diff options
Diffstat (limited to 'contrib/libpcap/configure')
| -rwxr-xr-x | contrib/libpcap/configure | 15281 |
1 files changed, 15281 insertions, 0 deletions
diff --git a/contrib/libpcap/configure b/contrib/libpcap/configure new file mode 100755 index 000000000000..61fcd037a07a --- /dev/null +++ b/contrib/libpcap/configure @@ -0,0 +1,15281 @@ +#! /bin/sh +# Guess values for system-dependent variables and create Makefiles. +# Generated by GNU Autoconf 2.71 for pcap 1.10.5. +# +# +# Copyright (C) 1992-1996, 1998-2017, 2020-2021 Free Software Foundation, +# Inc. +# +# +# This configure script is free software; the Free Software Foundation +# gives unlimited permission to copy, distribute and modify it. +## -------------------- ## +## M4sh Initialization. ## +## -------------------- ## + +# Be more Bourne compatible +DUALCASE=1; export DUALCASE # for MKS sh +as_nop=: +if test ${ZSH_VERSION+y} && (emulate sh) >/dev/null 2>&1 +then : + emulate sh + NULLCMD=: + # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which + # is contrary to our usage. Disable this feature. + alias -g '${1+"$@"}'='"$@"' + setopt NO_GLOB_SUBST +else $as_nop + case `(set -o) 2>/dev/null` in #( + *posix*) : + set -o posix ;; #( + *) : + ;; +esac +fi + + + +# Reset variables that may have inherited troublesome values from +# the environment. + +# IFS needs to be set, to space, tab, and newline, in precisely that order. +# (If _AS_PATH_WALK were called with IFS unset, it would have the +# side effect of setting IFS to empty, thus disabling word splitting.) +# Quoting is to prevent editors from complaining about space-tab. +as_nl=' +' +export as_nl +IFS=" "" $as_nl" + +PS1='$ ' +PS2='> ' +PS4='+ ' + +# Ensure predictable behavior from utilities with locale-dependent output. +LC_ALL=C +export LC_ALL +LANGUAGE=C +export LANGUAGE + +# We cannot yet rely on "unset" to work, but we need these variables +# to be unset--not just set to an empty or harmless value--now, to +# avoid bugs in old shells (e.g. pre-3.0 UWIN ksh). This construct +# also avoids known problems related to "unset" and subshell syntax +# in other old shells (e.g. bash 2.01 and pdksh 5.2.14). +for as_var in BASH_ENV ENV MAIL MAILPATH CDPATH +do eval test \${$as_var+y} \ + && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || : +done + +# Ensure that fds 0, 1, and 2 are open. +if (exec 3>&0) 2>/dev/null; then :; else exec 0</dev/null; fi +if (exec 3>&1) 2>/dev/null; then :; else exec 1>/dev/null; fi +if (exec 3>&2) ; then :; else exec 2>/dev/null; fi + +# The user is always right. +if ${PATH_SEPARATOR+false} :; then + PATH_SEPARATOR=: + (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && { + (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 || + PATH_SEPARATOR=';' + } +fi + + +# Find who we are. Look in the path if we contain no directory separator. +as_myself= +case $0 in #(( + *[\\/]* ) as_myself=$0 ;; + *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + case $as_dir in #((( + '') as_dir=./ ;; + */) ;; + *) as_dir=$as_dir/ ;; + esac + test -r "$as_dir$0" && as_myself=$as_dir$0 && break + done +IFS=$as_save_IFS + + ;; +esac +# We did not find ourselves, most probably we were run as `sh COMMAND' +# in which case we are not to be found in the path. +if test "x$as_myself" = x; then + as_myself=$0 +fi +if test ! -f "$as_myself"; then + printf "%s\n" "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2 + exit 1 +fi + + +# Use a proper internal environment variable to ensure we don't fall + # into an infinite loop, continuously re-executing ourselves. + if test x"${_as_can_reexec}" != xno && test "x$CONFIG_SHELL" != x; then + _as_can_reexec=no; export _as_can_reexec; + # We cannot yet assume a decent shell, so we have to provide a +# neutralization value for shells without unset; and this also +# works around shells that cannot unset nonexistent variables. +# Preserve -v and -x to the replacement shell. +BASH_ENV=/dev/null +ENV=/dev/null +(unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV +case $- in # (((( + *v*x* | *x*v* ) as_opts=-vx ;; + *v* ) as_opts=-v ;; + *x* ) as_opts=-x ;; + * ) as_opts= ;; +esac +exec $CONFIG_SHELL $as_opts "$as_myself" ${1+"$@"} +# Admittedly, this is quite paranoid, since all the known shells bail +# out after a failed `exec'. +printf "%s\n" "$0: could not re-execute with $CONFIG_SHELL" >&2 +exit 255 + fi + # We don't want this to propagate to other subprocesses. + { _as_can_reexec=; unset _as_can_reexec;} +if test "x$CONFIG_SHELL" = x; then + as_bourne_compatible="as_nop=: +if test \${ZSH_VERSION+y} && (emulate sh) >/dev/null 2>&1 +then : + emulate sh + NULLCMD=: + # Pre-4.2 versions of Zsh do word splitting on \${1+\"\$@\"}, which + # is contrary to our usage. Disable this feature. + alias -g '\${1+\"\$@\"}'='\"\$@\"' + setopt NO_GLOB_SUBST +else \$as_nop + case \`(set -o) 2>/dev/null\` in #( + *posix*) : + set -o posix ;; #( + *) : + ;; +esac +fi +" + as_required="as_fn_return () { (exit \$1); } +as_fn_success () { as_fn_return 0; } +as_fn_failure () { as_fn_return 1; } +as_fn_ret_success () { return 0; } +as_fn_ret_failure () { return 1; } + +exitcode=0 +as_fn_success || { exitcode=1; echo as_fn_success failed.; } +as_fn_failure && { exitcode=1; echo as_fn_failure succeeded.; } +as_fn_ret_success || { exitcode=1; echo as_fn_ret_success failed.; } +as_fn_ret_failure && { exitcode=1; echo as_fn_ret_failure succeeded.; } +if ( set x; as_fn_ret_success y && test x = \"\$1\" ) +then : + +else \$as_nop + exitcode=1; echo positional parameters were not saved. +fi +test x\$exitcode = x0 || exit 1 +blah=\$(echo \$(echo blah)) +test x\"\$blah\" = xblah || exit 1 +test -x / || exit 1" + as_suggested=" as_lineno_1=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_1a=\$LINENO + as_lineno_2=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_2a=\$LINENO + eval 'test \"x\$as_lineno_1'\$as_run'\" != \"x\$as_lineno_2'\$as_run'\" && + test \"x\`expr \$as_lineno_1'\$as_run' + 1\`\" = \"x\$as_lineno_2'\$as_run'\"' || exit 1 +test \$(( 1 + 1 )) = 2 || exit 1" + if (eval "$as_required") 2>/dev/null +then : + as_have_required=yes +else $as_nop + as_have_required=no +fi + if test x$as_have_required = xyes && (eval "$as_suggested") 2>/dev/null +then : + +else $as_nop + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +as_found=false +for as_dir in /bin$PATH_SEPARATOR/usr/bin$PATH_SEPARATOR$PATH +do + IFS=$as_save_IFS + case $as_dir in #((( + '') as_dir=./ ;; + */) ;; + *) as_dir=$as_dir/ ;; + esac + as_found=: + case $as_dir in #( + /*) + for as_base in sh bash ksh sh5; do + # Try only shells that exist, to save several forks. + as_shell=$as_dir$as_base + if { test -f "$as_shell" || test -f "$as_shell.exe"; } && + as_run=a "$as_shell" -c "$as_bourne_compatible""$as_required" 2>/dev/null +then : + CONFIG_SHELL=$as_shell as_have_required=yes + if as_run=a "$as_shell" -c "$as_bourne_compatible""$as_suggested" 2>/dev/null +then : + break 2 +fi +fi + done;; + esac + as_found=false +done +IFS=$as_save_IFS +if $as_found +then : + +else $as_nop + if { test -f "$SHELL" || test -f "$SHELL.exe"; } && + as_run=a "$SHELL" -c "$as_bourne_compatible""$as_required" 2>/dev/null +then : + CONFIG_SHELL=$SHELL as_have_required=yes +fi +fi + + + if test "x$CONFIG_SHELL" != x +then : + export CONFIG_SHELL + # We cannot yet assume a decent shell, so we have to provide a +# neutralization value for shells without unset; and this also +# works around shells that cannot unset nonexistent variables. +# Preserve -v and -x to the replacement shell. +BASH_ENV=/dev/null +ENV=/dev/null +(unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV +case $- in # (((( + *v*x* | *x*v* ) as_opts=-vx ;; + *v* ) as_opts=-v ;; + *x* ) as_opts=-x ;; + * ) as_opts= ;; +esac +exec $CONFIG_SHELL $as_opts "$as_myself" ${1+"$@"} +# Admittedly, this is quite paranoid, since all the known shells bail +# out after a failed `exec'. +printf "%s\n" "$0: could not re-execute with $CONFIG_SHELL" >&2 +exit 255 +fi + + if test x$as_have_required = xno +then : + printf "%s\n" "$0: This script requires a shell more modern than all" + printf "%s\n" "$0: the shells that I found on your system." + if test ${ZSH_VERSION+y} ; then + printf "%s\n" "$0: In particular, zsh $ZSH_VERSION has bugs and should" + printf "%s\n" "$0: be upgraded to zsh 4.3.4 or later." + else + printf "%s\n" "$0: Please tell bug-autoconf@gnu.org about your system, +$0: including any error possibly output before this +$0: message. Then install a modern shell, or manually run +$0: the script under such a shell if you do have one." + fi + exit 1 +fi +fi +fi +SHELL=${CONFIG_SHELL-/bin/sh} +export SHELL +# Unset more variables known to interfere with behavior of common tools. +CLICOLOR_FORCE= GREP_OPTIONS= +unset CLICOLOR_FORCE GREP_OPTIONS + +## --------------------- ## +## M4sh Shell Functions. ## +## --------------------- ## +# as_fn_unset VAR +# --------------- +# Portably unset VAR. +as_fn_unset () +{ + { eval $1=; unset $1;} +} +as_unset=as_fn_unset + + +# as_fn_set_status STATUS +# ----------------------- +# Set $? to STATUS, without forking. +as_fn_set_status () +{ + return $1 +} # as_fn_set_status + +# as_fn_exit STATUS +# ----------------- +# Exit the shell with STATUS, even in a "trap 0" or "set -e" context. +as_fn_exit () +{ + set +e + as_fn_set_status $1 + exit $1 +} # as_fn_exit +# as_fn_nop +# --------- +# Do nothing but, unlike ":", preserve the value of $?. +as_fn_nop () +{ + return $? +} +as_nop=as_fn_nop + +# as_fn_mkdir_p +# ------------- +# Create "$as_dir" as a directory, including parents if necessary. +as_fn_mkdir_p () +{ + + case $as_dir in #( + -*) as_dir=./$as_dir;; + esac + test -d "$as_dir" || eval $as_mkdir_p || { + as_dirs= + while :; do + case $as_dir in #( + *\'*) as_qdir=`printf "%s\n" "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'( + *) as_qdir=$as_dir;; + esac + as_dirs="'$as_qdir' $as_dirs" + as_dir=`$as_dirname -- "$as_dir" || +$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ + X"$as_dir" : 'X\(//\)[^/]' \| \ + X"$as_dir" : 'X\(//\)$' \| \ + X"$as_dir" : 'X\(/\)' \| . 2>/dev/null || +printf "%s\n" X"$as_dir" | + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ + s//\1/ + q + } + /^X\(\/\/\)[^/].*/{ + s//\1/ + q + } + /^X\(\/\/\)$/{ + s//\1/ + q + } + /^X\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q'` + test -d "$as_dir" && break + done + test -z "$as_dirs" || eval "mkdir $as_dirs" + } || test -d "$as_dir" || as_fn_error $? "cannot create directory $as_dir" + + +} # as_fn_mkdir_p + +# as_fn_executable_p FILE +# ----------------------- +# Test if FILE is an executable regular file. +as_fn_executable_p () +{ + test -f "$1" && test -x "$1" +} # as_fn_executable_p +# as_fn_append VAR VALUE +# ---------------------- +# Append the text in VALUE to the end of the definition contained in VAR. Take +# advantage of any shell optimizations that allow amortized linear growth over +# repeated appends, instead of the typical quadratic growth present in naive +# implementations. +if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null +then : + eval 'as_fn_append () + { + eval $1+=\$2 + }' +else $as_nop + as_fn_append () + { + eval $1=\$$1\$2 + } +fi # as_fn_append + +# as_fn_arith ARG... +# ------------------ +# Perform arithmetic evaluation on the ARGs, and store the result in the +# global $as_val. Take advantage of shells that can avoid forks. The arguments +# must be portable across $(()) and expr. +if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null +then : + eval 'as_fn_arith () + { + as_val=$(( $* )) + }' +else $as_nop + as_fn_arith () + { + as_val=`expr "$@" || test $? -eq 1` + } +fi # as_fn_arith + +# as_fn_nop +# --------- +# Do nothing but, unlike ":", preserve the value of $?. +as_fn_nop () +{ + return $? +} +as_nop=as_fn_nop + +# as_fn_error STATUS ERROR [LINENO LOG_FD] +# ---------------------------------------- +# Output "`basename $0`: error: ERROR" to stderr. If LINENO and LOG_FD are +# provided, also output the error to LOG_FD, referencing LINENO. Then exit the +# script with STATUS, using 1 if that was 0. +as_fn_error () +{ + as_status=$1; test $as_status -eq 0 && as_status=1 + if test "$4"; then + as_lineno=${as_lineno-"$3"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: $2" >&$4 + fi + printf "%s\n" "$as_me: error: $2" >&2 + as_fn_exit $as_status +} # as_fn_error + +if expr a : '\(a\)' >/dev/null 2>&1 && + test "X`expr 00001 : '.*\(...\)'`" = X001; then + as_expr=expr +else + as_expr=false +fi + +if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then + as_basename=basename +else + as_basename=false +fi + +if (as_dir=`dirname -- /` && test "X$as_dir" = X/) >/dev/null 2>&1; then + as_dirname=dirname +else + as_dirname=false +fi + +as_me=`$as_basename -- "$0" || +$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \ + X"$0" : 'X\(//\)$' \| \ + X"$0" : 'X\(/\)' \| . 2>/dev/null || +printf "%s\n" X/"$0" | + sed '/^.*\/\([^/][^/]*\)\/*$/{ + s//\1/ + q + } + /^X\/\(\/\/\)$/{ + s//\1/ + q + } + /^X\/\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q'` + +# Avoid depending upon Character Ranges. +as_cr_letters='abcdefghijklmnopqrstuvwxyz' +as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ' +as_cr_Letters=$as_cr_letters$as_cr_LETTERS +as_cr_digits='0123456789' +as_cr_alnum=$as_cr_Letters$as_cr_digits + + + as_lineno_1=$LINENO as_lineno_1a=$LINENO + as_lineno_2=$LINENO as_lineno_2a=$LINENO + eval 'test "x$as_lineno_1'$as_run'" != "x$as_lineno_2'$as_run'" && + test "x`expr $as_lineno_1'$as_run' + 1`" = "x$as_lineno_2'$as_run'"' || { + # Blame Lee E. McMahon (1931-1989) for sed's syntax. :-) + sed -n ' + p + /[$]LINENO/= + ' <$as_myself | + sed ' + s/[$]LINENO.*/&-/ + t lineno + b + :lineno + N + :loop + s/[$]LINENO\([^'$as_cr_alnum'_].*\n\)\(.*\)/\2\1\2/ + t loop + s/-\n.*// + ' >$as_me.lineno && + chmod +x "$as_me.lineno" || + { printf "%s\n" "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2; as_fn_exit 1; } + + # If we had to re-execute with $CONFIG_SHELL, we're ensured to have + # already done that, so ensure we don't try to do so again and fall + # in an infinite loop. This has already happened in practice. + _as_can_reexec=no; export _as_can_reexec + # Don't try to exec as it changes $[0], causing all sort of problems + # (the dirname of $[0] is not the place where we might find the + # original and so on. Autoconf is especially sensitive to this). + . "./$as_me.lineno" + # Exit status is that of the last command. + exit +} + + +# Determine whether it's possible to make 'echo' print without a newline. +# These variables are no longer used directly by Autoconf, but are AC_SUBSTed +# for compatibility with existing Makefiles. +ECHO_C= ECHO_N= ECHO_T= +case `echo -n x` in #((((( +-n*) + case `echo 'xy\c'` in + *c*) ECHO_T=' ';; # ECHO_T is single tab character. + xy) ECHO_C='\c';; + *) echo `echo ksh88 bug on AIX 6.1` > /dev/null + ECHO_T=' ';; + esac;; +*) + ECHO_N='-n';; +esac + +# For backward compatibility with old third-party macros, we provide +# the shell variables $as_echo and $as_echo_n. New code should use +# AS_ECHO(["message"]) and AS_ECHO_N(["message"]), respectively. +as_echo='printf %s\n' +as_echo_n='printf %s' + + +rm -f conf$$ conf$$.exe conf$$.file +if test -d conf$$.dir; then + rm -f conf$$.dir/conf$$.file +else + rm -f conf$$.dir + mkdir conf$$.dir 2>/dev/null +fi +if (echo >conf$$.file) 2>/dev/null; then + if ln -s conf$$.file conf$$ 2>/dev/null; then + as_ln_s='ln -s' + # ... but there are two gotchas: + # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail. + # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable. + # In both cases, we have to default to `cp -pR'. + ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe || + as_ln_s='cp -pR' + elif ln conf$$.file conf$$ 2>/dev/null; then + as_ln_s=ln + else + as_ln_s='cp -pR' + fi +else + as_ln_s='cp -pR' +fi +rm -f conf$$ conf$$.exe conf$$.dir/conf$$.file conf$$.file +rmdir conf$$.dir 2>/dev/null + +if mkdir -p . 2>/dev/null; then + as_mkdir_p='mkdir -p "$as_dir"' +else + test -d ./-p && rmdir ./-p + as_mkdir_p=false +fi + +as_test_x='test -x' +as_executable_p=as_fn_executable_p + +# Sed expression to map a string onto a valid CPP name. +as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'" + +# Sed expression to map a string onto a valid variable name. +as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'" + + +test -n "$DJDIR" || exec 7<&0 </dev/null +exec 6>&1 + +# Name of the host. +# hostname on some systems (SVR3.2, old GNU/Linux) returns a bogus exit status, +# so uname gets run too. +ac_hostname=`(hostname || uname -n) 2>/dev/null | sed 1q` + +# +# Initializations. +# +ac_default_prefix=/usr/local +ac_clean_files= +ac_config_libobj_dir=. +LIBOBJS= +cross_compiling=no +subdirs= +MFLAGS= +MAKEFLAGS= + +# Identity of this package. +PACKAGE_NAME='pcap' +PACKAGE_TARNAME='pcap' +PACKAGE_VERSION='1.10.5' +PACKAGE_STRING='pcap 1.10.5' +PACKAGE_BUGREPORT='' +PACKAGE_URL='' + +ac_unique_file="pcap.c" +# Factoring default headers for most tests. +ac_includes_default="\ +#include <stddef.h> +#ifdef HAVE_STDIO_H +# include <stdio.h> +#endif +#ifdef HAVE_STDLIB_H +# include <stdlib.h> +#endif +#ifdef HAVE_STRING_H +# include <string.h> +#endif +#ifdef HAVE_INTTYPES_H +# include <inttypes.h> +#endif +#ifdef HAVE_STDINT_H +# include <stdint.h> +#endif +#ifdef HAVE_STRINGS_H +# include <strings.h> +#endif +#ifdef HAVE_SYS_TYPES_H +# include <sys/types.h> +#endif +#ifdef HAVE_SYS_STAT_H +# include <sys/stat.h> +#endif +#ifdef HAVE_UNISTD_H +# include <unistd.h> +#endif" + +ac_header_c_list= +ac_subst_vars='LTLIBOBJS +RPCAPD_LIBS +INSTALL_RPCAPD +BUILD_RPCAPD +PTHREAD_LIBS +REMOTE_C_SRC +MODULE_C_SRC +PLATFORM_C_SRC +ADDLARCHIVEOBJS +ADDLOBJS +RPATH +V_SONAME_OPT +V_SHLIB_OPT +V_SHLIB_CMD +V_SHLIB_CCOPT +INSTALL_DATA +INSTALL_SCRIPT +INSTALL_PROGRAM +PCAP_SUPPORT_RDMASNIFF +LIBIBVERBS_LIBS_STATIC +LIBIBVERBS_LIBS +LIBIBVERBS_CFLAGS +PCAP_SUPPORT_DBUS +DBUS_LIBS_STATIC +DBUS_LIBS +DBUS_CFLAGS +PCAP_SUPPORT_BT +PCAP_SUPPORT_DPDK +DPDK_LIBS_STATIC +DPDK_LIBS +DPDK_CFLAGS +PCAP_SUPPORT_NETMAP +PCAP_SUPPORT_NETFILTER +PCAP_SUPPORT_LINUX_USBMON +MKDEP +DEPENDENCY_CFLAG +LN_S +AR +RANLIB +MAN_ADMIN_COMMANDS +MAN_MISC_INFO +MAN_FILE_FORMATS +MAN_DEVICES +DYEXT +V_PROG_LDFLAGS_FAT +V_PROG_CCOPT_FAT +V_LIB_LDFLAGS_FAT +V_LIB_CCOPT_FAT +REENTRANT_PARSER +BISON_BYACC +LEXLIB +LEX_OUTPUT_ROOT +LEX +OPENSSL_LIBS_STATIC +OPENSSL_LIBS +OPENSSL_CFLAGS +LIBNL_LIBS_STATIC +LIBNL_LIBS +LIBNL_CFLAGS +BREW +PKG_CONFIG_LIBDIR +PKG_CONFIG_PATH +PKG_CONFIG +VALGRINDTEST_SRC +LIBOBJS +OBJEXT +EXEEXT +ac_ct_CC +CPPFLAGS +LDFLAGS +CFLAGS +CC +SHLICC2 +target_os +target_vendor +target_cpu +target +host_os +host_vendor +host_cpu +host +build_os +build_vendor +build_cpu +build +LIBS_PRIVATE +REQUIRES_PRIVATE +LIBS_STATIC +V_INCLS +V_DEFS +V_CCOPT +target_alias +host_alias +build_alias +LIBS +ECHO_T +ECHO_N +ECHO_C +DEFS +mandir +localedir +libdir +psdir +pdfdir +dvidir +htmldir +infodir +docdir +oldincludedir 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+DPDK_CFLAGS +DPDK_LIBS +DPDK_LIBS_STATIC +DBUS_CFLAGS +DBUS_LIBS +DBUS_LIBS_STATIC +LIBIBVERBS_CFLAGS +LIBIBVERBS_LIBS +LIBIBVERBS_LIBS_STATIC' + + +# Initialize some variables set by options. +ac_init_help= +ac_init_version=false +ac_unrecognized_opts= +ac_unrecognized_sep= +# The variables have the same names as the options, with +# dashes changed to underlines. +cache_file=/dev/null +exec_prefix=NONE +no_create= +no_recursion= +prefix=NONE +program_prefix=NONE +program_suffix=NONE +program_transform_name=s,x,x, +silent= +site= +srcdir= +verbose= +x_includes=NONE +x_libraries=NONE + +# Installation directory options. +# These are left unexpanded so users can "make install exec_prefix=/foo" +# and all the variables that are supposed to be based on exec_prefix +# by default will actually change. +# Use braces instead of parens because sh, perl, etc. also accept them. +# (The list follows the same order as the GNU Coding Standards.) +bindir='${exec_prefix}/bin' 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[VAR=VALUE]... + +To assign environment variables (e.g., CC, CFLAGS...), specify them as +VAR=VALUE. See below for descriptions of some of the useful variables. + +Defaults for the options are specified in brackets. + +Configuration: + -h, --help display this help and exit + --help=short display options specific to this package + --help=recursive display the short help of all the included packages + -V, --version display version information and exit + -q, --quiet, --silent do not print \`checking ...' messages + --cache-file=FILE cache test results in FILE [disabled] + -C, --config-cache alias for \`--cache-file=config.cache' + -n, --no-create do not create output files + --srcdir=DIR find the sources in DIR [configure dir or \`..'] + +Installation directories: + --prefix=PREFIX install architecture-independent files in PREFIX + [$ac_default_prefix] + --exec-prefix=EPREFIX install architecture-dependent files in EPREFIX + [PREFIX] + +By default, \`make install' will install all the files in +\`$ac_default_prefix/bin', \`$ac_default_prefix/lib' etc. You can specify +an installation prefix other than \`$ac_default_prefix' using \`--prefix', +for instance \`--prefix=\$HOME'. + +For better control, use the options below. + +Fine tuning of the installation directories: + --bindir=DIR user executables [EPREFIX/bin] + --sbindir=DIR system admin executables [EPREFIX/sbin] + --libexecdir=DIR program executables [EPREFIX/libexec] + --sysconfdir=DIR read-only single-machine data [PREFIX/etc] + --sharedstatedir=DIR modifiable architecture-independent data [PREFIX/com] + --localstatedir=DIR modifiable single-machine data [PREFIX/var] + --runstatedir=DIR modifiable per-process data [LOCALSTATEDIR/run] + --libdir=DIR object code libraries [EPREFIX/lib] + --includedir=DIR C header files [PREFIX/include] + --oldincludedir=DIR C header files for non-gcc [/usr/include] + --datarootdir=DIR read-only arch.-independent data root [PREFIX/share] + --datadir=DIR read-only architecture-independent data [DATAROOTDIR] + --infodir=DIR info documentation [DATAROOTDIR/info] + --localedir=DIR locale-dependent data [DATAROOTDIR/locale] + --mandir=DIR man documentation [DATAROOTDIR/man] + --docdir=DIR documentation root [DATAROOTDIR/doc/pcap] + --htmldir=DIR html documentation [DOCDIR] + --dvidir=DIR dvi documentation [DOCDIR] + --pdfdir=DIR pdf documentation [DOCDIR] + --psdir=DIR ps documentation [DOCDIR] +_ACEOF + + cat <<\_ACEOF + +System types: + --build=BUILD configure for building on BUILD [guessed] + --host=HOST cross-compile to build programs to run on HOST [BUILD] + --target=TARGET configure for building compilers for TARGET [HOST] +_ACEOF +fi + +if test -n "$ac_init_help"; then + case $ac_init_help in + short | recursive ) echo "Configuration of pcap 1.10.5:";; + esac + cat <<\_ACEOF + +Optional Features: + --disable-option-checking ignore unrecognized --enable/--with options + --disable-FEATURE do not include FEATURE (same as --enable-FEATURE=no) + --enable-FEATURE[=ARG] include FEATURE [ARG=yes] + --disable-largefile omit support for large files + --enable-instrument-functions + enable instrument functions code [default=no] + --disable-protochain disable \"protochain\" insn + --enable-ipv6 build IPv6-capable version [default=yes] + --enable-remote enable remote packet capture [default=no] + --enable-optimizer-dbg build optimizer debugging code + --enable-yydebug build parser debugging code + --disable-universal don't build universal on macOS + --enable-shared build shared libraries [default=yes, if support + available] + --enable-usb enable Linux usbmon USB capture support + [default=yes, if support available] + --enable-netmap enable netmap support [default=yes, if support + available] + --enable-bluetooth enable Bluetooth support [default=yes, if support + available] + --enable-dbus enable D-Bus capture support [default=yes, if + support available] + --enable-rdma enable RDMA capture support [default=yes, if support + available] + +Optional Packages: + --with-PACKAGE[=ARG] use PACKAGE [ARG=yes] + --without-PACKAGE do not use PACKAGE (same as --with-PACKAGE=no) + --without-gcc don't use gcc + --with-pcap=TYPE use packet capture TYPE + --without-libnl disable libnl support [default=yes, on Linux, if + present] + --with-dag[=DIR] include Endace DAG support (located in directory + DIR, if supplied). [default=yes, if present] + --with-dag-includes=IDIR + Endace DAG include directory, if not DIR/include + --with-dag-libraries=LDIR + Endace DAG library directory, if not DIR/lib + --with-septel[=DIR] include Septel support (located in directory DIR, if + supplied). [default=yes, if present] + --with-snf[=DIR] include Myricom SNF support (located in directory + DIR, if supplied). [default=yes, if present] + --with-snf-includes=IDIR + Myricom SNF include directory, if not DIR/include + --with-snf-libraries=LDIR + Myricom SNF library directory, if not DIR/lib + --with-turbocap[=DIR] include Riverbed TurboCap support (located in + directory DIR, if supplied). [default=yes, if + present] + --with-dpdk[=DIR] include DPDK support (located in directory DIR, if + supplied). [default=yes, if present] + +Some influential environment variables: + CC C compiler command + CFLAGS C compiler flags + LDFLAGS linker flags, e.g. -L<lib dir> if you have libraries in a + nonstandard directory <lib dir> + LIBS libraries to pass to the linker, e.g. -l<library> + CPPFLAGS (Objective) C/C++ preprocessor flags, e.g. -I<include dir> if + you have headers in a nonstandard directory <include dir> + PKG_CONFIG path to pkg-config utility + PKG_CONFIG_PATH + directories to add to pkg-config's search path + PKG_CONFIG_LIBDIR + path overriding pkg-config's built-in search path + LIBNL_CFLAGS + C compiler flags for libnl-genl-3.0, overriding pkg-config + LIBNL_LIBS linker flags for libnl-genl-3.0, overriding pkg-config + LIBNL_LIBS_STATIC + static-link linker flags for libnl-genl-3.0, overriding + pkg-config + OPENSSL_CFLAGS + C compiler flags for openssl, overriding pkg-config + OPENSSL_LIBS + linker flags for openssl, overriding pkg-config + OPENSSL_LIBS_STATIC + static-link linker flags for openssl, overriding pkg-config + DPDK_CFLAGS C compiler flags for libdpdk, overriding pkg-config + DPDK_LIBS linker flags for libdpdk, overriding pkg-config + DPDK_LIBS_STATIC + static-link linker flags for libdpdk, overriding pkg-config + DBUS_CFLAGS C compiler flags for dbus-1, overriding pkg-config + DBUS_LIBS linker flags for dbus-1, overriding pkg-config + DBUS_LIBS_STATIC + static-link linker flags for dbus-1, overriding pkg-config + LIBIBVERBS_CFLAGS + C compiler flags for libibverbs, overriding pkg-config + LIBIBVERBS_LIBS + linker flags for libibverbs, overriding pkg-config + LIBIBVERBS_LIBS_STATIC + static-link linker flags for libibverbs, overriding pkg-config + +Use these variables to override the choices made by `configure' or to help +it to find libraries and programs with nonstandard names/locations. + +Report bugs to the package provider. +_ACEOF +ac_status=$? +fi + +if test "$ac_init_help" = "recursive"; then + # If there are subdirs, report their specific --help. + for ac_dir in : $ac_subdirs_all; do test "x$ac_dir" = x: && continue + test -d "$ac_dir" || + { cd "$srcdir" && ac_pwd=`pwd` && srcdir=. && test -d "$ac_dir"; } || + continue + ac_builddir=. + +case "$ac_dir" in +.) ac_dir_suffix= ac_top_builddir_sub=. ac_top_build_prefix= ;; +*) + ac_dir_suffix=/`printf "%s\n" "$ac_dir" | sed 's|^\.[\\/]||'` + # A ".." for each directory in $ac_dir_suffix. + ac_top_builddir_sub=`printf "%s\n" "$ac_dir_suffix" | sed 's|/[^\\/]*|/..|g;s|/||'` + case $ac_top_builddir_sub in + "") ac_top_builddir_sub=. ac_top_build_prefix= ;; + *) ac_top_build_prefix=$ac_top_builddir_sub/ ;; + esac ;; +esac +ac_abs_top_builddir=$ac_pwd +ac_abs_builddir=$ac_pwd$ac_dir_suffix +# for backward compatibility: +ac_top_builddir=$ac_top_build_prefix + +case $srcdir in + .) # We are building in place. + ac_srcdir=. + ac_top_srcdir=$ac_top_builddir_sub + ac_abs_top_srcdir=$ac_pwd ;; + [\\/]* | ?:[\\/]* ) # Absolute name. + ac_srcdir=$srcdir$ac_dir_suffix; + ac_top_srcdir=$srcdir + ac_abs_top_srcdir=$srcdir ;; + *) # Relative name. + ac_srcdir=$ac_top_build_prefix$srcdir$ac_dir_suffix + ac_top_srcdir=$ac_top_build_prefix$srcdir + ac_abs_top_srcdir=$ac_pwd/$srcdir ;; +esac +ac_abs_srcdir=$ac_abs_top_srcdir$ac_dir_suffix + + cd "$ac_dir" || { ac_status=$?; continue; } + # Check for configure.gnu first; this name is used for a wrapper for + # Metaconfig's "Configure" on case-insensitive file systems. + if test -f "$ac_srcdir/configure.gnu"; then + echo && + $SHELL "$ac_srcdir/configure.gnu" --help=recursive + elif test -f "$ac_srcdir/configure"; then + echo && + $SHELL "$ac_srcdir/configure" --help=recursive + else + printf "%s\n" "$as_me: WARNING: no configuration information is in $ac_dir" >&2 + fi || ac_status=$? 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Returns whether the value could be +# computed +ac_fn_c_compute_int () +{ + as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + if test "$cross_compiling" = yes; then + # Depending upon the size, compute the lo and hi bounds. +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +$4 +int +main (void) +{ +static int test_array [1 - 2 * !(($2) >= 0)]; +test_array [0] = 0; +return test_array [0]; + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + ac_lo=0 ac_mid=0 + while :; do + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +$4 +int +main (void) +{ +static int test_array [1 - 2 * !(($2) <= $ac_mid)]; +test_array [0] = 0; +return test_array [0]; + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + ac_hi=$ac_mid; break +else $as_nop + as_fn_arith $ac_mid + 1 && ac_lo=$as_val + if test $ac_lo -le $ac_mid; then + ac_lo= ac_hi= + break + fi + as_fn_arith 2 '*' $ac_mid + 1 && ac_mid=$as_val +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + done +else $as_nop + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +$4 +int +main (void) +{ +static int test_array [1 - 2 * !(($2) < 0)]; +test_array [0] = 0; +return test_array [0]; + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + ac_hi=-1 ac_mid=-1 + while :; do + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +$4 +int +main (void) +{ +static int test_array [1 - 2 * !(($2) >= $ac_mid)]; +test_array [0] = 0; +return test_array [0]; + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + ac_lo=$ac_mid; break +else $as_nop + as_fn_arith '(' $ac_mid ')' - 1 && ac_hi=$as_val + if test $ac_mid -le $ac_hi; then + ac_lo= ac_hi= + break + fi + as_fn_arith 2 '*' $ac_mid && ac_mid=$as_val +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + done +else $as_nop + ac_lo= ac_hi= +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext +# Binary search between lo and hi bounds. +while test "x$ac_lo" != "x$ac_hi"; do + as_fn_arith '(' $ac_hi - $ac_lo ')' / 2 + $ac_lo && ac_mid=$as_val + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +$4 +int +main (void) +{ +static int test_array [1 - 2 * !(($2) <= $ac_mid)]; +test_array [0] = 0; +return test_array [0]; + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + ac_hi=$ac_mid +else $as_nop + as_fn_arith '(' $ac_mid ')' + 1 && ac_lo=$as_val +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext +done +case $ac_lo in #(( +?*) eval "$3=\$ac_lo"; ac_retval=0 ;; +'') ac_retval=1 ;; +esac + else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +$4 +static long int longval (void) { return $2; } +static unsigned long int ulongval (void) { return $2; } +#include <stdio.h> +#include <stdlib.h> +int +main (void) +{ + + FILE *f = fopen ("conftest.val", "w"); + if (! f) + return 1; + if (($2) < 0) + { + long int i = longval (); + if (i != ($2)) + return 1; + fprintf (f, "%ld", i); + } + else + { + unsigned long int i = ulongval (); + if (i != ($2)) + return 1; + fprintf (f, "%lu", i); + } + /* Do not output a trailing newline, as this causes \r\n confusion + on some platforms. */ + return ferror (f) || fclose (f) != 0; + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_run "$LINENO" +then : + echo >>conftest.val; read $3 <conftest.val; ac_retval=0 +else $as_nop + ac_retval=1 +fi +rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ + conftest.$ac_objext conftest.beam conftest.$ac_ext +rm -f conftest.val + + fi + eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno + as_fn_set_status $ac_retval + +} # ac_fn_c_compute_int + +# ac_fn_c_check_header_compile LINENO HEADER VAR INCLUDES +# ------------------------------------------------------- +# Tests whether HEADER exists and can be compiled using the include files in +# INCLUDES, setting the cache variable VAR accordingly. +ac_fn_c_check_header_compile () +{ + as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $2" >&5 +printf %s "checking for $2... " >&6; } +if eval test \${$3+y} +then : + printf %s "(cached) " >&6 +else $as_nop + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +$4 +#include <$2> +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + eval "$3=yes" +else $as_nop + eval "$3=no" +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext +fi +eval ac_res=\$$3 + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5 +printf "%s\n" "$ac_res" >&6; } + eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno + +} # ac_fn_c_check_header_compile + +# ac_fn_c_check_func LINENO FUNC VAR +# ---------------------------------- +# Tests whether FUNC exists, setting the cache variable VAR accordingly +ac_fn_c_check_func () +{ + as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $2" >&5 +printf %s "checking for $2... " >&6; } +if eval test \${$3+y} +then : + printf %s "(cached) " >&6 +else $as_nop + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +/* Define $2 to an innocuous variant, in case <limits.h> declares $2. + For example, HP-UX 11i <limits.h> declares gettimeofday. */ +#define $2 innocuous_$2 + +/* System header to define __stub macros and hopefully few prototypes, + which can conflict with char $2 (); below. */ + +#include <limits.h> +#undef $2 + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char $2 (); +/* The GNU C library defines this for functions which it implements + to always fail with ENOSYS. Some functions are actually named + something starting with __ and the normal name is an alias. */ +#if defined __stub_$2 || defined __stub___$2 +choke me +#endif + +int +main (void) +{ +return $2 (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO" +then : + eval "$3=yes" +else $as_nop + eval "$3=no" +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam \ + conftest$ac_exeext conftest.$ac_ext +fi +eval ac_res=\$$3 + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5 +printf "%s\n" "$ac_res" >&6; } + eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno + +} # ac_fn_c_check_func + +# ac_fn_check_decl LINENO SYMBOL VAR INCLUDES EXTRA-OPTIONS FLAG-VAR +# ------------------------------------------------------------------ +# Tests whether SYMBOL is declared in INCLUDES, setting cache variable VAR +# accordingly. Pass EXTRA-OPTIONS to the compiler, using FLAG-VAR. +ac_fn_check_decl () +{ + as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + as_decl_name=`echo $2|sed 's/ *(.*//'` + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $as_decl_name is declared" >&5 +printf %s "checking whether $as_decl_name is declared... " >&6; } +if eval test \${$3+y} +then : + printf %s "(cached) " >&6 +else $as_nop + as_decl_use=`echo $2|sed -e 's/(/((/' -e 's/)/) 0&/' -e 's/,/) 0& (/g'` + eval ac_save_FLAGS=\$$6 + as_fn_append $6 " $5" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +$4 +int +main (void) +{ +#ifndef $as_decl_name +#ifdef __cplusplus + (void) $as_decl_use; +#else + (void) $as_decl_name; +#endif +#endif + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + eval "$3=yes" +else $as_nop + eval "$3=no" +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + eval $6=\$ac_save_FLAGS + +fi +eval ac_res=\$$3 + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5 +printf "%s\n" "$ac_res" >&6; } + eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno + +} # ac_fn_check_decl + +# ac_fn_c_check_type LINENO TYPE VAR INCLUDES +# ------------------------------------------- +# Tests whether TYPE exists after having included INCLUDES, setting cache +# variable VAR accordingly. +ac_fn_c_check_type () +{ + as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $2" >&5 +printf %s "checking for $2... " >&6; } +if eval test \${$3+y} +then : + printf %s "(cached) " >&6 +else $as_nop + eval "$3=no" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +$4 +int +main (void) +{ +if (sizeof ($2)) + return 0; + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +$4 +int +main (void) +{ +if (sizeof (($2))) + return 0; + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + +else $as_nop + eval "$3=yes" +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext +fi +eval ac_res=\$$3 + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5 +printf "%s\n" "$ac_res" >&6; } + eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno + +} # ac_fn_c_check_type + +# ac_fn_c_check_member LINENO AGGR MEMBER VAR INCLUDES +# ---------------------------------------------------- +# Tries to find if the field MEMBER exists in type AGGR, after including +# INCLUDES, setting cache variable VAR accordingly. +ac_fn_c_check_member () +{ + as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $2.$3" >&5 +printf %s "checking for $2.$3... " >&6; } +if eval test \${$4+y} +then : + printf %s "(cached) " >&6 +else $as_nop + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +$5 +int +main (void) +{ +static $2 ac_aggr; +if (ac_aggr.$3) +return 0; + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + eval "$4=yes" +else $as_nop + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +$5 +int +main (void) +{ +static $2 ac_aggr; +if (sizeof ac_aggr.$3) +return 0; + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + eval "$4=yes" +else $as_nop + eval "$4=no" +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext +fi +eval ac_res=\$$4 + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5 +printf "%s\n" "$ac_res" >&6; } + eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno + +} # ac_fn_c_check_member +ac_configure_args_raw= +for ac_arg +do + case $ac_arg in + *\'*) + ac_arg=`printf "%s\n" "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;; + esac + as_fn_append ac_configure_args_raw " '$ac_arg'" +done + +case $ac_configure_args_raw in + *$as_nl*) + ac_safe_unquote= ;; + *) + ac_unsafe_z='|&;<>()$`\\"*?[ '' ' # This string ends in space, tab. + ac_unsafe_a="$ac_unsafe_z#~" + ac_safe_unquote="s/ '\\([^$ac_unsafe_a][^$ac_unsafe_z]*\\)'/ \\1/g" + ac_configure_args_raw=` printf "%s\n" "$ac_configure_args_raw" | sed "$ac_safe_unquote"`;; +esac + +cat >config.log <<_ACEOF +This file contains any messages produced by compilers while +running configure, to aid debugging if configure makes a mistake. + +It was created by pcap $as_me 1.10.5, which was +generated by GNU Autoconf 2.71. Invocation command line was + + $ $0$ac_configure_args_raw + +_ACEOF +exec 5>>config.log +{ +cat <<_ASUNAME +## --------- ## +## Platform. ## +## --------- ## + +hostname = `(hostname || uname -n) 2>/dev/null | sed 1q` +uname -m = `(uname -m) 2>/dev/null || echo unknown` +uname -r = `(uname -r) 2>/dev/null || echo unknown` +uname -s = `(uname -s) 2>/dev/null || echo unknown` +uname -v = `(uname -v) 2>/dev/null || echo unknown` + +/usr/bin/uname -p = `(/usr/bin/uname -p) 2>/dev/null || echo unknown` +/bin/uname -X = `(/bin/uname -X) 2>/dev/null || echo unknown` + +/bin/arch = `(/bin/arch) 2>/dev/null || echo unknown` +/usr/bin/arch -k = `(/usr/bin/arch -k) 2>/dev/null || echo unknown` +/usr/convex/getsysinfo = `(/usr/convex/getsysinfo) 2>/dev/null || echo unknown` +/usr/bin/hostinfo = `(/usr/bin/hostinfo) 2>/dev/null || echo unknown` +/bin/machine = `(/bin/machine) 2>/dev/null || echo unknown` +/usr/bin/oslevel = `(/usr/bin/oslevel) 2>/dev/null || echo unknown` +/bin/universe = `(/bin/universe) 2>/dev/null || echo unknown` + +_ASUNAME + +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + case $as_dir in #((( + '') as_dir=./ ;; + */) ;; + *) as_dir=$as_dir/ ;; + esac + printf "%s\n" "PATH: $as_dir" + done +IFS=$as_save_IFS + +} >&5 + +cat >&5 <<_ACEOF + + +## ----------- ## +## Core tests. ## +## ----------- ## + +_ACEOF + + +# Keep a trace of the command line. +# Strip out --no-create and --no-recursion so they do not pile up. +# Strip out --silent because we don't want to record it for future runs. +# Also quote any args containing shell meta-characters. +# Make two passes to allow for proper duplicate-argument suppression. +ac_configure_args= +ac_configure_args0= +ac_configure_args1= +ac_must_keep_next=false +for ac_pass in 1 2 +do + for ac_arg + do + case $ac_arg in + -no-create | --no-c* | -n | -no-recursion | --no-r*) continue ;; + -q | -quiet | --quiet | --quie | --qui | --qu | --q \ + | -silent | --silent | --silen | --sile | --sil) + continue ;; + *\'*) + ac_arg=`printf "%s\n" "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;; + esac + case $ac_pass in + 1) as_fn_append ac_configure_args0 " '$ac_arg'" ;; + 2) + as_fn_append ac_configure_args1 " '$ac_arg'" + if test $ac_must_keep_next = true; then + ac_must_keep_next=false # Got value, back to normal. + else + case $ac_arg in + *=* | --config-cache | -C | -disable-* | --disable-* \ + | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \ + | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \ + | -with-* | --with-* | -without-* | --without-* | --x) + case "$ac_configure_args0 " in + "$ac_configure_args1"*" '$ac_arg' "* ) continue ;; + esac + ;; + -* ) ac_must_keep_next=true ;; + esac + fi + as_fn_append ac_configure_args " '$ac_arg'" + ;; + esac + done +done +{ ac_configure_args0=; unset ac_configure_args0;} +{ ac_configure_args1=; unset ac_configure_args1;} + +# When interrupted or exit'd, cleanup temporary files, and complete +# config.log. We remove comments because anyway the quotes in there +# would cause problems or look ugly. +# WARNING: Use '\'' to represent an apostrophe within the trap. +# WARNING: Do not start the trap code with a newline, due to a FreeBSD 4.0 bug. +trap 'exit_status=$? + # Sanitize IFS. + IFS=" "" $as_nl" + # Save into config.log some information that might help in debugging. + { + echo + + printf "%s\n" "## ---------------- ## +## Cache variables. ## +## ---------------- ##" + echo + # The following way of writing the cache mishandles newlines in values, +( + for ac_var in `(set) 2>&1 | sed -n '\''s/^\([a-zA-Z_][a-zA-Z0-9_]*\)=.*/\1/p'\''`; do + eval ac_val=\$$ac_var + case $ac_val in #( + *${as_nl}*) + case $ac_var in #( + *_cv_*) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5 +printf "%s\n" "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;; + esac + case $ac_var in #( + _ | IFS | as_nl) ;; #( + BASH_ARGV | BASH_SOURCE) eval $ac_var= ;; #( + *) { eval $ac_var=; unset $ac_var;} ;; + esac ;; + esac + done + (set) 2>&1 | + case $as_nl`(ac_space='\'' '\''; set) 2>&1` in #( + *${as_nl}ac_space=\ *) + sed -n \ + "s/'\''/'\''\\\\'\'''\''/g; + s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='\''\\2'\''/p" + ;; #( + *) + sed -n "/^[_$as_cr_alnum]*_cv_[_$as_cr_alnum]*=/p" + ;; + esac | + sort +) + echo + + printf "%s\n" "## ----------------- ## +## Output variables. ## +## ----------------- ##" + echo + for ac_var in $ac_subst_vars + do + eval ac_val=\$$ac_var + case $ac_val in + *\'\''*) ac_val=`printf "%s\n" "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;; + esac + printf "%s\n" "$ac_var='\''$ac_val'\''" + done | sort + echo + + if test -n "$ac_subst_files"; then + printf "%s\n" "## ------------------- ## +## File substitutions. ## +## ------------------- ##" + echo + for ac_var in $ac_subst_files + do + eval ac_val=\$$ac_var + case $ac_val in + *\'\''*) ac_val=`printf "%s\n" "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;; + esac + printf "%s\n" "$ac_var='\''$ac_val'\''" + done | sort + echo + fi + + if test -s confdefs.h; then + printf "%s\n" "## ----------- ## +## confdefs.h. ## +## ----------- ##" + echo + cat confdefs.h + echo + fi + test "$ac_signal" != 0 && + printf "%s\n" "$as_me: caught signal $ac_signal" + printf "%s\n" "$as_me: exit $exit_status" + } >&5 + rm -f core *.core core.conftest.* && + rm -f -r conftest* confdefs* conf$$* $ac_clean_files && + exit $exit_status +' 0 +for ac_signal in 1 2 13 15; do + trap 'ac_signal='$ac_signal'; as_fn_exit 1' $ac_signal +done +ac_signal=0 + +# confdefs.h avoids OS command line length limits that DEFS can exceed. +rm -f -r conftest* confdefs.h + +printf "%s\n" "/* confdefs.h */" > confdefs.h + +# Predefined preprocessor variables. + +printf "%s\n" "#define PACKAGE_NAME \"$PACKAGE_NAME\"" >>confdefs.h + +printf "%s\n" "#define PACKAGE_TARNAME \"$PACKAGE_TARNAME\"" >>confdefs.h + +printf "%s\n" "#define PACKAGE_VERSION \"$PACKAGE_VERSION\"" >>confdefs.h + +printf "%s\n" "#define PACKAGE_STRING \"$PACKAGE_STRING\"" >>confdefs.h + +printf "%s\n" "#define PACKAGE_BUGREPORT \"$PACKAGE_BUGREPORT\"" >>confdefs.h + +printf "%s\n" "#define PACKAGE_URL \"$PACKAGE_URL\"" >>confdefs.h + + +# Let the site file select an alternate cache file if it wants to. +# Prefer an explicitly selected file to automatically selected ones. +if test -n "$CONFIG_SITE"; then + ac_site_files="$CONFIG_SITE" +elif test "x$prefix" != xNONE; then + ac_site_files="$prefix/share/config.site $prefix/etc/config.site" +else + ac_site_files="$ac_default_prefix/share/config.site $ac_default_prefix/etc/config.site" +fi + +for ac_site_file in $ac_site_files +do + case $ac_site_file in #( + */*) : + ;; #( + *) : + ac_site_file=./$ac_site_file ;; +esac + if test -f "$ac_site_file" && test -r "$ac_site_file"; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: loading site script $ac_site_file" >&5 +printf "%s\n" "$as_me: loading site script $ac_site_file" >&6;} + sed 's/^/| /' "$ac_site_file" >&5 + . "$ac_site_file" \ + || { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "failed to load site script $ac_site_file +See \`config.log' for more details" "$LINENO" 5; } + fi +done + +if test -r "$cache_file"; then + # Some versions of bash will fail to source /dev/null (special files + # actually), so we avoid doing that. DJGPP emulates it as a regular file. + if test /dev/null != "$cache_file" && test -f "$cache_file"; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: loading cache $cache_file" >&5 +printf "%s\n" "$as_me: loading cache $cache_file" >&6;} + case $cache_file in + [\\/]* | ?:[\\/]* ) . "$cache_file";; + *) . "./$cache_file";; + esac + fi +else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: creating cache $cache_file" >&5 +printf "%s\n" "$as_me: creating cache $cache_file" >&6;} + >$cache_file +fi + +# Test code for whether the C compiler supports C89 (global declarations) +ac_c_conftest_c89_globals=' +/* Does the compiler advertise C89 conformance? + Do not test the value of __STDC__, because some compilers set it to 0 + while being otherwise adequately conformant. */ +#if !defined __STDC__ +# error "Compiler does not advertise C89 conformance" +#endif + +#include <stddef.h> +#include <stdarg.h> +struct stat; +/* Most of the following tests are stolen from RCS 5.7 src/conf.sh. */ +struct buf { int x; }; +struct buf * (*rcsopen) (struct buf *, struct stat *, int); +static char *e (p, i) + char **p; + int i; +{ + return p[i]; +} +static char *f (char * (*g) (char **, int), char **p, ...) +{ + char *s; + va_list v; + va_start (v,p); + s = g (p, va_arg (v,int)); + va_end (v); + return s; +} + +/* OSF 4.0 Compaq cc is some sort of almost-ANSI by default. It has + function prototypes and stuff, but not \xHH hex character constants. + These do not provoke an error unfortunately, instead are silently treated + as an "x". The following induces an error, until -std is added to get + proper ANSI mode. Curiously \x00 != x always comes out true, for an + array size at least. It is necessary to write \x00 == 0 to get something + that is true only with -std. */ +int osf4_cc_array ['\''\x00'\'' == 0 ? 1 : -1]; + +/* IBM C 6 for AIX is almost-ANSI by default, but it replaces macro parameters + inside strings and character constants. */ +#define FOO(x) '\''x'\'' +int xlc6_cc_array[FOO(a) == '\''x'\'' ? 1 : -1]; + +int test (int i, double x); +struct s1 {int (*f) (int a);}; +struct s2 {int (*f) (double a);}; +int pairnames (int, char **, int *(*)(struct buf *, struct stat *, int), + int, int);' + +# Test code for whether the C compiler supports C89 (body of main). +ac_c_conftest_c89_main=' +ok |= (argc == 0 || f (e, argv, 0) != argv[0] || f (e, argv, 1) != argv[1]); +' + +# Test code for whether the C compiler supports C99 (global declarations) +ac_c_conftest_c99_globals=' +// Does the compiler advertise C99 conformance? +#if !defined __STDC_VERSION__ || __STDC_VERSION__ < 199901L +# error "Compiler does not advertise C99 conformance" +#endif + +#include <stdbool.h> +extern int puts (const char *); +extern int printf (const char *, ...); +extern int dprintf (int, const char *, ...); +extern void *malloc (size_t); + +// Check varargs macros. These examples are taken from C99 6.10.3.5. +// dprintf is used instead of fprintf to avoid needing to declare +// FILE and stderr. +#define debug(...) dprintf (2, __VA_ARGS__) +#define showlist(...) puts (#__VA_ARGS__) +#define report(test,...) ((test) ? puts (#test) : printf (__VA_ARGS__)) +static void +test_varargs_macros (void) +{ + int x = 1234; + int y = 5678; + debug ("Flag"); + debug ("X = %d\n", x); + showlist (The first, second, and third items.); + report (x>y, "x is %d but y is %d", x, y); +} + +// Check long long types. +#define BIG64 18446744073709551615ull +#define BIG32 4294967295ul +#define BIG_OK (BIG64 / BIG32 == 4294967297ull && BIG64 % BIG32 == 0) +#if !BIG_OK + #error "your preprocessor is broken" +#endif +#if BIG_OK +#else + #error "your preprocessor is broken" +#endif +static long long int bignum = -9223372036854775807LL; +static unsigned long long int ubignum = BIG64; + +struct incomplete_array +{ + int datasize; + double data[]; +}; + +struct named_init { + int number; + const wchar_t *name; + double average; +}; + +typedef const char *ccp; + +static inline int +test_restrict (ccp restrict text) +{ + // See if C++-style comments work. + // Iterate through items via the restricted pointer. + // Also check for declarations in for loops. + for (unsigned int i = 0; *(text+i) != '\''\0'\''; ++i) + continue; + return 0; +} + +// Check varargs and va_copy. +static bool +test_varargs (const char *format, ...) +{ + va_list args; + va_start (args, format); + va_list args_copy; + va_copy (args_copy, args); + + const char *str = ""; + int number = 0; + float fnumber = 0; + + while (*format) + { + switch (*format++) + { + case '\''s'\'': // string + str = va_arg (args_copy, const char *); + break; + case '\''d'\'': // int + number = va_arg (args_copy, int); + break; + case '\''f'\'': // float + fnumber = va_arg (args_copy, double); + break; + default: + break; + } + } + va_end (args_copy); + va_end (args); + + return *str && number && fnumber; +} +' + +# Test code for whether the C compiler supports C99 (body of main). +ac_c_conftest_c99_main=' + // Check bool. + _Bool success = false; + success |= (argc != 0); + + // Check restrict. + if (test_restrict ("String literal") == 0) + success = true; + char *restrict newvar = "Another string"; + + // Check varargs. + success &= test_varargs ("s, d'\'' f .", "string", 65, 34.234); + test_varargs_macros (); + + // Check flexible array members. + struct incomplete_array *ia = + malloc (sizeof (struct incomplete_array) + (sizeof (double) * 10)); + ia->datasize = 10; + for (int i = 0; i < ia->datasize; ++i) + ia->data[i] = i * 1.234; + + // Check named initializers. + struct named_init ni = { + .number = 34, + .name = L"Test wide string", + .average = 543.34343, + }; + + ni.number = 58; + + int dynamic_array[ni.number]; + dynamic_array[0] = argv[0][0]; + dynamic_array[ni.number - 1] = 543; + + // work around unused variable warnings + ok |= (!success || bignum == 0LL || ubignum == 0uLL || newvar[0] == '\''x'\'' + || dynamic_array[ni.number - 1] != 543); +' + +# Test code for whether the C compiler supports C11 (global declarations) +ac_c_conftest_c11_globals=' +// Does the compiler advertise C11 conformance? +#if !defined __STDC_VERSION__ || __STDC_VERSION__ < 201112L +# error "Compiler does not advertise C11 conformance" +#endif + +// Check _Alignas. +char _Alignas (double) aligned_as_double; +char _Alignas (0) no_special_alignment; +extern char aligned_as_int; +char _Alignas (0) _Alignas (int) aligned_as_int; + +// Check _Alignof. +enum +{ + int_alignment = _Alignof (int), + int_array_alignment = _Alignof (int[100]), + char_alignment = _Alignof (char) +}; +_Static_assert (0 < -_Alignof (int), "_Alignof is signed"); + +// Check _Noreturn. +int _Noreturn does_not_return (void) { for (;;) continue; } + +// Check _Static_assert. +struct test_static_assert +{ + int x; + _Static_assert (sizeof (int) <= sizeof (long int), + "_Static_assert does not work in struct"); + long int y; +}; + +// Check UTF-8 literals. +#define u8 syntax error! +char const utf8_literal[] = u8"happens to be ASCII" "another string"; + +// Check duplicate typedefs. +typedef long *long_ptr; +typedef long int *long_ptr; +typedef long_ptr long_ptr; + +// Anonymous structures and unions -- taken from C11 6.7.2.1 Example 1. +struct anonymous +{ + union { + struct { int i; int j; }; + struct { int k; long int l; } w; + }; + int m; +} v1; +' + +# Test code for whether the C compiler supports C11 (body of main). +ac_c_conftest_c11_main=' + _Static_assert ((offsetof (struct anonymous, i) + == offsetof (struct anonymous, w.k)), + "Anonymous union alignment botch"); + v1.i = 2; + v1.w.k = 5; + ok |= v1.i != 5; +' + +# Test code for whether the C compiler supports C11 (complete). +ac_c_conftest_c11_program="${ac_c_conftest_c89_globals} +${ac_c_conftest_c99_globals} +${ac_c_conftest_c11_globals} + +int +main (int argc, char **argv) +{ + int ok = 0; + ${ac_c_conftest_c89_main} + ${ac_c_conftest_c99_main} + ${ac_c_conftest_c11_main} + return ok; +} +" + +# Test code for whether the C compiler supports C99 (complete). +ac_c_conftest_c99_program="${ac_c_conftest_c89_globals} +${ac_c_conftest_c99_globals} + +int +main (int argc, char **argv) +{ + int ok = 0; + ${ac_c_conftest_c89_main} + ${ac_c_conftest_c99_main} + return ok; +} +" + +# Test code for whether the C compiler supports C89 (complete). +ac_c_conftest_c89_program="${ac_c_conftest_c89_globals} + +int +main (int argc, char **argv) +{ + int ok = 0; + ${ac_c_conftest_c89_main} + return ok; +} +" + +as_fn_append ac_header_c_list " stdio.h stdio_h HAVE_STDIO_H" +as_fn_append ac_header_c_list " stdlib.h stdlib_h HAVE_STDLIB_H" +as_fn_append ac_header_c_list " string.h string_h HAVE_STRING_H" +as_fn_append ac_header_c_list " inttypes.h inttypes_h HAVE_INTTYPES_H" +as_fn_append ac_header_c_list " stdint.h stdint_h HAVE_STDINT_H" +as_fn_append ac_header_c_list " strings.h strings_h HAVE_STRINGS_H" +as_fn_append ac_header_c_list " sys/stat.h sys_stat_h HAVE_SYS_STAT_H" +as_fn_append ac_header_c_list " sys/types.h sys_types_h HAVE_SYS_TYPES_H" +as_fn_append ac_header_c_list " unistd.h unistd_h HAVE_UNISTD_H" + +# Auxiliary files required by this configure script. +ac_aux_files="install-sh config.guess config.sub" + +# Locations in which to look for auxiliary files. +ac_aux_dir_candidates="${srcdir}${PATH_SEPARATOR}${srcdir}/..${PATH_SEPARATOR}${srcdir}/../.." + +# Search for a directory containing all of the required auxiliary files, +# $ac_aux_files, from the $PATH-style list $ac_aux_dir_candidates. +# If we don't find one directory that contains all the files we need, +# we report the set of missing files from the *first* directory in +# $ac_aux_dir_candidates and give up. +ac_missing_aux_files="" +ac_first_candidate=: +printf "%s\n" "$as_me:${as_lineno-$LINENO}: looking for aux files: $ac_aux_files" >&5 +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +as_found=false +for as_dir in $ac_aux_dir_candidates +do + IFS=$as_save_IFS + case $as_dir in #((( + '') as_dir=./ ;; + */) ;; + *) as_dir=$as_dir/ ;; + esac + as_found=: + + printf "%s\n" "$as_me:${as_lineno-$LINENO}: trying $as_dir" >&5 + ac_aux_dir_found=yes + ac_install_sh= + for ac_aux in $ac_aux_files + do + # As a special case, if "install-sh" is required, that requirement + # can be satisfied by any of "install-sh", "install.sh", or "shtool", + # and $ac_install_sh is set appropriately for whichever one is found. + if test x"$ac_aux" = x"install-sh" + then + if test -f "${as_dir}install-sh"; then + printf "%s\n" "$as_me:${as_lineno-$LINENO}: ${as_dir}install-sh found" >&5 + ac_install_sh="${as_dir}install-sh -c" + elif test -f "${as_dir}install.sh"; then + printf "%s\n" "$as_me:${as_lineno-$LINENO}: ${as_dir}install.sh found" >&5 + ac_install_sh="${as_dir}install.sh -c" + elif test -f "${as_dir}shtool"; then + printf "%s\n" "$as_me:${as_lineno-$LINENO}: ${as_dir}shtool found" >&5 + ac_install_sh="${as_dir}shtool install -c" + else + ac_aux_dir_found=no + if $ac_first_candidate; then + ac_missing_aux_files="${ac_missing_aux_files} install-sh" + else + break + fi + fi + else + if test -f "${as_dir}${ac_aux}"; then + printf "%s\n" "$as_me:${as_lineno-$LINENO}: ${as_dir}${ac_aux} found" >&5 + else + ac_aux_dir_found=no + if $ac_first_candidate; then + ac_missing_aux_files="${ac_missing_aux_files} ${ac_aux}" + else + break + fi + fi + fi + done + if test "$ac_aux_dir_found" = yes; then + ac_aux_dir="$as_dir" + break + fi + ac_first_candidate=false + + as_found=false +done +IFS=$as_save_IFS +if $as_found +then : + +else $as_nop + as_fn_error $? "cannot find required auxiliary files:$ac_missing_aux_files" "$LINENO" 5 +fi + + +# These three variables are undocumented and unsupported, +# and are intended to be withdrawn in a future Autoconf release. +# They can cause serious problems if a builder's source tree is in a directory +# whose full name contains unusual characters. +if test -f "${ac_aux_dir}config.guess"; then + ac_config_guess="$SHELL ${ac_aux_dir}config.guess" +fi +if test -f "${ac_aux_dir}config.sub"; then + ac_config_sub="$SHELL ${ac_aux_dir}config.sub" +fi +if test -f "$ac_aux_dir/configure"; then + ac_configure="$SHELL ${ac_aux_dir}configure" +fi + +# Check that the precious variables saved in the cache have kept the same +# value. +ac_cache_corrupted=false +for ac_var in $ac_precious_vars; do + eval ac_old_set=\$ac_cv_env_${ac_var}_set + eval ac_new_set=\$ac_env_${ac_var}_set + eval ac_old_val=\$ac_cv_env_${ac_var}_value + eval ac_new_val=\$ac_env_${ac_var}_value + case $ac_old_set,$ac_new_set in + set,) + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&5 +printf "%s\n" "$as_me: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&2;} + ac_cache_corrupted=: ;; + ,set) + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' was not set in the previous run" >&5 +printf "%s\n" "$as_me: error: \`$ac_var' was not set in the previous run" >&2;} + ac_cache_corrupted=: ;; + ,);; + *) + if test "x$ac_old_val" != "x$ac_new_val"; then + # differences in whitespace do not lead to failure. + ac_old_val_w=`echo x $ac_old_val` + ac_new_val_w=`echo x $ac_new_val` + if test "$ac_old_val_w" != "$ac_new_val_w"; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' has changed since the previous run:" >&5 +printf "%s\n" "$as_me: error: \`$ac_var' has changed since the previous run:" >&2;} + ac_cache_corrupted=: + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&5 +printf "%s\n" "$as_me: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&2;} + eval $ac_var=\$ac_old_val + fi + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: former value: \`$ac_old_val'" >&5 +printf "%s\n" "$as_me: former value: \`$ac_old_val'" >&2;} + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: current value: \`$ac_new_val'" >&5 +printf "%s\n" "$as_me: current value: \`$ac_new_val'" >&2;} + fi;; + esac + # Pass precious variables to config.status. + if test "$ac_new_set" = set; then + case $ac_new_val in + *\'*) ac_arg=$ac_var=`printf "%s\n" "$ac_new_val" | sed "s/'/'\\\\\\\\''/g"` ;; + *) ac_arg=$ac_var=$ac_new_val ;; + esac + case " $ac_configure_args " in + *" '$ac_arg' "*) ;; # Avoid dups. Use of quotes ensures accuracy. + *) as_fn_append ac_configure_args " '$ac_arg'" ;; + esac + fi +done +if $ac_cache_corrupted; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;} + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: changes in the environment can compromise the build" >&5 +printf "%s\n" "$as_me: error: changes in the environment can compromise the build" >&2;} + as_fn_error $? "run \`${MAKE-make} distclean' and/or \`rm $cache_file' + and start over" "$LINENO" 5 +fi +## -------------------- ## +## Main body of script. ## +## -------------------- ## + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + + + + + +# +# These are the variables that are used in Makefile, pcap-config, and +# libpcap.pc. +# +# CFLAGS: inherited from the environment, not modified by us except +# for flags required for the platform for which we're building (and +# except temporarily during tests that involve compilation). Used only +# when compiling C source. +# +# LDFLAGS: inherited from the environment, not modified by us. +# +# LIBS: inherited from the environment; we add libraries required by +# libpcap. Libraries that the core libpcap code requires are added +# first; libraries required by additional pcap modules are first +# added to ADDITIONAL_LIBS, and only added to LIBS at the end, after +# we're finished doing configuration tests for the modules. +# +# LIBS_STATIC: libraries with which a program using the libpcap *static* +# library needs to be linked. This is a superset of LIBS, used in +# pcap-config, so that "pcap-config --libs --static" will report them. +# Initialized to LIBS. +# +# REQUIRES_PRIVATE: pkg-config package names for additional libraries +# with which a program using the libpcap *static* library needs to be +# linked and for which a .pc file exists. This is used in libpcap.pc, +# so that "pkg-config --libs --static" will report them, and so that +# those libraries will be determined using the library's .pc file, not +# from our .pc file. Initialized to an empty string. +# +# V_CCOPT: additional compiler flags other than -I and -D flags +# needed when compiling libpcap. Used in Makefile for both C and +# C++ source. +# +# V_DEFS: additional -D compiler flags needed when compiling +# libpcap. Used in Makefile for both C and C++ source. +# +# V_INCLS: additional -I compiler flags needed when compiling +# libpcap. Used in Makefile for both C and C++ source. +# +# ADDITIONAL_LIBS: additional libraries with which the libpcap dynamic +# library needs to be linked. Used in Makefile; not used in pcap-config +# or libpcap.pc, as, in all platforms on which we run, if a dynamic +# library is linked with other dynamic libraries, a program using +# that dynamic library doesn't have to link with those libraries - +# they will be automatically loaded at run time. Initialized to an +# empty string. +# +# ADDITIONAL_LIBS_STATIC: additional libraries with which a program +# using the libpcap *static* library needs to be linked. This is used +# in pcap-config, so that "pcap-config --libs --static" will report +# them. Initialized to an empty string. +# +# REQUIRES_PRIVATE: pkg-config package names for additional libraries +# with which a program using the libpcap *static* library needs to be +# linked and for which a .pc file exists. This is used in libpcap.pc, +# so that "pkg-config --libs --static" will report them, and so that +# those libraries will be determined using the library's .pc file, not +# from our .pc file. Initialized to an empty string. +# +# LIBS_PRIVATE: pkg-config package names for additional libraries with +# which a program using the libpcap *static* library needs to be linked +# and for which a .pc file does not exist. This is used in libpcap.pc, +# so that "pkg-config --libs --static" will report them (those libraries +# cannot be determined using the library's .pc file, as there is no such +# file, so it has to come from our .pc file. Initialized to an empty +# string. +# +LIBS_STATIC="" +REQUIRES_PRIVATE="" +LIBS_PRIVATE="" + + + + + + + + + + + + # Make sure we can run config.sub. +$SHELL "${ac_aux_dir}config.sub" sun4 >/dev/null 2>&1 || + as_fn_error $? "cannot run $SHELL ${ac_aux_dir}config.sub" "$LINENO" 5 + +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking build system type" >&5 +printf %s "checking build system type... " >&6; } +if test ${ac_cv_build+y} +then : + printf %s "(cached) " >&6 +else $as_nop + ac_build_alias=$build_alias +test "x$ac_build_alias" = x && + ac_build_alias=`$SHELL "${ac_aux_dir}config.guess"` +test "x$ac_build_alias" = x && + as_fn_error $? "cannot guess build type; you must specify one" "$LINENO" 5 +ac_cv_build=`$SHELL "${ac_aux_dir}config.sub" $ac_build_alias` || + as_fn_error $? "$SHELL ${ac_aux_dir}config.sub $ac_build_alias failed" "$LINENO" 5 + +fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_build" >&5 +printf "%s\n" "$ac_cv_build" >&6; } +case $ac_cv_build in +*-*-*) ;; +*) as_fn_error $? "invalid value of canonical build" "$LINENO" 5;; +esac +build=$ac_cv_build +ac_save_IFS=$IFS; IFS='-' +set x $ac_cv_build +shift +build_cpu=$1 +build_vendor=$2 +shift; shift +# Remember, the first character of IFS is used to create $*, +# except with old shells: +build_os=$* +IFS=$ac_save_IFS +case $build_os in *\ *) build_os=`echo "$build_os" | sed 's/ /-/g'`;; esac + + +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking host system type" >&5 +printf %s "checking host system type... " >&6; } +if test ${ac_cv_host+y} +then : + printf %s "(cached) " >&6 +else $as_nop + if test "x$host_alias" = x; then + ac_cv_host=$ac_cv_build +else + ac_cv_host=`$SHELL "${ac_aux_dir}config.sub" $host_alias` || + as_fn_error $? "$SHELL ${ac_aux_dir}config.sub $host_alias failed" "$LINENO" 5 +fi + +fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_host" >&5 +printf "%s\n" "$ac_cv_host" >&6; } +case $ac_cv_host in +*-*-*) ;; +*) as_fn_error $? "invalid value of canonical host" "$LINENO" 5;; +esac +host=$ac_cv_host +ac_save_IFS=$IFS; IFS='-' +set x $ac_cv_host +shift +host_cpu=$1 +host_vendor=$2 +shift; shift +# Remember, the first character of IFS is used to create $*, +# except with old shells: +host_os=$* +IFS=$ac_save_IFS +case $host_os in *\ *) host_os=`echo "$host_os" | sed 's/ /-/g'`;; esac + + +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking target system type" >&5 +printf %s "checking target system type... " >&6; } +if test ${ac_cv_target+y} +then : + printf %s "(cached) " >&6 +else $as_nop + if test "x$target_alias" = x; then + ac_cv_target=$ac_cv_host +else + ac_cv_target=`$SHELL "${ac_aux_dir}config.sub" $target_alias` || + as_fn_error $? "$SHELL ${ac_aux_dir}config.sub $target_alias failed" "$LINENO" 5 +fi + +fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_target" >&5 +printf "%s\n" "$ac_cv_target" >&6; } +case $ac_cv_target in +*-*-*) ;; +*) as_fn_error $? "invalid value of canonical target" "$LINENO" 5;; +esac +target=$ac_cv_target +ac_save_IFS=$IFS; IFS='-' +set x $ac_cv_target +shift +target_cpu=$1 +target_vendor=$2 +shift; shift +# Remember, the first character of IFS is used to create $*, +# except with old shells: +target_os=$* +IFS=$ac_save_IFS +case $target_os in *\ *) target_os=`echo "$target_os" | sed 's/ /-/g'`;; esac + + +# The aliases save the names the user supplied, while $host etc. +# will get canonicalized. +test -n "$target_alias" && + test "$program_prefix$program_suffix$program_transform_name" = \ + NONENONEs,x,x, && + program_prefix=${target_alias}- + + + + + + + + +# Check whether --with-gcc was given. +if test ${with_gcc+y} +then : + withval=$with_gcc; +fi + + V_CCOPT="" + if test "${srcdir}" != "." ; then + V_CCOPT="-I\$(srcdir)" + fi + if test "${CFLAGS+set}" = set; then + LBL_CFLAGS="$CFLAGS" + fi + if test -z "$CC" ; then + case "$host_os" in + + bsdi*) + # Extract the first word of "shlicc2", so it can be a program name with args. +set dummy shlicc2; ac_word=$2 +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +printf %s "checking for $ac_word... " >&6; } +if test ${ac_cv_prog_SHLICC2+y} +then : + printf %s "(cached) " >&6 +else $as_nop + if test -n "$SHLICC2"; then + ac_cv_prog_SHLICC2="$SHLICC2" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + case $as_dir in #((( + '') as_dir=./ ;; + */) ;; + *) as_dir=$as_dir/ ;; + esac + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then + ac_cv_prog_SHLICC2="yes" + printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + + test -z "$ac_cv_prog_SHLICC2" && ac_cv_prog_SHLICC2="no" +fi +fi +SHLICC2=$ac_cv_prog_SHLICC2 +if test -n "$SHLICC2"; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $SHLICC2" >&5 +printf "%s\n" "$SHLICC2" >&6; } +else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } +fi + + + if test $SHLICC2 = yes ; then + CC=shlicc2 + export CC + fi + ;; + esac + fi + if test -z "$CC" -a "$with_gcc" = no ; then + CC=cc + export CC + fi + +# +# We require C99 or later. +# Try to get it, which may involve adding compiler flags; +# if that fails, give up. +# + + + + + + + + + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu +if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}gcc", so it can be a program name with args. +set dummy ${ac_tool_prefix}gcc; ac_word=$2 +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +printf %s "checking for $ac_word... " >&6; } +if test ${ac_cv_prog_CC+y} +then : + printf %s "(cached) " >&6 +else $as_nop + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + case $as_dir in #((( + '') as_dir=./ ;; + */) ;; + *) as_dir=$as_dir/ ;; + esac + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then + ac_cv_prog_CC="${ac_tool_prefix}gcc" + printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +printf "%s\n" "$CC" >&6; } +else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_CC"; then + ac_ct_CC=$CC + # Extract the first word of "gcc", so it can be a program name with args. +set dummy gcc; ac_word=$2 +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +printf %s "checking for $ac_word... " >&6; } +if test ${ac_cv_prog_ac_ct_CC+y} +then : + printf %s "(cached) " >&6 +else $as_nop + if test -n "$ac_ct_CC"; then + ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + case $as_dir in #((( + '') as_dir=./ ;; + */) ;; + *) as_dir=$as_dir/ ;; + esac + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_CC="gcc" + printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_CC=$ac_cv_prog_ac_ct_CC +if test -n "$ac_ct_CC"; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5 +printf "%s\n" "$ac_ct_CC" >&6; } +else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } +fi + + if test "x$ac_ct_CC" = x; then + CC="" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + CC=$ac_ct_CC + fi +else + CC="$ac_cv_prog_CC" +fi + +if test -z "$CC"; then + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}cc", so it can be a program name with args. +set dummy ${ac_tool_prefix}cc; ac_word=$2 +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +printf %s "checking for $ac_word... " >&6; } +if test ${ac_cv_prog_CC+y} +then : + printf %s "(cached) " >&6 +else $as_nop + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + case $as_dir in #((( + '') as_dir=./ ;; + */) ;; + *) as_dir=$as_dir/ ;; + esac + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then + ac_cv_prog_CC="${ac_tool_prefix}cc" + printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +printf "%s\n" "$CC" >&6; } +else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } +fi + + + fi +fi +if test -z "$CC"; then + # Extract the first word of "cc", so it can be a program name with args. +set dummy cc; ac_word=$2 +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +printf %s "checking for $ac_word... " >&6; } +if test ${ac_cv_prog_CC+y} +then : + printf %s "(cached) " >&6 +else $as_nop + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else + ac_prog_rejected=no +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + case $as_dir in #((( + '') as_dir=./ ;; + */) ;; + *) as_dir=$as_dir/ ;; + esac + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then + if test "$as_dir$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then + ac_prog_rejected=yes + continue + fi + ac_cv_prog_CC="cc" + printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +if test $ac_prog_rejected = yes; then + # We found a bogon in the path, so make sure we never use it. + set dummy $ac_cv_prog_CC + shift + if test $# != 0; then + # We chose a different compiler from the bogus one. + # However, it has the same basename, so the bogon will be chosen + # first if we set CC to just the basename; use the full file name. + shift + ac_cv_prog_CC="$as_dir$ac_word${1+' '}$@" + fi +fi +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +printf "%s\n" "$CC" >&6; } +else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } +fi + + +fi +if test -z "$CC"; then + if test -n "$ac_tool_prefix"; then + for ac_prog in cl.exe + do + # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args. +set dummy $ac_tool_prefix$ac_prog; ac_word=$2 +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +printf %s "checking for $ac_word... " >&6; } +if test ${ac_cv_prog_CC+y} +then : + printf %s "(cached) " >&6 +else $as_nop + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + case $as_dir in #((( + '') as_dir=./ ;; + */) ;; + *) as_dir=$as_dir/ ;; + esac + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then + ac_cv_prog_CC="$ac_tool_prefix$ac_prog" + printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +printf "%s\n" "$CC" >&6; } +else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } +fi + + + test -n "$CC" && break + done +fi +if test -z "$CC"; then + ac_ct_CC=$CC + for ac_prog in cl.exe +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +printf %s "checking for $ac_word... " >&6; } +if test ${ac_cv_prog_ac_ct_CC+y} +then : + printf %s "(cached) " >&6 +else $as_nop + if test -n "$ac_ct_CC"; then + ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + case $as_dir in #((( + '') as_dir=./ ;; + */) ;; + *) as_dir=$as_dir/ ;; + esac + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_CC="$ac_prog" + printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_CC=$ac_cv_prog_ac_ct_CC +if test -n "$ac_ct_CC"; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5 +printf "%s\n" "$ac_ct_CC" >&6; } +else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } +fi + + + test -n "$ac_ct_CC" && break +done + + if test "x$ac_ct_CC" = x; then + CC="" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + CC=$ac_ct_CC + fi +fi + +fi +if test -z "$CC"; then + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}clang", so it can be a program name with args. +set dummy ${ac_tool_prefix}clang; ac_word=$2 +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +printf %s "checking for $ac_word... " >&6; } +if test ${ac_cv_prog_CC+y} +then : + printf %s "(cached) " >&6 +else $as_nop + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + case $as_dir in #((( + '') as_dir=./ ;; + */) ;; + *) as_dir=$as_dir/ ;; + esac + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then + ac_cv_prog_CC="${ac_tool_prefix}clang" + printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +printf "%s\n" "$CC" >&6; } +else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_CC"; then + ac_ct_CC=$CC + # Extract the first word of "clang", so it can be a program name with args. +set dummy clang; ac_word=$2 +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +printf %s "checking for $ac_word... " >&6; } +if test ${ac_cv_prog_ac_ct_CC+y} +then : + printf %s "(cached) " >&6 +else $as_nop + if test -n "$ac_ct_CC"; then + ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + case $as_dir in #((( + '') as_dir=./ ;; + */) ;; + *) as_dir=$as_dir/ ;; + esac + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_CC="clang" + printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_CC=$ac_cv_prog_ac_ct_CC +if test -n "$ac_ct_CC"; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5 +printf "%s\n" "$ac_ct_CC" >&6; } +else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } +fi + + if test "x$ac_ct_CC" = x; then + CC="" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + CC=$ac_ct_CC + fi +else + CC="$ac_cv_prog_CC" +fi + +fi + + +test -z "$CC" && { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "no acceptable C compiler found in \$PATH +See \`config.log' for more details" "$LINENO" 5; } + +# Provide some information about the compiler. +printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for C compiler version" >&5 +set X $ac_compile +ac_compiler=$2 +for ac_option in --version -v -V -qversion -version; do + { { ac_try="$ac_compiler $ac_option >&5" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +printf "%s\n" "$ac_try_echo"; } >&5 + (eval "$ac_compiler $ac_option >&5") 2>conftest.err + ac_status=$? + if test -s conftest.err; then + sed '10a\ +... rest of stderr output deleted ... + 10q' conftest.err >conftest.er1 + cat conftest.er1 >&5 + fi + rm -f conftest.er1 conftest.err + printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } +done + +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main (void) +{ + + ; + return 0; +} +_ACEOF +ac_clean_files_save=$ac_clean_files +ac_clean_files="$ac_clean_files a.out a.out.dSYM a.exe b.out" +# Try to create an executable without -o first, disregard a.out. +# It will help us diagnose broken compilers, and finding out an intuition +# of exeext. +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the C compiler works" >&5 +printf %s "checking whether the C compiler works... " >&6; } +ac_link_default=`printf "%s\n" "$ac_link" | sed 's/ -o *conftest[^ ]*//'` + +# The possible output files: +ac_files="a.out conftest.exe conftest a.exe a_out.exe b.out conftest.*" + +ac_rmfiles= +for ac_file in $ac_files +do + case $ac_file in + *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj ) ;; + * ) ac_rmfiles="$ac_rmfiles $ac_file";; + esac +done +rm -f $ac_rmfiles + +if { { ac_try="$ac_link_default" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +printf "%s\n" "$ac_try_echo"; } >&5 + (eval "$ac_link_default") 2>&5 + ac_status=$? + printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } +then : + # Autoconf-2.13 could set the ac_cv_exeext variable to `no'. +# So ignore a value of `no', otherwise this would lead to `EXEEXT = no' +# in a Makefile. We should not override ac_cv_exeext if it was cached, +# so that the user can short-circuit this test for compilers unknown to +# Autoconf. +for ac_file in $ac_files '' +do + test -f "$ac_file" || continue + case $ac_file in + *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj ) + ;; + [ab].out ) + # We found the default executable, but exeext='' is most + # certainly right. + break;; + *.* ) + if test ${ac_cv_exeext+y} && test "$ac_cv_exeext" != no; + then :; else + ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'` + fi + # We set ac_cv_exeext here because the later test for it is not + # safe: cross compilers may not add the suffix if given an `-o' + # argument, so we may need to know it at that point already. + # Even if this section looks crufty: it has the advantage of + # actually working. + break;; + * ) + break;; + esac +done +test "$ac_cv_exeext" = no && ac_cv_exeext= + +else $as_nop + ac_file='' +fi +if test -z "$ac_file" +then : + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } +printf "%s\n" "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error 77 "C compiler cannot create executables +See \`config.log' for more details" "$LINENO" 5; } +else $as_nop + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } +fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for C compiler default output file name" >&5 +printf %s "checking for C compiler default output file name... " >&6; } +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_file" >&5 +printf "%s\n" "$ac_file" >&6; } +ac_exeext=$ac_cv_exeext + +rm -f -r a.out a.out.dSYM a.exe conftest$ac_cv_exeext b.out +ac_clean_files=$ac_clean_files_save +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for suffix of executables" >&5 +printf %s "checking for suffix of executables... " >&6; } +if { { ac_try="$ac_link" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +printf "%s\n" "$ac_try_echo"; } >&5 + (eval "$ac_link") 2>&5 + ac_status=$? + printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } +then : + # If both `conftest.exe' and `conftest' are `present' (well, observable) +# catch `conftest.exe'. For instance with Cygwin, `ls conftest' will +# work properly (i.e., refer to `conftest.exe'), while it won't with +# `rm'. +for ac_file in conftest.exe conftest conftest.*; do + test -f "$ac_file" || continue + case $ac_file in + *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj ) ;; + *.* ) ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'` + break;; + * ) break;; + esac +done +else $as_nop + { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "cannot compute suffix of executables: cannot compile and link +See \`config.log' for more details" "$LINENO" 5; } +fi +rm -f conftest conftest$ac_cv_exeext +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_exeext" >&5 +printf "%s\n" "$ac_cv_exeext" >&6; } + +rm -f conftest.$ac_ext +EXEEXT=$ac_cv_exeext +ac_exeext=$EXEEXT +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include <stdio.h> +int +main (void) +{ +FILE *f = fopen ("conftest.out", "w"); + return ferror (f) || fclose (f) != 0; + + ; + return 0; +} +_ACEOF +ac_clean_files="$ac_clean_files conftest.out" +# Check that the compiler produces executables we can run. If not, either +# the compiler is broken, or we cross compile. +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether we are cross compiling" >&5 +printf %s "checking whether we are cross compiling... " >&6; } +if test "$cross_compiling" != yes; then + { { ac_try="$ac_link" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +printf "%s\n" "$ac_try_echo"; } >&5 + (eval "$ac_link") 2>&5 + ac_status=$? + printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } + if { ac_try='./conftest$ac_cv_exeext' + { { case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +printf "%s\n" "$ac_try_echo"; } >&5 + (eval "$ac_try") 2>&5 + ac_status=$? + printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then + cross_compiling=no + else + if test "$cross_compiling" = maybe; then + cross_compiling=yes + else + { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error 77 "cannot run C compiled programs. +If you meant to cross compile, use \`--host'. +See \`config.log' for more details" "$LINENO" 5; } + fi + fi +fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $cross_compiling" >&5 +printf "%s\n" "$cross_compiling" >&6; } + +rm -f conftest.$ac_ext conftest$ac_cv_exeext conftest.out +ac_clean_files=$ac_clean_files_save +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for suffix of object files" >&5 +printf %s "checking for suffix of object files... " >&6; } +if test ${ac_cv_objext+y} +then : + printf %s "(cached) " >&6 +else $as_nop + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main (void) +{ + + ; + return 0; +} +_ACEOF +rm -f conftest.o conftest.obj +if { { ac_try="$ac_compile" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +printf "%s\n" "$ac_try_echo"; } >&5 + (eval "$ac_compile") 2>&5 + ac_status=$? + printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } +then : + for ac_file in conftest.o conftest.obj conftest.*; do + test -f "$ac_file" || continue; + case $ac_file in + *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM ) ;; + *) ac_cv_objext=`expr "$ac_file" : '.*\.\(.*\)'` + break;; + esac +done +else $as_nop + printf "%s\n" "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "cannot compute suffix of object files: cannot compile +See \`config.log' for more details" "$LINENO" 5; } +fi +rm -f conftest.$ac_cv_objext conftest.$ac_ext +fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_objext" >&5 +printf "%s\n" "$ac_cv_objext" >&6; } +OBJEXT=$ac_cv_objext +ac_objext=$OBJEXT +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports GNU C" >&5 +printf %s "checking whether the compiler supports GNU C... " >&6; } +if test ${ac_cv_c_compiler_gnu+y} +then : + printf %s "(cached) " >&6 +else $as_nop + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main (void) +{ +#ifndef __GNUC__ + choke me +#endif + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + ac_compiler_gnu=yes +else $as_nop + ac_compiler_gnu=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext +ac_cv_c_compiler_gnu=$ac_compiler_gnu + +fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_compiler_gnu" >&5 +printf "%s\n" "$ac_cv_c_compiler_gnu" >&6; } +ac_compiler_gnu=$ac_cv_c_compiler_gnu + +if test $ac_compiler_gnu = yes; then + GCC=yes +else + GCC= +fi +ac_test_CFLAGS=${CFLAGS+y} +ac_save_CFLAGS=$CFLAGS +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC accepts -g" >&5 +printf %s "checking whether $CC accepts -g... " >&6; } +if test ${ac_cv_prog_cc_g+y} +then : + printf %s "(cached) " >&6 +else $as_nop + ac_save_c_werror_flag=$ac_c_werror_flag + ac_c_werror_flag=yes + ac_cv_prog_cc_g=no + CFLAGS="-g" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main (void) +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + ac_cv_prog_cc_g=yes +else $as_nop + CFLAGS="" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main (void) +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + +else $as_nop + ac_c_werror_flag=$ac_save_c_werror_flag + CFLAGS="-g" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main (void) +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + ac_cv_prog_cc_g=yes +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + ac_c_werror_flag=$ac_save_c_werror_flag +fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_g" >&5 +printf "%s\n" "$ac_cv_prog_cc_g" >&6; } +if test $ac_test_CFLAGS; then + CFLAGS=$ac_save_CFLAGS +elif test $ac_cv_prog_cc_g = yes; then + if test "$GCC" = yes; then + CFLAGS="-g -O2" + else + CFLAGS="-g" + fi +else + if test "$GCC" = yes; then + CFLAGS="-O2" + else + CFLAGS= + fi +fi +ac_prog_cc_stdc=no +if test x$ac_prog_cc_stdc = xno +then : + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $CC option to enable C11 features" >&5 +printf %s "checking for $CC option to enable C11 features... " >&6; } +if test ${ac_cv_prog_cc_c11+y} +then : + printf %s "(cached) " >&6 +else $as_nop + ac_cv_prog_cc_c11=no +ac_save_CC=$CC +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +$ac_c_conftest_c11_program +_ACEOF +for ac_arg in '' -std=gnu11 +do + CC="$ac_save_CC $ac_arg" + if ac_fn_c_try_compile "$LINENO" +then : + ac_cv_prog_cc_c11=$ac_arg +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam + test "x$ac_cv_prog_cc_c11" != "xno" && break +done +rm -f conftest.$ac_ext +CC=$ac_save_CC +fi + +if test "x$ac_cv_prog_cc_c11" = xno +then : + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5 +printf "%s\n" "unsupported" >&6; } +else $as_nop + if test "x$ac_cv_prog_cc_c11" = x +then : + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: none needed" >&5 +printf "%s\n" "none needed" >&6; } +else $as_nop + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c11" >&5 +printf "%s\n" "$ac_cv_prog_cc_c11" >&6; } + CC="$CC $ac_cv_prog_cc_c11" +fi + ac_cv_prog_cc_stdc=$ac_cv_prog_cc_c11 + ac_prog_cc_stdc=c11 +fi +fi +if test x$ac_prog_cc_stdc = xno +then : + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $CC option to enable C99 features" >&5 +printf %s "checking for $CC option to enable C99 features... " >&6; } +if test ${ac_cv_prog_cc_c99+y} +then : + printf %s "(cached) " >&6 +else $as_nop + ac_cv_prog_cc_c99=no +ac_save_CC=$CC +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +$ac_c_conftest_c99_program +_ACEOF +for ac_arg in '' -std=gnu99 -std=c99 -c99 -qlanglvl=extc1x -qlanglvl=extc99 -AC99 -D_STDC_C99= +do + CC="$ac_save_CC $ac_arg" + if ac_fn_c_try_compile "$LINENO" +then : + ac_cv_prog_cc_c99=$ac_arg +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam + test "x$ac_cv_prog_cc_c99" != "xno" && break +done +rm -f conftest.$ac_ext +CC=$ac_save_CC +fi + +if test "x$ac_cv_prog_cc_c99" = xno +then : + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5 +printf "%s\n" "unsupported" >&6; } +else $as_nop + if test "x$ac_cv_prog_cc_c99" = x +then : + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: none needed" >&5 +printf "%s\n" "none needed" >&6; } +else $as_nop + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c99" >&5 +printf "%s\n" "$ac_cv_prog_cc_c99" >&6; } + CC="$CC $ac_cv_prog_cc_c99" +fi + ac_cv_prog_cc_stdc=$ac_cv_prog_cc_c99 + ac_prog_cc_stdc=c99 +fi +fi +if test x$ac_prog_cc_stdc = xno +then : + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $CC option to enable C89 features" >&5 +printf %s "checking for $CC option to enable C89 features... " >&6; } +if test ${ac_cv_prog_cc_c89+y} +then : + printf %s "(cached) " >&6 +else $as_nop + ac_cv_prog_cc_c89=no +ac_save_CC=$CC +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +$ac_c_conftest_c89_program +_ACEOF +for ac_arg in '' -qlanglvl=extc89 -qlanglvl=ansi -std -Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__" +do + CC="$ac_save_CC $ac_arg" + if ac_fn_c_try_compile "$LINENO" +then : + ac_cv_prog_cc_c89=$ac_arg +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam + test "x$ac_cv_prog_cc_c89" != "xno" && break +done +rm -f conftest.$ac_ext +CC=$ac_save_CC +fi + +if test "x$ac_cv_prog_cc_c89" = xno +then : + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5 +printf "%s\n" "unsupported" >&6; } +else $as_nop + if test "x$ac_cv_prog_cc_c89" = x +then : + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: none needed" >&5 +printf "%s\n" "none needed" >&6; } +else $as_nop + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c89" >&5 +printf "%s\n" "$ac_cv_prog_cc_c89" >&6; } + CC="$CC $ac_cv_prog_cc_c89" +fi + ac_cv_prog_cc_stdc=$ac_cv_prog_cc_c89 + ac_prog_cc_stdc=c89 +fi +fi + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + + +if test "$ac_cv_prog_cc_c99" = "no"; then + as_fn_error $? "The C compiler does not support C99" "$LINENO" 5 +fi + +# +# Get the size of a void *, to determine whether this is a 32-bit +# or 64-bit build. +# + +ac_header= ac_cache= +for ac_item in $ac_header_c_list +do + if test $ac_cache; then + ac_fn_c_check_header_compile "$LINENO" $ac_header ac_cv_header_$ac_cache "$ac_includes_default" + if eval test \"x\$ac_cv_header_$ac_cache\" = xyes; then + printf "%s\n" "#define $ac_item 1" >> confdefs.h + fi + ac_header= ac_cache= + elif test $ac_header; then + ac_cache=$ac_item + else + ac_header=$ac_item + fi +done + + + + + + + + +if test $ac_cv_header_stdlib_h = yes && test $ac_cv_header_string_h = yes +then : + +printf "%s\n" "#define STDC_HEADERS 1" >>confdefs.h + +fi +# The cast to long int works around a bug in the HP C Compiler +# version HP92453-01 B.11.11.23709.GP, which incorrectly rejects +# declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'. +# This bug is HP SR number 8606223364. +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking size of void *" >&5 +printf %s "checking size of void *... " >&6; } +if test ${ac_cv_sizeof_void_p+y} +then : + printf %s "(cached) " >&6 +else $as_nop + if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (void *))" "ac_cv_sizeof_void_p" "$ac_includes_default" +then : + +else $as_nop + if test "$ac_cv_type_void_p" = yes; then + { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error 77 "cannot compute sizeof (void *) +See \`config.log' for more details" "$LINENO" 5; } + else + ac_cv_sizeof_void_p=0 + fi +fi + +fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_void_p" >&5 +printf "%s\n" "$ac_cv_sizeof_void_p" >&6; } + + + +printf "%s\n" "#define SIZEOF_VOID_P $ac_cv_sizeof_void_p" >>confdefs.h + + +ac_lbl_c_sizeof_void_p="$ac_cv_sizeof_void_p" + +# +# Get the size of a time_t, to know whether it's 32-bit or 64-bit. +# +# The cast to long int works around a bug in the HP C Compiler +# version HP92453-01 B.11.11.23709.GP, which incorrectly rejects +# declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'. +# This bug is HP SR number 8606223364. +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking size of time_t" >&5 +printf %s "checking size of time_t... " >&6; } +if test ${ac_cv_sizeof_time_t+y} +then : + printf %s "(cached) " >&6 +else $as_nop + if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (time_t))" "ac_cv_sizeof_time_t" "#include <time.h> +" +then : + +else $as_nop + if test "$ac_cv_type_time_t" = yes; then + { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error 77 "cannot compute sizeof (time_t) +See \`config.log' for more details" "$LINENO" 5; } + else + ac_cv_sizeof_time_t=0 + fi +fi + +fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_time_t" >&5 +printf "%s\n" "$ac_cv_sizeof_time_t" >&6; } + + + +printf "%s\n" "#define SIZEOF_TIME_T $ac_cv_sizeof_time_t" >>confdefs.h + + + + + + + + if test "$GCC" = yes ; then + # + # -Werror forces warnings to be errors. + # + ac_lbl_cc_force_warning_errors=-Werror + + # + # Try to have the compiler default to hiding symbols, + # so that only symbols explicitly exported with + # PCAP_API will be visible outside (shared) libraries. + # + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -fvisibility=hidden option" >&5 +printf %s "checking whether the compiler supports the -fvisibility=hidden option... " >&6; } + save_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS -fvisibility=hidden" + # + # XXX - yes, this depends on the way AC_LANG_WERROR works, + # but no mechanism is provided to turn AC_LANG_WERROR on + # *and then turn it back off*, so that we *only* do it when + # testing compiler options - 15 years after somebody asked + # for it: + # + # https://autoconf.gnu.narkive.com/gTAVmfKD/how-to-cancel-flags-set-by-ac-lang-werror + # + save_ac_c_werror_flag="$ac_c_werror_flag" + ac_c_werror_flag=yes + # + # We use AC_LANG_SOURCE() so that we can control the complete + # content of the program being compiled. We do not, for example, + # want the default "int main()" that AC_LANG_PROGRAM() generates, + # as it will generate a warning with -Wold-style-definition, meaning + # that we would treat it as not working, as the test will fail if + # *any* error output, including a warning due to the flag we're + # testing, is generated; see + # + # https://www.postgresql.org/message-id/2192993.1591682589%40sss.pgh.pa.us + # https://www.postgresql.org/message-id/2192993.1591682589%40sss.pgh.pa.us + # + # This may, as per those two messages, be fixed in autoconf 2.70, + # but we only require 2.69 or newer for now. + # + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(void) { return 0; } +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + can_add_to_cflags=yes + # + # The compile supports this; do we have some C code for + # which the warning should *not* appear? + # We test the fourth argument because the third argument + # could contain quotes, breaking the test. + # + if test "x" != "x" + then + CFLAGS="$CFLAGS $ac_lbl_cc_force_warning_errors" + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether -fvisibility=hidden " >&5 +printf %s "checking whether -fvisibility=hidden ... " >&6; } + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + + # + # Not a problem. + # + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + +else $as_nop + + # + # A problem. + # + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + can_add_to_cflags=no + +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + fi + CFLAGS="$save_CFLAGS" + if test x"$can_add_to_cflags" = "xyes" + then + V_CCOPT="$V_CCOPT -fvisibility=hidden" + fi + +else $as_nop + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + CFLAGS="$save_CFLAGS" + +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + ac_c_werror_flag="$save_ac_c_werror_flag" + + else + V_INCLS="$V_INCLS -I/usr/local/include" + LDFLAGS="$LDFLAGS -L/usr/local/lib" + + case "$host_os" in + + darwin*) + # + # This is assumed either to be GCC or clang, both + # of which use -Werror to force warnings to be errors. + # + ac_lbl_cc_force_warning_errors=-Werror + + # + # Try to have the compiler default to hiding symbols, + # so that only symbols explicitly exported with + # PCAP_API will be visible outside (shared) libraries. + # + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -fvisibility=hidden option" >&5 +printf %s "checking whether the compiler supports the -fvisibility=hidden option... " >&6; } + save_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS -fvisibility=hidden" + # + # XXX - yes, this depends on the way AC_LANG_WERROR works, + # but no mechanism is provided to turn AC_LANG_WERROR on + # *and then turn it back off*, so that we *only* do it when + # testing compiler options - 15 years after somebody asked + # for it: + # + # https://autoconf.gnu.narkive.com/gTAVmfKD/how-to-cancel-flags-set-by-ac-lang-werror + # + save_ac_c_werror_flag="$ac_c_werror_flag" + ac_c_werror_flag=yes + # + # We use AC_LANG_SOURCE() so that we can control the complete + # content of the program being compiled. We do not, for example, + # want the default "int main()" that AC_LANG_PROGRAM() generates, + # as it will generate a warning with -Wold-style-definition, meaning + # that we would treat it as not working, as the test will fail if + # *any* error output, including a warning due to the flag we're + # testing, is generated; see + # + # https://www.postgresql.org/message-id/2192993.1591682589%40sss.pgh.pa.us + # https://www.postgresql.org/message-id/2192993.1591682589%40sss.pgh.pa.us + # + # This may, as per those two messages, be fixed in autoconf 2.70, + # but we only require 2.69 or newer for now. + # + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(void) { return 0; } +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + can_add_to_cflags=yes + # + # The compile supports this; do we have some C code for + # which the warning should *not* appear? + # We test the fourth argument because the third argument + # could contain quotes, breaking the test. + # + if test "x" != "x" + then + CFLAGS="$CFLAGS $ac_lbl_cc_force_warning_errors" + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether -fvisibility=hidden " >&5 +printf %s "checking whether -fvisibility=hidden ... " >&6; } + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + + # + # Not a problem. + # + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + +else $as_nop + + # + # A problem. + # + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + can_add_to_cflags=no + +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + fi + CFLAGS="$save_CFLAGS" + if test x"$can_add_to_cflags" = "xyes" + then + V_CCOPT="$V_CCOPT -fvisibility=hidden" + fi + +else $as_nop + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + CFLAGS="$save_CFLAGS" + +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + ac_c_werror_flag="$save_ac_c_werror_flag" + + ;; + + hpux*) + # + # HP C, which is what we presume we're using, doesn't + # exit with a non-zero exit status if we hand it an + # invalid -W flag, can't be forced to do so even with + # +We, and doesn't handle GCC-style -W flags, so we + # don't want to try using GCC-style -W flags. + # + ac_lbl_cc_dont_try_gcc_dashW=yes + ;; + + irix*) + # + # MIPS C, which is what we presume we're using, doesn't + # necessarily exit with a non-zero exit status if we + # hand it an invalid -W flag, can't be forced to do + # so, and doesn't handle GCC-style -W flags, so we + # don't want to try using GCC-style -W flags. + # + ac_lbl_cc_dont_try_gcc_dashW=yes + # + # It also, apparently, defaults to "char" being + # unsigned, unlike most other C implementations; + # I suppose we could say "signed char" whenever + # we want to guarantee a signed "char", but let's + # just force signed chars. + # + # -xansi is normally the default, but the + # configure script was setting it; perhaps -cckr + # was the default in the Old Days. (Then again, + # that would probably be for backwards compatibility + # in the days when ANSI C was Shiny and New, i.e. + # 1989 and the early '90's, so maybe we can just + # drop support for those compilers.) + # + # -g is equivalent to -g2, which turns off + # optimization; we choose -g3, which generates + # debugging information but doesn't turn off + # optimization (even if the optimization would + # cause inaccuracies in debugging). + # + V_CCOPT="$V_CCOPT -xansi -signed -g3" + ;; + + osf*) + # + # Presumed to be DEC OSF/1, Digital UNIX, or + # Tru64 UNIX. + # + # The DEC C compiler, which is what we presume we're + # using, doesn't exit with a non-zero exit status if we + # hand it an invalid -W flag, can't be forced to do + # so, and doesn't handle GCC-style -W flags, so we + # don't want to try using GCC-style -W flags. + # + ac_lbl_cc_dont_try_gcc_dashW=yes + # + # -g is equivalent to -g2, which turns off + # optimization; we choose -g3, which generates + # debugging information but doesn't turn off + # optimization (even if the optimization would + # cause inaccuracies in debugging). + # + V_CCOPT="$V_CCOPT -g3" + ;; + + solaris*) + # + # Assumed to be Sun C, which requires -errwarn to force + # warnings to be treated as errors. + # + ac_lbl_cc_force_warning_errors=-errwarn + + # + # Try to have the compiler default to hiding symbols, + # so that only symbols explicitly exported with + # PCAP_API will be visible outside (shared) libraries. + # + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -xldscope=hidden option" >&5 +printf %s "checking whether the compiler supports the -xldscope=hidden option... " >&6; } + save_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS -xldscope=hidden" + # + # XXX - yes, this depends on the way AC_LANG_WERROR works, + # but no mechanism is provided to turn AC_LANG_WERROR on + # *and then turn it back off*, so that we *only* do it when + # testing compiler options - 15 years after somebody asked + # for it: + # + # https://autoconf.gnu.narkive.com/gTAVmfKD/how-to-cancel-flags-set-by-ac-lang-werror + # + save_ac_c_werror_flag="$ac_c_werror_flag" + ac_c_werror_flag=yes + # + # We use AC_LANG_SOURCE() so that we can control the complete + # content of the program being compiled. We do not, for example, + # want the default "int main()" that AC_LANG_PROGRAM() generates, + # as it will generate a warning with -Wold-style-definition, meaning + # that we would treat it as not working, as the test will fail if + # *any* error output, including a warning due to the flag we're + # testing, is generated; see + # + # https://www.postgresql.org/message-id/2192993.1591682589%40sss.pgh.pa.us + # https://www.postgresql.org/message-id/2192993.1591682589%40sss.pgh.pa.us + # + # This may, as per those two messages, be fixed in autoconf 2.70, + # but we only require 2.69 or newer for now. + # + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(void) { return 0; } +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + can_add_to_cflags=yes + # + # The compile supports this; do we have some C code for + # which the warning should *not* appear? + # We test the fourth argument because the third argument + # could contain quotes, breaking the test. + # + if test "x" != "x" + then + CFLAGS="$CFLAGS $ac_lbl_cc_force_warning_errors" + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether -xldscope=hidden " >&5 +printf %s "checking whether -xldscope=hidden ... " >&6; } + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + + # + # Not a problem. + # + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + +else $as_nop + + # + # A problem. + # + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + can_add_to_cflags=no + +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + fi + CFLAGS="$save_CFLAGS" + if test x"$can_add_to_cflags" = "xyes" + then + V_CCOPT="$V_CCOPT -xldscope=hidden" + fi + +else $as_nop + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + CFLAGS="$save_CFLAGS" + +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + ac_c_werror_flag="$save_ac_c_werror_flag" + + ;; + + ultrix*) + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking that Ultrix $CC hacks const in prototypes" >&5 +printf %s "checking that Ultrix $CC hacks const in prototypes... " >&6; } + if test ${ac_cv_lbl_cc_const_proto+y} +then : + printf %s "(cached) " >&6 +else $as_nop + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include <sys/types.h> +int +main (void) +{ +struct a { int b; }; + void c(const struct a *) + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + ac_cv_lbl_cc_const_proto=yes +else $as_nop + ac_cv_lbl_cc_const_proto=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext +fi + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lbl_cc_const_proto" >&5 +printf "%s\n" "$ac_cv_lbl_cc_const_proto" >&6; } + if test $ac_cv_lbl_cc_const_proto = no ; then + +printf "%s\n" "#define const /**/" >>confdefs.h + + fi + ;; + esac + V_CCOPT="$V_CCOPT -O" + fi + + + if test "$GCC" = yes ; then + # + # On platforms where we build a shared library: + # + # add options to generate position-independent code, + # if necessary (it's the default in AIX and Darwin/macOS); + # + # define option to set the soname of the shared library, + # if the OS supports that; + # + # add options to specify, at link time, a directory to + # add to the run-time search path, if that's necessary. + # + V_SHLIB_CMD="\$(CC)" + V_SHLIB_OPT="-shared" + case "$host_os" in + + aix*) + ;; + + freebsd*|netbsd*|openbsd*|dragonfly*|linux*|osf*|haiku*|midipix*) + # + # Platforms where the C compiler is GCC or accepts + # compatible command-line arguments, and the linker + # is the GNU linker or accepts compatible command-line + # arguments. + # + # Some instruction sets require -fPIC on some + # operating systems. Check for them. If you + # have a combination that requires it, add it + # here. + # + PIC_OPT=-fpic + case "$host_cpu" in + + sparc64*) + case "$host_os" in + + freebsd*|openbsd*|linux*) + PIC_OPT=-fPIC + ;; + esac + ;; + esac + V_SHLIB_CCOPT="$V_SHLIB_CCOPT $PIC_OPT" + V_SONAME_OPT="-Wl,-soname," + ;; + + hpux*) + V_SHLIB_CCOPT="$V_SHLIB_CCOPT -fpic" + # + # XXX - this assumes GCC is using the HP linker, + # rather than the GNU linker, and that the "+h" + # option is used on all HP-UX platforms, both .sl + # and .so. + # + V_SONAME_OPT="-Wl,+h," + # + # By default, directories specified with -L + # are added to the run-time search path, so + # we don't add them in pcap-config. + # + ;; + + solaris*) + V_SHLIB_CCOPT="$V_SHLIB_CCOPT -fpic" + # + # Sun/Oracle's C compiler, GCC, and GCC-compatible + # compilers support -Wl,{comma-separated list of options}, + # and we use the C compiler, not ld, for all linking, + # including linking to produce a shared library. + # + V_SONAME_OPT="-Wl,-h," + ;; + esac + else + # + # Set the appropriate compiler flags and, on platforms + # where we build a shared library: + # + # add options to generate position-independent code, + # if necessary (it's the default in Darwin/macOS); + # + # if we generate ".so" shared libraries, define the + # appropriate options for building the shared library; + # + # add options to specify, at link time, a directory to + # add to the run-time search path, if that's necessary. + # + # Note: spaces after V_SONAME_OPT are significant; on + # some platforms the soname is passed with a GCC-like + # "-Wl,-soname,{soname}" option, with the soname part + # of the option, while on other platforms the C compiler + # driver takes it as a regular option with the soname + # following the option. + # + case "$host_os" in + + aix*) + V_SHLIB_CMD="\$(CC)" + V_SHLIB_OPT="-G -bnoentry -bexpall" + ;; + + freebsd*|netbsd*|openbsd*|dragonfly*|linux*) + # + # Platforms where the C compiler is GCC or accepts + # compatible command-line arguments, and the linker + # is the GNU linker or accepts compatible command-line + # arguments. + # + # XXX - does 64-bit SPARC require -fPIC? + # + V_SHLIB_CCOPT="$V_SHLIB_CCOPT -fpic" + V_SHLIB_CMD="\$(CC)" + V_SHLIB_OPT="-shared" + V_SONAME_OPT="-Wl,-soname," + ;; + + hpux*) + V_SHLIB_CCOPT="$V_SHLIB_CCOPT +z" + V_SHLIB_CMD="\$(LD)" + V_SHLIB_OPT="-b" + V_SONAME_OPT="+h " + # + # By default, directories specified with -L + # are added to the run-time search path, so + # we don't add them in pcap-config. + # + ;; + + osf*) + # + # Presumed to be DEC OSF/1, Digital UNIX, or + # Tru64 UNIX. + # + V_SHLIB_CMD="\$(CC)" + V_SHLIB_OPT="-shared" + V_SONAME_OPT="-soname " + ;; + + solaris*) + V_SHLIB_CCOPT="$V_SHLIB_CCOPT -Kpic" + V_SHLIB_CMD="\$(CC)" + V_SHLIB_OPT="-G" + # + # Sun/Oracle's C compiler, GCC, and GCC-compatible + # compilers support -Wl,{comma-separated list of options}, + # and we use the C compiler, not ld, for all linking, + # including linking to produce a shared library. + # + V_SONAME_OPT="-Wl,-h," + ;; + esac + fi + +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for inline" >&5 +printf %s "checking for inline... " >&6; } + save_CFLAGS="$CFLAGS" + CFLAGS="$V_CCOPT" + if test ${ac_cv_lbl_inline+y} +then : + printf %s "(cached) " >&6 +else $as_nop + + ac_cv_lbl_inline="" + ac_lbl_cc_inline=no + for ac_lbl_inline in inline __inline__ __inline + do + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#define inline $ac_lbl_inline + static inline struct iltest *foo(void); + struct iltest { + int iltest1; + int iltest2; + }; + + static inline struct iltest * + foo() + { + static struct iltest xxx; + + return &xxx; + } +int +main (void) +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + ac_lbl_cc_inline=yes +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + if test "$ac_lbl_cc_inline" = yes ; then + break; + fi + done + if test "$ac_lbl_cc_inline" = yes ; then + ac_cv_lbl_inline=$ac_lbl_inline + fi +fi + + CFLAGS="$save_CFLAGS" + if test ! -z "$ac_cv_lbl_inline" ; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lbl_inline" >&5 +printf "%s\n" "$ac_cv_lbl_inline" >&6; } + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + fi + +printf "%s\n" "#define inline $ac_cv_lbl_inline" >>confdefs.h + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for __atomic_load_n" >&5 +printf %s "checking for __atomic_load_n... " >&6; } + if test ${ac_cv_have___atomic_load_n+y} +then : + printf %s "(cached) " >&6 +else $as_nop + +# ac_fn_c_try_link LINENO +# ----------------------- +# Try to link conftest.$ac_ext, and return whether this succeeded. +ac_fn_c_try_link () +{ + as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + rm -f conftest.$ac_objext conftest.beam conftest$ac_exeext + if { { ac_try="$ac_link" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +printf "%s\n" "$ac_try_echo"; } >&5 + (eval "$ac_link") 2>conftest.err + ac_status=$? + if test -s conftest.err; then + grep -v '^ *+' conftest.err >conftest.er1 + cat conftest.er1 >&5 + mv -f conftest.er1 conftest.err + fi + printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } && { + test -z "$ac_c_werror_flag" || + test ! -s conftest.err + } && test -s conftest$ac_exeext && { + test "$cross_compiling" = yes || + test -x conftest$ac_exeext + } +then : + ac_retval=0 +else $as_nop + printf "%s\n" "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + ac_retval=1 +fi + # Delete the IPA/IPO (Inter Procedural Analysis/Optimization) information + # created by the PGI compiler (conftest_ipa8_conftest.oo), as it would + # interfere with the next link command; also delete a directory that is + # left behind by Apple's compiler. We do this before executing the actions. + rm -rf conftest.dSYM conftest_ipa8_conftest.oo + eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno + as_fn_set_status $ac_retval + +} # ac_fn_c_try_link +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main (void) +{ + + int i = 17; + int j; + j = __atomic_load_n(&i, __ATOMIC_RELAXED); + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO" +then : + ac_have___atomic_load_n=yes +else $as_nop + ac_have___atomic_load_n=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam \ + conftest$ac_exeext conftest.$ac_ext +fi + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_have___atomic_load_n" >&5 +printf "%s\n" "$ac_have___atomic_load_n" >&6; } + if test $ac_have___atomic_load_n = yes ; then + +printf "%s\n" "#define HAVE___ATOMIC_LOAD_N 1" >>confdefs.h + + fi + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for __atomic_store_n" >&5 +printf %s "checking for __atomic_store_n... " >&6; } + if test ${ac_cv_have___atomic_store_n+y} +then : + printf %s "(cached) " >&6 +else $as_nop + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main (void) +{ + + int i; + __atomic_store_n(&i, 17, __ATOMIC_RELAXED); + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO" +then : + ac_have___atomic_store_n=yes +else $as_nop + ac_have___atomic_store_n=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam \ + conftest$ac_exeext conftest.$ac_ext +fi + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_have___atomic_store_n" >&5 +printf "%s\n" "$ac_have___atomic_store_n" >&6; } + if test $ac_have___atomic_store_n = yes ; then + +printf "%s\n" "#define HAVE___ATOMIC_STORE_N 1" >>confdefs.h + + fi + +# +# Try to arrange for large file support. +# +# Check whether --enable-largefile was given. +if test ${enable_largefile+y} +then : + enableval=$enable_largefile; +fi + +if test "$enable_largefile" != no; then + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for special C compiler options needed for large files" >&5 +printf %s "checking for special C compiler options needed for large files... " >&6; } +if test ${ac_cv_sys_largefile_CC+y} +then : + printf %s "(cached) " >&6 +else $as_nop + ac_cv_sys_largefile_CC=no + if test "$GCC" != yes; then + ac_save_CC=$CC + while :; do + # IRIX 6.2 and later do not support large files by default, + # so use the C compiler's -n32 option if that helps. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include <sys/types.h> + /* Check that off_t can represent 2**63 - 1 correctly. + We can't simply define LARGE_OFF_T to be 9223372036854775807, + since some C++ compilers masquerading as C compilers + incorrectly reject 9223372036854775807. */ +#define LARGE_OFF_T (((off_t) 1 << 31 << 31) - 1 + ((off_t) 1 << 31 << 31)) + int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721 + && LARGE_OFF_T % 2147483647 == 1) + ? 1 : -1]; +int +main (void) +{ + + ; + return 0; +} +_ACEOF + if ac_fn_c_try_compile "$LINENO" +then : + break +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam + CC="$CC -n32" + if ac_fn_c_try_compile "$LINENO" +then : + ac_cv_sys_largefile_CC=' -n32'; break +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam + break + done + CC=$ac_save_CC + rm -f conftest.$ac_ext + fi +fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sys_largefile_CC" >&5 +printf "%s\n" "$ac_cv_sys_largefile_CC" >&6; } + if test "$ac_cv_sys_largefile_CC" != no; then + CC=$CC$ac_cv_sys_largefile_CC + fi + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for _FILE_OFFSET_BITS value needed for large files" >&5 +printf %s "checking for _FILE_OFFSET_BITS value needed for large files... " >&6; } +if test ${ac_cv_sys_file_offset_bits+y} +then : + printf %s "(cached) " >&6 +else $as_nop + while :; do + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include <sys/types.h> + /* Check that off_t can represent 2**63 - 1 correctly. + We can't simply define LARGE_OFF_T to be 9223372036854775807, + since some C++ compilers masquerading as C compilers + incorrectly reject 9223372036854775807. */ +#define LARGE_OFF_T (((off_t) 1 << 31 << 31) - 1 + ((off_t) 1 << 31 << 31)) + int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721 + && LARGE_OFF_T % 2147483647 == 1) + ? 1 : -1]; +int +main (void) +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + ac_cv_sys_file_offset_bits=no; break +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#define _FILE_OFFSET_BITS 64 +#include <sys/types.h> + /* Check that off_t can represent 2**63 - 1 correctly. + We can't simply define LARGE_OFF_T to be 9223372036854775807, + since some C++ compilers masquerading as C compilers + incorrectly reject 9223372036854775807. */ +#define LARGE_OFF_T (((off_t) 1 << 31 << 31) - 1 + ((off_t) 1 << 31 << 31)) + int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721 + && LARGE_OFF_T % 2147483647 == 1) + ? 1 : -1]; +int +main (void) +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + ac_cv_sys_file_offset_bits=64; break +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + ac_cv_sys_file_offset_bits=unknown + break +done +fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sys_file_offset_bits" >&5 +printf "%s\n" "$ac_cv_sys_file_offset_bits" >&6; } +case $ac_cv_sys_file_offset_bits in #( + no | unknown) ;; + *) +printf "%s\n" "#define _FILE_OFFSET_BITS $ac_cv_sys_file_offset_bits" >>confdefs.h +;; +esac +rm -rf conftest* + if test $ac_cv_sys_file_offset_bits = unknown; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for _LARGE_FILES value needed for large files" >&5 +printf %s "checking for _LARGE_FILES value needed for large files... " >&6; } +if test ${ac_cv_sys_large_files+y} +then : + printf %s "(cached) " >&6 +else $as_nop + while :; do + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include <sys/types.h> + /* Check that off_t can represent 2**63 - 1 correctly. + We can't simply define LARGE_OFF_T to be 9223372036854775807, + since some C++ compilers masquerading as C compilers + incorrectly reject 9223372036854775807. */ +#define LARGE_OFF_T (((off_t) 1 << 31 << 31) - 1 + ((off_t) 1 << 31 << 31)) + int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721 + && LARGE_OFF_T % 2147483647 == 1) + ? 1 : -1]; +int +main (void) +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + ac_cv_sys_large_files=no; break +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#define _LARGE_FILES 1 +#include <sys/types.h> + /* Check that off_t can represent 2**63 - 1 correctly. + We can't simply define LARGE_OFF_T to be 9223372036854775807, + since some C++ compilers masquerading as C compilers + incorrectly reject 9223372036854775807. */ +#define LARGE_OFF_T (((off_t) 1 << 31 << 31) - 1 + ((off_t) 1 << 31 << 31)) + int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721 + && LARGE_OFF_T % 2147483647 == 1) + ? 1 : -1]; +int +main (void) +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + ac_cv_sys_large_files=1; break +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + ac_cv_sys_large_files=unknown + break +done +fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sys_large_files" >&5 +printf "%s\n" "$ac_cv_sys_large_files" >&6; } +case $ac_cv_sys_large_files in #( + no | unknown) ;; + *) +printf "%s\n" "#define _LARGE_FILES $ac_cv_sys_large_files" >>confdefs.h +;; +esac +rm -rf conftest* + fi +fi + +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for _LARGEFILE_SOURCE value needed for large files" >&5 +printf %s "checking for _LARGEFILE_SOURCE value needed for large files... " >&6; } +if test ${ac_cv_sys_largefile_source+y} +then : + printf %s "(cached) " >&6 +else $as_nop + while :; do + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include <sys/types.h> /* for off_t */ + #include <stdio.h> +int +main (void) +{ +int (*fp) (FILE *, off_t, int) = fseeko; + return fseeko (stdin, 0, 0) && fp (stdin, 0, 0); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO" +then : + ac_cv_sys_largefile_source=no; break +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam \ + conftest$ac_exeext conftest.$ac_ext + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#define _LARGEFILE_SOURCE 1 +#include <sys/types.h> /* for off_t */ + #include <stdio.h> +int +main (void) +{ +int (*fp) (FILE *, off_t, int) = fseeko; + return fseeko (stdin, 0, 0) && fp (stdin, 0, 0); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO" +then : + ac_cv_sys_largefile_source=1; break +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam \ + conftest$ac_exeext conftest.$ac_ext + ac_cv_sys_largefile_source=unknown + break +done +fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sys_largefile_source" >&5 +printf "%s\n" "$ac_cv_sys_largefile_source" >&6; } +case $ac_cv_sys_largefile_source in #( + no | unknown) ;; + *) +printf "%s\n" "#define _LARGEFILE_SOURCE $ac_cv_sys_largefile_source" >>confdefs.h +;; +esac +rm -rf conftest* + +# We used to try defining _XOPEN_SOURCE=500 too, to work around a bug +# in glibc 2.1.3, but that breaks too many other things. +# If you want fseeko and ftello with glibc, upgrade to a fixed glibc. +if test $ac_cv_sys_largefile_source != unknown; then + +printf "%s\n" "#define HAVE_FSEEKO 1" >>confdefs.h + +fi + + +ac_fn_c_check_header_compile "$LINENO" "sys/ioccom.h" "ac_cv_header_sys_ioccom_h" "$ac_includes_default" +if test "x$ac_cv_header_sys_ioccom_h" = xyes +then : + printf "%s\n" "#define HAVE_SYS_IOCCOM_H 1" >>confdefs.h + +fi +ac_fn_c_check_header_compile "$LINENO" "sys/sockio.h" "ac_cv_header_sys_sockio_h" "$ac_includes_default" +if test "x$ac_cv_header_sys_sockio_h" = xyes +then : + printf "%s\n" "#define HAVE_SYS_SOCKIO_H 1" >>confdefs.h + +fi + +ac_fn_c_check_header_compile "$LINENO" "netpacket/packet.h" "ac_cv_header_netpacket_packet_h" "$ac_includes_default" +if test "x$ac_cv_header_netpacket_packet_h" = xyes +then : + printf "%s\n" "#define HAVE_NETPACKET_PACKET_H 1" >>confdefs.h + +fi + + +# +# Check whether the platform for which we're compiling requires extra +# defines and libraries. If so, add them to CFLAGS and LIBS, as we want +# all subsequent tests to be done with those defines and libraries. +# +case "$host_os" in +haiku*) + # + # Haiku needs _BSD_SOURCE for the _IO* macros because it doesn't + # use them. + # + CFLAGS="$CFLAGS -D_BSD_SOURCE" + # + # Haiku has getpass in libbsd. + # + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for getpass in -lbsd" >&5 +printf %s "checking for getpass in -lbsd... " >&6; } +if test ${ac_cv_lib_bsd_getpass+y} +then : + printf %s "(cached) " >&6 +else $as_nop + ac_check_lib_save_LIBS=$LIBS +LIBS="-lbsd $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +char getpass (); +int +main (void) +{ +return getpass (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO" +then : + ac_cv_lib_bsd_getpass=yes +else $as_nop + ac_cv_lib_bsd_getpass=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_bsd_getpass" >&5 +printf "%s\n" "$ac_cv_lib_bsd_getpass" >&6; } +if test "x$ac_cv_lib_bsd_getpass" = xyes +then : + printf "%s\n" "#define HAVE_LIBBSD 1" >>confdefs.h + + LIBS="-lbsd $LIBS" + +fi + + ;; +esac + + + save_CFLAGS="$CFLAGS" + save_LIBS="$LIBS" + save_LDFLAGS="$LDFLAGS" + +if test "$GCC" = yes ; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for ANSI ioctl definitions" >&5 +printf %s "checking for ANSI ioctl definitions... " >&6; } + if test ${ac_cv_lbl_gcc_fixincludes+y} +then : + printf %s "(cached) " >&6 +else $as_nop + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +/* + * This generates a "duplicate case value" when fixincludes + * has not be run. + */ +# include <sys/types.h> +# include <sys/time.h> +# include <sys/ioctl.h> +# ifdef HAVE_SYS_IOCCOM_H +# include <sys/ioccom.h> +# endif +int +main (void) +{ +switch (0) { + case _IO('A', 1):; + case _IO('B', 1):; + } + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + ac_cv_lbl_gcc_fixincludes=yes +else $as_nop + ac_cv_lbl_gcc_fixincludes=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext +fi + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lbl_gcc_fixincludes" >&5 +printf "%s\n" "$ac_cv_lbl_gcc_fixincludes" >&6; } + if test $ac_cv_lbl_gcc_fixincludes = no ; then + # Don't cache failure + unset ac_cv_lbl_gcc_fixincludes + as_fn_error $? "see the INSTALL for more info" "$LINENO" 5 + fi + fi + + CFLAGS="$save_CFLAGS" + LIBS="$save_LIBS" + LDFLAGS="$save_LDFLAGS" + + +ac_fn_c_check_func "$LINENO" "strerror_r" "ac_cv_func_strerror_r" +if test "x$ac_cv_func_strerror_r" = xyes +then : + + # + # We have strerror_r; if we define _GNU_SOURCE, is it a + # POSIX-compliant strerror_r() or a GNU strerror_r()? + # + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether strerror_r is GNU-style" >&5 +printf %s "checking whether strerror_r is GNU-style... " >&6; } + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + + #define _GNU_SOURCE +#include <string.h> + +/* Define it GNU-style; that will cause an error if it's not GNU-style */ +extern char *strerror_r(int, char *, size_t); + +int +main(void) +{ + return 0; +} + + +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + + # GNU-style + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + +printf "%s\n" "#define HAVE_GNU_STRERROR_R /**/" >>confdefs.h + + +else $as_nop + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + +printf "%s\n" "#define HAVE_POSIX_STRERROR_R /**/" >>confdefs.h + + +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + +else $as_nop + + # + # We don't have strerror_r; do we have _wcserror_s? + # + ac_fn_c_check_func "$LINENO" "_wcserror_s" "ac_cv_func__wcserror_s" +if test "x$ac_cv_func__wcserror_s" = xyes +then : + printf "%s\n" "#define HAVE__WCSERROR_S 1" >>confdefs.h + +fi + + +fi + + +# +# Thanks, IBM, for not providing vsyslog() in AIX! +# +ac_fn_c_check_func "$LINENO" "vsyslog" "ac_cv_func_vsyslog" +if test "x$ac_cv_func_vsyslog" = xyes +then : + printf "%s\n" "#define HAVE_VSYSLOG 1" >>confdefs.h + +fi + + +# +# Make sure we have vsnprintf() and snprintf(); we require them. +# +ac_fn_c_check_func "$LINENO" "vsnprintf" "ac_cv_func_vsnprintf" +if test "x$ac_cv_func_vsnprintf" = xyes +then : + +else $as_nop + as_fn_error $? "vsnprintf() is required but wasn't found" "$LINENO" 5 +fi + +ac_fn_c_check_func "$LINENO" "snprintf" "ac_cv_func_snprintf" +if test "x$ac_cv_func_snprintf" = xyes +then : + +else $as_nop + as_fn_error $? "snprintf() is required but wasn't found" "$LINENO" 5 +fi + + +needasprintf=no + + for ac_func in vasprintf asprintf +do : + as_ac_var=`printf "%s\n" "ac_cv_func_$ac_func" | $as_tr_sh` +ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var" +if eval test \"x\$"$as_ac_var"\" = x"yes" +then : + cat >>confdefs.h <<_ACEOF +#define `printf "%s\n" "HAVE_$ac_func" | $as_tr_cpp` 1 +_ACEOF + +else $as_nop + needasprintf=yes +fi + +done +if test $needasprintf = yes; then + case " $LIBOBJS " in + *" asprintf.$ac_objext "* ) ;; + *) LIBOBJS="$LIBOBJS asprintf.$ac_objext" + ;; +esac + +fi + +needstrlcat=no + + for ac_func in strlcat +do : + ac_fn_c_check_func "$LINENO" "strlcat" "ac_cv_func_strlcat" +if test "x$ac_cv_func_strlcat" = xyes +then : + printf "%s\n" "#define HAVE_STRLCAT 1" >>confdefs.h + +else $as_nop + needstrlcat=yes +fi + +done +if test $needstrlcat = yes; then + case " $LIBOBJS " in + *" strlcat.$ac_objext "* ) ;; + *) LIBOBJS="$LIBOBJS strlcat.$ac_objext" + ;; +esac + +fi + +needstrlcpy=no + + for ac_func in strlcpy +do : + ac_fn_c_check_func "$LINENO" "strlcpy" "ac_cv_func_strlcpy" +if test "x$ac_cv_func_strlcpy" = xyes +then : + printf "%s\n" "#define HAVE_STRLCPY 1" >>confdefs.h + +else $as_nop + needstrlcpy=yes +fi + +done +if test $needstrlcpy = yes; then + case " $LIBOBJS " in + *" strlcpy.$ac_objext "* ) ;; + *) LIBOBJS="$LIBOBJS strlcpy.$ac_objext" + ;; +esac + +fi + +needstrtok_r=no + + for ac_func in strtok_r +do : + ac_fn_c_check_func "$LINENO" "strtok_r" "ac_cv_func_strtok_r" +if test "x$ac_cv_func_strtok_r" = xyes +then : + printf "%s\n" "#define HAVE_STRTOK_R 1" >>confdefs.h + +else $as_nop + needstrtok_r=yes +fi + +done +if test $needstrtok_r = yes; then + case " $LIBOBJS " in + *" strtok_r.$ac_objext "* ) ;; + *) LIBOBJS="$LIBOBJS strtok_r.$ac_objext" + ;; +esac + +fi + +# +# Do we have ffs(), and is it declared in <strings.h>? +# +ac_fn_c_check_func "$LINENO" "ffs" "ac_cv_func_ffs" +if test "x$ac_cv_func_ffs" = xyes +then : + printf "%s\n" "#define HAVE_FFS 1" >>confdefs.h + +fi + +if test "$ac_cv_func_ffs" = yes; then + # + # We have ffs(); is it declared in <strings.h>? + # + # This test fails if we don't have <strings.h> or if we do + # but it doesn't declare ffs(). + # + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $CC options needed to detect all undeclared functions" >&5 +printf %s "checking for $CC options needed to detect all undeclared functions... " >&6; } +if test ${ac_cv_c_undeclared_builtin_options+y} +then : + printf %s "(cached) " >&6 +else $as_nop + ac_save_CFLAGS=$CFLAGS + ac_cv_c_undeclared_builtin_options='cannot detect' + for ac_arg in '' -fno-builtin; do + CFLAGS="$ac_save_CFLAGS $ac_arg" + # This test program should *not* compile successfully. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main (void) +{ +(void) strchr; + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + +else $as_nop + # This test program should compile successfully. + # No library function is consistently available on + # freestanding implementations, so test against a dummy + # declaration. Include always-available headers on the + # off chance that they somehow elicit warnings. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include <float.h> +#include <limits.h> +#include <stdarg.h> +#include <stddef.h> +extern void ac_decl (int, char *); + +int +main (void) +{ +(void) ac_decl (0, (char *) 0); + (void) ac_decl; + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + if test x"$ac_arg" = x +then : + ac_cv_c_undeclared_builtin_options='none needed' +else $as_nop + ac_cv_c_undeclared_builtin_options=$ac_arg +fi + break +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + done + CFLAGS=$ac_save_CFLAGS + +fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_undeclared_builtin_options" >&5 +printf "%s\n" "$ac_cv_c_undeclared_builtin_options" >&6; } + case $ac_cv_c_undeclared_builtin_options in #( + 'cannot detect') : + { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "cannot make $CC report undeclared builtins +See \`config.log' for more details" "$LINENO" 5; } ;; #( + 'none needed') : + ac_c_undeclared_builtin_options='' ;; #( + *) : + ac_c_undeclared_builtin_options=$ac_cv_c_undeclared_builtin_options ;; +esac + +ac_fn_check_decl "$LINENO" "ffs" "ac_cv_have_decl_ffs" " +#include <strings.h> + +" "$ac_c_undeclared_builtin_options" "CFLAGS" +if test "x$ac_cv_have_decl_ffs" = xyes +then : + + +printf "%s\n" "#define STRINGS_H_DECLARES_FFS /**/" >>confdefs.h + + +fi +fi + +# +# Do this before checking for ether_hostton(), as it's a +# "getaddrinfo()-ish function". +# + + # + # Most operating systems have getaddrinfo(), and the other routines + # we may need, in the default searched libraries (e.g., libc). + # Check there first. + # + ac_fn_c_check_func "$LINENO" "getaddrinfo" "ac_cv_func_getaddrinfo" +if test "x$ac_cv_func_getaddrinfo" = xyes +then : + +else $as_nop + + # + # Not found in the standard system libraries. + # + # In some versions of Solaris, we need to link with libsocket + # and libnsl, so check in libsocket and also link with liblnsl + # when doing this test. + # + # Linking with libsocket and libnsl will find all the routines + # we need. + # + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for getaddrinfo in -lsocket" >&5 +printf %s "checking for getaddrinfo in -lsocket... " >&6; } +if test ${ac_cv_lib_socket_getaddrinfo+y} +then : + printf %s "(cached) " >&6 +else $as_nop + ac_check_lib_save_LIBS=$LIBS +LIBS="-lsocket -lnsl $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +char getaddrinfo (); +int +main (void) +{ +return getaddrinfo (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO" +then : + ac_cv_lib_socket_getaddrinfo=yes +else $as_nop + ac_cv_lib_socket_getaddrinfo=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_socket_getaddrinfo" >&5 +printf "%s\n" "$ac_cv_lib_socket_getaddrinfo" >&6; } +if test "x$ac_cv_lib_socket_getaddrinfo" = xyes +then : + + # + # OK, we found it in libsocket. + # + LIBS="-lsocket -lnsl $LIBS" + +else $as_nop + + # + # Not found in libsocket; test for it in libnetwork, which + # is where it is in Haiku. + # + # Linking with libnetwork will find all the routines we + # need. + # + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for getaddrinfo in -lnetwork" >&5 +printf %s "checking for getaddrinfo in -lnetwork... " >&6; } +if test ${ac_cv_lib_network_getaddrinfo+y} +then : + printf %s "(cached) " >&6 +else $as_nop + ac_check_lib_save_LIBS=$LIBS +LIBS="-lnetwork $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +char getaddrinfo (); +int +main (void) +{ +return getaddrinfo (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO" +then : + ac_cv_lib_network_getaddrinfo=yes +else $as_nop + ac_cv_lib_network_getaddrinfo=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_network_getaddrinfo" >&5 +printf "%s\n" "$ac_cv_lib_network_getaddrinfo" >&6; } +if test "x$ac_cv_lib_network_getaddrinfo" = xyes +then : + + # + # OK, we found it in libnetwork. + # + LIBS="-lnetwork $LIBS" + +else $as_nop + + # + # We didn't find it. + # + as_fn_error $? "getaddrinfo is required, but wasn't found" "$LINENO" 5 + +fi + + +fi + + + # + # We require a version of recvmsg() that conforms to the Single + # UNIX Specification, so that we can check whether a datagram + # received with recvmsg() was truncated when received due to the + # buffer being too small. + # + # On most systems, the version of recvmsg() in the libraries + # found above conforms to the SUS. + # + # On at least some versions of Solaris, it does not conform to + # the SUS, and we need the version in libxnet, which does + # conform. + # + # Check whether libxnet exists and has a version of recvmsg(); + # if it does, link with libxnet before we link with libsocket, + # to get that version. + # + # This test also links with libsocket and libnsl. + # + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for recvmsg in -lxnet" >&5 +printf %s "checking for recvmsg in -lxnet... " >&6; } +if test ${ac_cv_lib_xnet_recvmsg+y} +then : + printf %s "(cached) " >&6 +else $as_nop + ac_check_lib_save_LIBS=$LIBS +LIBS="-lxnet -lsocket -lnsl $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +char recvmsg (); +int +main (void) +{ +return recvmsg (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO" +then : + ac_cv_lib_xnet_recvmsg=yes +else $as_nop + ac_cv_lib_xnet_recvmsg=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_xnet_recvmsg" >&5 +printf "%s\n" "$ac_cv_lib_xnet_recvmsg" >&6; } +if test "x$ac_cv_lib_xnet_recvmsg" = xyes +then : + + # + # libxnet has recvmsg(); link with it as well. + # + LIBS="-lxnet $LIBS" + +fi + + +fi + + + # + # DLPI needs putmsg under HP-UX, so test for -lstr while we're at it. + # + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for library containing putmsg" >&5 +printf %s "checking for library containing putmsg... " >&6; } +if test ${ac_cv_search_putmsg+y} +then : + printf %s "(cached) " >&6 +else $as_nop + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +char putmsg (); +int +main (void) +{ +return putmsg (); + ; + return 0; +} +_ACEOF +for ac_lib in '' str +do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO" +then : + ac_cv_search_putmsg=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam \ + conftest$ac_exeext + if test ${ac_cv_search_putmsg+y} +then : + break +fi +done +if test ${ac_cv_search_putmsg+y} +then : + +else $as_nop + ac_cv_search_putmsg=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_putmsg" >&5 +printf "%s\n" "$ac_cv_search_putmsg" >&6; } +ac_res=$ac_cv_search_putmsg +if test "$ac_res" != no +then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + +fi + + + +# +# Check for reentrant versions of getnetbyname_r(), as provided by +# Linux (glibc), Solaris/IRIX, and AIX (with three different APIs!). +# If we don't find one, we just use getnetbyname(), which uses +# thread-specific data on many platforms, but doesn't use it on +# NetBSD or OpenBSD, and may not use it on older versions of other +# platforms. +# +# Only do the check if we have a declaration of getnetbyname_r(); +# without it, we can't check which API it has. (We assume that +# if there's a declaration, it has a prototype, so that the API +# can be checked.) +# +ac_fn_check_decl "$LINENO" "getnetbyname_r" "ac_cv_have_decl_getnetbyname_r" "#include <netdb.h> +" "$ac_c_undeclared_builtin_options" "CFLAGS" +if test "x$ac_cv_have_decl_getnetbyname_r" = xyes +then : + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for the Linux getnetbyname_r()" >&5 +printf %s "checking for the Linux getnetbyname_r()... " >&6; } + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include <netdb.h> +int +main (void) +{ + + struct netent netent_buf; + char buf[1024]; + struct netent *resultp; + int h_errnoval; + + return getnetbyname_r((const char *)0, &netent_buf, buf, sizeof buf, &resultp, &h_errnoval); + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO" +then : + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + +printf "%s\n" "#define HAVE_LINUX_GETNETBYNAME_R 1" >>confdefs.h + + +else $as_nop + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for Solaris/IRIX getnetbyname_r()" >&5 +printf %s "checking for Solaris/IRIX getnetbyname_r()... " >&6; } + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include <netdb.h> +int +main (void) +{ + + struct netent netent_buf; + char buf[1024]; + + return getnetbyname_r((const char *)0, &netent_buf, buf, (int)sizeof buf) != NULL; + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO" +then : + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + +printf "%s\n" "#define HAVE_SOLARIS_IRIX_GETNETBYNAME_R 1" >>confdefs.h + + +else $as_nop + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for AIX getnetbyname_r()" >&5 +printf %s "checking for AIX getnetbyname_r()... " >&6; } + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include <netdb.h> +int +main (void) +{ + + struct netent netent_buf; + struct netent_data net_data; + + return getnetbyname_r((const char *)0, &netent_buf, &net_data); + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO" +then : + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + +printf "%s\n" "#define HAVE_AIX_GETNETBYNAME_R 1" >>confdefs.h + + +else $as_nop + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam \ + conftest$ac_exeext conftest.$ac_ext + +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam \ + conftest$ac_exeext conftest.$ac_ext + +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam \ + conftest$ac_exeext conftest.$ac_ext + +fi + +# +# Check for reentrant versions of getprotobyname_r(), as provided by +# Linux (glibc), Solaris/IRIX, and AIX (with three different APIs!). +# If we don't find one, we just use getprotobyname(), which uses +# thread-specific data on many platforms, but doesn't use it on +# NetBSD or OpenBSD, and may not use it on older versions of other +# platforms. +# +# Only do the check if we have a declaration of getprotobyname_r(); +# without it, we can't check which API it has. (We assume that +# if there's a declaration, it has a prototype, so that the API +# can be checked.) +# +ac_fn_check_decl "$LINENO" "getprotobyname_r" "ac_cv_have_decl_getprotobyname_r" "#include <netdb.h> +" "$ac_c_undeclared_builtin_options" "CFLAGS" +if test "x$ac_cv_have_decl_getprotobyname_r" = xyes +then : + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for the Linux getprotobyname_r()" >&5 +printf %s "checking for the Linux getprotobyname_r()... " >&6; } + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include <netdb.h> +int +main (void) +{ + + struct protoent protoent_buf; + char buf[1024]; + struct protoent *resultp; + + return getprotobyname_r((const char *)0, &protoent_buf, buf, sizeof buf, &resultp); + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO" +then : + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + +printf "%s\n" "#define HAVE_LINUX_GETPROTOBYNAME_R 1" >>confdefs.h + + +else $as_nop + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for Solaris/IRIX getprotobyname_r()" >&5 +printf %s "checking for Solaris/IRIX getprotobyname_r()... " >&6; } + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include <netdb.h> +int +main (void) +{ + + struct protoent protoent_buf; + char buf[1024]; + + return getprotobyname_r((const char *)0, &protoent_buf, buf, (int)sizeof buf) != NULL; + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO" +then : + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + +printf "%s\n" "#define HAVE_SOLARIS_IRIX_GETPROTOBYNAME_R 1" >>confdefs.h + + +else $as_nop + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for AIX getprotobyname_r()" >&5 +printf %s "checking for AIX getprotobyname_r()... " >&6; } + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include <netdb.h> +int +main (void) +{ + + struct protoent protoent_buf; + struct protoent_data proto_data; + + return getprotobyname_r((const char *)0, &protoent_buf, &proto_data); + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO" +then : + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + +printf "%s\n" "#define HAVE_AIX_GETPROTOBYNAME_R 1" >>confdefs.h + + +else $as_nop + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam \ + conftest$ac_exeext conftest.$ac_ext + +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam \ + conftest$ac_exeext conftest.$ac_ext + +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam \ + conftest$ac_exeext conftest.$ac_ext + +fi + +# +# You are in a twisty little maze of UN*Xes, all different. +# Some might not have ether_hostton(). +# Some might have it and declare it in <net/ethernet.h>. +# Some might have it and declare it in <netinet/ether.h> +# Some might have it and declare it in <sys/ethernet.h>. +# Some might have it and declare it in <arpa/inet.h>. +# Some might have it and declare it in <netinet/if_ether.h>. +# Some might have it and not declare it in any header file. +# +# Before you is a C compiler. +# +ac_fn_c_check_func "$LINENO" "ether_hostton" "ac_cv_func_ether_hostton" +if test "x$ac_cv_func_ether_hostton" = xyes +then : + printf "%s\n" "#define HAVE_ETHER_HOSTTON 1" >>confdefs.h + +fi + +if test "$ac_cv_func_ether_hostton" = yes; then + # + # OK, we have ether_hostton(). Is it declared in <net/ethernet.h>? + # + # This test fails if we don't have <net/ethernet.h> or if we do + # but it doesn't declare ether_hostton(). + # + ac_fn_check_decl "$LINENO" "ether_hostton" "ac_cv_have_decl_ether_hostton" " +#include <net/ethernet.h> + +" "$ac_c_undeclared_builtin_options" "CFLAGS" +if test "x$ac_cv_have_decl_ether_hostton" = xyes +then : + + +printf "%s\n" "#define NET_ETHERNET_H_DECLARES_ETHER_HOSTTON /**/" >>confdefs.h + + +fi + # + # Did that succeed? + # + if test "$ac_cv_have_decl_ether_hostton" != yes; then + # + # No, how about <netinet/ether.h>, as on Linux? + # + # This test fails if we don't have <netinet/ether.h> + # or if we do but it doesn't declare ether_hostton(). + # + # Unset ac_cv_have_decl_ether_hostton so we don't + # treat the previous failure as a cached value and + # suppress the next test. + # + unset ac_cv_have_decl_ether_hostton + ac_fn_check_decl "$LINENO" "ether_hostton" "ac_cv_have_decl_ether_hostton" " +#include <netinet/ether.h> + +" "$ac_c_undeclared_builtin_options" "CFLAGS" +if test "x$ac_cv_have_decl_ether_hostton" = xyes +then : + + +printf "%s\n" "#define NETINET_ETHER_H_DECLARES_ETHER_HOSTTON /**/" >>confdefs.h + + +fi + fi + # + # Did that succeed? + # + if test "$ac_cv_have_decl_ether_hostton" != yes; then + # + # No, how about <sys/ethernet.h>, as on Solaris 10 + # and later? + # + # This test fails if we don't have <sys/ethernet.h> + # or if we do but it doesn't declare ether_hostton(). + # + # Unset ac_cv_have_decl_ether_hostton so we don't + # treat the previous failure as a cached value and + # suppress the next test. + # + unset ac_cv_have_decl_ether_hostton + ac_fn_check_decl "$LINENO" "ether_hostton" "ac_cv_have_decl_ether_hostton" " +#include <sys/ethernet.h> + +" "$ac_c_undeclared_builtin_options" "CFLAGS" +if test "x$ac_cv_have_decl_ether_hostton" = xyes +then : + + +printf "%s\n" "#define SYS_ETHERNET_H_DECLARES_ETHER_HOSTTON /**/" >>confdefs.h + + +fi + fi + # + # Did that succeed? + # + if test "$ac_cv_have_decl_ether_hostton" != yes; then + # + # No, how about <arpa/inet.h>, as in AIX? + # + # This test fails if we don't have <arpa/inet.h> + # (if we have ether_hostton(), we should have + # networking, and if we have networking, we should + # have <arpa/inet.h>) or if we do but it doesn't + # declare ether_hostton(). + # + # Unset ac_cv_have_decl_ether_hostton so we don't + # treat the previous failure as a cached value and + # suppress the next test. + # + unset ac_cv_have_decl_ether_hostton + ac_fn_check_decl "$LINENO" "ether_hostton" "ac_cv_have_decl_ether_hostton" " +#include <arpa/inet.h> + +" "$ac_c_undeclared_builtin_options" "CFLAGS" +if test "x$ac_cv_have_decl_ether_hostton" = xyes +then : + + +printf "%s\n" "#define ARPA_INET_H_DECLARES_ETHER_HOSTTON /**/" >>confdefs.h + + +fi + fi + # + # Did that succeed? + # + if test "$ac_cv_have_decl_ether_hostton" != yes; then + # + # No, how about <netinet/if_ether.h>? + # On some platforms, it requires <net/if.h> and + # <netinet/in.h>, and we always include it with + # both of them, so test it with both of them. + # + # This test fails if we don't have <netinet/if_ether.h> + # and the headers we include before it, or if we do but + # <netinet/if_ether.h> doesn't declare ether_hostton(). + # + # Unset ac_cv_have_decl_ether_hostton so we don't + # treat the previous failure as a cached value and + # suppress the next test. + # + unset ac_cv_have_decl_ether_hostton + ac_fn_check_decl "$LINENO" "ether_hostton" "ac_cv_have_decl_ether_hostton" " +#include <sys/types.h> +#include <sys/socket.h> +#include <net/if.h> +#include <netinet/in.h> +#include <netinet/if_ether.h> + +" "$ac_c_undeclared_builtin_options" "CFLAGS" +if test "x$ac_cv_have_decl_ether_hostton" = xyes +then : + + +printf "%s\n" "#define NETINET_IF_ETHER_H_DECLARES_ETHER_HOSTTON /**/" >>confdefs.h + + +fi + fi + # + # After all that, is ether_hostton() declared? + # + if test "$ac_cv_have_decl_ether_hostton" = yes; then + # + # Yes. + # + +printf "%s\n" "#define HAVE_DECL_ETHER_HOSTTON 1" >>confdefs.h + + else + # + # No, we'll have to declare it ourselves. + # Do we have "struct ether_addr" if we include + # <netinet/if_ether.h>? + # + ac_fn_c_check_type "$LINENO" "struct ether_addr" "ac_cv_type_struct_ether_addr" " + #include <sys/types.h> + #include <sys/socket.h> + #include <net/if.h> + #include <netinet/in.h> + #include <netinet/if_ether.h> + +" +if test "x$ac_cv_type_struct_ether_addr" = xyes +then : + +printf "%s\n" "#define HAVE_STRUCT_ETHER_ADDR 1" >>confdefs.h + + +fi + + fi +fi + +# +# For various things that might use pthreads. +# +ac_fn_c_check_header_compile "$LINENO" "pthread.h" "ac_cv_header_pthread_h" "$ac_includes_default" +if test "x$ac_cv_header_pthread_h" = xyes +then : + + # + # OK, we have pthread.h. Do we have pthread_create in the + # system libraries? + # + ac_fn_c_check_func "$LINENO" "pthread_create" "ac_cv_func_pthread_create" +if test "x$ac_cv_func_pthread_create" = xyes +then : + + # + # Yes. + # + ac_lbl_have_pthreads="found" + +else $as_nop + + # + # No - do we have it in -lpthreads? + # + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for pthread_create in -lpthreads" >&5 +printf %s "checking for pthread_create in -lpthreads... " >&6; } +if test ${ac_cv_lib_pthreads_pthread_create+y} +then : + printf %s "(cached) " >&6 +else $as_nop + ac_check_lib_save_LIBS=$LIBS +LIBS="-lpthreads $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +char pthread_create (); +int +main (void) +{ +return pthread_create (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO" +then : + ac_cv_lib_pthreads_pthread_create=yes +else $as_nop + ac_cv_lib_pthreads_pthread_create=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_pthreads_pthread_create" >&5 +printf "%s\n" "$ac_cv_lib_pthreads_pthread_create" >&6; } +if test "x$ac_cv_lib_pthreads_pthread_create" = xyes +then : + + # + # Yes - add -lpthreads. + # + ac_lbl_have_pthreads="found" + PTHREAD_LIBS="$PTHREAD_LIBS -lpthreads" + +else $as_nop + + # + # No - do we have it in -lpthread? + # + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for pthread_create in -lpthread" >&5 +printf %s "checking for pthread_create in -lpthread... " >&6; } +if test ${ac_cv_lib_pthread_pthread_create+y} +then : + printf %s "(cached) " >&6 +else $as_nop + ac_check_lib_save_LIBS=$LIBS +LIBS="-lpthread $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +char pthread_create (); +int +main (void) +{ +return pthread_create (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO" +then : + ac_cv_lib_pthread_pthread_create=yes +else $as_nop + ac_cv_lib_pthread_pthread_create=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_pthread_pthread_create" >&5 +printf "%s\n" "$ac_cv_lib_pthread_pthread_create" >&6; } +if test "x$ac_cv_lib_pthread_pthread_create" = xyes +then : + + # + # Yes - add -lpthread. + # + ac_lbl_have_pthreads="found" + PTHREAD_LIBS="$PTHREAD_LIBS -lpthread" + +else $as_nop + + # + # No. + # + ac_lbl_have_pthreads="not found" + +fi + + +fi + + +fi + + +else $as_nop + + # + # We didn't find pthread.h. + # + ac_lbl_have_pthreads="not found" + + +fi + + +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether to enable the instrument functions code" >&5 +printf %s "checking whether to enable the instrument functions code... " >&6; } +# Check whether --enable-instrument-functions was given. +if test ${enable_instrument_functions+y} +then : + enableval=$enable_instrument_functions; +else $as_nop + enableval=no +fi + +case "$enableval" in +yes) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + +printf "%s\n" "#define ENABLE_INSTRUMENT_FUNCTIONS 1" >>confdefs.h + + # Add '-finstrument-functions' instrumentation option to generate + # instrumentation calls for entry and exit to functions. + # Use '--enable-instrument-functions' also with tcpdump (or tcpslice) + # to see the output. See also https://www.tcpdump.org/faq.html#q17. + CFLAGS="$CFLAGS -O0 -ggdb -finstrument-functions" + ;; +*) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + ;; +esac + +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if --disable-protochain option is specified" >&5 +printf %s "checking if --disable-protochain option is specified... " >&6; } +# Check whether --enable-protochain was given. +if test ${enable_protochain+y} +then : + enableval=$enable_protochain; +fi + +case "x$enable_protochain" in +xyes) enable_protochain=enabled ;; +xno) enable_protochain=disabled ;; +x) enable_protochain=enabled ;; +esac + +if test "$enable_protochain" = "disabled"; then + +printf "%s\n" "#define NO_PROTOCHAIN 1" >>confdefs.h + +fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: ${enable_protochain}" >&5 +printf "%s\n" "${enable_protochain}" >&6; } + +# +# valgrindtest directly uses the native capture mechanism, but +# only tests with BPF and PF_PACKET sockets; only enable it if +# we have BPF or PF_PACKET sockets. +# +VALGRINDTEST_SRC= + + +# Check whether --with-pcap was given. +if test ${with_pcap+y} +then : + withval=$with_pcap; +fi + +if test ! -z "$with_pcap" ; then + V_PCAP="$withval" +else + # + # Check for a bunch of headers for various packet + # capture mechanisms. + # + ac_fn_c_check_header_compile "$LINENO" "net/bpf.h" "ac_cv_header_net_bpf_h" "$ac_includes_default" +if test "x$ac_cv_header_net_bpf_h" = xyes +then : + printf "%s\n" "#define HAVE_NET_BPF_H 1" >>confdefs.h + +fi + + if test "$ac_cv_header_net_bpf_h" = yes; then + # + # Does it define BIOCSETIF? + # I.e., is it a header for an LBL/BSD-style capture + # mechanism, or is it just a header for a BPF filter + # engine? Some versions of Arch Linux, for example, + # have a net/bpf.h that doesn't define BIOCSETIF; + # as it's a Linux, it should use packet sockets, + # instead. + # + # We need: + # + # sys/types.h, because FreeBSD 10's net/bpf.h + # requires that various BSD-style integer types + # be defined; + # + # sys/time.h, because AIX 5.2 and 5.3's net/bpf.h + # doesn't include it but does use struct timeval + # in ioctl definitions; + # + # sys/ioctl.h and, if we have it, sys/ioccom.h, + # because net/bpf.h defines ioctls; + # + # net/if.h, because it defines some structures + # used in ioctls defined by net/bpf.h; + # + # sys/socket.h, because OpenBSD 5.9's net/bpf.h + # defines some structure fields as being + # struct sockaddrs; + # + # and net/bpf.h doesn't necessarily include all + # of those headers itself. + # + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if net/bpf.h defines BIOCSETIF" >&5 +printf %s "checking if net/bpf.h defines BIOCSETIF... " >&6; } + if test ${ac_cv_lbl_bpf_h_defines_biocsetif+y} +then : + printf %s "(cached) " >&6 +else $as_nop + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +#include <sys/types.h> +#include <sys/time.h> +#include <sys/ioctl.h> +#include <sys/socket.h> +#ifdef HAVE_SYS_IOCCOM_H +#include <sys/ioccom.h> +#endif +#include <net/bpf.h> +#include <net/if.h> + +int +main (void) +{ +u_int i = BIOCSETIF; + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + ac_cv_lbl_bpf_h_defines_biocsetif=yes +else $as_nop + ac_cv_lbl_bpf_h_defines_biocsetif=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext +fi + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lbl_bpf_h_defines_biocsetif" >&5 +printf "%s\n" "$ac_cv_lbl_bpf_h_defines_biocsetif" >&6; } + fi + ac_fn_c_check_header_compile "$LINENO" "net/pfilt.h" "ac_cv_header_net_pfilt_h" "$ac_includes_default" +if test "x$ac_cv_header_net_pfilt_h" = xyes +then : + printf "%s\n" "#define HAVE_NET_PFILT_H 1" >>confdefs.h + +fi +ac_fn_c_check_header_compile "$LINENO" "net/enet.h" "ac_cv_header_net_enet_h" "$ac_includes_default" +if test "x$ac_cv_header_net_enet_h" = xyes +then : + printf "%s\n" "#define HAVE_NET_ENET_H 1" >>confdefs.h + +fi + + ac_fn_c_check_header_compile "$LINENO" "net/nit.h" "ac_cv_header_net_nit_h" "$ac_includes_default" +if test "x$ac_cv_header_net_nit_h" = xyes +then : + printf "%s\n" "#define HAVE_NET_NIT_H 1" >>confdefs.h + +fi +ac_fn_c_check_header_compile "$LINENO" "sys/net/nit.h" "ac_cv_header_sys_net_nit_h" "$ac_includes_default" +if test "x$ac_cv_header_sys_net_nit_h" = xyes +then : + printf "%s\n" "#define HAVE_SYS_NET_NIT_H 1" >>confdefs.h + +fi + + ac_fn_c_check_header_compile "$LINENO" "linux/socket.h" "ac_cv_header_linux_socket_h" "$ac_includes_default" +if test "x$ac_cv_header_linux_socket_h" = xyes +then : + printf "%s\n" "#define HAVE_LINUX_SOCKET_H 1" >>confdefs.h + +fi +ac_fn_c_check_header_compile "$LINENO" "net/raw.h" "ac_cv_header_net_raw_h" "$ac_includes_default" +if test "x$ac_cv_header_net_raw_h" = xyes +then : + printf "%s\n" "#define HAVE_NET_RAW_H 1" >>confdefs.h + +fi +ac_fn_c_check_header_compile "$LINENO" "sys/dlpi.h" "ac_cv_header_sys_dlpi_h" "$ac_includes_default" +if test "x$ac_cv_header_sys_dlpi_h" = xyes +then : + printf "%s\n" "#define HAVE_SYS_DLPI_H 1" >>confdefs.h + +fi + + ac_fn_c_check_header_compile "$LINENO" "config/HaikuConfig.h" "ac_cv_header_config_HaikuConfig_h" "$ac_includes_default" +if test "x$ac_cv_header_config_HaikuConfig_h" = xyes +then : + printf "%s\n" "#define HAVE_CONFIG_HAIKUCONFIG_H 1" >>confdefs.h + +fi + + + if test "$ac_cv_lbl_bpf_h_defines_biocsetif" = yes; then + # + # BPF. + # Check this before DLPI, so that we pick BPF on + # Solaris 11 and later. + # + V_PCAP=bpf + + # + # We have BPF, so build valgrindtest with "make test" + # on macOS and FreeBSD (add your OS once there's a + # valgrind for it). + # + case "$host_os" in + + freebsd*|darwin*|linux*) + VALGRINDTEST_SRC=valgrindtest.c + ;; + esac + elif test "$ac_cv_header_linux_socket_h" = yes; then + # + # No prizes for guessing this one. + # + V_PCAP=linux + VALGRINDTEST_SRC=valgrindtest.c + elif test "$ac_cv_header_net_pfilt_h" = yes; then + # + # DEC OSF/1, Digital UNIX, Tru64 UNIX + # + V_PCAP=pf + elif test "$ac_cv_header_net_enet_h" = yes; then + # + # Stanford Enetfilter. + # + V_PCAP=enet + elif test "$ac_cv_header_net_nit_h" = yes; then + # + # SunOS 4.x STREAMS NIT. + # + V_PCAP=snit + elif test "$ac_cv_header_sys_net_nit_h" = yes; then + # + # Pre-SunOS 4.x non-STREAMS NIT. + # + V_PCAP=nit + elif test "$ac_cv_header_net_raw_h" = yes; then + # + # IRIX snoop. + # + V_PCAP=snoop + elif test "$ac_cv_header_sys_dlpi_h" = yes; then + # + # DLPI on pre-Solaris 11 SunOS 5, HP-UX, possibly others. + # + V_PCAP=dlpi + elif test "$ac_cv_header_config_HaikuConfig_h" = yes; then + # + # Haiku. + # + V_PCAP=haiku + else + # + # We don't have any capture type we know about. + # Report an error, and tell the user to configure with + # --with-pcap=null if they want a libpcap that can't + # capture but that can read capture files. That way, + # nobody gets surprised by getting a no-capture + # libpcap without asking for that. + # + as_fn_error $? "No supported packet capture interface was found. + See the INSTALL.md file for information on packet capture support in + various operating systems. + If you want a libpcap that cannot capture packets but that can read + pcap and pcapng files, run configure with --with-pcap=null." "$LINENO" 5 + fi +fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking packet capture type" >&5 +printf %s "checking packet capture type... " >&6; } +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $V_PCAP" >&5 +printf "%s\n" "$V_PCAP" >&6; } + + +# +# Do we have pkg-config? +# + + + + + + + +if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}pkg-config", so it can be a program name with args. +set dummy ${ac_tool_prefix}pkg-config; ac_word=$2 +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +printf %s "checking for $ac_word... " >&6; } +if test ${ac_cv_path_PKG_CONFIG+y} +then : + printf %s "(cached) " >&6 +else $as_nop + case $PKG_CONFIG in + [\\/]* | ?:[\\/]*) + ac_cv_path_PKG_CONFIG="$PKG_CONFIG" # Let the user override the test with a path. + ;; + *) + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + case $as_dir in #((( + '') as_dir=./ ;; + */) ;; + *) as_dir=$as_dir/ ;; + esac + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then + ac_cv_path_PKG_CONFIG="$as_dir$ac_word$ac_exec_ext" + printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + + ;; +esac +fi +PKG_CONFIG=$ac_cv_path_PKG_CONFIG +if test -n "$PKG_CONFIG"; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $PKG_CONFIG" >&5 +printf "%s\n" "$PKG_CONFIG" >&6; } +else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } +fi + + +fi +if test -z "$ac_cv_path_PKG_CONFIG"; then + ac_pt_PKG_CONFIG=$PKG_CONFIG + # Extract the first word of "pkg-config", so it can be a program name with args. +set dummy pkg-config; ac_word=$2 +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +printf %s "checking for $ac_word... " >&6; } +if test ${ac_cv_path_ac_pt_PKG_CONFIG+y} +then : + printf %s "(cached) " >&6 +else $as_nop + case $ac_pt_PKG_CONFIG in + [\\/]* | ?:[\\/]*) + ac_cv_path_ac_pt_PKG_CONFIG="$ac_pt_PKG_CONFIG" # Let the user override the test with a path. + ;; + *) + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + case $as_dir in #((( + '') as_dir=./ ;; + */) ;; + *) as_dir=$as_dir/ ;; + esac + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then + ac_cv_path_ac_pt_PKG_CONFIG="$as_dir$ac_word$ac_exec_ext" + printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + + ;; +esac +fi +ac_pt_PKG_CONFIG=$ac_cv_path_ac_pt_PKG_CONFIG +if test -n "$ac_pt_PKG_CONFIG"; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_pt_PKG_CONFIG" >&5 +printf "%s\n" "$ac_pt_PKG_CONFIG" >&6; } +else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } +fi + + if test "x$ac_pt_PKG_CONFIG" = x; then + PKG_CONFIG="" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + PKG_CONFIG=$ac_pt_PKG_CONFIG + fi +else + PKG_CONFIG="$ac_cv_path_PKG_CONFIG" +fi + +fi +if test -n "$PKG_CONFIG"; then + _pkg_min_version=0.17.0 + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking pkg-config is at least version $_pkg_min_version" >&5 +printf %s "checking pkg-config is at least version $_pkg_min_version... " >&6; } + if $PKG_CONFIG --atleast-pkgconfig-version $_pkg_min_version; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + PKG_CONFIG="" + fi +fi + +# +# Do we have the brew command from Homebrew? +# +# Extract the first word of "brew", so it can be a program name with args. +set dummy brew; ac_word=$2 +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +printf %s "checking for $ac_word... " >&6; } +if test ${ac_cv_path_BREW+y} +then : + printf %s "(cached) " >&6 +else $as_nop + case $BREW in + [\\/]* | ?:[\\/]*) + ac_cv_path_BREW="$BREW" # Let the user override the test with a path. + ;; + *) + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + case $as_dir in #((( + '') as_dir=./ ;; + */) ;; + *) as_dir=$as_dir/ ;; + esac + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then + ac_cv_path_BREW="$as_dir$ac_word$ac_exec_ext" + printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + + ;; +esac +fi +BREW=$ac_cv_path_BREW +if test -n "$BREW"; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $BREW" >&5 +printf "%s\n" "$BREW" >&6; } +else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } +fi + + + +# +# Solaris pkg-config is annoying. For at least one package (D-Bus, I'm +# looking at *you*!), there are separate include files for 32-bit and +# 64-bit builds (I guess using "unsigned long long" as a 64-bit integer +# type on a 64-bit build is like crossing the beams or something), and +# there are two separate .pc files, so if we're doing a 32-bit build we +# should make sure we look in /usr/lib/pkgconfig for .pc files and if +# we're doing a 64-bit build we should make sure we look in +# /usr/lib/amd64/pkgconfig for .pc files. +# +case "$host_os" in + +solaris*) + if test "$ac_cv_sizeof_void_p" -eq 8; then + # + # 64-bit build. If the path is empty, set it to + # /usr/lib/amd64/pkgconfig; otherwise, if + # /usr/lib/pkgconfig appears in the path, prepend + # /usr/lib/amd64/pkgconfig to it; otherwise, put + # /usr/lib/amd64/pkgconfig at the end. + # + if test -z "$PKG_CONFIG_PATH"; then + # + # Not set, or empty. Set it to + # /usr/lib/amd64/pkgconfig. + # + PKG_CONFIG_PATH=/usr/lib/amd64/pkgconfig + elif test ! -z `echo "$PKG_CONFIG_PATH" | grep "/usr/lib/pkgconfig"`; then + # + # It contains /usr/lib/pkgconfig. Prepend + # /usr/lib/amd64/pkgconfig to /usr/lib/pkgconfig. + # + PKG_CONFIG_PATH=`echo "$PKG_CONFIG_PATH" | sed "s;/usr/lib/pkgconfig;/usr/lib/amd64/pkgconfig:/usr/lib/pkgconfig;"` + else + # + # Not empty, but doesn't contain /usr/lib/pkgconfig. + # Append /usr/lib/amd64/pkgconfig to it. + # + PKG_CONFIG_PATH="$PKG_CONFIG_PATH:/usr/lib/amd64/pkgconfig" + fi + export PKG_CONFIG_PATH + elif test "$ac_cv_sizeof_void_p" -eq 4; then + # + # 32-bit build. If /usr/amd64/lib/pkgconfig appears + # in the path, prepend /usr/lib/pkgconfig to it. + # + if test ! -z `echo "$PKG_CONFIG_PATH" | grep "/usr/lib/amd64/pkgconfig"`; then + # + # It contains /usr/lib/amd64/pkgconfig. Prepend + # /usr/lib/pkgconfig to /usr/lib/amd64/pkgconfig. + # + PKG_CONFIG_PATH=`echo "$PKG_CONFIG_PATH" | sed "s;/usr/lib/amd64/pkgconfig;/usr/lib/pkgconfig:/usr/lib/amd64/pkgconfig;"` + export PKG_CONFIG_PATH + fi + fi +esac + +# +# Handle each capture type. +# +case "$V_PCAP" in +dlpi) + # + # Checks for some header files. + # + ac_fn_c_check_header_compile "$LINENO" "sys/bufmod.h" "ac_cv_header_sys_bufmod_h" "$ac_includes_default" +if test "x$ac_cv_header_sys_bufmod_h" = xyes +then : + printf "%s\n" "#define HAVE_SYS_BUFMOD_H 1" >>confdefs.h + +fi +ac_fn_c_check_header_compile "$LINENO" "sys/dlpi_ext.h" "ac_cv_header_sys_dlpi_ext_h" "$ac_includes_default" +if test "x$ac_cv_header_sys_dlpi_ext_h" = xyes +then : + printf "%s\n" "#define HAVE_SYS_DLPI_EXT_H 1" >>confdefs.h + +fi + + + # + # Checks to see if Solaris has the public libdlpi(3LIB) library. + # Note: The existence of /usr/include/libdlpi.h does not mean it is the + # public libdlpi(3LIB) version. Before libdlpi was made public, a + # private version also existed, which did not have the same APIs. + # Due to a gcc bug, the default search path for 32-bit libraries does + # not include /lib, we add it explicitly here. + # [http://bugs.opensolaris.org/view_bug.do?bug_id=6619485]. + # Also, due to the bug above applications that link to libpcap with + # libdlpi will have to add "-L/lib" option to "configure". + # + save_LDFLAGS="$LDFLAGS" + LDFLAGS="$LIBS -L/lib" + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for dlpi_walk in -ldlpi" >&5 +printf %s "checking for dlpi_walk in -ldlpi... " >&6; } +if test ${ac_cv_lib_dlpi_dlpi_walk+y} +then : + printf %s "(cached) " >&6 +else $as_nop + ac_check_lib_save_LIBS=$LIBS +LIBS="-ldlpi $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +char dlpi_walk (); +int +main (void) +{ +return dlpi_walk (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO" +then : + ac_cv_lib_dlpi_dlpi_walk=yes +else $as_nop + ac_cv_lib_dlpi_dlpi_walk=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dlpi_dlpi_walk" >&5 +printf "%s\n" "$ac_cv_lib_dlpi_dlpi_walk" >&6; } +if test "x$ac_cv_lib_dlpi_dlpi_walk" = xyes +then : + + LIBS="-ldlpi $LIBS" + LIBS_STATIC="-ldlpi $LIBS_STATIC" + LIBS_PRIVATE="-ldlpi $LIBS_PRIVATE" + V_PCAP=libdlpi + + # + # Capture module plus common code needed for + # common functions used by pcap-[dlpi,libdlpi].c + # + PLATFORM_C_SRC="pcap-libdlpi.c dlpisubs.c" + +printf "%s\n" "#define HAVE_LIBDLPI 1" >>confdefs.h + + +else $as_nop + + V_PCAP=dlpi + + # + # Capture module plus common code needed for + # common functions used by pcap-[dlpi,libdlpi].c + # + PLATFORM_C_SRC="pcap-dlpi.c dlpisubs.c" + +fi + + LDFLAGS="$save_LDFLAGS" + + # + # Checks whether <sys/dlpi.h> is usable, to catch weird SCO + # versions of DLPI. + # + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether <sys/dlpi.h> is usable" >&5 +printf %s "checking whether <sys/dlpi.h> is usable... " >&6; } + if test ${ac_cv_sys_dlpi_usable+y} +then : + printf %s "(cached) " >&6 +else $as_nop + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + + #include <sys/types.h> + #include <sys/time.h> + #include <sys/dlpi.h> + +int +main (void) +{ +int i = DL_PROMISC_PHYS; + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + ac_cv_sys_dlpi_usable=yes +else $as_nop + ac_cv_sys_dlpi_usable=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext +fi + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sys_dlpi_usable" >&5 +printf "%s\n" "$ac_cv_sys_dlpi_usable" >&6; } + if test $ac_cv_sys_dlpi_usable = no ; then + as_fn_error $? "<sys/dlpi.h> is not usable on this system; it probably has a non-standard DLPI" "$LINENO" 5 + fi + + # + # Check to see if Solaris has the dl_passive_req_t struct defined + # in <sys/dlpi.h>. + # This check is for DLPI support for passive modes. + # See dlpi(7P) for more details. + # + ac_fn_c_check_type "$LINENO" "dl_passive_req_t" "ac_cv_type_dl_passive_req_t" " + #include <sys/types.h> + #include <sys/dlpi.h> + +" +if test "x$ac_cv_type_dl_passive_req_t" = xyes +then : + +printf "%s\n" "#define HAVE_DL_PASSIVE_REQ_T 1" >>confdefs.h + + +fi + + ;; + +enet) + # + # Capture module + # + PLATFORM_C_SRC="pcap-enet.c" + ;; + +haiku) + # + # Capture module + # + PLATFORM_C_SRC="pcap-haiku.c" + + # + # Just for the sake of it. + # + ac_fn_c_check_header_compile "$LINENO" "net/if.h" "ac_cv_header_net_if_h" "$ac_includes_default" +if test "x$ac_cv_header_net_if_h" = xyes +then : + printf "%s\n" "#define HAVE_NET_IF_H 1" >>confdefs.h + +fi +ac_fn_c_check_header_compile "$LINENO" "net/if_dl.h" "ac_cv_header_net_if_dl_h" "$ac_includes_default" +if test "x$ac_cv_header_net_if_dl_h" = xyes +then : + printf "%s\n" "#define HAVE_NET_IF_DL_H 1" >>confdefs.h + +fi +ac_fn_c_check_header_compile "$LINENO" "net/if_types.h" "ac_cv_header_net_if_types_h" "$ac_includes_default" +if test "x$ac_cv_header_net_if_types_h" = xyes +then : + printf "%s\n" "#define HAVE_NET_IF_TYPES_H 1" >>confdefs.h + +fi + + ;; + +linux) + # + # Capture module + # + PLATFORM_C_SRC="pcap-linux.c" + + # + # Do we have the wireless extensions? + # + ac_fn_c_check_header_compile "$LINENO" "linux/wireless.h" "ac_cv_header_linux_wireless_h" " +#include <sys/socket.h> +#include <linux/if.h> +#include <linux/types.h> + +" +if test "x$ac_cv_header_linux_wireless_h" = xyes +then : + printf "%s\n" "#define HAVE_LINUX_WIRELESS_H 1" >>confdefs.h + +fi + + + # + # Do we have libnl? + # We only want version 3. Version 2 was, apparently, + # short-lived, and version 1 is source and binary + # incompatible with version 3, and it appears that, + # these days, everybody's using version 3. We're + # not supporting older versions of the Linux kernel; + # let's drop support for older versions of libnl, too. + # + +# Check whether --with-libnl was given. +if test ${with_libnl+y} +then : + withval=$with_libnl; with_libnl=$withval +else $as_nop + with_libnl=if_available +fi + + + if test x$with_libnl != xno ; then + # + # Check for libnl-genl-3.0 with pkg-config. + # + +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for libnl-genl-3.0 with pkg-config" >&5 +printf %s "checking for libnl-genl-3.0 with pkg-config... " >&6; } +if test -n "$PKG_CONFIG"; then + + if { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"libnl-genl-3.0\""; } >&5 + ($PKG_CONFIG --exists --print-errors "libnl-genl-3.0") 2>&5 + ac_status=$? + printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + # + # The package was found, so try to get its C flags and + # libraries. + # + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: found" >&5 +printf "%s\n" "found" >&6; } + if test ! -n "$LIBNL_CFLAGS"; then + LIBNL_CFLAGS=`$PKG_CONFIG --cflags "libnl-genl-3.0" 2>/dev/null` + if test "x$?" != "x0"; then + # + # That failed - report an error. + # Re-run the command, telling pkg-config to print an error + # message, capture the error message, and report it. + # This causes the configuration script to fail, as it means + # the script is almost certainly doing something wrong. + # + +if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then + _pkg_short_errors_supported=yes +else + _pkg_short_errors_supported=no +fi + if test $_pkg_short_errors_supported = yes; then + _pkg_error_string=`$PKG_CONFIG --short-errors --print-errors --cflags "libnl-genl-3.0" 2>&1` + else + _pkg_error_string=`$PKG_CONFIG --print-errors --cflags "libnl-genl-3.0" 2>&1` + fi + as_fn_error $? "$PKG_CONFIG --cflags \"libnl-genl-3.0\" failed: $_pkg_error_string" "$LINENO" 5 + fi + fi + if test ! -n "$LIBNL_LIBS"; then + LIBNL_LIBS=`$PKG_CONFIG --libs "libnl-genl-3.0" 2>/dev/null` + if test "x$?" != "x0"; then + # + # That failed - report an error. + # Re-run the command, telling pkg-config to print an error + # message, capture the error message, and report it. + # This causes the configuration script to fail, as it means + # the script is almost certainly doing something wrong. + # + +if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then + _pkg_short_errors_supported=yes +else + _pkg_short_errors_supported=no +fi + if test $_pkg_short_errors_supported = yes; then + _pkg_error_string=`$PKG_CONFIG --short-errors --print-errors --libs "libnl-genl-3.0" 2>&1` + else + _pkg_error_string=`$PKG_CONFIG --print-errors --libs "libnl-genl-3.0" 2>&1` + fi + as_fn_error $? "$PKG_CONFIG --libs \"libnl-genl-3.0\" failed: $_pkg_error_string" "$LINENO" 5 + fi + fi + if test ! -n "$LIBNL_LIBS_STATIC"; then + LIBNL_LIBS_STATIC=`$PKG_CONFIG --libs --static "libnl-genl-3.0" 2>/dev/null` + if test "x$?" != "x0"; then + # + # That failed - report an error. + # Re-run the command, telling pkg-config to print an error + # message, capture the error message, and report it. + # This causes the configuration script to fail, as it means + # the script is almost certainly doing something wrong. + # + +if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then + _pkg_short_errors_supported=yes +else + _pkg_short_errors_supported=no +fi + if test $_pkg_short_errors_supported = yes; then + _pkg_error_string=`$PKG_CONFIG --short-errors --print-errors --libs --static "libnl-genl-3.0" 2>&1` + else + _pkg_error_string=`$PKG_CONFIG --print-errors --libs --static "libnl-genl-3.0" 2>&1` + fi + as_fn_error $? "$PKG_CONFIG --libs --static \"libnl-genl-3.0\" failed: $_pkg_error_string" "$LINENO" 5 + fi + fi + + pkg_config_found_libnl=yes + V_INCLS="$V_INCLS $LIBNL_CFLAGS" + ADDITIONAL_LIBS="$LIBNL_LIBS $ADDITIONAL_LIBS" + ADDITIONAL_LIBS_STATIC="$LIBNL_LIBS_STATIC $ADDITIONAL_LIBS_STATIC" + REQUIRES_PRIVATE="libnl-genl-3.0 $REQUIRES_PRIVATE" + +printf "%s\n" "#define HAVE_LIBNL 1" >>confdefs.h + + + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: not found" >&5 +printf "%s\n" "not found" >&6; } + : + fi +else + # No pkg-config, so obviously not found with pkg-config. + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: pkg-config not found" >&5 +printf "%s\n" "pkg-config not found" >&6; } + : +fi + + + if test x$pkg_config_found_libnl != xyes; then + # + # OK, either we don't have pkg-config or there + # wasn't a .pc file for it; Check for it directly. + # + case "$with_libnl" in + + yes|if_available) + incdir=-I/usr/include/libnl3 + libnldir= + ;; + + *) + if test -d $withval; then + libnldir=-L${withval}/lib + incdir=-I${withval}/include + fi + ;; + esac + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for nl_socket_alloc in -lnl-3" >&5 +printf %s "checking for nl_socket_alloc in -lnl-3... " >&6; } +if test ${ac_cv_lib_nl_3_nl_socket_alloc+y} +then : + printf %s "(cached) " >&6 +else $as_nop + ac_check_lib_save_LIBS=$LIBS +LIBS="-lnl-3 ${incdir} ${libnldir} -lnl-genl-3 -lnl-3 $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +char nl_socket_alloc (); +int +main (void) +{ +return nl_socket_alloc (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO" +then : + ac_cv_lib_nl_3_nl_socket_alloc=yes +else $as_nop + ac_cv_lib_nl_3_nl_socket_alloc=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_nl_3_nl_socket_alloc" >&5 +printf "%s\n" "$ac_cv_lib_nl_3_nl_socket_alloc" >&6; } +if test "x$ac_cv_lib_nl_3_nl_socket_alloc" = xyes +then : + + # + # Yes, we have libnl 3.x. + # + ADDITIONAL_LIBS="${libnldir} -lnl-genl-3 -lnl-3 $ADDITIONAL_LIBS" + ADDITIONAL_LIBS_STATIC="${libnldir} -lnl-genl-3 -lnl-3 $ADDITIONAL_LIBS_STATIC" + LIBS_PRIVATE="${libnldir} -lnl-genl-3 -lnl-3 $LIBS_PRIVATE" + +printf "%s\n" "#define HAVE_LIBNL 1" >>confdefs.h + + V_INCLS="$V_INCLS ${incdir}" + +else $as_nop + + # + # No, we don't have libnl at all. + # Fail if the user explicitly requested + # it. + # + if test x$with_libnl = xyes ; then + as_fn_error $? "libnl support requested but libnl not found" "$LINENO" 5 + fi + +fi + + fi + fi + + # + # Check to see if the tpacket_auxdata struct has a tp_vlan_tci member. + # + # NOTE: any failure means we conclude that it doesn't have that + # member, so if we don't have tpacket_auxdata, we conclude it + # doesn't have that member (which is OK, as either we won't be + # using code that would use that member, or we wouldn't compile + # in any case). + ac_fn_c_check_member "$LINENO" "struct tpacket_auxdata" "tp_vlan_tci" "ac_cv_member_struct_tpacket_auxdata_tp_vlan_tci" " + #include <sys/types.h> + #include <linux/if_packet.h> + +" +if test "x$ac_cv_member_struct_tpacket_auxdata_tp_vlan_tci" = xyes +then : + +printf "%s\n" "#define HAVE_STRUCT_TPACKET_AUXDATA_TP_VLAN_TCI 1" >>confdefs.h + + +fi + + ;; + +bpf) + # + # Capture module + # + PLATFORM_C_SRC="pcap-bpf.c" + + # + # Check whether we have the *BSD-style ioctls. + # + ac_fn_c_check_header_compile "$LINENO" "net/if_media.h" "ac_cv_header_net_if_media_h" "$ac_includes_default" +if test "x$ac_cv_header_net_if_media_h" = xyes +then : + printf "%s\n" "#define HAVE_NET_IF_MEDIA_H 1" >>confdefs.h + +fi + + + # + # Check whether we have struct BPF_TIMEVAL. + # + ac_fn_c_check_type "$LINENO" "struct BPF_TIMEVAL" "ac_cv_type_struct_BPF_TIMEVAL" " + #include <sys/types.h> + #include <sys/ioctl.h> + #ifdef HAVE_SYS_IOCCOM_H + #include <sys/ioccom.h> + #endif + #include <net/bpf.h> + +" +if test "x$ac_cv_type_struct_BPF_TIMEVAL" = xyes +then : + +printf "%s\n" "#define HAVE_STRUCT_BPF_TIMEVAL 1" >>confdefs.h + + +fi + + + # + # Check whether there's a net/ipnet.h header and, + # if so, whether it defines IPNET_ANY_LINK - if so, + # we assume we have the "any" device (that's a + # Solaris header, and later versions of Solaris + # have an "any" device). + # + # Attempting to include it at compile time could + # be a pain, as it's a kernel header. + # + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the Solaris \"any\" device is supported" >&5 +printf %s "checking whether the Solaris \"any\" device is supported... " >&6; } + if test -e /usr/include/inet/ipnet.h && + grep -q IPNET_ANY_LINK /usr/include/inet/ipnet.h; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + +printf "%s\n" "#define HAVE_SOLARIS_ANY_DEVICE 1" >>confdefs.h + + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + fi + ;; + +pf) + # + # Capture module + # + PLATFORM_C_SRC="pcap-pf.c" + ;; + +snit) + # + # Capture module + # + PLATFORM_C_SRC="pcap-snit.c" + ;; + +snoop) + # + # Capture module + # + PLATFORM_C_SRC="pcap-snoop.c" + ;; + +dag) + # + # --with-pcap=dag is the only way to get here, and it means + # "DAG support but nothing else" + # + V_DEFS="$V_DEFS -DDAG_ONLY" + PLATFORM_C_SRC="pcap-dag.c" + xxx_only=yes + ;; + +dpdk) + # + # --with-pcap=dpdk is the only way to get here, and it means + # "DPDK support but nothing else" + # + V_DEFS="$V_DEFS -DDPDK_ONLY" + PLATFORM_C_SRC="pcap-dpdk.c" + xxx_only=yes + ;; + +septel) + # + # --with-pcap=septel is the only way to get here, and it means + # "Septel support but nothing else" + # + V_DEFS="$V_DEFS -DSEPTEL_ONLY" + PLATFORM_C_SRC="pcap-septel.c" + xxx_only=yes + ;; + +snf) + # + # --with-pcap=snf is the only way to get here, and it means + # "SNF support but nothing else" + # + V_DEFS="$V_DEFS -DSNF_ONLY" + PLATFORM_C_SRC="pcap-snf.c" + xxx_only=yes + ;; + +null) + # + # Capture module + # + PLATFORM_C_SRC="pcap-null.c" + ;; + +*) + as_fn_error $? "$V_PCAP is not a valid pcap type" "$LINENO" 5 + ;; +esac + +if test "$V_PCAP" != null +then + ac_fn_c_check_func "$LINENO" "getifaddrs" "ac_cv_func_getifaddrs" +if test "x$ac_cv_func_getifaddrs" = xyes +then : + + # + # We have "getifaddrs()"; make sure we have <ifaddrs.h> + # as well, just in case some platform is really weird. + # + ac_fn_c_check_header_compile "$LINENO" "ifaddrs.h" "ac_cv_header_ifaddrs_h" "$ac_includes_default" +if test "x$ac_cv_header_ifaddrs_h" = xyes +then : + + # + # We have the header, so we use "getifaddrs()" to + # get the list of interfaces. + # + PLATFORM_C_SRC="$PLATFORM_C_SRC fad-getad.c" + +else $as_nop + + # + # We don't have the header - give up. + # XXX - we could also fall back on some other + # mechanism, but, for now, this'll catch this + # problem so that we can at least try to figure + # out something to do on systems with "getifaddrs()" + # but without "ifaddrs.h", if there is something + # we can do on those systems. + # + as_fn_error $? "Your system has getifaddrs() but doesn't have a usable <ifaddrs.h>." "$LINENO" 5 + +fi + + +else $as_nop + + # + # Well, we don't have "getifaddrs()", at least not with the + # libraries with which we've decided we need to link + # libpcap with, so we have to use some other mechanism. + # + # Note that this may happen on Solaris, which has + # getifaddrs(), but in -lsocket, not in -lxnet, so we + # won't find it if we link with -lxnet, which we want + # to do for other reasons. + # + # For now, we use either the SIOCGIFCONF ioctl or the + # SIOCGLIFCONF ioctl, preferring the latter if we have + # it; the latter is a Solarisism that first appeared + # in Solaris 8. (Solaris's getifaddrs() appears to + # be built atop SIOCGLIFCONF; using it directly + # avoids a not-all-that-useful middleman.) + # + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether we have SIOCGLIFCONF" >&5 +printf %s "checking whether we have SIOCGLIFCONF... " >&6; } + if test ${ac_cv_lbl_have_siocglifconf+y} +then : + printf %s "(cached) " >&6 +else $as_nop + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include <sys/param.h> + #include <sys/file.h> + #include <sys/ioctl.h> + #include <sys/socket.h> + #include <sys/sockio.h> +int +main (void) +{ +ioctl(0, SIOCGLIFCONF, (char *)0); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + ac_cv_lbl_have_siocglifconf=yes +else $as_nop + ac_cv_lbl_have_siocglifconf=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext +fi + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lbl_have_siocglifconf" >&5 +printf "%s\n" "$ac_cv_lbl_have_siocglifconf" >&6; } + if test $ac_cv_lbl_have_siocglifconf = yes ; then + PLATFORM_C_SRC="$PLATFORM_C_SRC fad-glifc.c" + else + PLATFORM_C_SRC="$PLATFORM_C_SRC fad-gifc.c" + fi + +fi + +fi + +case "$host_os" in +linux*) + ac_fn_c_check_header_compile "$LINENO" "linux/net_tstamp.h" "ac_cv_header_linux_net_tstamp_h" "$ac_includes_default" +if test "x$ac_cv_header_linux_net_tstamp_h" = xyes +then : + printf "%s\n" "#define HAVE_LINUX_NET_TSTAMP_H 1" >>confdefs.h + +fi + + ;; +*) + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: no hardware timestamp support implemented for $host_os" >&5 +printf "%s\n" "$as_me: no hardware timestamp support implemented for $host_os" >&6;} + ;; +esac + +# +# Check for socklen_t. +# +ac_fn_c_check_type "$LINENO" "socklen_t" "ac_cv_type_socklen_t" " + #include <sys/types.h> + #include <sys/socket.h> + +" +if test "x$ac_cv_type_socklen_t" = xyes +then : + +printf "%s\n" "#define HAVE_SOCKLEN_T 1" >>confdefs.h + + +fi + + +# Check whether --enable-ipv6 was given. +if test ${enable_ipv6+y} +then : + enableval=$enable_ipv6; +else $as_nop + enable_ipv6=yes +fi + +if test "$enable_ipv6" != "no"; then + # + # We've already made sure we have getaddrinfo above in + # AC_LBL_LIBRARY_NET. + # + +printf "%s\n" "#define INET6 1" >>confdefs.h + +fi + +# Check for Endace DAG card support. + +# Check whether --with-dag was given. +if test ${with_dag+y} +then : + withval=$with_dag; + if test "$withval" = no + then + # User doesn't want DAG support. + want_dag=no + elif test "$withval" = yes + then + # User wants DAG support but hasn't specified a directory. + want_dag=yes + else + # User wants DAG support and has specified a directory, so use the provided value. + want_dag=yes + dag_root=$withval + fi + +else $as_nop + + if test "$V_PCAP" = dag; then + # User requested DAG-only libpcap, so we'd better have + # the DAG API. + want_dag=yes + elif test "xxx_only" = yes; then + # User requested something-else-only pcap, so they don't + # want DAG support. + want_dag=no + else + # + # Use DAG API if present, otherwise don't + # + want_dag=ifpresent + fi + +fi + + + +# Check whether --with-dag-includes was given. +if test ${with_dag_includes+y} +then : + withval=$with_dag_includes; + # User wants DAG support and has specified a header directory, so use the provided value. + want_dag=yes + dag_include_dir=$withval + +fi + + + +# Check whether --with-dag-libraries was given. +if test ${with_dag_libraries+y} +then : + withval=$with_dag_libraries; + # User wants DAG support and has specified a library directory, so use the provided value. + want_dag=yes + dag_lib_dir=$withval + +fi + + +if test "$want_dag" != no; then + + # If necessary, set default paths for DAG API headers and libraries. + if test -z "$dag_root"; then + dag_root=/usr/local + fi + + if test -z "$dag_include_dir"; then + dag_include_dir="$dag_root/include" + fi + + if test -z "$dag_lib_dir"; then + dag_lib_dir="$dag_root/lib" + # + # Handle multiarch systems. + # + if test -d "$dag_lib_dir/$host" + then + dag_lib_dir="$dag_lib_dir/$host" + fi + fi + + + save_CFLAGS="$CFLAGS" + save_LIBS="$LIBS" + save_LDFLAGS="$LDFLAGS" + + CFLAGS="$CFLAGS -I$dag_include_dir" + ac_fn_c_check_header_compile "$LINENO" "dagapi.h" "ac_cv_header_dagapi_h" "$ac_includes_default" +if test "x$ac_cv_header_dagapi_h" = xyes +then : + printf "%s\n" "#define HAVE_DAGAPI_H 1" >>confdefs.h + +fi + + + CFLAGS="$save_CFLAGS" + LIBS="$save_LIBS" + LDFLAGS="$save_LDFLAGS" + + + if test "$ac_cv_header_dagapi_h" = yes; then + + V_INCLS="$V_INCLS -I$dag_include_dir" + + if test $V_PCAP != dag ; then + MODULE_C_SRC="$MODULE_C_SRC pcap-dag.c" + fi + + # Check for various DAG API functions. + # Don't need to save and restore LIBS to prevent -ldag being + # included if there's a found-action (arg 3). + + save_CFLAGS="$CFLAGS" + save_LIBS="$LIBS" + save_LDFLAGS="$LDFLAGS" + + LDFLAGS="-L$dag_lib_dir" + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for dag_attach_stream in -ldag" >&5 +printf %s "checking for dag_attach_stream in -ldag... " >&6; } +if test ${ac_cv_lib_dag_dag_attach_stream+y} +then : + printf %s "(cached) " >&6 +else $as_nop + ac_check_lib_save_LIBS=$LIBS +LIBS="-ldag $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +char dag_attach_stream (); +int +main (void) +{ +return dag_attach_stream (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO" +then : + ac_cv_lib_dag_dag_attach_stream=yes +else $as_nop + ac_cv_lib_dag_dag_attach_stream=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dag_dag_attach_stream" >&5 +printf "%s\n" "$ac_cv_lib_dag_dag_attach_stream" >&6; } +if test "x$ac_cv_lib_dag_dag_attach_stream" = xyes +then : + + # + # We assume that if we have libdag we have + # libdagconf, as they're installed at the + # same time from the same package. + # + ADDITIONAL_LIBS="-L$dag_lib_dir $ADDITIONAL_LIBS -ldag -ldagconf" + ADDITIONAL_LIBS_STATIC="-L$dag_lib_dir $ADDITIONAL_LIBS_STATIC -ldag -ldagconf" + LIBS_PRIVATE="-L$dag_lib_dir $LIBS_PRIVATE -ldag -ldagconf" + +else $as_nop + as_fn_error $? "DAG library lacks streams support" "$LINENO" 5 +fi + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for dag_attach_stream64 in -ldag" >&5 +printf %s "checking for dag_attach_stream64 in -ldag... " >&6; } +if test ${ac_cv_lib_dag_dag_attach_stream64+y} +then : + printf %s "(cached) " >&6 +else $as_nop + ac_check_lib_save_LIBS=$LIBS +LIBS="-ldag $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +char dag_attach_stream64 (); +int +main (void) +{ +return dag_attach_stream64 (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO" +then : + ac_cv_lib_dag_dag_attach_stream64=yes +else $as_nop + ac_cv_lib_dag_dag_attach_stream64=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dag_dag_attach_stream64" >&5 +printf "%s\n" "$ac_cv_lib_dag_dag_attach_stream64" >&6; } +if test "x$ac_cv_lib_dag_dag_attach_stream64" = xyes +then : + dag_large_streams="1" +else $as_nop + dag_large_streams="0" +fi + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for dag_get_erf_types in -ldag" >&5 +printf %s "checking for dag_get_erf_types in -ldag... " >&6; } +if test ${ac_cv_lib_dag_dag_get_erf_types+y} +then : + printf %s "(cached) " >&6 +else $as_nop + ac_check_lib_save_LIBS=$LIBS +LIBS="-ldag $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +char dag_get_erf_types (); +int +main (void) +{ +return dag_get_erf_types (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO" +then : + ac_cv_lib_dag_dag_get_erf_types=yes +else $as_nop + ac_cv_lib_dag_dag_get_erf_types=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dag_dag_get_erf_types" >&5 +printf "%s\n" "$ac_cv_lib_dag_dag_get_erf_types" >&6; } +if test "x$ac_cv_lib_dag_dag_get_erf_types" = xyes +then : + + +printf "%s\n" "#define HAVE_DAG_GET_ERF_TYPES 1" >>confdefs.h + +fi + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for dag_get_stream_erf_types in -ldag" >&5 +printf %s "checking for dag_get_stream_erf_types in -ldag... " >&6; } +if test ${ac_cv_lib_dag_dag_get_stream_erf_types+y} +then : + printf %s "(cached) " >&6 +else $as_nop + ac_check_lib_save_LIBS=$LIBS +LIBS="-ldag $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +char dag_get_stream_erf_types (); +int +main (void) +{ +return dag_get_stream_erf_types (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO" +then : + ac_cv_lib_dag_dag_get_stream_erf_types=yes +else $as_nop + ac_cv_lib_dag_dag_get_stream_erf_types=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dag_dag_get_stream_erf_types" >&5 +printf "%s\n" "$ac_cv_lib_dag_dag_get_stream_erf_types" >&6; } +if test "x$ac_cv_lib_dag_dag_get_stream_erf_types" = xyes +then : + + +printf "%s\n" "#define HAVE_DAG_GET_STREAM_ERF_TYPES 1" >>confdefs.h + +fi + + + CFLAGS="$save_CFLAGS" + LIBS="$save_LIBS" + LDFLAGS="$save_LDFLAGS" + + + # + # We assume that if we have libdag we have libdagconf, + # as they're installed at the same time from the same + # package. + # + if test "$dag_large_streams" = 1; then + +printf "%s\n" "#define HAVE_DAG_LARGE_STREAMS_API 1" >>confdefs.h + + + save_CFLAGS="$CFLAGS" + save_LIBS="$LIBS" + save_LDFLAGS="$LDFLAGS" + + LIBS="$LIBS -ldag -ldagconf" + LDFLAGS="$LDFLAGS -L$dag_lib_dir" + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for vdag_set_device_info in -lvdag" >&5 +printf %s "checking for vdag_set_device_info in -lvdag... " >&6; } +if test ${ac_cv_lib_vdag_vdag_set_device_info+y} +then : + printf %s "(cached) " >&6 +else $as_nop + ac_check_lib_save_LIBS=$LIBS +LIBS="-lvdag $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +char vdag_set_device_info (); +int +main (void) +{ +return vdag_set_device_info (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO" +then : + ac_cv_lib_vdag_vdag_set_device_info=yes +else $as_nop + ac_cv_lib_vdag_vdag_set_device_info=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_vdag_vdag_set_device_info" >&5 +printf "%s\n" "$ac_cv_lib_vdag_vdag_set_device_info" >&6; } +if test "x$ac_cv_lib_vdag_vdag_set_device_info" = xyes +then : + ac_dag_have_vdag="1" +else $as_nop + ac_dag_have_vdag="0" +fi + + + CFLAGS="$save_CFLAGS" + LIBS="$save_LIBS" + LDFLAGS="$save_LDFLAGS" + + if test "$ac_dag_have_vdag" = 1; then + +printf "%s\n" "#define HAVE_DAG_VDAG 1" >>confdefs.h + + if test "$ac_lbl_have_pthreads" != "found"; then + as_fn_error $? "DAG requires pthreads, but we didn't find them" "$LINENO" 5 + fi + ADDITIONAL_LIBS="$ADDITIONAL_LIBS $PTHREAD_LIBS" + ADDITIONAL_LIBS_STATIC="$ADDITIONAL_LIBS_STATIC $PTHREAD_LIBS" + LIBS_PRIVATE="$LIBS_PRIVATE $PTHREAD_LIBS" + fi + fi + + +printf "%s\n" "#define HAVE_DAG_API 1" >>confdefs.h + + else + if test "$V_PCAP" = dag; then + # User requested "dag" capture type but we couldn't + # find the DAG API support. + as_fn_error $? "DAG support requested with --with-pcap=dag, but the DAG headers weren't found at $dag_include_dir: make sure the DAG support is installed, specify a different path or paths if necessary, or don't request DAG support" "$LINENO" 5 + fi + + if test "$want_dag" = yes; then + # User wanted DAG support but we couldn't find it. + as_fn_error $? "DAG support requested with --with-dag, but the DAG headers weren't found at $dag_include_dir: make sure the DAG support is installed, specify a different path or paths if necessary, or don't request DAG support" "$LINENO" 5 + fi + fi + CFLAGS="$save_CFLAGS" +fi + + +# Check whether --with-septel was given. +if test ${with_septel+y} +then : + withval=$with_septel; + if test "$withval" = no + then + want_septel=no + elif test "$withval" = yes + then + want_septel=yes + septel_root= + else + want_septel=yes + septel_root=$withval + fi + +else $as_nop + + if test "$V_PCAP" = septel; then + # User requested Septel-only libpcap, so we'd better have + # the Septel API. + want_septel=yes + elif test "xxx_only" = yes; then + # User requested something-else-only pcap, so they don't + # want Septel support. + want_septel=no + else + # + # Use Septel API if present, otherwise don't + # + want_septel=ifpresent + fi + +fi + + +ac_cv_lbl_septel_api=no +if test "$with_septel" != no; then + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether we have Septel API headers" >&5 +printf %s "checking whether we have Septel API headers... " >&6; } + + # If necessary, set default paths for Septel API headers and libraries. + if test -z "$septel_root"; then + septel_root=$srcdir/../septel + fi + + septel_tools_dir="$septel_root" + septel_include_dir="$septel_root/INC" + + if test -r "$septel_include_dir/msg.h"; then + ac_cv_lbl_septel_api=yes + fi + + if test "$ac_cv_lbl_septel_api" = yes; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes ($septel_include_dir)" >&5 +printf "%s\n" "yes ($septel_include_dir)" >&6; } + + V_INCLS="$V_INCLS -I$septel_include_dir" + ADDLOBJS="$ADDLOBJS $septel_tools_dir/asciibin.o $septel_tools_dir/bit2byte.o $septel_tools_dir/confirm.o $septel_tools_dir/fmtmsg.o $septel_tools_dir/gct_unix.o $septel_tools_dir/hqueue.o $septel_tools_dir/ident.o $septel_tools_dir/mem.o $septel_tools_dir/pack.o $septel_tools_dir/parse.o $septel_tools_dir/pool.o $septel_tools_dir/sdlsig.o $septel_tools_dir/strtonum.o $septel_tools_dir/timer.o $septel_tools_dir/trace.o" + ADDLARCHIVEOBJS="$ADDLARCHIVEOBJS $septel_tools_dir/asciibin.o $septel_tools_dir/bit2byte.o $septel_tools_dir/confirm.o $septel_tools_dir/fmtmsg.o $septel_tools_dir/gct_unix.o $septel_tools_dir/hqueue.o $septel_tools_dir/ident.o $septel_tools_dir/mem.o $septel_tools_dir/pack.o $septel_tools_dir/parse.o $septel_tools_dir/pool.o $septel_tools_dir/sdlsig.o $septel_tools_dir/strtonum.o $septel_tools_dir/timer.o $septel_tools_dir/trace.o" + + if test "$V_PCAP" != septel ; then + MODULE_C_SRC="$MODULE_C_SRC pcap-septel.c" + fi + + +printf "%s\n" "#define HAVE_SEPTEL_API 1" >>confdefs.h + + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + + if test "$V_PCAP" = septel; then + # User requested "septel" capture type but + # we couldn't find the Septel API support. + as_fn_error $? "Septel support requested with --with-pcap=septel, but the Septel headers weren't found at $septel_include_dir: make sure the Septel support is installed, specify a different path or paths if necessary, or don't request Septel support" "$LINENO" 5 + fi + + if test "$want_septel" = yes; then + # User wanted Septel support but we couldn't find it. + as_fn_error $? "Septel support requested with --with-septel, but the Septel headers weren't found at $septel_include_dir: make sure the Septel support is installed, specify a different path or paths if necessary, or don't request Septel support" "$LINENO" 5 + fi + fi +fi + +# Check for Myricom SNF support. + +# Check whether --with-snf was given. +if test ${with_snf+y} +then : + withval=$with_snf; + if test "$withval" = no + then + # User explicitly doesn't want SNF + want_snf=no + elif test "$withval" = yes + then + # User wants SNF support but hasn't specified a directory. + want_snf=yes + else + # User wants SNF support with a specified directory. + want_snf=yes + snf_root=$withval + fi + +else $as_nop + + if test "$V_PCAP" = snf; then + # User requested Sniffer-only libpcap, so we'd better have + # the Sniffer API. + want_snf=yes + elif test "xxx_only" = yes; then + # User requested something-else-only pcap, so they don't + # want SNF support. + want_snf=no + else + # + # Use Sniffer API if present, otherwise don't + # + want_snf=ifpresent + fi + +fi + + + +# Check whether --with-snf-includes was given. +if test ${with_snf_includes+y} +then : + withval=$with_snf_includes; + # User wants SNF with specific header directory + want_snf=yes + snf_include_dir=$withval + +fi + + + +# Check whether --with-snf-libraries was given. +if test ${with_snf_libraries+y} +then : + withval=$with_snf_libraries; + # User wants SNF with specific lib directory + want_snf=yes + snf_lib_dir=$withval + +fi + + +ac_cv_lbl_snf_api=no +if test "$with_snf" != no; then + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether we have Myricom Sniffer API" >&5 +printf %s "checking whether we have Myricom Sniffer API... " >&6; } + + # If necessary, set default paths for Sniffer headers and libraries. + if test -z "$snf_root"; then + snf_root=/opt/snf + fi + + if test -z "$snf_include_dir"; then + snf_include_dir="$snf_root/include" + fi + + if test -z "$snf_lib_dir"; then + snf_lib_dir="$snf_root/lib" + # + # Handle multiarch systems. + # + if test -d "$snf_lib_dir/$host" + then + snf_lib_dir="$snf_lib_dir/$host" + fi + fi + + if test -f "$snf_include_dir/snf.h"; then + # We found a header; make sure we can link with the library + + save_CFLAGS="$CFLAGS" + save_LIBS="$LIBS" + save_LDFLAGS="$LDFLAGS" + + LDFLAGS="$LDFLAGS -L$snf_lib_dir" + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for snf_init in -lsnf" >&5 +printf %s "checking for snf_init in -lsnf... " >&6; } +if test ${ac_cv_lib_snf_snf_init+y} +then : + printf %s "(cached) " >&6 +else $as_nop + ac_check_lib_save_LIBS=$LIBS +LIBS="-lsnf $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +char snf_init (); +int +main (void) +{ +return snf_init (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO" +then : + ac_cv_lib_snf_snf_init=yes +else $as_nop + ac_cv_lib_snf_snf_init=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_snf_snf_init" >&5 +printf "%s\n" "$ac_cv_lib_snf_snf_init" >&6; } +if test "x$ac_cv_lib_snf_snf_init" = xyes +then : + ac_cv_lbl_snf_api="yes" +fi + + + CFLAGS="$save_CFLAGS" + LIBS="$save_LIBS" + LDFLAGS="$save_LDFLAGS" + + if test "$ac_cv_lbl_snf_api" = no; then + as_fn_error $? "SNF API cannot correctly be linked; check config.log" "$LINENO" 5 + fi + fi + + if test "$ac_cv_lbl_snf_api" = yes; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes ($snf_root)" >&5 +printf "%s\n" "yes ($snf_root)" >&6; } + + V_INCLS="$V_INCLS -I$snf_include_dir" + ADDITIONAL_LIBS="$ADDITIONAL_LIBS -L$snf_lib_dir -lsnf" + ADDITIONAL_LIBS_STATIC="$ADDITIONAL_LIBS_STATIC -L$snf_lib_dir -lsnf" + LIBS_PRIVATE="$LIBS_PRIVATE -L$snf_lib_dir -lsnf" + + if test "$V_PCAP" != snf ; then + MODULE_C_SRC="$MODULE_C_SRC pcap-snf.c" + fi + + +printf "%s\n" "#define HAVE_SNF_API 1" >>confdefs.h + + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + + if test "$want_snf" = yes; then + # User requested "snf" capture type but + # we couldn't find the Sniffer API support. + as_fn_error $? "Myricom Sniffer support requested with --with-pcap=snf, but the Sniffer headers weren't found at $snf_include_dir: make sure the Sniffer support is installed, specify a different path or paths if necessary, or don't request Sniffer support" "$LINENO" 5 + fi + + if test "$want_snf" = yes; then + as_fn_error $? "Myricom Sniffer support requested with --with-snf, but the Sniffer headers weren't found at $snf_include_dir: make sure the Sniffer support is installed, specify a different path or paths if necessary, or don't request Sniffer support" "$LINENO" 5 + fi + fi +fi + +# Check for Riverbed TurboCap support. + +# Check whether --with-turbocap was given. +if test ${with_turbocap+y} +then : + withval=$with_turbocap; + if test "$withval" = no + then + # User explicitly doesn't want TurboCap + want_turbocap=no + elif test "$withval" = yes + then + # User wants TurboCap support but hasn't specified a directory. + want_turbocap=yes + else + # User wants TurboCap support with a specified directory. + want_turbocap=yes + turbocap_root=$withval + fi + +else $as_nop + + if test "xxx_only" = yes; then + # User requested something-else-only pcap, so they don't + # want TurboCap support. + want_turbocap=no + else + # + # Use TurboCap API if present, otherwise don't + # + want_turbocap=ifpresent + fi + +fi + + +ac_cv_lbl_turbocap_api=no +if test "$want_turbocap" != no; then + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether TurboCap is supported" >&5 +printf %s "checking whether TurboCap is supported... " >&6; } + + + save_CFLAGS="$CFLAGS" + save_LIBS="$LIBS" + save_LDFLAGS="$LDFLAGS" + + if test ! -z "$turbocap_root"; then + TURBOCAP_CFLAGS="-I$turbocap_root/include" + TURBOCAP_LDFLAGS="-L$turbocap_root/lib" + CFLAGS="$CFLAGS $TURBOCAP_CFLAGS" + LDFLAGS="$LDFLAGS $TURBOCAP_LDFLAGS" + fi + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + + #include <TcApi.h> + +int +main (void) +{ + + TC_INSTANCE a; TC_PORT b; TC_BOARD c; + TC_INSTANCE i; + (void)TcInstanceCreateByName("foo", &i); + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + ac_cv_lbl_turbocap_api=yes +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + + + CFLAGS="$save_CFLAGS" + LIBS="$save_LIBS" + LDFLAGS="$save_LDFLAGS" + + if test $ac_cv_lbl_turbocap_api = yes; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + + MODULE_C_SRC="$MODULE_C_SRC pcap-tc.c" + V_INCLS="$V_INCLS $TURBOCAP_CFLAGS" + ADDITIONAL_LIBS="$ADDITIONAL_LIBS $TURBOCAP_LDFLAGS -lTcApi -lpthread -lstdc++" + ADDITIONAL_LIBS_STATIC="$ADDITIONAL_LIBS_STATIC $TURBOCAP_LDFLAGS -lTcApi -lpthread -lstdc++" + LIBS_PRIVATE="$LIBS_PRIVATE $TURBOCAP_LDFLAGS -lTcApi -lpthread -lstdc++" + + +printf "%s\n" "#define HAVE_TC_API 1" >>confdefs.h + + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + + if test "$want_turbocap" = yes; then + # User wanted Turbo support but we couldn't find it. + as_fn_error $? "TurboCap support requested with --with-turbocap, but the TurboCap headers weren't found: make sure the TurboCap support is installed or don't request TurboCap support" "$LINENO" 5 + fi + fi +fi + +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether to enable remote packet capture" >&5 +printf %s "checking whether to enable remote packet capture... " >&6; } +# Check whether --enable-remote was given. +if test ${enable_remote+y} +then : + enableval=$enable_remote; +else $as_nop + enableval=no +fi + +case "$enableval" in +yes) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: Remote packet capture may expose libpcap-based applications" >&5 +printf "%s\n" "$as_me: WARNING: Remote packet capture may expose libpcap-based applications" >&2;} + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: to attacks by malicious remote capture servers!" >&5 +printf "%s\n" "$as_me: WARNING: to attacks by malicious remote capture servers!" >&2;} + # + # rpcapd requires pthreads on UN*X. + # + if test "$ac_lbl_have_pthreads" != "found"; then + as_fn_error $? "rpcapd requires pthreads, but we didn't find them" "$LINENO" 5 + fi + # + # It also requires crypt(). + # Do we have it in the system libraries? + # + ac_fn_c_check_func "$LINENO" "crypt" "ac_cv_func_crypt" +if test "x$ac_cv_func_crypt" = xyes +then : + +else $as_nop + + # + # No. Do we have it in -lcrypt? + # + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for crypt in -lcrypt" >&5 +printf %s "checking for crypt in -lcrypt... " >&6; } +if test ${ac_cv_lib_crypt_crypt+y} +then : + printf %s "(cached) " >&6 +else $as_nop + ac_check_lib_save_LIBS=$LIBS +LIBS="-lcrypt $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +char crypt (); +int +main (void) +{ +return crypt (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO" +then : + ac_cv_lib_crypt_crypt=yes +else $as_nop + ac_cv_lib_crypt_crypt=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_crypt_crypt" >&5 +printf "%s\n" "$ac_cv_lib_crypt_crypt" >&6; } +if test "x$ac_cv_lib_crypt_crypt" = xyes +then : + + # + # Yes; add -lcrypt to the libraries for rpcapd. + # + RPCAPD_LIBS="$RPCAPD_LIBS -lcrypt" + +else $as_nop + + as_fn_error $? "rpcapd requires crypt(), but we didn't find it" "$LINENO" 5 + +fi + + +fi + + + # + # OK, we have crypt(). Do we have getspnam()? + # + ac_fn_c_check_func "$LINENO" "getspnam" "ac_cv_func_getspnam" +if test "x$ac_cv_func_getspnam" = xyes +then : + printf "%s\n" "#define HAVE_GETSPNAM 1" >>confdefs.h + +fi + + + # + # Check for various members of struct msghdr. + # + ac_fn_c_check_member "$LINENO" "struct msghdr" "msg_control" "ac_cv_member_struct_msghdr_msg_control" " + #include \"ftmacros.h\" + #include <sys/socket.h> + +" +if test "x$ac_cv_member_struct_msghdr_msg_control" = xyes +then : + +printf "%s\n" "#define HAVE_STRUCT_MSGHDR_MSG_CONTROL 1" >>confdefs.h + + +fi + + ac_fn_c_check_member "$LINENO" "struct msghdr" "msg_flags" "ac_cv_member_struct_msghdr_msg_flags" " + #include \"ftmacros.h\" + #include <sys/socket.h> + +" +if test "x$ac_cv_member_struct_msghdr_msg_flags" = xyes +then : + +printf "%s\n" "#define HAVE_STRUCT_MSGHDR_MSG_FLAGS 1" >>confdefs.h + + +fi + + + # + # Optionally, we may want to support SSL. + # Check for OpenSSL/libressl. + # + # First, try looking for it with pkg-config, if we have it. + # + # Homebrew's pkg-config does not, by default, look for + # pkg-config files for packages it has installed. + # Furthermore, at least for OpenSSL, they appear to be + # dumped in package-specific directories whose paths are + # not only package-specific but package-version-specific. + # + # So the only way to find openssl is to get the value of + # PKG_CONFIG_PATH from "brew --env openssl" and add that + # to PKG_CONFIG_PATH. (No, we can't just assume it's under + # /usr/local; Homebrew have conveniently chosen to put it + # under /opt/homebrew on ARM.) + # + # That's the nice thing about Homebrew - it makes things easier! + # Thanks! + # + save_PKG_CONFIG_PATH="$PKG_CONFIG_PATH" + if test -n "$BREW"; then + openssl_pkgconfig_dir=`$BREW --env --plain openssl | sed -n 's/PKG_CONFIG_PATH: //p'` + PKG_CONFIG_PATH="$openssl_pkgconfig_dir:$PKG_CONFIG_PATH" + fi + +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for openssl with pkg-config" >&5 +printf %s "checking for openssl with pkg-config... " >&6; } +if test -n "$PKG_CONFIG"; then + + if { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"openssl\""; } >&5 + ($PKG_CONFIG --exists --print-errors "openssl") 2>&5 + ac_status=$? + printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + # + # The package was found, so try to get its C flags and + # libraries. + # + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: found" >&5 +printf "%s\n" "found" >&6; } + if test ! -n "$OPENSSL_CFLAGS"; then + OPENSSL_CFLAGS=`$PKG_CONFIG --cflags "openssl" 2>/dev/null` + if test "x$?" != "x0"; then + # + # That failed - report an error. + # Re-run the command, telling pkg-config to print an error + # message, capture the error message, and report it. + # This causes the configuration script to fail, as it means + # the script is almost certainly doing something wrong. + # + +if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then + _pkg_short_errors_supported=yes +else + _pkg_short_errors_supported=no +fi + if test $_pkg_short_errors_supported = yes; then + _pkg_error_string=`$PKG_CONFIG --short-errors --print-errors --cflags "openssl" 2>&1` + else + _pkg_error_string=`$PKG_CONFIG --print-errors --cflags "openssl" 2>&1` + fi + as_fn_error $? "$PKG_CONFIG --cflags \"openssl\" failed: $_pkg_error_string" "$LINENO" 5 + fi + fi + if test ! -n "$OPENSSL_LIBS"; then + OPENSSL_LIBS=`$PKG_CONFIG --libs "openssl" 2>/dev/null` + if test "x$?" != "x0"; then + # + # That failed - report an error. + # Re-run the command, telling pkg-config to print an error + # message, capture the error message, and report it. + # This causes the configuration script to fail, as it means + # the script is almost certainly doing something wrong. + # + +if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then + _pkg_short_errors_supported=yes +else + _pkg_short_errors_supported=no +fi + if test $_pkg_short_errors_supported = yes; then + _pkg_error_string=`$PKG_CONFIG --short-errors --print-errors --libs "openssl" 2>&1` + else + _pkg_error_string=`$PKG_CONFIG --print-errors --libs "openssl" 2>&1` + fi + as_fn_error $? "$PKG_CONFIG --libs \"openssl\" failed: $_pkg_error_string" "$LINENO" 5 + fi + fi + if test ! -n "$OPENSSL_LIBS_STATIC"; then + OPENSSL_LIBS_STATIC=`$PKG_CONFIG --libs --static "openssl" 2>/dev/null` + if test "x$?" != "x0"; then + # + # That failed - report an error. + # Re-run the command, telling pkg-config to print an error + # message, capture the error message, and report it. + # This causes the configuration script to fail, as it means + # the script is almost certainly doing something wrong. + # + +if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then + _pkg_short_errors_supported=yes +else + _pkg_short_errors_supported=no +fi + if test $_pkg_short_errors_supported = yes; then + _pkg_error_string=`$PKG_CONFIG --short-errors --print-errors --libs --static "openssl" 2>&1` + else + _pkg_error_string=`$PKG_CONFIG --print-errors --libs --static "openssl" 2>&1` + fi + as_fn_error $? "$PKG_CONFIG --libs --static \"openssl\" failed: $_pkg_error_string" "$LINENO" 5 + fi + fi + + # + # We found OpenSSL/libressl. + # + HAVE_OPENSSL=yes + REQUIRES_PRIVATE="$REQUIRES_PRIVATE openssl" + + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: not found" >&5 +printf "%s\n" "not found" >&6; } + : + fi +else + # No pkg-config, so obviously not found with pkg-config. + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: pkg-config not found" >&5 +printf "%s\n" "pkg-config not found" >&6; } + : +fi + + PKG_CONFIG_PATH="$save_PKG_CONFIG_PATH" + + # + # If it wasn't found, and we have Homebrew installed, see + # if it's in Homebrew. + # + if test "x$HAVE_OPENSSL" != "xyes" -a -n "$BREW"; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for openssl in Homebrew" >&5 +printf %s "checking for openssl in Homebrew... " >&6; } + # + # The brew man page lies when it speaks of + # $BREW --prefix --installed <formula> + # outputting nothing. In Homebrew 3.3.16, + # it produces output regardless of whether + # the formula is installed or not, so we + # send the standard output and error to + # the bit bucket. + # + if $BREW --prefix --installed openssl >/dev/null 2>&1; then + # + # Yes. Get the include directory and library + # directory. (No, we can't just assume it's + # under /usr/local; Homebrew have conveniently + # chosen to put it under /opt/homebrew on ARM.) + # + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + HAVE_OPENSSL=yes + openssl_path=`$BREW --prefix openssl` + OPENSSL_CFLAGS="-I$openssl_path/include" + OPENSSL_LIBS="-L$openssl_path/lib -lssl -lcrypto" + OPENSSL_LIBS_STATIC="-L$openssl_path/lib -lssl -lcrypto" + OPENSSL_LIBS_PRIVATE="-L$openssl_path/lib -lssl -lcrypto" + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + fi + fi + + # + # If it wasn't found, and /usr/local/include and /usr/local/lib + # exist, check if it's in /usr/local. (We check whether they + # exist because, if they don't exist, the compiler will warn + # about that and then ignore the argument, so they test + # using just the system header files and libraries.) + # + # We include the standard include file to 1) make sure that + # it's installed (if it's just a shared library for the + # benefit of existing programs, that's not useful) and 2) + # because SSL_library_init() is a library routine in some + # versions and a #defined wrapper around OPENSSL_init_ssl() + # in others. + # + if test "x$HAVE_OPENSSL" != "xyes" -a -d "/usr/local/include" -a -d "/usr/local/lib"; then + + save_CFLAGS="$CFLAGS" + save_LIBS="$LIBS" + save_LDFLAGS="$LDFLAGS" + + CFLAGS="$CFLAGS -I/usr/local/include" + LIBS="$LIBS -L/usr/local/lib -lssl -lcrypto" + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether we have OpenSSL/libressl in /usr/local that we can use" >&5 +printf %s "checking whether we have OpenSSL/libressl in /usr/local that we can use... " >&6; } + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +#include <openssl/ssl.h> + +int +main (void) +{ + +SSL_library_init(); +return 0; + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO" +then : + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + HAVE_OPENSSL=yes + OPENSSL_CFLAGS="-I/usr/local/include" + OPENSSL_LIBS="-L/usr/local/lib -lssl -lcrypto" + OPENSSL_LIBS_STATIC="-L/usr/local/lib -lssl -lcrypto" + OPENSSL_LIBS_PRIVATE="-L/usr/local/lib -lssl -lcrypto" + +else $as_nop + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam \ + conftest$ac_exeext conftest.$ac_ext + + CFLAGS="$save_CFLAGS" + LIBS="$save_LIBS" + LDFLAGS="$save_LDFLAGS" + + fi + + # + # If it wasn't found, check if it's a system library. + # + # We include the standard include file to 1) make sure that + # it's installed (if it's just a shared library for the + # benefit of existing programs, that's not useful) and 2) + # because SSL_library_init() is a library routine in some + # versions and a #defined wrapper around OPENSSL_init_ssl() + # in others. + # + if test "x$HAVE_OPENSSL" != "xyes"; then + + save_CFLAGS="$CFLAGS" + save_LIBS="$LIBS" + save_LDFLAGS="$LDFLAGS" + + LIBS="$LIBS -lssl -lcrypto" + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether we have a system OpenSSL/libressl that we can use" >&5 +printf %s "checking whether we have a system OpenSSL/libressl that we can use... " >&6; } + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +#include <openssl/ssl.h> + +int +main (void) +{ + +SSL_library_init(); +return 0; + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO" +then : + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + HAVE_OPENSSL=yes + OPENSSL_LIBS="-lssl -lcrypto" + OPENSSL_LIBS_STATIC="-lssl -lcrypto" + OPENSSL_LIBS_PRIVATE="-lssl -lcrypto" + +else $as_nop + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam \ + conftest$ac_exeext conftest.$ac_ext + + CFLAGS="$save_CFLAGS" + LIBS="$save_LIBS" + LDFLAGS="$save_LDFLAGS" + + fi + + # + # OK, did we find it? + # + if test "x$HAVE_OPENSSL" = "xyes"; then + +printf "%s\n" "#define HAVE_OPENSSL 1" >>confdefs.h + + V_INCLS="$V_INCLS $OPENSSL_CFLAGS" + ADDITIONAL_LIBS="$ADDITIONAL_LIBS $OPENSSL_LIBS" + ADDITIONAL_LIBS_STATIC="$ADDITIONAL_LIBS_STATIC $OPENSSL_LIBS_STATIC" + LIBS_PRIVATE="$LIBS_PRIVATE $OPENSSL_LIBS_PRIVATE" + REQUIRES_PRIVATE="$REQUIRES_PRIVATE $OPENSSL_REQUIRES_PRIVATE" + REMOTE_C_SRC="$REMOTE_C_SRC sslutils.c" + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: OpenSSL not found" >&5 +printf "%s\n" "$as_me: OpenSSL not found" >&6;} + fi + + +printf "%s\n" "#define ENABLE_REMOTE /**/" >>confdefs.h + + REMOTE_C_SRC="$REMOTE_C_SRC pcap-new.c pcap-rpcap.c rpcap-protocol.c sockutils.c" + BUILD_RPCAPD=build-rpcapd + INSTALL_RPCAPD=install-rpcapd + ;; +*) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + ;; +esac + +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether to build optimizer debugging code" >&5 +printf %s "checking whether to build optimizer debugging code... " >&6; } +# Check whether --enable-optimizer-dbg was given. +if test ${enable_optimizer_dbg+y} +then : + enableval=$enable_optimizer_dbg; +fi + +if test "$enable_optimizer_dbg" = "yes"; then + +printf "%s\n" "#define BDEBUG 1" >>confdefs.h + +fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: ${enable_optimizer_dbg-no}" >&5 +printf "%s\n" "${enable_optimizer_dbg-no}" >&6; } + +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether to build parser debugging code" >&5 +printf %s "checking whether to build parser debugging code... " >&6; } +# Check whether --enable-yydebug was given. +if test ${enable_yydebug+y} +then : + enableval=$enable_yydebug; +fi + +if test "$enable_yydebug" = "yes"; then + +printf "%s\n" "#define YYDEBUG 1" >>confdefs.h + +fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: ${enable_yydebug-no}" >&5 +printf "%s\n" "${enable_yydebug-no}" >&6; } + +# +# Look for {f}lex. +# +for ac_prog in flex lex +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +printf %s "checking for $ac_word... " >&6; } +if test ${ac_cv_prog_LEX+y} +then : + printf %s "(cached) " >&6 +else $as_nop + if test -n "$LEX"; then + ac_cv_prog_LEX="$LEX" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + case $as_dir in #((( + '') as_dir=./ ;; + */) ;; + *) as_dir=$as_dir/ ;; + esac + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then + ac_cv_prog_LEX="$ac_prog" + printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +LEX=$ac_cv_prog_LEX +if test -n "$LEX"; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $LEX" >&5 +printf "%s\n" "$LEX" >&6; } +else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } +fi + + + test -n "$LEX" && break +done +test -n "$LEX" || LEX=":" + + if test "x$LEX" != "x:"; then + cat >conftest.l <<_ACEOF +%{ +#ifdef __cplusplus +extern "C" +#endif +int yywrap(void); +%} +%% +a { ECHO; } +b { REJECT; } +c { yymore (); } +d { yyless (1); } +e { /* IRIX 6.5 flex 2.5.4 underquotes its yyless argument. */ +#ifdef __cplusplus + yyless ((yyinput () != 0)); +#else + yyless ((input () != 0)); +#endif + } +f { unput (yytext[0]); } +. { BEGIN INITIAL; } +%% +#ifdef YYTEXT_POINTER +extern char *yytext; +#endif +int +yywrap (void) +{ + return 1; +} +int +main (void) +{ + return ! yylex (); +} +_ACEOF +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for lex output file root" >&5 +printf %s "checking for lex output file root... " >&6; } +if test ${ac_cv_prog_lex_root+y} +then : + printf %s "(cached) " >&6 +else $as_nop + +ac_cv_prog_lex_root=unknown +{ { ac_try="$LEX conftest.l" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +printf "%s\n" "$ac_try_echo"; } >&5 + (eval "$LEX conftest.l") 2>&5 + ac_status=$? + printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } && +if test -f lex.yy.c; then + ac_cv_prog_lex_root=lex.yy +elif test -f lexyy.c; then + ac_cv_prog_lex_root=lexyy +fi +fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_lex_root" >&5 +printf "%s\n" "$ac_cv_prog_lex_root" >&6; } +if test "$ac_cv_prog_lex_root" = unknown +then : + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: cannot find output from $LEX; giving up on $LEX" >&5 +printf "%s\n" "$as_me: WARNING: cannot find output from $LEX; giving up on $LEX" >&2;} + LEX=: LEXLIB= +fi +LEX_OUTPUT_ROOT=$ac_cv_prog_lex_root + +if test ${LEXLIB+y} +then : + +else $as_nop + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for lex library" >&5 +printf %s "checking for lex library... " >&6; } +if test ${ac_cv_lib_lex+y} +then : + printf %s "(cached) " >&6 +else $as_nop + + ac_save_LIBS="$LIBS" + ac_found=false + for ac_cv_lib_lex in 'none needed' -lfl -ll 'not found'; do + case $ac_cv_lib_lex in #( + 'none needed') : + ;; #( + 'not found') : + break ;; #( + *) : + LIBS="$ac_cv_lib_lex $ac_save_LIBS" ;; #( + *) : + ;; +esac + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +`cat $LEX_OUTPUT_ROOT.c` +_ACEOF +if ac_fn_c_try_link "$LINENO" +then : + ac_found=: +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam \ + conftest$ac_exeext conftest.$ac_ext + if $ac_found; then + break + fi + done + LIBS="$ac_save_LIBS" + +fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_lex" >&5 +printf "%s\n" "$ac_cv_lib_lex" >&6; } + if test "$ac_cv_lib_lex" = 'not found' +then : + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: required lex library not found; giving up on $LEX" >&5 +printf "%s\n" "$as_me: WARNING: required lex library not found; giving up on $LEX" >&2;} + LEX=: LEXLIB= +elif test "$ac_cv_lib_lex" = 'none needed' +then : + LEXLIB='' +else $as_nop + LEXLIB=$ac_cv_lib_lex +fi + ac_save_LIBS="$LIBS" + LIBS= + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for library containing yywrap" >&5 +printf %s "checking for library containing yywrap... " >&6; } +if test ${ac_cv_search_yywrap+y} +then : + printf %s "(cached) " >&6 +else $as_nop + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +char yywrap (); +int +main (void) +{ +return yywrap (); + ; + return 0; +} +_ACEOF +for ac_lib in '' fl l +do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO" +then : + ac_cv_search_yywrap=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam \ + conftest$ac_exeext + if test ${ac_cv_search_yywrap+y} +then : + break +fi +done +if test ${ac_cv_search_yywrap+y} +then : + +else $as_nop + ac_cv_search_yywrap=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_yywrap" >&5 +printf "%s\n" "$ac_cv_search_yywrap" >&6; } +ac_res=$ac_cv_search_yywrap +if test "$ac_res" != no +then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + LEXLIB="$LIBS" +fi + + LIBS="$ac_save_LIBS" +fi + + +if test "$LEX" != : +then : + +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether yytext is a pointer" >&5 +printf %s "checking whether yytext is a pointer... " >&6; } +if test ${ac_cv_prog_lex_yytext_pointer+y} +then : + printf %s "(cached) " >&6 +else $as_nop + # POSIX says lex can declare yytext either as a pointer or an array; the +# default is implementation-dependent. Figure out which it is, since +# not all implementations provide the %pointer and %array declarations. +ac_cv_prog_lex_yytext_pointer=no +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + + #define YYTEXT_POINTER 1 +`cat $LEX_OUTPUT_ROOT.c` +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + ac_cv_prog_lex_yytext_pointer=yes +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + +fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_lex_yytext_pointer" >&5 +printf "%s\n" "$ac_cv_prog_lex_yytext_pointer" >&6; } +if test $ac_cv_prog_lex_yytext_pointer = yes; then + +printf "%s\n" "#define YYTEXT_POINTER 1" >>confdefs.h + +fi + +fi +rm -f conftest.l $LEX_OUTPUT_ROOT.c + +fi +if test "$LEX" = ":"; then + as_fn_error $? "Neither flex nor lex was found." "$LINENO" 5 +fi + +# +# Make sure {f}lex supports the -P, --header-file, and --nounput flags +# and supports processing our scanner.l. +# +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for capable lex" >&5 +printf %s "checking for capable lex... " >&6; } +if test ${tcpdump_cv_capable_lex+y} +then : + printf %s "(cached) " >&6 +else $as_nop + if $LEX -P pcap_ --header-file=/dev/null --nounput -t $srcdir/scanner.l > /dev/null 2>&1; then + tcpdump_cv_capable_lex=yes + else + tcpdump_cv_capable_lex=insufficient + fi +fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $tcpdump_cv_capable_lex" >&5 +printf "%s\n" "$tcpdump_cv_capable_lex" >&6; } +if test $tcpdump_cv_capable_lex = insufficient ; then + as_fn_error $? "$LEX is insufficient to compile libpcap. + libpcap requires Flex 2.5.31 or later, or a compatible version of lex. + If a suitable version of Lex/Flex is available as a non-standard command + and/or not in the PATH, you can specify it using the LEX environment + variable. That said, on some systems the error can mean that Flex/Lex is + actually acceptable, but m4 is not. Likewise, if a suitable version of + m4 (such as GNU M4) is available but has not been detected, you can + specify it using the M4 environment variable." "$LINENO" 5 +fi + +# +# Look for yacc/bison/byacc. +# If it's Bison, we do not want -y, as 1) we will be using -o to cause +# the output for XXX.y to be written to XXX.c and 2) we don't want +# it to issue warnings about stuff not supported by POSIX YACC - we +# want to use that stuff, and don't care whether plain YACC supports +# it or not, we require either Bison or Berkeley YACC. +# +BISON_BYACC="" +# +# Look for Bison. +# +for ac_prog in bison +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +printf %s "checking for $ac_word... " >&6; } +if test ${ac_cv_prog_BISON_BYACC+y} +then : + printf %s "(cached) " >&6 +else $as_nop + if test -n "$BISON_BYACC"; then + ac_cv_prog_BISON_BYACC="$BISON_BYACC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + case $as_dir in #((( + '') as_dir=./ ;; + */) ;; + *) as_dir=$as_dir/ ;; + esac + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then + ac_cv_prog_BISON_BYACC="$ac_prog" + printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +BISON_BYACC=$ac_cv_prog_BISON_BYACC +if test -n "$BISON_BYACC"; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $BISON_BYACC" >&5 +printf "%s\n" "$BISON_BYACC" >&6; } +else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } +fi + + + test -n "$BISON_BYACC" && break +done + +if test x"$BISON_BYACC" != x; then + # + # We found Bison. + # + # Bison prior to 2.4(.1) doesn't support "%define api.pure", so use + # "%pure-parser". + # + bison_major_version=`$BISON_BYACC -V | sed -n 's/.* \([1-9][0-9]*\)\.[0-9][0-9.]*/\1/p'` + bison_minor_version=`$BISON_BYACC -V | sed -n 's/.* [1-9][0-9]*\.\([0-9]+\).*/\1/p'` + if test "$bison_major_version" -lt 2 -o \ + \( "$bison_major_version" -eq 2 -a "$bison_major_version" -lt 4 \) + then + REENTRANT_PARSER="%pure-parser" + else + REENTRANT_PARSER="%define api.pure" + fi +else + # + # We didn't find Bison; check for Berkeley YACC, under the + # names byacc and yacc. + # + for ac_prog in byacc yacc +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +printf %s "checking for $ac_word... " >&6; } +if test ${ac_cv_prog_BISON_BYACC+y} +then : + printf %s "(cached) " >&6 +else $as_nop + if test -n "$BISON_BYACC"; then + ac_cv_prog_BISON_BYACC="$BISON_BYACC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + case $as_dir in #((( + '') as_dir=./ ;; + */) ;; + *) as_dir=$as_dir/ ;; + esac + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then + ac_cv_prog_BISON_BYACC="$ac_prog" + printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +BISON_BYACC=$ac_cv_prog_BISON_BYACC +if test -n "$BISON_BYACC"; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $BISON_BYACC" >&5 +printf "%s\n" "$BISON_BYACC" >&6; } +else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } +fi + + + test -n "$BISON_BYACC" && break +done + + if test x"$BISON_BYACC" != x; then + # + # Make sure this is Berkeley YACC, not AT&T YACC; + # the latter doesn't support reentrant parsers. + # Run it with "-V"; that succeeds and reports the + # version number with Berkeley YACC, but will + # (probably) fail with various vendor flavors + # of AT&T YACC. + # + # Hopefully this also eliminates any versions + # of Berkeley YACC that don't support reentrant + # parsers, if there are any. + # + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for capable yacc" >&5 +printf %s "checking for capable yacc... " >&6; } +if test ${tcpdump_cv_capable_yacc+y} +then : + printf %s "(cached) " >&6 +else $as_nop + if $BISON_BYACC -V >/dev/null 2>&1; then + tcpdump_cv_capable_yacc=yes + else + tcpdump_cv_capable_yacc=insufficient + fi +fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $tcpdump_cv_capable_yacc" >&5 +printf "%s\n" "$tcpdump_cv_capable_yacc" >&6; } + if test $tcpdump_cv_capable_yacc = insufficient ; then + as_fn_error $? "$BISON_BYACC is insufficient to compile libpcap. + libpcap requires Bison, a newer version of Berkeley YACC with support + for reentrant parsers, or another YACC compatible with them." "$LINENO" 5 + fi + else + # + # OK, we found neither byacc nor yacc. + # + as_fn_error $? "Neither bison, byacc, nor yacc was found. + libpcap requires Bison, a newer version of Berkeley YACC with support + for reentrant parsers, or another YACC compatible with them." "$LINENO" 5 + fi + + # + # Berkeley YACC doesn't support "%define api.pure", so use + # "%pure-parser". + # + REENTRANT_PARSER="%pure-parser" +fi + + + +# +# Do various checks for various OSes and versions of those OSes. +# +# Assume, by default, no support for shared libraries and V7/BSD +# convention for man pages (devices in section 4, file formats in +# section 5, miscellaneous info in section 7, administrative commands +# and daemons in section 8). Individual cases can override this. +# +DYEXT="none" +MAN_DEVICES=4 +MAN_FILE_FORMATS=5 +MAN_MISC_INFO=7 +MAN_ADMIN_COMMANDS=8 +case "$host_os" in + +aix*) + +printf "%s\n" "#define _SUN 1" >>confdefs.h + + + # + # AIX makes it fun to build shared and static libraries, + # because they're *both* ".a" archive libraries. We + # build the static library for the benefit of the traditional + # scheme of building libpcap and tcpdump in subdirectories of + # the same directory, with tcpdump statically linked with the + # libpcap in question, but we also build a shared library as + # "libpcap.shareda" and install *it*, rather than the static + # library, as "libpcap.a". + # + DYEXT="shareda" + + case "$V_PCAP" in + + dlpi) + # + # If we're using DLPI, applications will need to + # use /lib/pse.exp if present, as we use the + # STREAMS routines. + # + pseexe="/lib/pse.exp" + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $pseexe" >&5 +printf %s "checking for $pseexe... " >&6; } + if test -f $pseexe ; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + LIBS="-I:$pseexe" + fi + ;; + + bpf) + # + # If we're using BPF, we need "-lodm" and "-lcfg", as + # we use them to load the BPF module. + # + LIBS="-lodm -lcfg" + ;; + esac + ;; + +darwin*) + DYEXT="dylib" + V_CCOPT="$V_CCOPT -fno-common" + # Check whether --enable-universal was given. +if test ${enable_universal+y} +then : + enableval=$enable_universal; +fi + + if test "$enable_universal" != "no"; then + case "$host_os" in + + darwin[0-7].*) + # + # Pre-Tiger. Build only for 32-bit PowerPC; no + # need for any special compiler or linker flags. + # + ;; + + darwin8.[0123]|darwin8.[0123].*) + # + # Tiger, prior to Intel support. Build + # libraries and executables for 32-bit PowerPC + # and 64-bit PowerPC, with 32-bit PowerPC first. + # (I'm guessing that's what Apple does.) + # + # (The double brackets are needed because + # autotools/m4 use brackets as a quoting + # character; the double brackets turn into + # single brackets in the generated configure + # file.) + # + V_LIB_CCOPT_FAT="-arch ppc -arch ppc64" + V_LIB_LDFLAGS_FAT="-arch ppc -arch ppc64" + V_PROG_CCOPT_FAT="-arch ppc -arch ppc64" + V_PROG_LDFLAGS_FAT="-arch ppc -arch ppc64" + ;; + + darwin8.[456]|darwin8.[456].*) + # + # Tiger, subsequent to Intel support but prior + # to x86-64 support. Build libraries and + # executables for 32-bit PowerPC, 64-bit + # PowerPC, and 32-bit x86, with 32-bit PowerPC + # first. (I'm guessing that's what Apple does.) + # + # (The double brackets are needed because + # autotools/m4 use brackets as a quoting + # character; the double brackets turn into + # single brackets in the generated configure + # file.) + # + V_LIB_CCOPT_FAT="-arch ppc -arch ppc64 -arch i386" + V_LIB_LDFLAGS_FAT="-arch ppc -arch ppc64 -arch i386" + V_PROG_CCOPT_FAT="-arch ppc -arch ppc64 -arch i386" + V_PROG_LDFLAGS_FAT="-arch ppc -arch ppc64 -arch i386" + ;; + + darwin8.*) + # + # All other Tiger, so subsequent to x86-64 + # support. Build libraries and executables for + # 32-bit PowerPC, 64-bit PowerPC, 32-bit x86, + # and x86-64, with 32-bit PowerPC first. (I'm + # guessing that's what Apple does.) + # + V_LIB_CCOPT_FAT="-arch ppc -arch ppc64 -arch i386 -arch x86_64" + V_LIB_LDFLAGS_FAT="-arch ppc -arch ppc64 -arch i386 -arch x86_64" + V_PROG_CCOPT_FAT="-arch ppc -arch ppc64 -arch i386 -arch x86_64" + V_PROG_LDFLAGS_FAT="-arch ppc -arch ppc64 -arch i386 -arch x86_64" + ;; + + darwin9.*) + # + # Leopard. Build libraries for 32-bit PowerPC, + # 64-bit PowerPC, 32-bit x86, and x86-64, with + # 32-bit PowerPC first, and build executables + # for 32-bit x86 and 32-bit PowerPC, with 32-bit + # x86 first. (That's what Apple does.) + # + V_LIB_CCOPT_FAT="-arch ppc -arch ppc64 -arch i386 -arch x86_64" + V_LIB_LDFLAGS_FAT="-arch ppc -arch ppc64 -arch i386 -arch x86_64" + V_PROG_CCOPT_FAT="-arch i386 -arch ppc" + V_PROG_LDFLAGS_FAT="-arch i386 -arch ppc" + ;; + + darwin10.*) + # + # Snow Leopard. Build libraries for x86-64, + # 32-bit x86, and 32-bit PowerPC, with x86-64 + # first, and build executables for x86-64 and + # 32-bit x86, with x86-64 first. (That's what + # Apple does, even though Snow Leopard doesn't + # run on PPC, so PPC libpcap runs under Rosetta, + # and Rosetta doesn't support BPF ioctls, so PPC + # programs can't do live captures.) + # + V_LIB_CCOPT_FAT="-arch x86_64 -arch i386 -arch ppc" + V_LIB_LDFLAGS_FAT="-arch x86_64 -arch i386 -arch ppc" + V_PROG_CCOPT_FAT="-arch x86_64 -arch i386" + V_PROG_LDFLAGS_FAT="-arch x86_64 -arch i386" + ;; + + darwin1[1-8]*) + # + # Post-Snow Leopard, pre-Catalina. Build + # libraries for x86-64 and 32-bit x86, with + # x86-64 first, and build executables only for + # x86-64. (That's what Apple does.) This + # requires no special flags for programs. + # + # We check whether we *can* build for i386 and, + # if not, suggest that the user install the + # /usr/include headers if they want to build + # fat. + # + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether building for 32-bit x86 is supported" >&5 +printf %s "checking whether building for 32-bit x86 is supported... " >&6; } + + save_CFLAGS="$CFLAGS" + save_LIBS="$LIBS" + save_LDFLAGS="$LDFLAGS" + + CFLAGS="$CFLAGS -arch i386" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main (void) +{ +return 0; + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO" +then : + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + V_LIB_CCOPT_FAT="-arch x86_64" + V_LIB_LDFLAGS_FAT="-arch x86_64" + + # + # OpenSSL installation on macOS seems + # to install only the libs for 64-bit + # x86 - at least that's what Brew does: + # only configure 32-bit builds if we + # don't have OpenSSL. + # + if test "$HAVE_OPENSSL" != yes; then + V_LIB_CCOPT_FAT="$V_LIB_CCOPT_FAT -arch i386" + V_LIB_LDFLAGS_FAT="$V_LIB_LDFLAGS_FAT -arch i386" + fi + +else $as_nop + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + V_LIB_CCOPT_FAT="-arch x86_64" + V_LIB_LDFLAGS_FAT="-arch x86_64" + case "$host_os" in + + darwin18.*) + # + # Mojave; you need to install the + # /usr/include headers to get + # 32-bit x86 builds to work. + # + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: Compiling for 32-bit x86 gives an error; try installing the command-line tools and, after that, installing the /usr/include headers from the /Library/Developer/CommandLineTools/Packages/macOS_SDK_headers_for_macOS_10.14.pkg package" >&5 +printf "%s\n" "$as_me: WARNING: Compiling for 32-bit x86 gives an error; try installing the command-line tools and, after that, installing the /usr/include headers from the /Library/Developer/CommandLineTools/Packages/macOS_SDK_headers_for_macOS_10.14.pkg package" >&2;} + ;; + + *) + # + # Pre-Mojave; the command-line + # tools should be sufficient to + # enable 32-bit x86 builds. + # + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: Compiling for 32-bit x86 gives an error; try installing the command-line tools" >&5 +printf "%s\n" "$as_me: WARNING: Compiling for 32-bit x86 gives an error; try installing the command-line tools" >&2;} + ;; + esac + +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam \ + conftest$ac_exeext conftest.$ac_ext + + CFLAGS="$save_CFLAGS" + LIBS="$save_LIBS" + LDFLAGS="$save_LDFLAGS" + + ;; + + darwin19*) + # + # Catalina. Build libraries and executables + # only for x86-64. (That's what Apple does; + # 32-bit x86 binaries are not supported on + # Catalina.) + # + V_LIB_CCOPT_FAT="-arch x86_64" + V_LIB_LDFLAGS_FAT="-arch x86_64" + V_PROG_CCOPT_FAT="-arch x86_64" + V_PROG_LDFLAGS_FAT="-arch x86_64" + ;; + + darwin*) + # + # Post-Catalina. Build libraries and + # executables for x86-64 and ARM64. + # (That's what Apple does, except they + # build for arm64e, which may include + # some of the pointer-checking extensions.) + # + # If we're building with libssl, make sure + # we can build fat with it (i.e., that it + # was built fat); if we can't, don't set + # the target architectures, and just + # build for the host we're on. + # + # Otherwise, just add both of them. + # + if test "$HAVE_OPENSSL" = yes; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether building fat with libssl is supported" >&5 +printf %s "checking whether building fat with libssl is supported... " >&6; } + + save_CFLAGS="$CFLAGS" + save_LIBS="$LIBS" + save_LDFLAGS="$LDFLAGS" + + CFLAGS="$CFLAGS -arch x86_64 -arch arm64" + LDFLAGS="$LDFLAGS $OPENSSL_LIBS" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + + #include <openssl/ssl.h> + +int +main (void) +{ + + SSL_library_init(); + return 0; + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO" +then : + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + V_LIB_CCOPT_FAT="-arch x86_64 -arch arm64" + V_LIB_LDFLAGS_FAT="-arch x86_64 -arch arm64" + V_PROG_CCOPT_FAT="-arch x86_64 -arch arm64" + V_PROG_LDFLAGS_FAT="-arch x86_64 -arch arm64" + +else $as_nop + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam \ + conftest$ac_exeext conftest.$ac_ext + + CFLAGS="$save_CFLAGS" + LIBS="$save_LIBS" + LDFLAGS="$save_LDFLAGS" + + else + V_LIB_CCOPT_FAT="-arch x86_64 -arch arm64" + V_LIB_LDFLAGS_FAT="-arch x86_64 -arch arm64" + V_PROG_CCOPT_FAT="-arch x86_64 -arch arm64" + V_PROG_LDFLAGS_FAT="-arch x86_64 -arch arm64" + fi + ;; + esac + fi + ;; + +hpux9*) + +printf "%s\n" "#define HAVE_HPUX9 1" >>confdefs.h + + + # + # Use System V conventions for man pages. + # + MAN_ADMIN_COMMANDS=1m + MAN_FILE_FORMATS=4 + MAN_MISC_INFO=5 + ;; + +hpux10.0*) + + # + # Use System V conventions for man pages. + # + MAN_ADMIN_COMMANDS=1m + MAN_FILE_FORMATS=4 + MAN_MISC_INFO=5 + ;; + +hpux10.1*) + + # + # Use System V conventions for man pages. + # + MAN_ADMIN_COMMANDS=1m + MAN_FILE_FORMATS=4 + MAN_MISC_INFO=5 + ;; + +hpux*) + +printf "%s\n" "#define HAVE_HPUX10_20_OR_LATER 1" >>confdefs.h + + if test "`uname -m`" = "ia64"; then + DYEXT="so" + else + DYEXT="sl" + fi + + # + # "-b" builds a shared library; "+h" sets the soname. + # + SHLIB_OPT="-b" + SONAME_OPT="+h" + + # + # Use System V conventions for man pages. + # + MAN_FILE_FORMATS=4 + MAN_MISC_INFO=5 + ;; + +irix*) + # + # Use IRIX conventions for man pages; they're the same as the + # System V conventions, except that they use section 8 for + # administrative commands and daemons. + # + MAN_FILE_FORMATS=4 + MAN_MISC_INFO=5 + ;; + +linux*|freebsd*|netbsd*|openbsd*|dragonfly*|kfreebsd*|gnu*|haiku*|midipix*) + DYEXT="so" + ;; + +osf*) + DYEXT="so" + + # + # DEC OSF/1, a/k/a Digital UNIX, a/k/a Tru64 UNIX. + # Use Tru64 UNIX conventions for man pages; they're the same as + # the System V conventions except that they use section 8 for + # administrative commands and daemons. + # + MAN_FILE_FORMATS=4 + MAN_MISC_INFO=5 + MAN_DEVICES=7 + ;; + +sinix*) + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if SINIX compiler defines sinix" >&5 +printf %s "checking if SINIX compiler defines sinix... " >&6; } + if test ${ac_cv_cc_sinix_defined+y} +then : + printf %s "(cached) " >&6 +else $as_nop + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main (void) +{ +int i = sinix; + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + ac_cv_cc_sinix_defined=yes +else $as_nop + ac_cv_cc_sinix_defined=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext +fi + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_cc_sinix_defined" >&5 +printf "%s\n" "$ac_cv_cc_sinix_defined" >&6; } + if test $ac_cv_cc_sinix_defined = no ; then + +printf "%s\n" "#define sinix 1" >>confdefs.h + + fi + ;; + +solaris*) + +printf "%s\n" "#define HAVE_SOLARIS 1" >>confdefs.h + + + DYEXT="so" + + # + # Make sure errno is thread-safe, in case we're called in + # a multithreaded program. We don't guarantee that two + # threads can use the *same* pcap_t safely, but the + # current version does guarantee that you can use different + # pcap_t's in different threads, and even that pcap_compile() + # is thread-safe (it wasn't thread-safe in some older versions). + # + V_CCOPT="$V_CCOPT -D_TS_ERRNO" + + case "`uname -r`" in + + 5.12) + ;; + + *) + # + # Use System V conventions for man pages. + # + MAN_ADMIN_COMMANDS=1m + MAN_FILE_FORMATS=4 + MAN_MISC_INFO=5 + MAN_DEVICES=7D + esac + ;; +esac + + + + + + + + + + +# Check whether --enable-shared was given. +if test ${enable_shared+y} +then : + enableval=$enable_shared; +fi + +test "x$enable_shared" = "xno" && DYEXT="none" + +if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}ranlib", so it can be a program name with args. +set dummy ${ac_tool_prefix}ranlib; ac_word=$2 +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +printf %s "checking for $ac_word... " >&6; } +if test ${ac_cv_prog_RANLIB+y} +then : + printf %s "(cached) " >&6 +else $as_nop + if test -n "$RANLIB"; then + ac_cv_prog_RANLIB="$RANLIB" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + case $as_dir in #((( + '') as_dir=./ ;; + */) ;; + *) as_dir=$as_dir/ ;; + esac + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then + ac_cv_prog_RANLIB="${ac_tool_prefix}ranlib" + printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +RANLIB=$ac_cv_prog_RANLIB +if test -n "$RANLIB"; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $RANLIB" >&5 +printf "%s\n" "$RANLIB" >&6; } +else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_RANLIB"; then + ac_ct_RANLIB=$RANLIB + # Extract the first word of "ranlib", so it can be a program name with args. +set dummy ranlib; ac_word=$2 +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +printf %s "checking for $ac_word... " >&6; } +if test ${ac_cv_prog_ac_ct_RANLIB+y} +then : + printf %s "(cached) " >&6 +else $as_nop + if test -n "$ac_ct_RANLIB"; then + ac_cv_prog_ac_ct_RANLIB="$ac_ct_RANLIB" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + case $as_dir in #((( + '') as_dir=./ ;; + */) ;; + *) as_dir=$as_dir/ ;; + esac + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_RANLIB="ranlib" + printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_RANLIB=$ac_cv_prog_ac_ct_RANLIB +if test -n "$ac_ct_RANLIB"; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_RANLIB" >&5 +printf "%s\n" "$ac_ct_RANLIB" >&6; } +else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } +fi + + if test "x$ac_ct_RANLIB" = x; then + RANLIB=":" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + RANLIB=$ac_ct_RANLIB + fi +else + RANLIB="$ac_cv_prog_RANLIB" +fi + +if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}ar", so it can be a program name with args. +set dummy ${ac_tool_prefix}ar; ac_word=$2 +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +printf %s "checking for $ac_word... " >&6; } +if test ${ac_cv_prog_AR+y} +then : + printf %s "(cached) " >&6 +else $as_nop + if test -n "$AR"; then + ac_cv_prog_AR="$AR" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + case $as_dir in #((( + '') as_dir=./ ;; + */) ;; + *) as_dir=$as_dir/ ;; + esac + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then + ac_cv_prog_AR="${ac_tool_prefix}ar" + printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +AR=$ac_cv_prog_AR +if test -n "$AR"; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $AR" >&5 +printf "%s\n" "$AR" >&6; } +else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_AR"; then + ac_ct_AR=$AR + # Extract the first word of "ar", so it can be a program name with args. +set dummy ar; ac_word=$2 +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +printf %s "checking for $ac_word... " >&6; } +if test ${ac_cv_prog_ac_ct_AR+y} +then : + printf %s "(cached) " >&6 +else $as_nop + if test -n "$ac_ct_AR"; then + ac_cv_prog_ac_ct_AR="$ac_ct_AR" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + case $as_dir in #((( + '') as_dir=./ ;; + */) ;; + *) as_dir=$as_dir/ ;; + esac + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_AR="ar" + printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_AR=$ac_cv_prog_ac_ct_AR +if test -n "$ac_ct_AR"; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_AR" >&5 +printf "%s\n" "$ac_ct_AR" >&6; } +else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } +fi + + if test "x$ac_ct_AR" = x; then + AR="" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + AR=$ac_ct_AR + fi +else + AR="$ac_cv_prog_AR" +fi + + +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether ln -s works" >&5 +printf %s "checking whether ln -s works... " >&6; } +LN_S=$as_ln_s +if test "$LN_S" = "ln -s"; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } +else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no, using $LN_S" >&5 +printf "%s\n" "no, using $LN_S" >&6; } +fi + + + +rm -f os-proto.h + if test "${LBL_CFLAGS+set}" = set; then + V_CCOPT="$V_CCOPT ${LBL_CFLAGS}" + fi + if test -f .devel ; then + # + # Skip all the warning option stuff on some compilers. + # + if test "$ac_lbl_cc_dont_try_gcc_dashW" != yes; then + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -W option" >&5 +printf %s "checking whether the compiler supports the -W option... " >&6; } + save_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS -W" + # + # XXX - yes, this depends on the way AC_LANG_WERROR works, + # but no mechanism is provided to turn AC_LANG_WERROR on + # *and then turn it back off*, so that we *only* do it when + # testing compiler options - 15 years after somebody asked + # for it: + # + # https://autoconf.gnu.narkive.com/gTAVmfKD/how-to-cancel-flags-set-by-ac-lang-werror + # + save_ac_c_werror_flag="$ac_c_werror_flag" + ac_c_werror_flag=yes + # + # We use AC_LANG_SOURCE() so that we can control the complete + # content of the program being compiled. We do not, for example, + # want the default "int main()" that AC_LANG_PROGRAM() generates, + # as it will generate a warning with -Wold-style-definition, meaning + # that we would treat it as not working, as the test will fail if + # *any* error output, including a warning due to the flag we're + # testing, is generated; see + # + # https://www.postgresql.org/message-id/2192993.1591682589%40sss.pgh.pa.us + # https://www.postgresql.org/message-id/2192993.1591682589%40sss.pgh.pa.us + # + # This may, as per those two messages, be fixed in autoconf 2.70, + # but we only require 2.69 or newer for now. + # + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(void) { return 0; } +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + can_add_to_cflags=yes + # + # The compile supports this; do we have some C code for + # which the warning should *not* appear? + # We test the fourth argument because the third argument + # could contain quotes, breaking the test. + # + if test "x" != "x" + then + CFLAGS="$CFLAGS $ac_lbl_cc_force_warning_errors" + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether -W " >&5 +printf %s "checking whether -W ... " >&6; } + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + + # + # Not a problem. + # + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + +else $as_nop + + # + # A problem. + # + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + can_add_to_cflags=no + +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + fi + CFLAGS="$save_CFLAGS" + if test x"$can_add_to_cflags" = "xyes" + then + V_CCOPT="$V_CCOPT -W" + fi + +else $as_nop + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + CFLAGS="$save_CFLAGS" + +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + ac_c_werror_flag="$save_ac_c_werror_flag" + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wall option" >&5 +printf %s "checking whether the compiler supports the -Wall option... " >&6; } + save_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS -Wall" + # + # XXX - yes, this depends on the way AC_LANG_WERROR works, + # but no mechanism is provided to turn AC_LANG_WERROR on + # *and then turn it back off*, so that we *only* do it when + # testing compiler options - 15 years after somebody asked + # for it: + # + # https://autoconf.gnu.narkive.com/gTAVmfKD/how-to-cancel-flags-set-by-ac-lang-werror + # + save_ac_c_werror_flag="$ac_c_werror_flag" + ac_c_werror_flag=yes + # + # We use AC_LANG_SOURCE() so that we can control the complete + # content of the program being compiled. We do not, for example, + # want the default "int main()" that AC_LANG_PROGRAM() generates, + # as it will generate a warning with -Wold-style-definition, meaning + # that we would treat it as not working, as the test will fail if + # *any* error output, including a warning due to the flag we're + # testing, is generated; see + # + # https://www.postgresql.org/message-id/2192993.1591682589%40sss.pgh.pa.us + # https://www.postgresql.org/message-id/2192993.1591682589%40sss.pgh.pa.us + # + # This may, as per those two messages, be fixed in autoconf 2.70, + # but we only require 2.69 or newer for now. + # + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(void) { return 0; } +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + can_add_to_cflags=yes + # + # The compile supports this; do we have some C code for + # which the warning should *not* appear? + # We test the fourth argument because the third argument + # could contain quotes, breaking the test. + # + if test "x" != "x" + then + CFLAGS="$CFLAGS $ac_lbl_cc_force_warning_errors" + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether -Wall " >&5 +printf %s "checking whether -Wall ... " >&6; } + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + + # + # Not a problem. + # + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + +else $as_nop + + # + # A problem. + # + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + can_add_to_cflags=no + +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + fi + CFLAGS="$save_CFLAGS" + if test x"$can_add_to_cflags" = "xyes" + then + V_CCOPT="$V_CCOPT -Wall" + fi + +else $as_nop + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + CFLAGS="$save_CFLAGS" + +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + ac_c_werror_flag="$save_ac_c_werror_flag" + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wcomma option" >&5 +printf %s "checking whether the compiler supports the -Wcomma option... " >&6; } + save_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS -Wcomma" + # + # XXX - yes, this depends on the way AC_LANG_WERROR works, + # but no mechanism is provided to turn AC_LANG_WERROR on + # *and then turn it back off*, so that we *only* do it when + # testing compiler options - 15 years after somebody asked + # for it: + # + # https://autoconf.gnu.narkive.com/gTAVmfKD/how-to-cancel-flags-set-by-ac-lang-werror + # + save_ac_c_werror_flag="$ac_c_werror_flag" + ac_c_werror_flag=yes + # + # We use AC_LANG_SOURCE() so that we can control the complete + # content of the program being compiled. We do not, for example, + # want the default "int main()" that AC_LANG_PROGRAM() generates, + # as it will generate a warning with -Wold-style-definition, meaning + # that we would treat it as not working, as the test will fail if + # *any* error output, including a warning due to the flag we're + # testing, is generated; see + # + # https://www.postgresql.org/message-id/2192993.1591682589%40sss.pgh.pa.us + # https://www.postgresql.org/message-id/2192993.1591682589%40sss.pgh.pa.us + # + # This may, as per those two messages, be fixed in autoconf 2.70, + # but we only require 2.69 or newer for now. + # + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(void) { return 0; } +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + can_add_to_cflags=yes + # + # The compile supports this; do we have some C code for + # which the warning should *not* appear? + # We test the fourth argument because the third argument + # could contain quotes, breaking the test. + # + if test "x" != "x" + then + CFLAGS="$CFLAGS $ac_lbl_cc_force_warning_errors" + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether -Wcomma " >&5 +printf %s "checking whether -Wcomma ... " >&6; } + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + + # + # Not a problem. + # + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + +else $as_nop + + # + # A problem. + # + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + can_add_to_cflags=no + +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + fi + CFLAGS="$save_CFLAGS" + if test x"$can_add_to_cflags" = "xyes" + then + V_CCOPT="$V_CCOPT -Wcomma" + fi + +else $as_nop + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + CFLAGS="$save_CFLAGS" + +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + ac_c_werror_flag="$save_ac_c_werror_flag" + + # Warns about safeguards added in case the enums are + # extended + # AC_LBL_CHECK_COMPILER_OPT(V_CCOPT, -Wcovered-switch-default) + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wdocumentation option" >&5 +printf %s "checking whether the compiler supports the -Wdocumentation option... " >&6; } + save_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS -Wdocumentation" + # + # XXX - yes, this depends on the way AC_LANG_WERROR works, + # but no mechanism is provided to turn AC_LANG_WERROR on + # *and then turn it back off*, so that we *only* do it when + # testing compiler options - 15 years after somebody asked + # for it: + # + # https://autoconf.gnu.narkive.com/gTAVmfKD/how-to-cancel-flags-set-by-ac-lang-werror + # + save_ac_c_werror_flag="$ac_c_werror_flag" + ac_c_werror_flag=yes + # + # We use AC_LANG_SOURCE() so that we can control the complete + # content of the program being compiled. We do not, for example, + # want the default "int main()" that AC_LANG_PROGRAM() generates, + # as it will generate a warning with -Wold-style-definition, meaning + # that we would treat it as not working, as the test will fail if + # *any* error output, including a warning due to the flag we're + # testing, is generated; see + # + # https://www.postgresql.org/message-id/2192993.1591682589%40sss.pgh.pa.us + # https://www.postgresql.org/message-id/2192993.1591682589%40sss.pgh.pa.us + # + # This may, as per those two messages, be fixed in autoconf 2.70, + # but we only require 2.69 or newer for now. + # + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(void) { return 0; } +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + can_add_to_cflags=yes + # + # The compile supports this; do we have some C code for + # which the warning should *not* appear? + # We test the fourth argument because the third argument + # could contain quotes, breaking the test. + # + if test "x" != "x" + then + CFLAGS="$CFLAGS $ac_lbl_cc_force_warning_errors" + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether -Wdocumentation " >&5 +printf %s "checking whether -Wdocumentation ... " >&6; } + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + + # + # Not a problem. + # + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + +else $as_nop + + # + # A problem. + # + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + can_add_to_cflags=no + +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + fi + CFLAGS="$save_CFLAGS" + if test x"$can_add_to_cflags" = "xyes" + then + V_CCOPT="$V_CCOPT -Wdocumentation" + fi + +else $as_nop + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + CFLAGS="$save_CFLAGS" + +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + ac_c_werror_flag="$save_ac_c_werror_flag" + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wformat-nonliteral option" >&5 +printf %s "checking whether the compiler supports the -Wformat-nonliteral option... " >&6; } + save_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS -Wformat-nonliteral" + # + # XXX - yes, this depends on the way AC_LANG_WERROR works, + # but no mechanism is provided to turn AC_LANG_WERROR on + # *and then turn it back off*, so that we *only* do it when + # testing compiler options - 15 years after somebody asked + # for it: + # + # https://autoconf.gnu.narkive.com/gTAVmfKD/how-to-cancel-flags-set-by-ac-lang-werror + # + save_ac_c_werror_flag="$ac_c_werror_flag" + ac_c_werror_flag=yes + # + # We use AC_LANG_SOURCE() so that we can control the complete + # content of the program being compiled. We do not, for example, + # want the default "int main()" that AC_LANG_PROGRAM() generates, + # as it will generate a warning with -Wold-style-definition, meaning + # that we would treat it as not working, as the test will fail if + # *any* error output, including a warning due to the flag we're + # testing, is generated; see + # + # https://www.postgresql.org/message-id/2192993.1591682589%40sss.pgh.pa.us + # https://www.postgresql.org/message-id/2192993.1591682589%40sss.pgh.pa.us + # + # This may, as per those two messages, be fixed in autoconf 2.70, + # but we only require 2.69 or newer for now. + # + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(void) { return 0; } +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + can_add_to_cflags=yes + # + # The compile supports this; do we have some C code for + # which the warning should *not* appear? + # We test the fourth argument because the third argument + # could contain quotes, breaking the test. + # + if test "x" != "x" + then + CFLAGS="$CFLAGS $ac_lbl_cc_force_warning_errors" + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether -Wformat-nonliteral " >&5 +printf %s "checking whether -Wformat-nonliteral ... " >&6; } + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + + # + # Not a problem. + # + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + +else $as_nop + + # + # A problem. + # + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + can_add_to_cflags=no + +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + fi + CFLAGS="$save_CFLAGS" + if test x"$can_add_to_cflags" = "xyes" + then + V_CCOPT="$V_CCOPT -Wformat-nonliteral" + fi + +else $as_nop + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + CFLAGS="$save_CFLAGS" + +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + ac_c_werror_flag="$save_ac_c_werror_flag" + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wmissing-noreturn option" >&5 +printf %s "checking whether the compiler supports the -Wmissing-noreturn option... " >&6; } + save_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS -Wmissing-noreturn" + # + # XXX - yes, this depends on the way AC_LANG_WERROR works, + # but no mechanism is provided to turn AC_LANG_WERROR on + # *and then turn it back off*, so that we *only* do it when + # testing compiler options - 15 years after somebody asked + # for it: + # + # https://autoconf.gnu.narkive.com/gTAVmfKD/how-to-cancel-flags-set-by-ac-lang-werror + # + save_ac_c_werror_flag="$ac_c_werror_flag" + ac_c_werror_flag=yes + # + # We use AC_LANG_SOURCE() so that we can control the complete + # content of the program being compiled. We do not, for example, + # want the default "int main()" that AC_LANG_PROGRAM() generates, + # as it will generate a warning with -Wold-style-definition, meaning + # that we would treat it as not working, as the test will fail if + # *any* error output, including a warning due to the flag we're + # testing, is generated; see + # + # https://www.postgresql.org/message-id/2192993.1591682589%40sss.pgh.pa.us + # https://www.postgresql.org/message-id/2192993.1591682589%40sss.pgh.pa.us + # + # This may, as per those two messages, be fixed in autoconf 2.70, + # but we only require 2.69 or newer for now. + # + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(void) { return 0; } +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + can_add_to_cflags=yes + # + # The compile supports this; do we have some C code for + # which the warning should *not* appear? + # We test the fourth argument because the third argument + # could contain quotes, breaking the test. + # + if test "x" != "x" + then + CFLAGS="$CFLAGS $ac_lbl_cc_force_warning_errors" + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether -Wmissing-noreturn " >&5 +printf %s "checking whether -Wmissing-noreturn ... " >&6; } + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + + # + # Not a problem. + # + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + +else $as_nop + + # + # A problem. + # + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + can_add_to_cflags=no + +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + fi + CFLAGS="$save_CFLAGS" + if test x"$can_add_to_cflags" = "xyes" + then + V_CCOPT="$V_CCOPT -Wmissing-noreturn" + fi + +else $as_nop + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + CFLAGS="$save_CFLAGS" + +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + ac_c_werror_flag="$save_ac_c_werror_flag" + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wmissing-prototypes option" >&5 +printf %s "checking whether the compiler supports the -Wmissing-prototypes option... " >&6; } + save_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS -Wmissing-prototypes" + # + # XXX - yes, this depends on the way AC_LANG_WERROR works, + # but no mechanism is provided to turn AC_LANG_WERROR on + # *and then turn it back off*, so that we *only* do it when + # testing compiler options - 15 years after somebody asked + # for it: + # + # https://autoconf.gnu.narkive.com/gTAVmfKD/how-to-cancel-flags-set-by-ac-lang-werror + # + save_ac_c_werror_flag="$ac_c_werror_flag" + ac_c_werror_flag=yes + # + # We use AC_LANG_SOURCE() so that we can control the complete + # content of the program being compiled. We do not, for example, + # want the default "int main()" that AC_LANG_PROGRAM() generates, + # as it will generate a warning with -Wold-style-definition, meaning + # that we would treat it as not working, as the test will fail if + # *any* error output, including a warning due to the flag we're + # testing, is generated; see + # + # https://www.postgresql.org/message-id/2192993.1591682589%40sss.pgh.pa.us + # https://www.postgresql.org/message-id/2192993.1591682589%40sss.pgh.pa.us + # + # This may, as per those two messages, be fixed in autoconf 2.70, + # but we only require 2.69 or newer for now. + # + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(void) { return 0; } +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + can_add_to_cflags=yes + # + # The compile supports this; do we have some C code for + # which the warning should *not* appear? + # We test the fourth argument because the third argument + # could contain quotes, breaking the test. + # + if test "x" != "x" + then + CFLAGS="$CFLAGS $ac_lbl_cc_force_warning_errors" + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether -Wmissing-prototypes " >&5 +printf %s "checking whether -Wmissing-prototypes ... " >&6; } + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + + # + # Not a problem. + # + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + +else $as_nop + + # + # A problem. + # + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + can_add_to_cflags=no + +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + fi + CFLAGS="$save_CFLAGS" + if test x"$can_add_to_cflags" = "xyes" + then + V_CCOPT="$V_CCOPT -Wmissing-prototypes" + fi + +else $as_nop + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + CFLAGS="$save_CFLAGS" + +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + ac_c_werror_flag="$save_ac_c_werror_flag" + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wmissing-variable-declarations option" >&5 +printf %s "checking whether the compiler supports the -Wmissing-variable-declarations option... " >&6; } + save_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS -Wmissing-variable-declarations" + # + # XXX - yes, this depends on the way AC_LANG_WERROR works, + # but no mechanism is provided to turn AC_LANG_WERROR on + # *and then turn it back off*, so that we *only* do it when + # testing compiler options - 15 years after somebody asked + # for it: + # + # https://autoconf.gnu.narkive.com/gTAVmfKD/how-to-cancel-flags-set-by-ac-lang-werror + # + save_ac_c_werror_flag="$ac_c_werror_flag" + ac_c_werror_flag=yes + # + # We use AC_LANG_SOURCE() so that we can control the complete + # content of the program being compiled. We do not, for example, + # want the default "int main()" that AC_LANG_PROGRAM() generates, + # as it will generate a warning with -Wold-style-definition, meaning + # that we would treat it as not working, as the test will fail if + # *any* error output, including a warning due to the flag we're + # testing, is generated; see + # + # https://www.postgresql.org/message-id/2192993.1591682589%40sss.pgh.pa.us + # https://www.postgresql.org/message-id/2192993.1591682589%40sss.pgh.pa.us + # + # This may, as per those two messages, be fixed in autoconf 2.70, + # but we only require 2.69 or newer for now. + # + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(void) { return 0; } +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + can_add_to_cflags=yes + # + # The compile supports this; do we have some C code for + # which the warning should *not* appear? + # We test the fourth argument because the third argument + # could contain quotes, breaking the test. + # + if test "x" != "x" + then + CFLAGS="$CFLAGS $ac_lbl_cc_force_warning_errors" + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether -Wmissing-variable-declarations " >&5 +printf %s "checking whether -Wmissing-variable-declarations ... " >&6; } + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + + # + # Not a problem. + # + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + +else $as_nop + + # + # A problem. + # + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + can_add_to_cflags=no + +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + fi + CFLAGS="$save_CFLAGS" + if test x"$can_add_to_cflags" = "xyes" + then + V_CCOPT="$V_CCOPT -Wmissing-variable-declarations" + fi + +else $as_nop + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + CFLAGS="$save_CFLAGS" + +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + ac_c_werror_flag="$save_ac_c_werror_flag" + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wnull-pointer-subtraction option" >&5 +printf %s "checking whether the compiler supports the -Wnull-pointer-subtraction option... " >&6; } + save_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS -Wnull-pointer-subtraction" + # + # XXX - yes, this depends on the way AC_LANG_WERROR works, + # but no mechanism is provided to turn AC_LANG_WERROR on + # *and then turn it back off*, so that we *only* do it when + # testing compiler options - 15 years after somebody asked + # for it: + # + # https://autoconf.gnu.narkive.com/gTAVmfKD/how-to-cancel-flags-set-by-ac-lang-werror + # + save_ac_c_werror_flag="$ac_c_werror_flag" + ac_c_werror_flag=yes + # + # We use AC_LANG_SOURCE() so that we can control the complete + # content of the program being compiled. We do not, for example, + # want the default "int main()" that AC_LANG_PROGRAM() generates, + # as it will generate a warning with -Wold-style-definition, meaning + # that we would treat it as not working, as the test will fail if + # *any* error output, including a warning due to the flag we're + # testing, is generated; see + # + # https://www.postgresql.org/message-id/2192993.1591682589%40sss.pgh.pa.us + # https://www.postgresql.org/message-id/2192993.1591682589%40sss.pgh.pa.us + # + # This may, as per those two messages, be fixed in autoconf 2.70, + # but we only require 2.69 or newer for now. + # + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(void) { return 0; } +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + can_add_to_cflags=yes + # + # The compile supports this; do we have some C code for + # which the warning should *not* appear? + # We test the fourth argument because the third argument + # could contain quotes, breaking the test. + # + if test "x" != "x" + then + CFLAGS="$CFLAGS $ac_lbl_cc_force_warning_errors" + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether -Wnull-pointer-subtraction " >&5 +printf %s "checking whether -Wnull-pointer-subtraction ... " >&6; } + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + + # + # Not a problem. + # + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + +else $as_nop + + # + # A problem. + # + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + can_add_to_cflags=no + +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + fi + CFLAGS="$save_CFLAGS" + if test x"$can_add_to_cflags" = "xyes" + then + V_CCOPT="$V_CCOPT -Wnull-pointer-subtraction" + fi + +else $as_nop + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + CFLAGS="$save_CFLAGS" + +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + ac_c_werror_flag="$save_ac_c_werror_flag" + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wpointer-arith option" >&5 +printf %s "checking whether the compiler supports the -Wpointer-arith option... " >&6; } + save_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS -Wpointer-arith" + # + # XXX - yes, this depends on the way AC_LANG_WERROR works, + # but no mechanism is provided to turn AC_LANG_WERROR on + # *and then turn it back off*, so that we *only* do it when + # testing compiler options - 15 years after somebody asked + # for it: + # + # https://autoconf.gnu.narkive.com/gTAVmfKD/how-to-cancel-flags-set-by-ac-lang-werror + # + save_ac_c_werror_flag="$ac_c_werror_flag" + ac_c_werror_flag=yes + # + # We use AC_LANG_SOURCE() so that we can control the complete + # content of the program being compiled. We do not, for example, + # want the default "int main()" that AC_LANG_PROGRAM() generates, + # as it will generate a warning with -Wold-style-definition, meaning + # that we would treat it as not working, as the test will fail if + # *any* error output, including a warning due to the flag we're + # testing, is generated; see + # + # https://www.postgresql.org/message-id/2192993.1591682589%40sss.pgh.pa.us + # https://www.postgresql.org/message-id/2192993.1591682589%40sss.pgh.pa.us + # + # This may, as per those two messages, be fixed in autoconf 2.70, + # but we only require 2.69 or newer for now. + # + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(void) { return 0; } +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + can_add_to_cflags=yes + # + # The compile supports this; do we have some C code for + # which the warning should *not* appear? + # We test the fourth argument because the third argument + # could contain quotes, breaking the test. + # + if test "x" != "x" + then + CFLAGS="$CFLAGS $ac_lbl_cc_force_warning_errors" + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether -Wpointer-arith " >&5 +printf %s "checking whether -Wpointer-arith ... " >&6; } + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + + # + # Not a problem. + # + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + +else $as_nop + + # + # A problem. + # + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + can_add_to_cflags=no + +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + fi + CFLAGS="$save_CFLAGS" + if test x"$can_add_to_cflags" = "xyes" + then + V_CCOPT="$V_CCOPT -Wpointer-arith" + fi + +else $as_nop + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + CFLAGS="$save_CFLAGS" + +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + ac_c_werror_flag="$save_ac_c_werror_flag" + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wpointer-sign option" >&5 +printf %s "checking whether the compiler supports the -Wpointer-sign option... " >&6; } + save_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS -Wpointer-sign" + # + # XXX - yes, this depends on the way AC_LANG_WERROR works, + # but no mechanism is provided to turn AC_LANG_WERROR on + # *and then turn it back off*, so that we *only* do it when + # testing compiler options - 15 years after somebody asked + # for it: + # + # https://autoconf.gnu.narkive.com/gTAVmfKD/how-to-cancel-flags-set-by-ac-lang-werror + # + save_ac_c_werror_flag="$ac_c_werror_flag" + ac_c_werror_flag=yes + # + # We use AC_LANG_SOURCE() so that we can control the complete + # content of the program being compiled. We do not, for example, + # want the default "int main()" that AC_LANG_PROGRAM() generates, + # as it will generate a warning with -Wold-style-definition, meaning + # that we would treat it as not working, as the test will fail if + # *any* error output, including a warning due to the flag we're + # testing, is generated; see + # + # https://www.postgresql.org/message-id/2192993.1591682589%40sss.pgh.pa.us + # https://www.postgresql.org/message-id/2192993.1591682589%40sss.pgh.pa.us + # + # This may, as per those two messages, be fixed in autoconf 2.70, + # but we only require 2.69 or newer for now. + # + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(void) { return 0; } +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + can_add_to_cflags=yes + # + # The compile supports this; do we have some C code for + # which the warning should *not* appear? + # We test the fourth argument because the third argument + # could contain quotes, breaking the test. + # + if test "x" != "x" + then + CFLAGS="$CFLAGS $ac_lbl_cc_force_warning_errors" + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether -Wpointer-sign " >&5 +printf %s "checking whether -Wpointer-sign ... " >&6; } + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + + # + # Not a problem. + # + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + +else $as_nop + + # + # A problem. + # + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + can_add_to_cflags=no + +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + fi + CFLAGS="$save_CFLAGS" + if test x"$can_add_to_cflags" = "xyes" + then + V_CCOPT="$V_CCOPT -Wpointer-sign" + fi + +else $as_nop + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + CFLAGS="$save_CFLAGS" + +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + ac_c_werror_flag="$save_ac_c_werror_flag" + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wshadow option" >&5 +printf %s "checking whether the compiler supports the -Wshadow option... " >&6; } + save_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS -Wshadow" + # + # XXX - yes, this depends on the way AC_LANG_WERROR works, + # but no mechanism is provided to turn AC_LANG_WERROR on + # *and then turn it back off*, so that we *only* do it when + # testing compiler options - 15 years after somebody asked + # for it: + # + # https://autoconf.gnu.narkive.com/gTAVmfKD/how-to-cancel-flags-set-by-ac-lang-werror + # + save_ac_c_werror_flag="$ac_c_werror_flag" + ac_c_werror_flag=yes + # + # We use AC_LANG_SOURCE() so that we can control the complete + # content of the program being compiled. We do not, for example, + # want the default "int main()" that AC_LANG_PROGRAM() generates, + # as it will generate a warning with -Wold-style-definition, meaning + # that we would treat it as not working, as the test will fail if + # *any* error output, including a warning due to the flag we're + # testing, is generated; see + # + # https://www.postgresql.org/message-id/2192993.1591682589%40sss.pgh.pa.us + # https://www.postgresql.org/message-id/2192993.1591682589%40sss.pgh.pa.us + # + # This may, as per those two messages, be fixed in autoconf 2.70, + # but we only require 2.69 or newer for now. + # + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(void) { return 0; } +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + can_add_to_cflags=yes + # + # The compile supports this; do we have some C code for + # which the warning should *not* appear? + # We test the fourth argument because the third argument + # could contain quotes, breaking the test. + # + if test "x" != "x" + then + CFLAGS="$CFLAGS $ac_lbl_cc_force_warning_errors" + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether -Wshadow " >&5 +printf %s "checking whether -Wshadow ... " >&6; } + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + + # + # Not a problem. + # + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + +else $as_nop + + # + # A problem. + # + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + can_add_to_cflags=no + +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + fi + CFLAGS="$save_CFLAGS" + if test x"$can_add_to_cflags" = "xyes" + then + V_CCOPT="$V_CCOPT -Wshadow" + fi + +else $as_nop + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + CFLAGS="$save_CFLAGS" + +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + ac_c_werror_flag="$save_ac_c_werror_flag" + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wshorten-64-to-32 option" >&5 +printf %s "checking whether the compiler supports the -Wshorten-64-to-32 option... " >&6; } + save_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS -Wshorten-64-to-32" + # + # XXX - yes, this depends on the way AC_LANG_WERROR works, + # but no mechanism is provided to turn AC_LANG_WERROR on + # *and then turn it back off*, so that we *only* do it when + # testing compiler options - 15 years after somebody asked + # for it: + # + # https://autoconf.gnu.narkive.com/gTAVmfKD/how-to-cancel-flags-set-by-ac-lang-werror + # + save_ac_c_werror_flag="$ac_c_werror_flag" + ac_c_werror_flag=yes + # + # We use AC_LANG_SOURCE() so that we can control the complete + # content of the program being compiled. We do not, for example, + # want the default "int main()" that AC_LANG_PROGRAM() generates, + # as it will generate a warning with -Wold-style-definition, meaning + # that we would treat it as not working, as the test will fail if + # *any* error output, including a warning due to the flag we're + # testing, is generated; see + # + # https://www.postgresql.org/message-id/2192993.1591682589%40sss.pgh.pa.us + # https://www.postgresql.org/message-id/2192993.1591682589%40sss.pgh.pa.us + # + # This may, as per those two messages, be fixed in autoconf 2.70, + # but we only require 2.69 or newer for now. + # + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(void) { return 0; } +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + can_add_to_cflags=yes + # + # The compile supports this; do we have some C code for + # which the warning should *not* appear? + # We test the fourth argument because the third argument + # could contain quotes, breaking the test. + # + if test "x" != "x" + then + CFLAGS="$CFLAGS $ac_lbl_cc_force_warning_errors" + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether -Wshorten-64-to-32 " >&5 +printf %s "checking whether -Wshorten-64-to-32 ... " >&6; } + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + + # + # Not a problem. + # + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + +else $as_nop + + # + # A problem. + # + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + can_add_to_cflags=no + +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + fi + CFLAGS="$save_CFLAGS" + if test x"$can_add_to_cflags" = "xyes" + then + V_CCOPT="$V_CCOPT -Wshorten-64-to-32" + fi + +else $as_nop + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + CFLAGS="$save_CFLAGS" + +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + ac_c_werror_flag="$save_ac_c_werror_flag" + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wsign-compare option" >&5 +printf %s "checking whether the compiler supports the -Wsign-compare option... " >&6; } + save_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS -Wsign-compare" + # + # XXX - yes, this depends on the way AC_LANG_WERROR works, + # but no mechanism is provided to turn AC_LANG_WERROR on + # *and then turn it back off*, so that we *only* do it when + # testing compiler options - 15 years after somebody asked + # for it: + # + # https://autoconf.gnu.narkive.com/gTAVmfKD/how-to-cancel-flags-set-by-ac-lang-werror + # + save_ac_c_werror_flag="$ac_c_werror_flag" + ac_c_werror_flag=yes + # + # We use AC_LANG_SOURCE() so that we can control the complete + # content of the program being compiled. We do not, for example, + # want the default "int main()" that AC_LANG_PROGRAM() generates, + # as it will generate a warning with -Wold-style-definition, meaning + # that we would treat it as not working, as the test will fail if + # *any* error output, including a warning due to the flag we're + # testing, is generated; see + # + # https://www.postgresql.org/message-id/2192993.1591682589%40sss.pgh.pa.us + # https://www.postgresql.org/message-id/2192993.1591682589%40sss.pgh.pa.us + # + # This may, as per those two messages, be fixed in autoconf 2.70, + # but we only require 2.69 or newer for now. + # + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(void) { return 0; } +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + can_add_to_cflags=yes + # + # The compile supports this; do we have some C code for + # which the warning should *not* appear? + # We test the fourth argument because the third argument + # could contain quotes, breaking the test. + # + if test "x" != "x" + then + CFLAGS="$CFLAGS $ac_lbl_cc_force_warning_errors" + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether -Wsign-compare " >&5 +printf %s "checking whether -Wsign-compare ... " >&6; } + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + + # + # Not a problem. + # + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + +else $as_nop + + # + # A problem. + # + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + can_add_to_cflags=no + +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + fi + CFLAGS="$save_CFLAGS" + if test x"$can_add_to_cflags" = "xyes" + then + V_CCOPT="$V_CCOPT -Wsign-compare" + fi + +else $as_nop + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + CFLAGS="$save_CFLAGS" + +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + ac_c_werror_flag="$save_ac_c_werror_flag" + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wstrict-prototypes option" >&5 +printf %s "checking whether the compiler supports the -Wstrict-prototypes option... " >&6; } + save_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS -Wstrict-prototypes" + # + # XXX - yes, this depends on the way AC_LANG_WERROR works, + # but no mechanism is provided to turn AC_LANG_WERROR on + # *and then turn it back off*, so that we *only* do it when + # testing compiler options - 15 years after somebody asked + # for it: + # + # https://autoconf.gnu.narkive.com/gTAVmfKD/how-to-cancel-flags-set-by-ac-lang-werror + # + save_ac_c_werror_flag="$ac_c_werror_flag" + ac_c_werror_flag=yes + # + # We use AC_LANG_SOURCE() so that we can control the complete + # content of the program being compiled. We do not, for example, + # want the default "int main()" that AC_LANG_PROGRAM() generates, + # as it will generate a warning with -Wold-style-definition, meaning + # that we would treat it as not working, as the test will fail if + # *any* error output, including a warning due to the flag we're + # testing, is generated; see + # + # https://www.postgresql.org/message-id/2192993.1591682589%40sss.pgh.pa.us + # https://www.postgresql.org/message-id/2192993.1591682589%40sss.pgh.pa.us + # + # This may, as per those two messages, be fixed in autoconf 2.70, + # but we only require 2.69 or newer for now. + # + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(void) { return 0; } +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + can_add_to_cflags=yes + # + # The compile supports this; do we have some C code for + # which the warning should *not* appear? + # We test the fourth argument because the third argument + # could contain quotes, breaking the test. + # + if test "x" != "x" + then + CFLAGS="$CFLAGS $ac_lbl_cc_force_warning_errors" + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether -Wstrict-prototypes " >&5 +printf %s "checking whether -Wstrict-prototypes ... " >&6; } + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + + # + # Not a problem. + # + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + +else $as_nop + + # + # A problem. + # + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + can_add_to_cflags=no + +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + fi + CFLAGS="$save_CFLAGS" + if test x"$can_add_to_cflags" = "xyes" + then + V_CCOPT="$V_CCOPT -Wstrict-prototypes" + fi + +else $as_nop + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + CFLAGS="$save_CFLAGS" + +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + ac_c_werror_flag="$save_ac_c_werror_flag" + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wundef option" >&5 +printf %s "checking whether the compiler supports the -Wundef option... " >&6; } + save_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS -Wundef" + # + # XXX - yes, this depends on the way AC_LANG_WERROR works, + # but no mechanism is provided to turn AC_LANG_WERROR on + # *and then turn it back off*, so that we *only* do it when + # testing compiler options - 15 years after somebody asked + # for it: + # + # https://autoconf.gnu.narkive.com/gTAVmfKD/how-to-cancel-flags-set-by-ac-lang-werror + # + save_ac_c_werror_flag="$ac_c_werror_flag" + ac_c_werror_flag=yes + # + # We use AC_LANG_SOURCE() so that we can control the complete + # content of the program being compiled. We do not, for example, + # want the default "int main()" that AC_LANG_PROGRAM() generates, + # as it will generate a warning with -Wold-style-definition, meaning + # that we would treat it as not working, as the test will fail if + # *any* error output, including a warning due to the flag we're + # testing, is generated; see + # + # https://www.postgresql.org/message-id/2192993.1591682589%40sss.pgh.pa.us + # https://www.postgresql.org/message-id/2192993.1591682589%40sss.pgh.pa.us + # + # This may, as per those two messages, be fixed in autoconf 2.70, + # but we only require 2.69 or newer for now. + # + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(void) { return 0; } +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + can_add_to_cflags=yes + # + # The compile supports this; do we have some C code for + # which the warning should *not* appear? + # We test the fourth argument because the third argument + # could contain quotes, breaking the test. + # + if test "x" != "x" + then + CFLAGS="$CFLAGS $ac_lbl_cc_force_warning_errors" + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether -Wundef " >&5 +printf %s "checking whether -Wundef ... " >&6; } + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + + # + # Not a problem. + # + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + +else $as_nop + + # + # A problem. + # + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + can_add_to_cflags=no + +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + fi + CFLAGS="$save_CFLAGS" + if test x"$can_add_to_cflags" = "xyes" + then + V_CCOPT="$V_CCOPT -Wundef" + fi + +else $as_nop + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + CFLAGS="$save_CFLAGS" + +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + ac_c_werror_flag="$save_ac_c_werror_flag" + + # + # This can cause problems with ntohs(), ntohl(), + # htons(), and htonl() on some platforms, such + # as OpenBSD 6.3 with Clang 5.0.1. I guess the + # problem is that the macro that ultimately does + # the byte-swapping involves a conditional + # expression that tests whether the value being + # swapped is a compile-time constant or not, + # using __builtin_constant_p(), and, depending + # on whether it is, does a compile-time swap or + # a run-time swap; perhaps the compiler always + # considers one of the two results of the + # conditional expression is never evaluated, + # because the conditional check is done at + # compile time, and thus always says "that + # expression is never executed". + # + # (Perhaps there should be a way of flagging + # an expression that you *want* evaluated at + # compile time, so that the compiler 1) warns + # if it *can't* be evaluated at compile time + # and 2) *doesn't* warn that the true or false + # branch will never be reached.) + # + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wunreachable-code option" >&5 +printf %s "checking whether the compiler supports the -Wunreachable-code option... " >&6; } + save_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS -Wunreachable-code" + # + # XXX - yes, this depends on the way AC_LANG_WERROR works, + # but no mechanism is provided to turn AC_LANG_WERROR on + # *and then turn it back off*, so that we *only* do it when + # testing compiler options - 15 years after somebody asked + # for it: + # + # https://autoconf.gnu.narkive.com/gTAVmfKD/how-to-cancel-flags-set-by-ac-lang-werror + # + save_ac_c_werror_flag="$ac_c_werror_flag" + ac_c_werror_flag=yes + # + # We use AC_LANG_SOURCE() so that we can control the complete + # content of the program being compiled. We do not, for example, + # want the default "int main()" that AC_LANG_PROGRAM() generates, + # as it will generate a warning with -Wold-style-definition, meaning + # that we would treat it as not working, as the test will fail if + # *any* error output, including a warning due to the flag we're + # testing, is generated; see + # + # https://www.postgresql.org/message-id/2192993.1591682589%40sss.pgh.pa.us + # https://www.postgresql.org/message-id/2192993.1591682589%40sss.pgh.pa.us + # + # This may, as per those two messages, be fixed in autoconf 2.70, + # but we only require 2.69 or newer for now. + # + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(void) { return 0; } +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + can_add_to_cflags=yes + # + # The compile supports this; do we have some C code for + # which the warning should *not* appear? + # We test the fourth argument because the third argument + # could contain quotes, breaking the test. + # + if test "xgenerates warnings from ntohs()" != "x" + then + CFLAGS="$CFLAGS $ac_lbl_cc_force_warning_errors" + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether -Wunreachable-code generates warnings from ntohs()" >&5 +printf %s "checking whether -Wunreachable-code generates warnings from ntohs()... " >&6; } + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include <arpa/inet.h> + +unsigned short +testme(unsigned short a) +{ + return ntohs(a); +} + +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + + # + # Not a problem. + # + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + +else $as_nop + + # + # A problem. + # + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + can_add_to_cflags=no + +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + fi + CFLAGS="$save_CFLAGS" + if test x"$can_add_to_cflags" = "xyes" + then + V_CCOPT="$V_CCOPT -Wunreachable-code" + fi + +else $as_nop + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + CFLAGS="$save_CFLAGS" + +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + ac_c_werror_flag="$save_ac_c_werror_flag" + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wunused-but-set-parameter option" >&5 +printf %s "checking whether the compiler supports the -Wunused-but-set-parameter option... " >&6; } + save_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS -Wunused-but-set-parameter" + # + # XXX - yes, this depends on the way AC_LANG_WERROR works, + # but no mechanism is provided to turn AC_LANG_WERROR on + # *and then turn it back off*, so that we *only* do it when + # testing compiler options - 15 years after somebody asked + # for it: + # + # https://autoconf.gnu.narkive.com/gTAVmfKD/how-to-cancel-flags-set-by-ac-lang-werror + # + save_ac_c_werror_flag="$ac_c_werror_flag" + ac_c_werror_flag=yes + # + # We use AC_LANG_SOURCE() so that we can control the complete + # content of the program being compiled. We do not, for example, + # want the default "int main()" that AC_LANG_PROGRAM() generates, + # as it will generate a warning with -Wold-style-definition, meaning + # that we would treat it as not working, as the test will fail if + # *any* error output, including a warning due to the flag we're + # testing, is generated; see + # + # https://www.postgresql.org/message-id/2192993.1591682589%40sss.pgh.pa.us + # https://www.postgresql.org/message-id/2192993.1591682589%40sss.pgh.pa.us + # + # This may, as per those two messages, be fixed in autoconf 2.70, + # but we only require 2.69 or newer for now. + # + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(void) { return 0; } +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + can_add_to_cflags=yes + # + # The compile supports this; do we have some C code for + # which the warning should *not* appear? + # We test the fourth argument because the third argument + # could contain quotes, breaking the test. + # + if test "x" != "x" + then + CFLAGS="$CFLAGS $ac_lbl_cc_force_warning_errors" + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether -Wunused-but-set-parameter " >&5 +printf %s "checking whether -Wunused-but-set-parameter ... " >&6; } + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + + # + # Not a problem. + # + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + +else $as_nop + + # + # A problem. + # + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + can_add_to_cflags=no + +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + fi + CFLAGS="$save_CFLAGS" + if test x"$can_add_to_cflags" = "xyes" + then + V_CCOPT="$V_CCOPT -Wunused-but-set-parameter" + fi + +else $as_nop + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + CFLAGS="$save_CFLAGS" + +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + ac_c_werror_flag="$save_ac_c_werror_flag" + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wunused-but-set-variable option" >&5 +printf %s "checking whether the compiler supports the -Wunused-but-set-variable option... " >&6; } + save_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS -Wunused-but-set-variable" + # + # XXX - yes, this depends on the way AC_LANG_WERROR works, + # but no mechanism is provided to turn AC_LANG_WERROR on + # *and then turn it back off*, so that we *only* do it when + # testing compiler options - 15 years after somebody asked + # for it: + # + # https://autoconf.gnu.narkive.com/gTAVmfKD/how-to-cancel-flags-set-by-ac-lang-werror + # + save_ac_c_werror_flag="$ac_c_werror_flag" + ac_c_werror_flag=yes + # + # We use AC_LANG_SOURCE() so that we can control the complete + # content of the program being compiled. We do not, for example, + # want the default "int main()" that AC_LANG_PROGRAM() generates, + # as it will generate a warning with -Wold-style-definition, meaning + # that we would treat it as not working, as the test will fail if + # *any* error output, including a warning due to the flag we're + # testing, is generated; see + # + # https://www.postgresql.org/message-id/2192993.1591682589%40sss.pgh.pa.us + # https://www.postgresql.org/message-id/2192993.1591682589%40sss.pgh.pa.us + # + # This may, as per those two messages, be fixed in autoconf 2.70, + # but we only require 2.69 or newer for now. + # + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(void) { return 0; } +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + can_add_to_cflags=yes + # + # The compile supports this; do we have some C code for + # which the warning should *not* appear? + # We test the fourth argument because the third argument + # could contain quotes, breaking the test. + # + if test "x" != "x" + then + CFLAGS="$CFLAGS $ac_lbl_cc_force_warning_errors" + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether -Wunused-but-set-variable " >&5 +printf %s "checking whether -Wunused-but-set-variable ... " >&6; } + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + + # + # Not a problem. + # + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + +else $as_nop + + # + # A problem. + # + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + can_add_to_cflags=no + +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + fi + CFLAGS="$save_CFLAGS" + if test x"$can_add_to_cflags" = "xyes" + then + V_CCOPT="$V_CCOPT -Wunused-but-set-variable" + fi + +else $as_nop + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + CFLAGS="$save_CFLAGS" + +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + ac_c_werror_flag="$save_ac_c_werror_flag" + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wunused-parameter option" >&5 +printf %s "checking whether the compiler supports the -Wunused-parameter option... " >&6; } + save_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS -Wunused-parameter" + # + # XXX - yes, this depends on the way AC_LANG_WERROR works, + # but no mechanism is provided to turn AC_LANG_WERROR on + # *and then turn it back off*, so that we *only* do it when + # testing compiler options - 15 years after somebody asked + # for it: + # + # https://autoconf.gnu.narkive.com/gTAVmfKD/how-to-cancel-flags-set-by-ac-lang-werror + # + save_ac_c_werror_flag="$ac_c_werror_flag" + ac_c_werror_flag=yes + # + # We use AC_LANG_SOURCE() so that we can control the complete + # content of the program being compiled. We do not, for example, + # want the default "int main()" that AC_LANG_PROGRAM() generates, + # as it will generate a warning with -Wold-style-definition, meaning + # that we would treat it as not working, as the test will fail if + # *any* error output, including a warning due to the flag we're + # testing, is generated; see + # + # https://www.postgresql.org/message-id/2192993.1591682589%40sss.pgh.pa.us + # https://www.postgresql.org/message-id/2192993.1591682589%40sss.pgh.pa.us + # + # This may, as per those two messages, be fixed in autoconf 2.70, + # but we only require 2.69 or newer for now. + # + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(void) { return 0; } +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + can_add_to_cflags=yes + # + # The compile supports this; do we have some C code for + # which the warning should *not* appear? + # We test the fourth argument because the third argument + # could contain quotes, breaking the test. + # + if test "x" != "x" + then + CFLAGS="$CFLAGS $ac_lbl_cc_force_warning_errors" + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether -Wunused-parameter " >&5 +printf %s "checking whether -Wunused-parameter ... " >&6; } + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + + # + # Not a problem. + # + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + +else $as_nop + + # + # A problem. + # + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + can_add_to_cflags=no + +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + fi + CFLAGS="$save_CFLAGS" + if test x"$can_add_to_cflags" = "xyes" + then + V_CCOPT="$V_CCOPT -Wunused-parameter" + fi + +else $as_nop + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + CFLAGS="$save_CFLAGS" + +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + ac_c_werror_flag="$save_ac_c_werror_flag" + + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wused-but-marked-unused option" >&5 +printf %s "checking whether the compiler supports the -Wused-but-marked-unused option... " >&6; } + save_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS -Wused-but-marked-unused" + # + # XXX - yes, this depends on the way AC_LANG_WERROR works, + # but no mechanism is provided to turn AC_LANG_WERROR on + # *and then turn it back off*, so that we *only* do it when + # testing compiler options - 15 years after somebody asked + # for it: + # + # https://autoconf.gnu.narkive.com/gTAVmfKD/how-to-cancel-flags-set-by-ac-lang-werror + # + save_ac_c_werror_flag="$ac_c_werror_flag" + ac_c_werror_flag=yes + # + # We use AC_LANG_SOURCE() so that we can control the complete + # content of the program being compiled. We do not, for example, + # want the default "int main()" that AC_LANG_PROGRAM() generates, + # as it will generate a warning with -Wold-style-definition, meaning + # that we would treat it as not working, as the test will fail if + # *any* error output, including a warning due to the flag we're + # testing, is generated; see + # + # https://www.postgresql.org/message-id/2192993.1591682589%40sss.pgh.pa.us + # https://www.postgresql.org/message-id/2192993.1591682589%40sss.pgh.pa.us + # + # This may, as per those two messages, be fixed in autoconf 2.70, + # but we only require 2.69 or newer for now. + # + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(void) { return 0; } +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + can_add_to_cflags=yes + # + # The compile supports this; do we have some C code for + # which the warning should *not* appear? + # We test the fourth argument because the third argument + # could contain quotes, breaking the test. + # + if test "x" != "x" + then + CFLAGS="$CFLAGS $ac_lbl_cc_force_warning_errors" + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether -Wused-but-marked-unused " >&5 +printf %s "checking whether -Wused-but-marked-unused ... " >&6; } + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + + # + # Not a problem. + # + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + +else $as_nop + + # + # A problem. + # + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + can_add_to_cflags=no + +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + fi + CFLAGS="$save_CFLAGS" + if test x"$can_add_to_cflags" = "xyes" + then + V_CCOPT="$V_CCOPT -Wused-but-marked-unused" + fi + +else $as_nop + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + CFLAGS="$save_CFLAGS" + +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext + ac_c_werror_flag="$save_ac_c_werror_flag" + + fi + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports generating dependencies" >&5 +printf %s "checking whether the compiler supports generating dependencies... " >&6; } + if test "$GCC" = yes ; then + # + # GCC, or a compiler deemed to be GCC by AC_PROG_CC (even + # though it's not); we assume that, in this case, the flag + # would be -M. + # + ac_lbl_dependency_flag="-M" + else + # + # Not GCC or a compiler deemed to be GCC; what platform is + # this? (We're assuming that if the compiler isn't GCC + # it's the compiler from the vendor of the OS; that won't + # necessarily be true for x86 platforms, where it might be + # the Intel C compiler.) + # + case "$host_os" in + + irix*|osf*|darwin*) + # + # MIPS C for IRIX, DEC C, and clang all use -M. + # + ac_lbl_dependency_flag="-M" + ;; + + solaris*) + # + # Sun C uses -xM. + # + ac_lbl_dependency_flag="-xM" + ;; + + hpux*) + # + # HP's older C compilers don't support this. + # HP's newer C compilers support this with + # either +M or +Make; the older compilers + # interpret +M as something completely + # different, so we use +Make so we don't + # think it works with the older compilers. + # + ac_lbl_dependency_flag="+Make" + ;; + + *) + # + # Not one of the above; assume no support for + # generating dependencies. + # + ac_lbl_dependency_flag="" + ;; + esac + fi + + # + # Is ac_lbl_dependency_flag defined and, if so, does the compiler + # complain about it? + # + # Note: clang doesn't seem to exit with an error status when handed + # an unknown non-warning error, even if you pass it + # -Werror=unknown-warning-option. However, it always supports + # -M, so the fact that this test always succeeds with clang + # isn't an issue. + # + if test ! -z "$ac_lbl_dependency_flag"; then + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int main(void) { return 0; } +_ACEOF + if { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: eval \"\$CC \$ac_lbl_dependency_flag conftest.c >/dev/null 2>&1\""; } >&5 + (eval "$CC $ac_lbl_dependency_flag conftest.c >/dev/null 2>&1") 2>&5 + ac_status=$? + printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes, with $ac_lbl_dependency_flag" >&5 +printf "%s\n" "yes, with $ac_lbl_dependency_flag" >&6; } + DEPENDENCY_CFLAG="$ac_lbl_dependency_flag" + MKDEP='${top_srcdir}/mkdep' + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + # + # We can't run mkdep, so have "make depend" do + # nothing. + # + MKDEP='${top_srcdir}/nomkdep' + fi + rm -rf conftest* + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + # + # We can't run mkdep, so have "make depend" do + # nothing. + # + MKDEP='${top_srcdir}/nomkdep' + fi + + + + # + # We used to set -n32 for IRIX 6 when not using GCC (presumed + # to mean that we're using MIPS C or MIPSpro C); it specified + # the "new" faster 32-bit ABI, introduced in IRIX 6.2. I'm + # not sure why that would be something to do *only* with a + # .devel file; why should the ABI for which we produce code + # depend on .devel? + # + os=`echo $host_os | sed -e 's/\([0-9][0-9]*\)[^0-9].*$/\1/'` + name="lbl/os-$os.h" + if test -f $name ; then + ln -s $name os-proto.h + +printf "%s\n" "#define HAVE_OS_PROTO_H 1" >>confdefs.h + + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: can't find $name" >&5 +printf "%s\n" "$as_me: WARNING: can't find $name" >&2;} + fi + fi + +# +# Check to see if the sockaddr struct has the 4.4 BSD sa_len member. +# +ac_fn_c_check_member "$LINENO" "struct sockaddr" "sa_len" "ac_cv_member_struct_sockaddr_sa_len" " + #include <sys/types.h> + #include <sys/socket.h> + +" +if test "x$ac_cv_member_struct_sockaddr_sa_len" = xyes +then : + +printf "%s\n" "#define HAVE_STRUCT_SOCKADDR_SA_LEN 1" >>confdefs.h + + +fi + + +# +# Check to see if there's a sockaddr_storage structure. +# +ac_fn_c_check_type "$LINENO" "struct sockaddr_storage" "ac_cv_type_struct_sockaddr_storage" " + #include <sys/types.h> + #include <sys/socket.h> + +" +if test "x$ac_cv_type_struct_sockaddr_storage" = xyes +then : + +printf "%s\n" "#define HAVE_STRUCT_SOCKADDR_STORAGE 1" >>confdefs.h + + +fi + + +# +# Check to see if the dl_hp_ppa_info_t struct has the HP-UX 11.00 +# dl_module_id_1 member. +# +# NOTE: any failure means we conclude that it doesn't have that member, +# so if we don't have DLPI, don't have a <sys/dlpi_ext.h> header, or +# have one that doesn't declare a dl_hp_ppa_info_t type, we conclude +# it doesn't have that member (which is OK, as either we won't be +# using code that would use that member, or we wouldn't compile in +# any case). +# +ac_fn_c_check_member "$LINENO" "dl_hp_ppa_info_t" "dl_module_id_1" "ac_cv_member_dl_hp_ppa_info_t_dl_module_id_1" " + #include <sys/types.h> + #include <sys/dlpi.h> + #include <sys/dlpi_ext.h> + +" +if test "x$ac_cv_member_dl_hp_ppa_info_t_dl_module_id_1" = xyes +then : + +printf "%s\n" "#define HAVE_DL_HP_PPA_INFO_T_DL_MODULE_ID_1 1" >>confdefs.h + + +fi + + +# +# Various Linux-specific mechanisms. +# +# Check whether --enable-usb was given. +if test ${enable_usb+y} +then : + enableval=$enable_usb; +else $as_nop + enable_usb=yes +fi + + +# +# If somebody requested an XXX-only pcap, that doesn't include +# additional mechanisms. +# +if test "xxx_only" != yes; then + case "$host_os" in + linux*) + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for Linux usbmon USB sniffing support" >&5 +printf %s "checking for Linux usbmon USB sniffing support... " >&6; } + if test "x$enable_usb" != "xno" ; then + +printf "%s\n" "#define PCAP_SUPPORT_LINUX_USBMON 1" >>confdefs.h + + MODULE_C_SRC="$MODULE_C_SRC pcap-usb-linux.c" + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + # + # Note: if the directory for special files is *EVER* somewhere + # other than the UN*X standard of /dev (which will break any + # software that looks for /dev/null or /dev/tty, for example, + # so doing that is *REALLY* not a good idea), please provide + # some mechanism to determine that directory at *run time*, + # rather than *configure time*, so that it works when doing + # a cross-build, and that works with *multiple* distributions, + # with our without udev, and with multiple versions of udev, + # with udevinfo or udevadm or any other mechanism to get the + # special files directory. + # + # Do we have a version of <linux/compiler.h> available? + # If so, we might need it for <linux/usbdevice_fs.h>. + # + ac_fn_c_check_header_compile "$LINENO" "linux/compiler.h" "ac_cv_header_linux_compiler_h" "$ac_includes_default" +if test "x$ac_cv_header_linux_compiler_h" = xyes +then : + printf "%s\n" "#define HAVE_LINUX_COMPILER_H 1" >>confdefs.h + +fi + + if test "$ac_cv_header_linux_compiler_h" = yes; then + # + # Yes - include it when testing for <linux/usbdevice_fs.h>. + # + ac_fn_c_check_header_compile "$LINENO" "linux/usbdevice_fs.h" "ac_cv_header_linux_usbdevice_fs_h" "#include <linux/compiler.h> +" +if test "x$ac_cv_header_linux_usbdevice_fs_h" = xyes +then : + printf "%s\n" "#define HAVE_LINUX_USBDEVICE_FS_H 1" >>confdefs.h + +fi + + else + ac_fn_c_check_header_compile "$LINENO" "linux/usbdevice_fs.h" "ac_cv_header_linux_usbdevice_fs_h" "$ac_includes_default" +if test "x$ac_cv_header_linux_usbdevice_fs_h" = xyes +then : + printf "%s\n" "#define HAVE_LINUX_USBDEVICE_FS_H 1" >>confdefs.h + +fi + + fi + if test "$ac_cv_header_linux_usbdevice_fs_h" = yes; then + # + # OK, does it define bRequestType? Older versions of the kernel + # define fields with names like "requesttype, "request", and + # "value", rather than "bRequestType", "bRequest", and + # "wValue". + # + ac_fn_c_check_member "$LINENO" "struct usbdevfs_ctrltransfer" "bRequestType" "ac_cv_member_struct_usbdevfs_ctrltransfer_bRequestType" " + $ac_includes_default + #ifdef HAVE_LINUX_COMPILER_H + #include <linux/compiler.h> + #endif + #include <linux/usbdevice_fs.h> + +" +if test "x$ac_cv_member_struct_usbdevfs_ctrltransfer_bRequestType" = xyes +then : + +printf "%s\n" "#define HAVE_STRUCT_USBDEVFS_CTRLTRANSFER_BREQUESTTYPE 1" >>confdefs.h + + +fi + + fi + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + fi + + # + # Life's too short to deal with trying to get this to compile + # if you don't get the right types defined with + # __KERNEL_STRICT_NAMES getting defined by some other include. + # + # Check whether the includes Just Work. If not, don't turn on + # netfilter support. + # + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether we can compile the netfilter support" >&5 +printf %s "checking whether we can compile the netfilter support... " >&6; } + if test ${ac_cv_netfilter_can_compile+y} +then : + printf %s "(cached) " >&6 +else $as_nop + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +$ac_includes_default +#include <sys/socket.h> +#include <netinet/in.h> +#include <linux/types.h> + +#include <linux/netlink.h> +#include <linux/netfilter.h> +#include <linux/netfilter/nfnetlink.h> +#include <linux/netfilter/nfnetlink_log.h> +#include <linux/netfilter/nfnetlink_queue.h> +int +main (void) +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + ac_cv_netfilter_can_compile=yes +else $as_nop + ac_cv_netfilter_can_compile=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext +fi + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_netfilter_can_compile" >&5 +printf "%s\n" "$ac_cv_netfilter_can_compile" >&6; } + if test $ac_cv_netfilter_can_compile = yes ; then + +printf "%s\n" "#define PCAP_SUPPORT_NETFILTER 1" >>confdefs.h + + MODULE_C_SRC="$MODULE_C_SRC pcap-netfilter-linux.c" + fi + ;; + esac +fi + + + +# Check whether --enable-netmap was given. +if test ${enable_netmap+y} +then : + enableval=$enable_netmap; +else $as_nop + enable_netmap=yes +fi + + +if test "x$enable_netmap" != "xno" ; then + # + # Check whether net/netmap_user.h is usable if NETMAP_WITH_LIBS is + # defined; it's not usable on DragonFly BSD 4.6 if NETMAP_WITH_LIBS + # is defined, for example, as it includes a nonexistent malloc.h + # header. + # + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether we can compile the netmap support" >&5 +printf %s "checking whether we can compile the netmap support... " >&6; } + if test ${ac_cv_net_netmap_user_can_compile+y} +then : + printf %s "(cached) " >&6 +else $as_nop + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +$ac_includes_default +#define NETMAP_WITH_LIBS +#include <net/netmap_user.h> +int +main (void) +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + ac_cv_net_netmap_user_can_compile=yes +else $as_nop + ac_cv_net_netmap_user_can_compile=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext +fi + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_net_netmap_user_can_compile" >&5 +printf "%s\n" "$ac_cv_net_netmap_user_can_compile" >&6; } + if test $ac_cv_net_netmap_user_can_compile = yes ; then + +printf "%s\n" "#define PCAP_SUPPORT_NETMAP 1" >>confdefs.h + + MODULE_C_SRC="$MODULE_C_SRC pcap-netmap.c" + fi + +fi + +# Check for DPDK support. + +# Check whether --with-dpdk was given. +if test ${with_dpdk+y} +then : + withval=$with_dpdk; + if test "$withval" = no + then + # User doesn't want DPDK support. + want_dpdk=no + elif test "$withval" = yes + then + # User wants DPDK support but hasn't specified a directory. + want_dpdk=yes + else + # User wants DPDK support and has specified a directory, + # so use the provided value. + want_dpdk=yes + dpdk_dir=$withval + fi + +else $as_nop + + if test "$V_PCAP" = dpdk; then + # User requested DPDK-only libpcap, so we'd better have + # the DPDK API. + want_dpdk=yes + elif test "xxx_only" = yes; then + # User requested something-else-only pcap, so they don't + # want DPDK support. + want_dpdk=no + else + # + # Use DPDK API if present, otherwise don't + # + want_dpdk=ifpresent + fi + +fi + + +if test "$want_dpdk" != no; then + # + # The user didn't explicitly say they don't want DPDK, + # so see if we have it. + # + # We only try to find it using pkg-config; DPDK is *SO* + # complicated - DPDK 19.02, for example, has about 117(!) + # libraries, and the precise set of libraries required has + # changed over time - so attempting to guess which libraries + # you need, and hardcoding that in an attempt to find the + # libraries without DPDK, rather than relying on DPDK to + # tell you, with a .pc file, what libraries are needed, + # is *EXTREMELY* fragile and has caused some bug reports, + # so we're just not going to do it. + # + # If that causes a problem, the only thing we will do is + # accept an alternative way of finding the appropriate + # library set for the installed version of DPDK that is + # as robust as pkg-config (i.e., it had better work as well + # as pkg-config with *ALL* versions of DPDK that provide a + # libdpdk.pc file). + # + # If --with-dpdk={path} was specified, add {path}/pkgconfig + # to PKG_CONFIG_PATH, so we look for the .pc file there, + # first. + # + save_PKG_CONFIG_PATH="$PKG_CONFIG_PATH" + if test -n "$dpdk_dir"; then + PKG_CONFIG_PATH="$dpdk_dir:$PKG_CONFIG_PATH" + fi + +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for libdpdk with pkg-config" >&5 +printf %s "checking for libdpdk with pkg-config... " >&6; } +if test -n "$PKG_CONFIG"; then + + if { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"libdpdk\""; } >&5 + ($PKG_CONFIG --exists --print-errors "libdpdk") 2>&5 + ac_status=$? + printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + # + # The package was found, so try to get its C flags and + # libraries. + # + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: found" >&5 +printf "%s\n" "found" >&6; } + if test ! -n "$DPDK_CFLAGS"; then + DPDK_CFLAGS=`$PKG_CONFIG --cflags "libdpdk" 2>/dev/null` + if test "x$?" != "x0"; then + # + # That failed - report an error. + # Re-run the command, telling pkg-config to print an error + # message, capture the error message, and report it. + # This causes the configuration script to fail, as it means + # the script is almost certainly doing something wrong. + # + +if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then + _pkg_short_errors_supported=yes +else + _pkg_short_errors_supported=no +fi + if test $_pkg_short_errors_supported = yes; then + _pkg_error_string=`$PKG_CONFIG --short-errors --print-errors --cflags "libdpdk" 2>&1` + else + _pkg_error_string=`$PKG_CONFIG --print-errors --cflags "libdpdk" 2>&1` + fi + as_fn_error $? "$PKG_CONFIG --cflags \"libdpdk\" failed: $_pkg_error_string" "$LINENO" 5 + fi + fi + if test ! -n "$DPDK_LIBS"; then + DPDK_LIBS=`$PKG_CONFIG --libs "libdpdk" 2>/dev/null` + if test "x$?" != "x0"; then + # + # That failed - report an error. + # Re-run the command, telling pkg-config to print an error + # message, capture the error message, and report it. + # This causes the configuration script to fail, as it means + # the script is almost certainly doing something wrong. + # + +if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then + _pkg_short_errors_supported=yes +else + _pkg_short_errors_supported=no +fi + if test $_pkg_short_errors_supported = yes; then + _pkg_error_string=`$PKG_CONFIG --short-errors --print-errors --libs "libdpdk" 2>&1` + else + _pkg_error_string=`$PKG_CONFIG --print-errors --libs "libdpdk" 2>&1` + fi + as_fn_error $? "$PKG_CONFIG --libs \"libdpdk\" failed: $_pkg_error_string" "$LINENO" 5 + fi + fi + if test ! -n "$DPDK_LIBS_STATIC"; then + DPDK_LIBS_STATIC=`$PKG_CONFIG --libs --static "libdpdk" 2>/dev/null` + if test "x$?" != "x0"; then + # + # That failed - report an error. + # Re-run the command, telling pkg-config to print an error + # message, capture the error message, and report it. + # This causes the configuration script to fail, as it means + # the script is almost certainly doing something wrong. + # + +if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then + _pkg_short_errors_supported=yes +else + _pkg_short_errors_supported=no +fi + if test $_pkg_short_errors_supported = yes; then + _pkg_error_string=`$PKG_CONFIG --short-errors --print-errors --libs --static "libdpdk" 2>&1` + else + _pkg_error_string=`$PKG_CONFIG --print-errors --libs --static "libdpdk" 2>&1` + fi + as_fn_error $? "$PKG_CONFIG --libs --static \"libdpdk\" failed: $_pkg_error_string" "$LINENO" 5 + fi + fi + + found_dpdk=yes + + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: not found" >&5 +printf "%s\n" "not found" >&6; } + : + fi +else + # No pkg-config, so obviously not found with pkg-config. + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: pkg-config not found" >&5 +printf "%s\n" "pkg-config not found" >&6; } + : +fi + + PKG_CONFIG_PATH="$save_PKG_CONFIG_PATH" + + # + # Did we find DPDK? + # + if test "$found_dpdk" = yes; then + # + # Found it. + # + # We call rte_eth_dev_count_avail(), and older versions + # of DPDK didn't have it, so check for it. + # + + save_CFLAGS="$CFLAGS" + save_LIBS="$LIBS" + save_LDFLAGS="$LDFLAGS" + + CFLAGS="$CFLAGS $DPDK_CFLAGS" + LIBS="$LIBS $DPDK_LIBS" + ac_fn_c_check_func "$LINENO" "rte_eth_dev_count_avail" "ac_cv_func_rte_eth_dev_count_avail" +if test "x$ac_cv_func_rte_eth_dev_count_avail" = xyes +then : + +fi + + + CFLAGS="$save_CFLAGS" + LIBS="$save_LIBS" + LDFLAGS="$save_LDFLAGS" + + fi + + if test "$ac_cv_func_rte_eth_dev_count_avail" = yes; then + # + # We found a usable DPDK. + # + # Check whether the rte_ether.h file defines + # struct ether_addr or struct rte_ether_addr. + # + # ("API compatibility? That's for losers!") + # + + save_CFLAGS="$CFLAGS" + save_LIBS="$LIBS" + save_LDFLAGS="$LDFLAGS" + + CFLAGS="$CFLAGS $DPDK_CFLAGS" + LIBS="$LIBS $DPDK_LIBS" + ac_fn_c_check_type "$LINENO" "struct rte_ether_addr" "ac_cv_type_struct_rte_ether_addr" " + #include <rte_ether.h> + +" +if test "x$ac_cv_type_struct_rte_ether_addr" = xyes +then : + +printf "%s\n" "#define HAVE_STRUCT_RTE_ETHER_ADDR 1" >>confdefs.h + + +fi + + + CFLAGS="$save_CFLAGS" + LIBS="$save_LIBS" + LDFLAGS="$save_LDFLAGS" + + + # + # We can build with DPDK. + # + V_INCLS="$V_INCLS $DPDK_CFLAGS" + ADDITIONAL_LIBS="$ADDITIONAL_LIBS $DPDK_LIBS" + ADDITIONAL_LIBS_STATIC="$ADDITIONAL_LIBS_STATIC $DPDK_LIBS_STATIC" + REQUIRES_PRIVATE="$REQUIRES_PRIVATE libdpdk" + +printf "%s\n" "#define PCAP_SUPPORT_DPDK 1" >>confdefs.h + + if test $V_PCAP != dpdk ; then + MODULE_C_SRC="$MODULE_C_SRC pcap-dpdk.c" + fi + else + # + # We didn't find a usable DPDK. + # If we required it (with --with-dpdk or --with-pcap=dpdk), + # fail with an appropriate message telling the user what + # the problem was, otherwise note the problem with a + # warning. + # + if test "$found_dpdk" != yes; then + # + # Not found with pkg-config. Note that we + # require that DPDK must be findable with + # pkg-config. + # + if test "$V_PCAP" = dpdk; then + # + # User requested DPDK-only capture support. + # + as_fn_error $? "DPDK support requested with --with-pcap=dpdk, but +we couldn't find DPDK with pkg-config. Make sure that pkg-config is +installed, that DPDK 18.02.2 or later is installed, and that DPDK +provides a .pc file." "$LINENO" 5 + fi + + if test "$want_dpdk" = yes; then + # + # User requested that libpcap include + # DPDK capture support. + # + as_fn_error $? "DPDK support requested with --with-dpdk, but we +couldn't find DPDK with pkg-config. Make sure that pkg-config +is installed, that DPDK 18.02.2 or later is installed, and that +DPDK provides .pc file." "$LINENO" 5 + fi + + # + # User didn't indicate whether they wanted DPDK + # or not; just warn why we didn't find it. + # + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: We couldn't find DPDK with pkg-config. If +you want DPDK support, make sure that pkg-config is installed, +that DPDK 18.02.2 or later is installed, and that DPDK provides a +.pc file." >&5 +printf "%s\n" "$as_me: WARNING: We couldn't find DPDK with pkg-config. If +you want DPDK support, make sure that pkg-config is installed, +that DPDK 18.02.2 or later is installed, and that DPDK provides a +.pc file." >&2;} + elif test "$ac_cv_func_rte_eth_dev_count_avail" != yes; then + # + # Found with pkg-config, but we couldn't compile + # a program that calls rte_eth_dev_count(); we + # probably have the developer package installed, + # but don't have a sufficiently recent version + # of DPDK. Note that we need a sufficiently + # recent version of DPDK. + # + if test "$V_PCAP" = dpdk; then + # + # User requested DPDK-only capture support. + # + as_fn_error $? "DPDK support requested with --with-pcap=dpdk, but we +can't compile libpcap with DPDK. Make sure that DPDK 18.02.2 or later +is installed." "$LINENO" 5 + fi + + if test "$want_dpdk" = yes; then + # + # User requested that libpcap include + # DPDK capture support. + # + as_fn_error $? "DPDK support requested with --with-dpdk, but +we can't compile libpcap with DPDK. Make sure that DPDK 18.02.2 +or later is DPDK is installed." "$LINENO" 5 + fi + + # + # User didn't indicate whether they wanted DPDK + # or not; just warn why we didn't find it. + # + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: DPDK was found, but we can't compile libpcap with it. +Make sure that DPDK 18.02.2 or later is installed." >&5 +printf "%s\n" "$as_me: WARNING: DPDK was found, but we can't compile libpcap with it. +Make sure that DPDK 18.02.2 or later is installed." >&2;} + fi + fi +fi + + +# Check whether --enable-bluetooth was given. +if test ${enable_bluetooth+y} +then : + enableval=$enable_bluetooth; +else $as_nop + enable_bluetooth=ifsupportavailable +fi + + +if test "xxx_only" = yes; then + # User requested something-else-only pcap, so they don't + # want Bluetooth support. + enable_bluetooth=no +fi + +if test "x$enable_bluetooth" != "xno" ; then + case "$host_os" in + linux*) + ac_fn_c_check_header_compile "$LINENO" "bluetooth/bluetooth.h" "ac_cv_header_bluetooth_bluetooth_h" "$ac_includes_default" +if test "x$ac_cv_header_bluetooth_bluetooth_h" = xyes +then : + + # + # We have bluetooth.h, so we support Bluetooth + # sniffing. + # + +printf "%s\n" "#define PCAP_SUPPORT_BT 1" >>confdefs.h + + MODULE_C_SRC="$MODULE_C_SRC pcap-bt-linux.c" + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: Bluetooth sniffing is supported" >&5 +printf "%s\n" "$as_me: Bluetooth sniffing is supported" >&6;} + ac_lbl_bluetooth_available=yes + + # + # OK, does struct sockaddr_hci have an hci_channel + # member? + # + ac_fn_c_check_member "$LINENO" "struct sockaddr_hci" "hci_channel" "ac_cv_member_struct_sockaddr_hci_hci_channel" " + #include <bluetooth/bluetooth.h> + #include <bluetooth/hci.h> + +" +if test "x$ac_cv_member_struct_sockaddr_hci_hci_channel" = xyes +then : + +printf "%s\n" "#define HAVE_STRUCT_SOCKADDR_HCI_HCI_CHANNEL 1" >>confdefs.h + + + # + # Yes; is HCI_CHANNEL_MONITOR defined? + # + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if HCI_CHANNEL_MONITOR is defined" >&5 +printf %s "checking if HCI_CHANNEL_MONITOR is defined... " >&6; } + if test ${ac_cv_lbl_hci_channel_monitor_is_defined+y} +then : + printf %s "(cached) " >&6 +else $as_nop + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + + #include <bluetooth/bluetooth.h> + #include <bluetooth/hci.h> + +int +main (void) +{ + + int i = HCI_CHANNEL_MONITOR; + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO" +then : + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + +printf "%s\n" "#define PCAP_SUPPORT_BT_MONITOR 1" >>confdefs.h + + MODULE_C_SRC="$MODULE_C_SRC pcap-bt-monitor-linux.c" + +else $as_nop + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext +fi + + +fi + + +else $as_nop + + # + # We don't have bluetooth.h, so we don't support + # Bluetooth sniffing. + # + if test "x$enable_bluetooth" = "xyes" ; then + as_fn_error $? "Bluetooth sniffing is not supported; install bluez-lib devel to enable it" "$LINENO" 5 + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: Bluetooth sniffing is not supported; install bluez-lib devel to enable it" >&5 +printf "%s\n" "$as_me: Bluetooth sniffing is not supported; install bluez-lib devel to enable it" >&6;} + fi + +fi + + ;; + *) + if test "x$enable_bluetooth" = "xyes" ; then + as_fn_error $? "no Bluetooth sniffing support implemented for $host_os" "$LINENO" 5 + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: no Bluetooth sniffing support implemented for $host_os" >&5 +printf "%s\n" "$as_me: no Bluetooth sniffing support implemented for $host_os" >&6;} + fi + ;; + esac + +fi + +# Check whether --enable-dbus was given. +if test ${enable_dbus+y} +then : + enableval=$enable_dbus; +else $as_nop + enable_dbus=ifavailable +fi + + +if test "xxx_only" = yes; then + # User requested something-else-only pcap, so they don't + # want D-Bus support. + enable_dbus=no +fi + +if test "x$enable_dbus" != "xno"; then + if test "x$enable_dbus" = "xyes"; then + case "$host_os" in + + darwin*) + # + # We don't support D-Bus sniffing on macOS; see + # + # https://bugs.freedesktop.org/show_bug.cgi?id=74029 + # + # The user requested it, so fail. + # + as_fn_error $? "Due to freedesktop.org bug 74029, D-Bus capture support is not available on macOS" "$LINENO" 5 + esac + else + case "$host_os" in + + darwin*) + # + # We don't support D-Bus sniffing on macOS; see + # + # https://bugs.freedesktop.org/show_bug.cgi?id=74029 + # + # The user didn't explicitly request it, so just + # silently refuse to enable it. + # + enable_dbus="no" + ;; + esac + fi +fi + +if test "x$enable_dbus" != "xno"; then + +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for dbus-1 with pkg-config" >&5 +printf %s "checking for dbus-1 with pkg-config... " >&6; } +if test -n "$PKG_CONFIG"; then + + if { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"dbus-1\""; } >&5 + ($PKG_CONFIG --exists --print-errors "dbus-1") 2>&5 + ac_status=$? + printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + # + # The package was found, so try to get its C flags and + # libraries. + # + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: found" >&5 +printf "%s\n" "found" >&6; } + if test ! -n "$DBUS_CFLAGS"; then + DBUS_CFLAGS=`$PKG_CONFIG --cflags "dbus-1" 2>/dev/null` + if test "x$?" != "x0"; then + # + # That failed - report an error. + # Re-run the command, telling pkg-config to print an error + # message, capture the error message, and report it. + # This causes the configuration script to fail, as it means + # the script is almost certainly doing something wrong. + # + +if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then + _pkg_short_errors_supported=yes +else + _pkg_short_errors_supported=no +fi + if test $_pkg_short_errors_supported = yes; then + _pkg_error_string=`$PKG_CONFIG --short-errors --print-errors --cflags "dbus-1" 2>&1` + else + _pkg_error_string=`$PKG_CONFIG --print-errors --cflags "dbus-1" 2>&1` + fi + as_fn_error $? "$PKG_CONFIG --cflags \"dbus-1\" failed: $_pkg_error_string" "$LINENO" 5 + fi + fi + if test ! -n "$DBUS_LIBS"; then + DBUS_LIBS=`$PKG_CONFIG --libs "dbus-1" 2>/dev/null` + if test "x$?" != "x0"; then + # + # That failed - report an error. + # Re-run the command, telling pkg-config to print an error + # message, capture the error message, and report it. + # This causes the configuration script to fail, as it means + # the script is almost certainly doing something wrong. + # + +if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then + _pkg_short_errors_supported=yes +else + _pkg_short_errors_supported=no +fi + if test $_pkg_short_errors_supported = yes; then + _pkg_error_string=`$PKG_CONFIG --short-errors --print-errors --libs "dbus-1" 2>&1` + else + _pkg_error_string=`$PKG_CONFIG --print-errors --libs "dbus-1" 2>&1` + fi + as_fn_error $? "$PKG_CONFIG --libs \"dbus-1\" failed: $_pkg_error_string" "$LINENO" 5 + fi + fi + if test ! -n "$DBUS_LIBS_STATIC"; then + DBUS_LIBS_STATIC=`$PKG_CONFIG --libs --static "dbus-1" 2>/dev/null` + if test "x$?" != "x0"; then + # + # That failed - report an error. + # Re-run the command, telling pkg-config to print an error + # message, capture the error message, and report it. + # This causes the configuration script to fail, as it means + # the script is almost certainly doing something wrong. + # + +if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then + _pkg_short_errors_supported=yes +else + _pkg_short_errors_supported=no +fi + if test $_pkg_short_errors_supported = yes; then + _pkg_error_string=`$PKG_CONFIG --short-errors --print-errors --libs --static "dbus-1" 2>&1` + else + _pkg_error_string=`$PKG_CONFIG --print-errors --libs --static "dbus-1" 2>&1` + fi + as_fn_error $? "$PKG_CONFIG --libs --static \"dbus-1\" failed: $_pkg_error_string" "$LINENO" 5 + fi + fi + + + save_CFLAGS="$CFLAGS" + save_LIBS="$LIBS" + save_LDFLAGS="$LDFLAGS" + + CFLAGS="$CFLAGS $DBUS_CFLAGS" + LIBS="$LIBS $DBUS_LIBS" + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the D-Bus library defines dbus_connection_read_write" >&5 +printf %s "checking whether the D-Bus library defines dbus_connection_read_write... " >&6; } + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include <string.h> + + #include <time.h> + #include <sys/time.h> + + #include <dbus/dbus.h> +int +main (void) +{ +return dbus_connection_read_write(NULL, 0); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO" +then : + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + +printf "%s\n" "#define PCAP_SUPPORT_DBUS 1" >>confdefs.h + + MODULE_C_SRC="$MODULE_C_SRC pcap-dbus.c" + V_INCLS="$V_INCLS $DBUS_CFLAGS" + ADDITIONAL_LIBS="$ADDITIONAL_LIBS $DBUS_LIBS" + ADDITIONAL_LIBS_STATIC="$ADDITIONAL_LIBS_STATIC $DBUS_LIBS_STATIC" + REQUIRES_PRIVATE="$REQUIRES_PRIVATE dbus-1" + +else $as_nop + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + if test "x$enable_dbus" = "xyes"; then + as_fn_error $? "--enable-dbus was given, but the D-Bus library doesn't define dbus_connection_read_write()" "$LINENO" 5 + fi + +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam \ + conftest$ac_exeext conftest.$ac_ext + + CFLAGS="$save_CFLAGS" + LIBS="$save_LIBS" + LDFLAGS="$save_LDFLAGS" + + + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: not found" >&5 +printf "%s\n" "not found" >&6; } + + if test "x$enable_dbus" = "xyes"; then + as_fn_error $? "--enable-dbus was given, but the dbus-1 package is not installed" "$LINENO" 5 + fi + + fi +else + # No pkg-config, so obviously not found with pkg-config. + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: pkg-config not found" >&5 +printf "%s\n" "pkg-config not found" >&6; } + + if test "x$enable_dbus" = "xyes"; then + as_fn_error $? "--enable-dbus was given, but the dbus-1 package is not installed" "$LINENO" 5 + fi + +fi + + +fi + +# Check whether --enable-rdma was given. +if test ${enable_rdma+y} +then : + enableval=$enable_rdma; +else $as_nop + enable_rdma=ifavailable +fi + + +if test "xxx_only" = yes; then + # User requested something-else-only pcap, so they don't + # want RDMA support. + enable_rdma=no +fi + +if test "x$enable_rdma" != "xno"; then + +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for libibverbs with pkg-config" >&5 +printf %s "checking for libibverbs with pkg-config... " >&6; } +if test -n "$PKG_CONFIG"; then + + if { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"libibverbs\""; } >&5 + ($PKG_CONFIG --exists --print-errors "libibverbs") 2>&5 + ac_status=$? + printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + # + # The package was found, so try to get its C flags and + # libraries. + # + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: found" >&5 +printf "%s\n" "found" >&6; } + if test ! -n "$LIBIBVERBS_CFLAGS"; then + LIBIBVERBS_CFLAGS=`$PKG_CONFIG --cflags "libibverbs" 2>/dev/null` + if test "x$?" != "x0"; then + # + # That failed - report an error. + # Re-run the command, telling pkg-config to print an error + # message, capture the error message, and report it. + # This causes the configuration script to fail, as it means + # the script is almost certainly doing something wrong. + # + +if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then + _pkg_short_errors_supported=yes +else + _pkg_short_errors_supported=no +fi + if test $_pkg_short_errors_supported = yes; then + _pkg_error_string=`$PKG_CONFIG --short-errors --print-errors --cflags "libibverbs" 2>&1` + else + _pkg_error_string=`$PKG_CONFIG --print-errors --cflags "libibverbs" 2>&1` + fi + as_fn_error $? "$PKG_CONFIG --cflags \"libibverbs\" failed: $_pkg_error_string" "$LINENO" 5 + fi + fi + if test ! -n "$LIBIBVERBS_LIBS"; then + LIBIBVERBS_LIBS=`$PKG_CONFIG --libs "libibverbs" 2>/dev/null` + if test "x$?" != "x0"; then + # + # That failed - report an error. + # Re-run the command, telling pkg-config to print an error + # message, capture the error message, and report it. + # This causes the configuration script to fail, as it means + # the script is almost certainly doing something wrong. + # + +if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then + _pkg_short_errors_supported=yes +else + _pkg_short_errors_supported=no +fi + if test $_pkg_short_errors_supported = yes; then + _pkg_error_string=`$PKG_CONFIG --short-errors --print-errors --libs "libibverbs" 2>&1` + else + _pkg_error_string=`$PKG_CONFIG --print-errors --libs "libibverbs" 2>&1` + fi + as_fn_error $? "$PKG_CONFIG --libs \"libibverbs\" failed: $_pkg_error_string" "$LINENO" 5 + fi + fi + if test ! -n "$LIBIBVERBS_LIBS_STATIC"; then + LIBIBVERBS_LIBS_STATIC=`$PKG_CONFIG --libs --static "libibverbs" 2>/dev/null` + if test "x$?" != "x0"; then + # + # That failed - report an error. + # Re-run the command, telling pkg-config to print an error + # message, capture the error message, and report it. + # This causes the configuration script to fail, as it means + # the script is almost certainly doing something wrong. + # + +if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then + _pkg_short_errors_supported=yes +else + _pkg_short_errors_supported=no +fi + if test $_pkg_short_errors_supported = yes; then + _pkg_error_string=`$PKG_CONFIG --short-errors --print-errors --libs --static "libibverbs" 2>&1` + else + _pkg_error_string=`$PKG_CONFIG --print-errors --libs --static "libibverbs" 2>&1` + fi + as_fn_error $? "$PKG_CONFIG --libs --static \"libibverbs\" failed: $_pkg_error_string" "$LINENO" 5 + fi + fi + + found_libibverbs=yes + LIBIBVERBS_REQUIRES_PRIVATE="libibverbs" + + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: not found" >&5 +printf "%s\n" "not found" >&6; } + : + fi +else + # No pkg-config, so obviously not found with pkg-config. + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: pkg-config not found" >&5 +printf "%s\n" "pkg-config not found" >&6; } + : +fi + + + if test "x$found_libibverbs" != "xyes"; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for ibv_get_device_list in -libverbs" >&5 +printf %s "checking for ibv_get_device_list in -libverbs... " >&6; } +if test ${ac_cv_lib_ibverbs_ibv_get_device_list+y} +then : + printf %s "(cached) " >&6 +else $as_nop + ac_check_lib_save_LIBS=$LIBS +LIBS="-libverbs $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +char ibv_get_device_list (); +int +main (void) +{ +return ibv_get_device_list (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO" +then : + ac_cv_lib_ibverbs_ibv_get_device_list=yes +else $as_nop + ac_cv_lib_ibverbs_ibv_get_device_list=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_ibverbs_ibv_get_device_list" >&5 +printf "%s\n" "$ac_cv_lib_ibverbs_ibv_get_device_list" >&6; } +if test "x$ac_cv_lib_ibverbs_ibv_get_device_list" = xyes +then : + + found_libibverbs=yes + LIBIBVERBS_CFLAGS="" + LIBIBVERBS_LIBS="-libverbs" + # XXX - at least on Ubuntu 20.04, there are many more + # libraries needed; is there any platform where + # libibverbs is available but where pkg-config isn't + # available or libibverbs doesn't use it? If not, + # we should only use pkg-config for it. + LIBIBVERBS_LIBS_STATIC="-libverbs" + LIBIBVERBS_LIBS_PRIVATE="-libverbs" + + +fi + + fi + + if test "x$found_libibverbs" = "xyes"; then + + save_CFLAGS="$CFLAGS" + save_LIBS="$LIBS" + save_LDFLAGS="$LDFLAGS" + + CFLAGS="$CFLAGS $LIBIBVERBS_CFLAGS" + LIBS="$LIBS $LIBIBVERBS_LIBS" + ac_fn_c_check_header_compile "$LINENO" "infiniband/verbs.h" "ac_cv_header_infiniband_verbs_h" "$ac_includes_default" +if test "x$ac_cv_header_infiniband_verbs_h" = xyes +then : + + # + # ibv_create_flow may be defined as a static inline + # function in infiniband/verbs.h, so we can't + # use AC_CHECK_LIB. + # + # Too bad autoconf has no AC_SYMBOL_EXISTS() + # macro that works like CMake's check_symbol_exists() + # function, to check do a compile check like + # this (they do a clever trick to avoid having + # to know the function's signature). + # + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether libibverbs defines ibv_create_flow" >&5 +printf %s "checking whether libibverbs defines ibv_create_flow... " >&6; } + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + + #include <infiniband/verbs.h> + +int +main (void) +{ + + (void) ibv_create_flow((struct ibv_qp *) NULL, + (struct ibv_flow_attr *) NULL); + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO" +then : + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +printf "%s\n" "yes" >&6; } + found_usable_libibverbs=yes + +else $as_nop + + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 +printf "%s\n" "no" >&6; } + + +fi +rm -f core conftest.err conftest.$ac_objext conftest.beam \ + conftest$ac_exeext conftest.$ac_ext + +fi + + + CFLAGS="$save_CFLAGS" + LIBS="$save_LIBS" + LDFLAGS="$save_LDFLAGS" + + fi + + if test "x$found_usable_libibverbs" = "xyes" + then + +printf "%s\n" "#define PCAP_SUPPORT_RDMASNIFF 1" >>confdefs.h + + MODULE_C_SRC="$MODULE_C_SRC pcap-rdmasniff.c" + CFLAGS="$LIBIBVERBS_CFLAGS $CFLAGS" + ADDITIONAL_LIBS="$LIBIBVERBS_LIBS $ADDITIONAL_LIBS" + ADDITIONAL_LIBS_STATIC="$LIBIBVERBS_LIBS_STATIC $ADDITIONAL_LIBS_STATIC" + LIBS_PRIVATE="$LIBIBVERBS_LIBS_PRIVATE $LIBS_PRIVATE" + REQUIRES_PRIVATE="$REQUIRES_PRIVATE $LIBIBVERBS_REQUIRES_PRIVATE" + fi + +fi + +# +# If this is a platform where we need to have the .pc file and +# pcap-config script supply an rpath option to specify the directory +# in which the libpcap shared library is installed, and the install +# prefix /usr (meaning we're not installing a system library), provide +# the rpath option. +# +# (We must check $prefix, as $libdir isn't necessarily /usr/lib in this +# case - for example, Linux distributions for 64-bit platforms that +# also provide support for binaries for a 32-bit version of the +# platform may put the 64-bit libraries, the 32-bit libraries, or both +# in directories other than /usr/lib.) +# +# In AIX, do we have to do this? +# +# In Darwin-based OSes, the full paths of the shared libraries with +# which the program was linked are stored in the executable, so we don't +# need to provide an rpath option. +# +# With the HP-UX linker, directories specified with -L are, by default, +# added to the run-time search path, so we don't need to supply them. +# +# For Tru64 UNIX, "-rpath" works with DEC's^WCompaq's^WHP's C compiler +# for Alpha, but isn't documented as working with GCC, and no GCC- +# compatible option is documented as working with the DEC compiler. +# If anybody needs this on Tru64/Alpha, they're welcome to figure out a +# way to make it work. +# +# This must *not* depend on the compiler, as, on platforms where there's +# a GCC-compatible compiler and a vendor compiler, we need to work with +# both. +# +if test "$prefix" != "/usr"; then + case "$host_os" in + + freebsd*|netbsd*|openbsd*|dragonfly*|linux*|haiku*|midipix*|gnu*) + # + # Platforms where the "native" C compiler is GCC or + # accepts compatible command-line arguments, and the + # "native" linker is the GNU linker or accepts + # compatible command-line arguments. + # + RPATH="-Wl,-rpath,\${libdir}" + ;; + + solaris*) + # + # Sun/Oracle's linker, the GNU linker, and + # GNU-compatible linkers all support -R. + # + RPATH="-Wl,-R,\${libdir}" + ;; + esac +fi + + + # Find a good install program. We prefer a C program (faster), +# so one script is as good as another. But avoid the broken or +# incompatible versions: +# SysV /etc/install, /usr/sbin/install +# SunOS /usr/etc/install +# IRIX /sbin/install +# AIX /bin/install +# AmigaOS /C/install, which installs bootblocks on floppy discs +# AIX 4 /usr/bin/installbsd, which doesn't work without a -g flag +# AFS /usr/afsws/bin/install, which mishandles nonexistent args +# SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff" +# OS/2's system install, which has a completely different semantic +# ./install, which can be erroneously created by make from ./install.sh. +# Reject install programs that cannot install multiple files. +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for a BSD-compatible install" >&5 +printf %s "checking for a BSD-compatible install... " >&6; } +if test -z "$INSTALL"; then +if test ${ac_cv_path_install+y} +then : + printf %s "(cached) " >&6 +else $as_nop + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + case $as_dir in #((( + '') as_dir=./ ;; + */) ;; + *) as_dir=$as_dir/ ;; + esac + # Account for fact that we put trailing slashes in our PATH walk. +case $as_dir in #(( + ./ | /[cC]/* | \ + /etc/* | /usr/sbin/* | /usr/etc/* | /sbin/* | /usr/afsws/bin/* | \ + ?:[\\/]os2[\\/]install[\\/]* | ?:[\\/]OS2[\\/]INSTALL[\\/]* | \ + /usr/ucb/* ) ;; + *) + # OSF1 and SCO ODT 3.0 have their own names for install. + # Don't use installbsd from OSF since it installs stuff as root + # by default. + for ac_prog in ginstall scoinst install; do + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir$ac_prog$ac_exec_ext"; then + if test $ac_prog = install && + grep dspmsg "$as_dir$ac_prog$ac_exec_ext" >/dev/null 2>&1; then + # AIX install. It has an incompatible calling convention. + : + elif test $ac_prog = install && + grep pwplus "$as_dir$ac_prog$ac_exec_ext" >/dev/null 2>&1; then + # program-specific install script used by HP pwplus--don't use. + : + else + rm -rf conftest.one conftest.two conftest.dir + echo one > conftest.one + echo two > conftest.two + mkdir conftest.dir + if "$as_dir$ac_prog$ac_exec_ext" -c conftest.one conftest.two "`pwd`/conftest.dir/" && + test -s conftest.one && test -s conftest.two && + test -s conftest.dir/conftest.one && + test -s conftest.dir/conftest.two + then + ac_cv_path_install="$as_dir$ac_prog$ac_exec_ext -c" + break 3 + fi + fi + fi + done + done + ;; +esac + + done +IFS=$as_save_IFS + +rm -rf conftest.one conftest.two conftest.dir + +fi + if test ${ac_cv_path_install+y}; then + INSTALL=$ac_cv_path_install + else + # As a last resort, use the slow shell script. Don't cache a + # value for INSTALL within a source directory, because that will + # break other packages using the cache if that directory is + # removed, or if the value is a relative name. + INSTALL=$ac_install_sh + fi +fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $INSTALL" >&5 +printf "%s\n" "$INSTALL" >&6; } + +# Use test -z because SunOS4 sh mishandles braces in ${var-val}. +# It thinks the first close brace ends the variable substitution. +test -z "$INSTALL_PROGRAM" && INSTALL_PROGRAM='${INSTALL}' + +test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL}' + +test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644' + + +ac_config_headers="$ac_config_headers config.h" + + + + + + + + + + + + + + + + + +# +# We're done with configuration operations; add ADDITIONAL_LIBS and +# ADDITIONAL_LIBS_STATIC to LIBS and LIBS_STATIC, respectively. +# +LIBS="$ADDITIONAL_LIBS $LIBS" +LIBS_STATIC="$ADDITIONAL_LIBS_STATIC $LIBS_STATIC" + +ac_config_commands="$ac_config_commands default-1" + +ac_config_files="$ac_config_files Makefile grammar.y pcap-filter.manmisc pcap-linktype.manmisc pcap-tstamp.manmisc pcap-savefile.manfile pcap.3pcap pcap_compile.3pcap pcap_datalink.3pcap pcap_dump_open.3pcap pcap_get_tstamp_precision.3pcap pcap_list_datalinks.3pcap pcap_list_tstamp_types.3pcap pcap_open_dead.3pcap pcap_open_offline.3pcap pcap_set_immediate_mode.3pcap pcap_set_tstamp_precision.3pcap pcap_set_tstamp_type.3pcap rpcapd/Makefile rpcapd/rpcapd.manadmin rpcapd/rpcapd-config.manfile testprogs/Makefile" + +cat >confcache <<\_ACEOF +# This file is a shell script that caches the results of configure +# tests run on this system so they can be shared between configure +# scripts and configure runs, see configure's option --config-cache. +# It is not useful on other systems. If it contains results you don't +# want to keep, you may remove or edit it. +# +# config.status only pays attention to the cache file if you give it +# the --recheck option to rerun configure. +# +# `ac_cv_env_foo' variables (set or unset) will be overridden when +# loading this file, other *unset* `ac_cv_foo' will be assigned the +# following values. + +_ACEOF + +# The following way of writing the cache mishandles newlines in values, +# but we know of no workaround that is simple, portable, and efficient. +# So, we kill variables containing newlines. +# Ultrix sh set writes to stderr and can't be redirected directly, +# and sets the high bit in the cache file unless we assign to the vars. +( + for ac_var in `(set) 2>&1 | sed -n 's/^\([a-zA-Z_][a-zA-Z0-9_]*\)=.*/\1/p'`; do + eval ac_val=\$$ac_var + case $ac_val in #( + *${as_nl}*) + case $ac_var in #( + *_cv_*) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5 +printf "%s\n" "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;; + esac + case $ac_var in #( + _ | IFS | as_nl) ;; #( + BASH_ARGV | BASH_SOURCE) eval $ac_var= ;; #( + *) { eval $ac_var=; unset $ac_var;} ;; + esac ;; + esac + done + + (set) 2>&1 | + case $as_nl`(ac_space=' '; set) 2>&1` in #( + *${as_nl}ac_space=\ *) + # `set' does not quote correctly, so add quotes: double-quote + # substitution turns \\\\ into \\, and sed turns \\ into \. + sed -n \ + "s/'/'\\\\''/g; + s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='\\2'/p" + ;; #( + *) + # `set' quotes correctly as required by POSIX, so do not add quotes. + sed -n "/^[_$as_cr_alnum]*_cv_[_$as_cr_alnum]*=/p" + ;; + esac | + sort +) | + sed ' + /^ac_cv_env_/b end + t clear + :clear + s/^\([^=]*\)=\(.*[{}].*\)$/test ${\1+y} || &/ + t end + s/^\([^=]*\)=\(.*\)$/\1=${\1=\2}/ + :end' >>confcache +if diff "$cache_file" confcache >/dev/null 2>&1; then :; else + if test -w "$cache_file"; then + if test "x$cache_file" != "x/dev/null"; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: updating cache $cache_file" >&5 +printf "%s\n" "$as_me: updating cache $cache_file" >&6;} + if test ! -f "$cache_file" || test -h "$cache_file"; then + cat confcache >"$cache_file" + else + case $cache_file in #( + */* | ?:*) + mv -f confcache "$cache_file"$$ && + mv -f "$cache_file"$$ "$cache_file" ;; #( + *) + mv -f confcache "$cache_file" ;; + esac + fi + fi + else + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: not updating unwritable cache $cache_file" >&5 +printf "%s\n" "$as_me: not updating unwritable cache $cache_file" >&6;} + fi +fi +rm -f confcache + +test "x$prefix" = xNONE && prefix=$ac_default_prefix +# Let make expand exec_prefix. +test "x$exec_prefix" = xNONE && exec_prefix='${prefix}' + +DEFS=-DHAVE_CONFIG_H + +ac_libobjs= +ac_ltlibobjs= +U= +for ac_i in : $LIBOBJS; do test "x$ac_i" = x: && continue + # 1. Remove the extension, and $U if already installed. + ac_script='s/\$U\././;s/\.o$//;s/\.obj$//' + ac_i=`printf "%s\n" "$ac_i" | sed "$ac_script"` + # 2. Prepend LIBOBJDIR. When used with automake>=1.10 LIBOBJDIR + # will be set to the directory where LIBOBJS objects are built. + as_fn_append ac_libobjs " \${LIBOBJDIR}$ac_i\$U.$ac_objext" + as_fn_append ac_ltlibobjs " \${LIBOBJDIR}$ac_i"'$U.lo' +done +LIBOBJS=$ac_libobjs + +LTLIBOBJS=$ac_ltlibobjs + + + +: "${CONFIG_STATUS=./config.status}" +ac_write_fail=0 +ac_clean_files_save=$ac_clean_files +ac_clean_files="$ac_clean_files $CONFIG_STATUS" +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: creating $CONFIG_STATUS" >&5 +printf "%s\n" "$as_me: creating $CONFIG_STATUS" >&6;} +as_write_fail=0 +cat >$CONFIG_STATUS <<_ASEOF || as_write_fail=1 +#! $SHELL +# Generated by $as_me. +# Run this file to recreate the current configuration. +# Compiler output produced by configure, useful for debugging +# configure, is in config.log if it exists. + +debug=false +ac_cs_recheck=false +ac_cs_silent=false + +SHELL=\${CONFIG_SHELL-$SHELL} +export SHELL +_ASEOF +cat >>$CONFIG_STATUS <<\_ASEOF || as_write_fail=1 +## -------------------- ## +## M4sh Initialization. ## +## -------------------- ## + +# Be more Bourne compatible +DUALCASE=1; export DUALCASE # for MKS sh +as_nop=: +if test ${ZSH_VERSION+y} && (emulate sh) >/dev/null 2>&1 +then : + emulate sh + NULLCMD=: + # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which + # is contrary to our usage. Disable this feature. + alias -g '${1+"$@"}'='"$@"' + setopt NO_GLOB_SUBST +else $as_nop + case `(set -o) 2>/dev/null` in #( + *posix*) : + set -o posix ;; #( + *) : + ;; +esac +fi + + + +# Reset variables that may have inherited troublesome values from +# the environment. + +# IFS needs to be set, to space, tab, and newline, in precisely that order. +# (If _AS_PATH_WALK were called with IFS unset, it would have the +# side effect of setting IFS to empty, thus disabling word splitting.) +# Quoting is to prevent editors from complaining about space-tab. +as_nl=' +' +export as_nl +IFS=" "" $as_nl" + +PS1='$ ' +PS2='> ' +PS4='+ ' + +# Ensure predictable behavior from utilities with locale-dependent output. +LC_ALL=C +export LC_ALL +LANGUAGE=C +export LANGUAGE + +# We cannot yet rely on "unset" to work, but we need these variables +# to be unset--not just set to an empty or harmless value--now, to +# avoid bugs in old shells (e.g. pre-3.0 UWIN ksh). This construct +# also avoids known problems related to "unset" and subshell syntax +# in other old shells (e.g. bash 2.01 and pdksh 5.2.14). +for as_var in BASH_ENV ENV MAIL MAILPATH CDPATH +do eval test \${$as_var+y} \ + && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || : +done + +# Ensure that fds 0, 1, and 2 are open. +if (exec 3>&0) 2>/dev/null; then :; else exec 0</dev/null; fi +if (exec 3>&1) 2>/dev/null; then :; else exec 1>/dev/null; fi +if (exec 3>&2) ; then :; else exec 2>/dev/null; fi + +# The user is always right. +if ${PATH_SEPARATOR+false} :; then + PATH_SEPARATOR=: + (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && { + (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 || + PATH_SEPARATOR=';' + } +fi + + +# Find who we are. Look in the path if we contain no directory separator. +as_myself= +case $0 in #(( + *[\\/]* ) as_myself=$0 ;; + *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + case $as_dir in #((( + '') as_dir=./ ;; + */) ;; + *) as_dir=$as_dir/ ;; + esac + test -r "$as_dir$0" && as_myself=$as_dir$0 && break + done +IFS=$as_save_IFS + + ;; +esac +# We did not find ourselves, most probably we were run as `sh COMMAND' +# in which case we are not to be found in the path. +if test "x$as_myself" = x; then + as_myself=$0 +fi +if test ! -f "$as_myself"; then + printf "%s\n" "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2 + exit 1 +fi + + + +# as_fn_error STATUS ERROR [LINENO LOG_FD] +# ---------------------------------------- +# Output "`basename $0`: error: ERROR" to stderr. If LINENO and LOG_FD are +# provided, also output the error to LOG_FD, referencing LINENO. Then exit the +# script with STATUS, using 1 if that was 0. +as_fn_error () +{ + as_status=$1; test $as_status -eq 0 && as_status=1 + if test "$4"; then + as_lineno=${as_lineno-"$3"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: $2" >&$4 + fi + printf "%s\n" "$as_me: error: $2" >&2 + as_fn_exit $as_status +} # as_fn_error + + + +# as_fn_set_status STATUS +# ----------------------- +# Set $? to STATUS, without forking. +as_fn_set_status () +{ + return $1 +} # as_fn_set_status + +# as_fn_exit STATUS +# ----------------- +# Exit the shell with STATUS, even in a "trap 0" or "set -e" context. +as_fn_exit () +{ + set +e + as_fn_set_status $1 + exit $1 +} # as_fn_exit + +# as_fn_unset VAR +# --------------- +# Portably unset VAR. +as_fn_unset () +{ + { eval $1=; unset $1;} +} +as_unset=as_fn_unset + +# as_fn_append VAR VALUE +# ---------------------- +# Append the text in VALUE to the end of the definition contained in VAR. Take +# advantage of any shell optimizations that allow amortized linear growth over +# repeated appends, instead of the typical quadratic growth present in naive +# implementations. +if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null +then : + eval 'as_fn_append () + { + eval $1+=\$2 + }' +else $as_nop + as_fn_append () + { + eval $1=\$$1\$2 + } +fi # as_fn_append + +# as_fn_arith ARG... +# ------------------ +# Perform arithmetic evaluation on the ARGs, and store the result in the +# global $as_val. Take advantage of shells that can avoid forks. The arguments +# must be portable across $(()) and expr. +if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null +then : + eval 'as_fn_arith () + { + as_val=$(( $* )) + }' +else $as_nop + as_fn_arith () + { + as_val=`expr "$@" || test $? -eq 1` + } +fi # as_fn_arith + + +if expr a : '\(a\)' >/dev/null 2>&1 && + test "X`expr 00001 : '.*\(...\)'`" = X001; then + as_expr=expr +else + as_expr=false +fi + +if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then + as_basename=basename +else + as_basename=false +fi + +if (as_dir=`dirname -- /` && test "X$as_dir" = X/) >/dev/null 2>&1; then + as_dirname=dirname +else + as_dirname=false +fi + +as_me=`$as_basename -- "$0" || +$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \ + X"$0" : 'X\(//\)$' \| \ + X"$0" : 'X\(/\)' \| . 2>/dev/null || +printf "%s\n" X/"$0" | + sed '/^.*\/\([^/][^/]*\)\/*$/{ + s//\1/ + q + } + /^X\/\(\/\/\)$/{ + s//\1/ + q + } + /^X\/\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q'` + +# Avoid depending upon Character Ranges. +as_cr_letters='abcdefghijklmnopqrstuvwxyz' +as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ' +as_cr_Letters=$as_cr_letters$as_cr_LETTERS +as_cr_digits='0123456789' +as_cr_alnum=$as_cr_Letters$as_cr_digits + + +# Determine whether it's possible to make 'echo' print without a newline. +# These variables are no longer used directly by Autoconf, but are AC_SUBSTed +# for compatibility with existing Makefiles. +ECHO_C= ECHO_N= ECHO_T= +case `echo -n x` in #((((( +-n*) + case `echo 'xy\c'` in + *c*) ECHO_T=' ';; # ECHO_T is single tab character. + xy) ECHO_C='\c';; + *) echo `echo ksh88 bug on AIX 6.1` > /dev/null + ECHO_T=' ';; + esac;; +*) + ECHO_N='-n';; +esac + +# For backward compatibility with old third-party macros, we provide +# the shell variables $as_echo and $as_echo_n. New code should use +# AS_ECHO(["message"]) and AS_ECHO_N(["message"]), respectively. +as_echo='printf %s\n' +as_echo_n='printf %s' + +rm -f conf$$ conf$$.exe conf$$.file +if test -d conf$$.dir; then + rm -f conf$$.dir/conf$$.file +else + rm -f conf$$.dir + mkdir conf$$.dir 2>/dev/null +fi +if (echo >conf$$.file) 2>/dev/null; then + if ln -s conf$$.file conf$$ 2>/dev/null; then + as_ln_s='ln -s' + # ... but there are two gotchas: + # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail. + # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable. + # In both cases, we have to default to `cp -pR'. + ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe || + as_ln_s='cp -pR' + elif ln conf$$.file conf$$ 2>/dev/null; then + as_ln_s=ln + else + as_ln_s='cp -pR' + fi +else + as_ln_s='cp -pR' +fi +rm -f conf$$ conf$$.exe conf$$.dir/conf$$.file conf$$.file +rmdir conf$$.dir 2>/dev/null + + +# as_fn_mkdir_p +# ------------- +# Create "$as_dir" as a directory, including parents if necessary. +as_fn_mkdir_p () +{ + + case $as_dir in #( + -*) as_dir=./$as_dir;; + esac + test -d "$as_dir" || eval $as_mkdir_p || { + as_dirs= + while :; do + case $as_dir in #( + *\'*) as_qdir=`printf "%s\n" "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'( + *) as_qdir=$as_dir;; + esac + as_dirs="'$as_qdir' $as_dirs" + as_dir=`$as_dirname -- "$as_dir" || +$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ + X"$as_dir" : 'X\(//\)[^/]' \| \ + X"$as_dir" : 'X\(//\)$' \| \ + X"$as_dir" : 'X\(/\)' \| . 2>/dev/null || +printf "%s\n" X"$as_dir" | + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ + s//\1/ + q + } + /^X\(\/\/\)[^/].*/{ + s//\1/ + q + } + /^X\(\/\/\)$/{ + s//\1/ + q + } + /^X\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q'` + test -d "$as_dir" && break + done + test -z "$as_dirs" || eval "mkdir $as_dirs" + } || test -d "$as_dir" || as_fn_error $? "cannot create directory $as_dir" + + +} # as_fn_mkdir_p +if mkdir -p . 2>/dev/null; then + as_mkdir_p='mkdir -p "$as_dir"' +else + test -d ./-p && rmdir ./-p + as_mkdir_p=false +fi + + +# as_fn_executable_p FILE +# ----------------------- +# Test if FILE is an executable regular file. +as_fn_executable_p () +{ + test -f "$1" && test -x "$1" +} # as_fn_executable_p +as_test_x='test -x' +as_executable_p=as_fn_executable_p + +# Sed expression to map a string onto a valid CPP name. +as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'" + +# Sed expression to map a string onto a valid variable name. +as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'" + + +exec 6>&1 +## ----------------------------------- ## +## Main body of $CONFIG_STATUS script. ## +## ----------------------------------- ## +_ASEOF +test $as_write_fail = 0 && chmod +x $CONFIG_STATUS || ac_write_fail=1 + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +# Save the log message, to keep $0 and so on meaningful, and to +# report actual input values of CONFIG_FILES etc. instead of their +# values after options handling. +ac_log=" +This file was extended by pcap $as_me 1.10.5, which was +generated by GNU Autoconf 2.71. Invocation command line was + + CONFIG_FILES = $CONFIG_FILES + CONFIG_HEADERS = $CONFIG_HEADERS + CONFIG_LINKS = $CONFIG_LINKS + CONFIG_COMMANDS = $CONFIG_COMMANDS + $ $0 $@ + +on `(hostname || uname -n) 2>/dev/null | sed 1q` +" + +_ACEOF + +case $ac_config_files in *" +"*) set x $ac_config_files; shift; ac_config_files=$*;; +esac + +case $ac_config_headers in *" +"*) set x $ac_config_headers; shift; ac_config_headers=$*;; +esac + + +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +# Files that config.status was made for. +config_files="$ac_config_files" +config_headers="$ac_config_headers" +config_commands="$ac_config_commands" + +_ACEOF + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +ac_cs_usage="\ +\`$as_me' instantiates files and other configuration actions +from templates according to the current configuration. Unless the files +and actions are specified as TAGs, all are instantiated by default. + +Usage: $0 [OPTION]... [TAG]... + + -h, --help print this help, then exit + -V, --version print version number and configuration settings, then exit + --config print configuration, then exit + -q, --quiet, --silent + do not print progress messages + -d, --debug don't remove temporary files + --recheck update $as_me by reconfiguring in the same conditions + --file=FILE[:TEMPLATE] + instantiate the configuration file FILE + --header=FILE[:TEMPLATE] + instantiate the configuration header FILE + +Configuration files: +$config_files + +Configuration headers: +$config_headers + +Configuration commands: +$config_commands + +Report bugs to the package provider." + +_ACEOF +ac_cs_config=`printf "%s\n" "$ac_configure_args" | sed "$ac_safe_unquote"` +ac_cs_config_escaped=`printf "%s\n" "$ac_cs_config" | sed "s/^ //; s/'/'\\\\\\\\''/g"` +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +ac_cs_config='$ac_cs_config_escaped' +ac_cs_version="\\ +pcap config.status 1.10.5 +configured by $0, generated by GNU Autoconf 2.71, + with options \\"\$ac_cs_config\\" + +Copyright (C) 2021 Free Software Foundation, Inc. +This config.status script is free software; the Free Software Foundation +gives unlimited permission to copy, distribute and modify it." + +ac_pwd='$ac_pwd' +srcdir='$srcdir' +INSTALL='$INSTALL' +test -n "\$AWK" || AWK=awk +_ACEOF + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +# The default lists apply if the user does not specify any file. +ac_need_defaults=: +while test $# != 0 +do + case $1 in + --*=?*) + ac_option=`expr "X$1" : 'X\([^=]*\)='` + ac_optarg=`expr "X$1" : 'X[^=]*=\(.*\)'` + ac_shift=: + ;; + --*=) + ac_option=`expr "X$1" : 'X\([^=]*\)='` + ac_optarg= + ac_shift=: + ;; + *) + ac_option=$1 + ac_optarg=$2 + ac_shift=shift + ;; + esac + + case $ac_option in + # Handling of the options. + -recheck | --recheck | --rechec | --reche | --rech | --rec | --re | --r) + ac_cs_recheck=: ;; + --version | --versio | --versi | --vers | --ver | --ve | --v | -V ) + printf "%s\n" "$ac_cs_version"; exit ;; + --config | --confi | --conf | --con | --co | --c ) + printf "%s\n" "$ac_cs_config"; exit ;; + --debug | --debu | --deb | --de | --d | -d ) + debug=: ;; + --file | --fil | --fi | --f ) + $ac_shift + case $ac_optarg in + *\'*) ac_optarg=`printf "%s\n" "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;; + '') as_fn_error $? "missing file argument" ;; + esac + as_fn_append CONFIG_FILES " '$ac_optarg'" + ac_need_defaults=false;; + --header | --heade | --head | --hea ) + $ac_shift + case $ac_optarg in + *\'*) ac_optarg=`printf "%s\n" "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;; + esac + as_fn_append CONFIG_HEADERS " '$ac_optarg'" + ac_need_defaults=false;; + --he | --h) + # Conflict between --help and --header + as_fn_error $? "ambiguous option: \`$1' +Try \`$0 --help' for more information.";; + --help | --hel | -h ) + printf "%s\n" "$ac_cs_usage"; exit ;; + -q | -quiet | --quiet | --quie | --qui | --qu | --q \ + | -silent | --silent | --silen | --sile | --sil | --si | --s) + ac_cs_silent=: ;; + + # This is an error. + -*) as_fn_error $? "unrecognized option: \`$1' +Try \`$0 --help' for more information." ;; + + *) as_fn_append ac_config_targets " $1" + ac_need_defaults=false ;; + + esac + shift +done + +ac_configure_extra_args= + +if $ac_cs_silent; then + exec 6>/dev/null + ac_configure_extra_args="$ac_configure_extra_args --silent" +fi + +_ACEOF +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +if \$ac_cs_recheck; then + set X $SHELL '$0' $ac_configure_args \$ac_configure_extra_args --no-create --no-recursion + shift + \printf "%s\n" "running CONFIG_SHELL=$SHELL \$*" >&6 + CONFIG_SHELL='$SHELL' + export CONFIG_SHELL + exec "\$@" +fi + +_ACEOF +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +exec 5>>config.log +{ + echo + sed 'h;s/./-/g;s/^.../## /;s/...$/ ##/;p;x;p;x' <<_ASBOX +## Running $as_me. ## +_ASBOX + printf "%s\n" "$ac_log" +} >&5 + +_ACEOF +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +# +# INIT-COMMANDS +# + + +_ACEOF + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 + +# Handling of arguments. +for ac_config_target in $ac_config_targets +do + case $ac_config_target in + "config.h") CONFIG_HEADERS="$CONFIG_HEADERS config.h" ;; + "default-1") CONFIG_COMMANDS="$CONFIG_COMMANDS default-1" ;; + "Makefile") CONFIG_FILES="$CONFIG_FILES Makefile" ;; + "grammar.y") CONFIG_FILES="$CONFIG_FILES grammar.y" ;; + "pcap-filter.manmisc") CONFIG_FILES="$CONFIG_FILES pcap-filter.manmisc" ;; + "pcap-linktype.manmisc") CONFIG_FILES="$CONFIG_FILES pcap-linktype.manmisc" ;; + "pcap-tstamp.manmisc") CONFIG_FILES="$CONFIG_FILES pcap-tstamp.manmisc" ;; + "pcap-savefile.manfile") CONFIG_FILES="$CONFIG_FILES pcap-savefile.manfile" ;; + "pcap.3pcap") CONFIG_FILES="$CONFIG_FILES pcap.3pcap" ;; + "pcap_compile.3pcap") CONFIG_FILES="$CONFIG_FILES pcap_compile.3pcap" ;; + "pcap_datalink.3pcap") CONFIG_FILES="$CONFIG_FILES pcap_datalink.3pcap" ;; + "pcap_dump_open.3pcap") CONFIG_FILES="$CONFIG_FILES pcap_dump_open.3pcap" ;; + "pcap_get_tstamp_precision.3pcap") CONFIG_FILES="$CONFIG_FILES pcap_get_tstamp_precision.3pcap" ;; + "pcap_list_datalinks.3pcap") CONFIG_FILES="$CONFIG_FILES pcap_list_datalinks.3pcap" ;; + "pcap_list_tstamp_types.3pcap") CONFIG_FILES="$CONFIG_FILES pcap_list_tstamp_types.3pcap" ;; + "pcap_open_dead.3pcap") CONFIG_FILES="$CONFIG_FILES pcap_open_dead.3pcap" ;; + "pcap_open_offline.3pcap") CONFIG_FILES="$CONFIG_FILES pcap_open_offline.3pcap" ;; + "pcap_set_immediate_mode.3pcap") CONFIG_FILES="$CONFIG_FILES pcap_set_immediate_mode.3pcap" ;; + "pcap_set_tstamp_precision.3pcap") CONFIG_FILES="$CONFIG_FILES pcap_set_tstamp_precision.3pcap" ;; + "pcap_set_tstamp_type.3pcap") CONFIG_FILES="$CONFIG_FILES pcap_set_tstamp_type.3pcap" ;; + "rpcapd/Makefile") CONFIG_FILES="$CONFIG_FILES rpcapd/Makefile" ;; + "rpcapd/rpcapd.manadmin") CONFIG_FILES="$CONFIG_FILES rpcapd/rpcapd.manadmin" ;; + "rpcapd/rpcapd-config.manfile") CONFIG_FILES="$CONFIG_FILES rpcapd/rpcapd-config.manfile" ;; + "testprogs/Makefile") CONFIG_FILES="$CONFIG_FILES testprogs/Makefile" ;; + + *) as_fn_error $? "invalid argument: \`$ac_config_target'" "$LINENO" 5;; + esac +done + + +# If the user did not use the arguments to specify the items to instantiate, +# then the envvar interface is used. Set only those that are not. +# We use the long form for the default assignment because of an extremely +# bizarre bug on SunOS 4.1.3. +if $ac_need_defaults; then + test ${CONFIG_FILES+y} || CONFIG_FILES=$config_files + test ${CONFIG_HEADERS+y} || CONFIG_HEADERS=$config_headers + test ${CONFIG_COMMANDS+y} || CONFIG_COMMANDS=$config_commands +fi + +# Have a temporary directory for convenience. Make it in the build tree +# simply because there is no reason against having it here, and in addition, +# creating and moving files from /tmp can sometimes cause problems. +# Hook for its removal unless debugging. +# Note that there is a small window in which the directory will not be cleaned: +# after its creation but before its name has been assigned to `$tmp'. +$debug || +{ + tmp= ac_tmp= + trap 'exit_status=$? + : "${ac_tmp:=$tmp}" + { test ! -d "$ac_tmp" || rm -fr "$ac_tmp"; } && exit $exit_status +' 0 + trap 'as_fn_exit 1' 1 2 13 15 +} +# Create a (secure) tmp directory for tmp files. + +{ + tmp=`(umask 077 && mktemp -d "./confXXXXXX") 2>/dev/null` && + test -d "$tmp" +} || +{ + tmp=./conf$$-$RANDOM + (umask 077 && mkdir "$tmp") +} || as_fn_error $? "cannot create a temporary directory in ." "$LINENO" 5 +ac_tmp=$tmp + +# Set up the scripts for CONFIG_FILES section. +# No need to generate them if there are no CONFIG_FILES. +# This happens for instance with `./config.status config.h'. +if test -n "$CONFIG_FILES"; then + + +ac_cr=`echo X | tr X '\015'` +# On cygwin, bash can eat \r inside `` if the user requested igncr. +# But we know of no other shell where ac_cr would be empty at this +# point, so we can use a bashism as a fallback. +if test "x$ac_cr" = x; then + eval ac_cr=\$\'\\r\' +fi +ac_cs_awk_cr=`$AWK 'BEGIN { print "a\rb" }' </dev/null 2>/dev/null` +if test "$ac_cs_awk_cr" = "a${ac_cr}b"; then + ac_cs_awk_cr='\\r' +else + ac_cs_awk_cr=$ac_cr +fi + +echo 'BEGIN {' >"$ac_tmp/subs1.awk" && +_ACEOF + + +{ + echo "cat >conf$$subs.awk <<_ACEOF" && + echo "$ac_subst_vars" | sed 's/.*/&!$&$ac_delim/' && + echo "_ACEOF" +} >conf$$subs.sh || + as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5 +ac_delim_num=`echo "$ac_subst_vars" | grep -c '^'` +ac_delim='%!_!# ' +for ac_last_try in false false false false false :; do + . ./conf$$subs.sh || + as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5 + + ac_delim_n=`sed -n "s/.*$ac_delim\$/X/p" conf$$subs.awk | grep -c X` + if test $ac_delim_n = $ac_delim_num; then + break + elif $ac_last_try; then + as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5 + else + ac_delim="$ac_delim!$ac_delim _$ac_delim!! " + fi +done +rm -f conf$$subs.sh + +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +cat >>"\$ac_tmp/subs1.awk" <<\\_ACAWK && +_ACEOF +sed -n ' +h +s/^/S["/; s/!.*/"]=/ +p +g +s/^[^!]*!// +:repl +t repl +s/'"$ac_delim"'$// +t delim +:nl +h +s/\(.\{148\}\)..*/\1/ +t more1 +s/["\\]/\\&/g; s/^/"/; s/$/\\n"\\/ +p +n +b repl +:more1 +s/["\\]/\\&/g; s/^/"/; s/$/"\\/ +p +g +s/.\{148\}// +t nl +:delim +h +s/\(.\{148\}\)..*/\1/ +t more2 +s/["\\]/\\&/g; s/^/"/; s/$/"/ +p +b +:more2 +s/["\\]/\\&/g; s/^/"/; s/$/"\\/ +p +g +s/.\{148\}// +t delim +' <conf$$subs.awk | sed ' +/^[^""]/{ + N + s/\n// +} +' >>$CONFIG_STATUS || ac_write_fail=1 +rm -f conf$$subs.awk +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +_ACAWK +cat >>"\$ac_tmp/subs1.awk" <<_ACAWK && + for (key in S) S_is_set[key] = 1 + FS = "" + +} +{ + line = $ 0 + nfields = split(line, field, "@") + substed = 0 + len = length(field[1]) + for (i = 2; i < nfields; i++) { + key = field[i] + keylen = length(key) + if (S_is_set[key]) { + value = S[key] + line = substr(line, 1, len) "" value "" substr(line, len + keylen + 3) + len += length(value) + length(field[++i]) + substed = 1 + } else + len += 1 + keylen + } + + print line +} + +_ACAWK +_ACEOF +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +if sed "s/$ac_cr//" < /dev/null > /dev/null 2>&1; then + sed "s/$ac_cr\$//; s/$ac_cr/$ac_cs_awk_cr/g" +else + cat +fi < "$ac_tmp/subs1.awk" > "$ac_tmp/subs.awk" \ + || as_fn_error $? "could not setup config files machinery" "$LINENO" 5 +_ACEOF + +# VPATH may cause trouble with some makes, so we remove sole $(srcdir), +# ${srcdir} and @srcdir@ entries from VPATH if srcdir is ".", strip leading and +# trailing colons and then remove the whole line if VPATH becomes empty +# (actually we leave an empty line to preserve line numbers). +if test "x$srcdir" = x.; then + ac_vpsub='/^[ ]*VPATH[ ]*=[ ]*/{ +h +s/// +s/^/:/ +s/[ ]*$/:/ +s/:\$(srcdir):/:/g +s/:\${srcdir}:/:/g +s/:@srcdir@:/:/g +s/^:*// +s/:*$// +x +s/\(=[ ]*\).*/\1/ +G +s/\n// +s/^[^=]*=[ ]*$// +}' +fi + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +fi # test -n "$CONFIG_FILES" + +# Set up the scripts for CONFIG_HEADERS section. +# No need to generate them if there are no CONFIG_HEADERS. +# This happens for instance with `./config.status Makefile'. +if test -n "$CONFIG_HEADERS"; then +cat >"$ac_tmp/defines.awk" <<\_ACAWK || +BEGIN { +_ACEOF + +# Transform confdefs.h into an awk script `defines.awk', embedded as +# here-document in config.status, that substitutes the proper values into +# config.h.in to produce config.h. + +# Create a delimiter string that does not exist in confdefs.h, to ease +# handling of long lines. +ac_delim='%!_!# ' +for ac_last_try in false false :; do + ac_tt=`sed -n "/$ac_delim/p" confdefs.h` + if test -z "$ac_tt"; then + break + elif $ac_last_try; then + as_fn_error $? "could not make $CONFIG_HEADERS" "$LINENO" 5 + else + ac_delim="$ac_delim!$ac_delim _$ac_delim!! " + fi +done + +# For the awk script, D is an array of macro values keyed by name, +# likewise P contains macro parameters if any. Preserve backslash +# newline sequences. + +ac_word_re=[_$as_cr_Letters][_$as_cr_alnum]* +sed -n ' +s/.\{148\}/&'"$ac_delim"'/g +t rset +:rset +s/^[ ]*#[ ]*define[ ][ ]*/ / +t def +d +:def +s/\\$// +t bsnl +s/["\\]/\\&/g +s/^ \('"$ac_word_re"'\)\(([^()]*)\)[ ]*\(.*\)/P["\1"]="\2"\ +D["\1"]=" \3"/p +s/^ \('"$ac_word_re"'\)[ ]*\(.*\)/D["\1"]=" \2"/p +d +:bsnl +s/["\\]/\\&/g +s/^ \('"$ac_word_re"'\)\(([^()]*)\)[ ]*\(.*\)/P["\1"]="\2"\ +D["\1"]=" \3\\\\\\n"\\/p +t cont +s/^ \('"$ac_word_re"'\)[ ]*\(.*\)/D["\1"]=" \2\\\\\\n"\\/p +t cont +d +:cont +n +s/.\{148\}/&'"$ac_delim"'/g +t clear +:clear +s/\\$// +t bsnlc +s/["\\]/\\&/g; s/^/"/; s/$/"/p +d +:bsnlc +s/["\\]/\\&/g; s/^/"/; s/$/\\\\\\n"\\/p +b cont +' <confdefs.h | sed ' +s/'"$ac_delim"'/"\\\ +"/g' >>$CONFIG_STATUS || ac_write_fail=1 + +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 + for (key in D) D_is_set[key] = 1 + FS = "" +} +/^[\t ]*#[\t ]*(define|undef)[\t ]+$ac_word_re([\t (]|\$)/ { + line = \$ 0 + split(line, arg, " ") + if (arg[1] == "#") { + defundef = arg[2] + mac1 = arg[3] + } else { + defundef = substr(arg[1], 2) + mac1 = arg[2] + } + split(mac1, mac2, "(") #) + macro = mac2[1] + prefix = substr(line, 1, index(line, defundef) - 1) + if (D_is_set[macro]) { + # Preserve the white space surrounding the "#". + print prefix "define", macro P[macro] D[macro] + next + } else { + # Replace #undef with comments. This is necessary, for example, + # in the case of _POSIX_SOURCE, which is predefined and required + # on some systems where configure will not decide to define it. + if (defundef == "undef") { + print "/*", prefix defundef, macro, "*/" + next + } + } +} +{ print } +_ACAWK +_ACEOF +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 + as_fn_error $? "could not setup config headers machinery" "$LINENO" 5 +fi # test -n "$CONFIG_HEADERS" + + +eval set X " :F $CONFIG_FILES :H $CONFIG_HEADERS :C $CONFIG_COMMANDS" +shift +for ac_tag +do + case $ac_tag in + :[FHLC]) ac_mode=$ac_tag; continue;; + esac + case $ac_mode$ac_tag in + :[FHL]*:*);; + :L* | :C*:*) as_fn_error $? "invalid tag \`$ac_tag'" "$LINENO" 5;; + :[FH]-) ac_tag=-:-;; + :[FH]*) ac_tag=$ac_tag:$ac_tag.in;; + esac + ac_save_IFS=$IFS + IFS=: + set x $ac_tag + IFS=$ac_save_IFS + shift + ac_file=$1 + shift + + case $ac_mode in + :L) ac_source=$1;; + :[FH]) + ac_file_inputs= + for ac_f + do + case $ac_f in + -) ac_f="$ac_tmp/stdin";; + *) # Look for the file first in the build tree, then in the source tree + # (if the path is not absolute). The absolute path cannot be DOS-style, + # because $ac_f cannot contain `:'. + test -f "$ac_f" || + case $ac_f in + [\\/$]*) false;; + *) test -f "$srcdir/$ac_f" && ac_f="$srcdir/$ac_f";; + esac || + as_fn_error 1 "cannot find input file: \`$ac_f'" "$LINENO" 5;; + esac + case $ac_f in *\'*) ac_f=`printf "%s\n" "$ac_f" | sed "s/'/'\\\\\\\\''/g"`;; esac + as_fn_append ac_file_inputs " '$ac_f'" + done + + # Let's still pretend it is `configure' which instantiates (i.e., don't + # use $as_me), people would be surprised to read: + # /* config.h. Generated by config.status. */ + configure_input='Generated from '` + printf "%s\n" "$*" | sed 's|^[^:]*/||;s|:[^:]*/|, |g' + `' by configure.' + if test x"$ac_file" != x-; then + configure_input="$ac_file. $configure_input" + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: creating $ac_file" >&5 +printf "%s\n" "$as_me: creating $ac_file" >&6;} + fi + # Neutralize special characters interpreted by sed in replacement strings. + case $configure_input in #( + *\&* | *\|* | *\\* ) + ac_sed_conf_input=`printf "%s\n" "$configure_input" | + sed 's/[\\\\&|]/\\\\&/g'`;; #( + *) ac_sed_conf_input=$configure_input;; + esac + + case $ac_tag in + *:-:* | *:-) cat >"$ac_tmp/stdin" \ + || as_fn_error $? "could not create $ac_file" "$LINENO" 5 ;; + esac + ;; + esac + + ac_dir=`$as_dirname -- "$ac_file" || +$as_expr X"$ac_file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ + X"$ac_file" : 'X\(//\)[^/]' \| \ + X"$ac_file" : 'X\(//\)$' \| \ + X"$ac_file" : 'X\(/\)' \| . 2>/dev/null || +printf "%s\n" X"$ac_file" | + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ + s//\1/ + q + } + /^X\(\/\/\)[^/].*/{ + s//\1/ + q + } + /^X\(\/\/\)$/{ + s//\1/ + q + } + /^X\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q'` + as_dir="$ac_dir"; as_fn_mkdir_p + ac_builddir=. + +case "$ac_dir" in +.) ac_dir_suffix= ac_top_builddir_sub=. ac_top_build_prefix= ;; +*) + ac_dir_suffix=/`printf "%s\n" "$ac_dir" | sed 's|^\.[\\/]||'` + # A ".." for each directory in $ac_dir_suffix. + ac_top_builddir_sub=`printf "%s\n" "$ac_dir_suffix" | sed 's|/[^\\/]*|/..|g;s|/||'` + case $ac_top_builddir_sub in + "") ac_top_builddir_sub=. ac_top_build_prefix= ;; + *) ac_top_build_prefix=$ac_top_builddir_sub/ ;; + esac ;; +esac +ac_abs_top_builddir=$ac_pwd +ac_abs_builddir=$ac_pwd$ac_dir_suffix +# for backward compatibility: +ac_top_builddir=$ac_top_build_prefix + +case $srcdir in + .) # We are building in place. + ac_srcdir=. + ac_top_srcdir=$ac_top_builddir_sub + ac_abs_top_srcdir=$ac_pwd ;; + [\\/]* | ?:[\\/]* ) # Absolute name. + ac_srcdir=$srcdir$ac_dir_suffix; + ac_top_srcdir=$srcdir + ac_abs_top_srcdir=$srcdir ;; + *) # Relative name. + ac_srcdir=$ac_top_build_prefix$srcdir$ac_dir_suffix + ac_top_srcdir=$ac_top_build_prefix$srcdir + ac_abs_top_srcdir=$ac_pwd/$srcdir ;; +esac +ac_abs_srcdir=$ac_abs_top_srcdir$ac_dir_suffix + + + case $ac_mode in + :F) + # + # CONFIG_FILE + # + + case $INSTALL in + [\\/$]* | ?:[\\/]* ) ac_INSTALL=$INSTALL ;; + *) ac_INSTALL=$ac_top_build_prefix$INSTALL ;; + esac +_ACEOF + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +# If the template does not know about datarootdir, expand it. +# FIXME: This hack should be removed a few years after 2.60. +ac_datarootdir_hack=; ac_datarootdir_seen= +ac_sed_dataroot=' +/datarootdir/ { + p + q +} +/@datadir@/p +/@docdir@/p +/@infodir@/p +/@localedir@/p +/@mandir@/p' +case `eval "sed -n \"\$ac_sed_dataroot\" $ac_file_inputs"` in +*datarootdir*) ac_datarootdir_seen=yes;; +*@datadir@*|*@docdir@*|*@infodir@*|*@localedir@*|*@mandir@*) + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&5 +printf "%s\n" "$as_me: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&2;} +_ACEOF +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 + ac_datarootdir_hack=' + s&@datadir@&$datadir&g + s&@docdir@&$docdir&g + s&@infodir@&$infodir&g + s&@localedir@&$localedir&g + s&@mandir@&$mandir&g + s&\\\${datarootdir}&$datarootdir&g' ;; +esac +_ACEOF + +# Neutralize VPATH when `$srcdir' = `.'. +# Shell code in configure.ac might set extrasub. +# FIXME: do we really want to maintain this feature? +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +ac_sed_extra="$ac_vpsub +$extrasub +_ACEOF +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +:t +/@[a-zA-Z_][a-zA-Z_0-9]*@/!b +s|@configure_input@|$ac_sed_conf_input|;t t +s&@top_builddir@&$ac_top_builddir_sub&;t t +s&@top_build_prefix@&$ac_top_build_prefix&;t t +s&@srcdir@&$ac_srcdir&;t t +s&@abs_srcdir@&$ac_abs_srcdir&;t t +s&@top_srcdir@&$ac_top_srcdir&;t t +s&@abs_top_srcdir@&$ac_abs_top_srcdir&;t t +s&@builddir@&$ac_builddir&;t t +s&@abs_builddir@&$ac_abs_builddir&;t t +s&@abs_top_builddir@&$ac_abs_top_builddir&;t t +s&@INSTALL@&$ac_INSTALL&;t t +$ac_datarootdir_hack +" +eval sed \"\$ac_sed_extra\" "$ac_file_inputs" | $AWK -f "$ac_tmp/subs.awk" \ + >$ac_tmp/out || as_fn_error $? "could not create $ac_file" "$LINENO" 5 + +test -z "$ac_datarootdir_hack$ac_datarootdir_seen" && + { ac_out=`sed -n '/\${datarootdir}/p' "$ac_tmp/out"`; test -n "$ac_out"; } && + { ac_out=`sed -n '/^[ ]*datarootdir[ ]*:*=/p' \ + "$ac_tmp/out"`; test -z "$ac_out"; } && + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file contains a reference to the variable \`datarootdir' +which seems to be undefined. Please make sure it is defined" >&5 +printf "%s\n" "$as_me: WARNING: $ac_file contains a reference to the variable \`datarootdir' +which seems to be undefined. Please make sure it is defined" >&2;} + + rm -f "$ac_tmp/stdin" + case $ac_file in + -) cat "$ac_tmp/out" && rm -f "$ac_tmp/out";; + *) rm -f "$ac_file" && mv "$ac_tmp/out" "$ac_file";; + esac \ + || as_fn_error $? "could not create $ac_file" "$LINENO" 5 + ;; + :H) + # + # CONFIG_HEADER + # + if test x"$ac_file" != x-; then + { + printf "%s\n" "/* $configure_input */" >&1 \ + && eval '$AWK -f "$ac_tmp/defines.awk"' "$ac_file_inputs" + } >"$ac_tmp/config.h" \ + || as_fn_error $? "could not create $ac_file" "$LINENO" 5 + if diff "$ac_file" "$ac_tmp/config.h" >/dev/null 2>&1; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: $ac_file is unchanged" >&5 +printf "%s\n" "$as_me: $ac_file is unchanged" >&6;} + else + rm -f "$ac_file" + mv "$ac_tmp/config.h" "$ac_file" \ + || as_fn_error $? "could not create $ac_file" "$LINENO" 5 + fi + else + printf "%s\n" "/* $configure_input */" >&1 \ + && eval '$AWK -f "$ac_tmp/defines.awk"' "$ac_file_inputs" \ + || as_fn_error $? "could not create -" "$LINENO" 5 + fi + ;; + + :C) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: executing $ac_file commands" >&5 +printf "%s\n" "$as_me: executing $ac_file commands" >&6;} + ;; + esac + + + case $ac_file$ac_mode in + "default-1":C) if test -f .devel; then + echo timestamp > stamp-h + cat $srcdir/Makefile-devel-adds >> Makefile + make depend || exit 1 +fi ;; + + esac +done # for ac_tag + + +as_fn_exit 0 +_ACEOF +ac_clean_files=$ac_clean_files_save + +test $ac_write_fail = 0 || + as_fn_error $? "write failure creating $CONFIG_STATUS" "$LINENO" 5 + + +# configure is writing to config.log, and then calls config.status. +# config.status does its own redirection, appending to config.log. +# Unfortunately, on DOS this fails, as config.log is still kept open +# by configure, so config.status won't be able to write to it; its +# output is simply discarded. So we exec the FD to /dev/null, +# effectively closing config.log, so it can be properly (re)opened and +# appended to by config.status. When coming back to configure, we +# need to make the FD available again. +if test "$no_create" != yes; then + ac_cs_success=: + ac_config_status_args= + test "$silent" = yes && + ac_config_status_args="$ac_config_status_args --quiet" + exec 5>/dev/null + $SHELL $CONFIG_STATUS $ac_config_status_args || ac_cs_success=false + exec 5>>config.log + # Use ||, not &&, to avoid exiting from the if with $? = 1, which + # would make configure fail if this is the last instruction. + $ac_cs_success || as_fn_exit 1 +fi +if test -n "$ac_unrecognized_opts" && test "$enable_option_checking" != no; then + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: unrecognized options: $ac_unrecognized_opts" >&5 +printf "%s\n" "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2;} +fi + +exit 0 + |