vendor/libpcap/1.9.1

1 files changed, 1269 insertions, 189 deletions

diff --git a/configure b/configure
index ef4bc9f2cc06..fa15fc7314eb 100755
--- a/configure
+++ b/configure
@@ -1,6 +1,6 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.69 for pcap 1.9.0-PRE-GIT.
+# Generated by GNU Autoconf 2.69 for pcap 1.9.1.
 #
 #
 # Copyright (C) 1992-1996, 1998-2012 Free Software Foundation, Inc.
@@ -577,8 +577,8 @@ MAKEFLAGS=
 # Identity of this package.
 PACKAGE_NAME='pcap'
 PACKAGE_TARNAME='pcap'
-PACKAGE_VERSION='1.9.0-PRE-GIT'
-PACKAGE_STRING='pcap 1.9.0-PRE-GIT'
+PACKAGE_VERSION='1.9.1'
+PACKAGE_STRING='pcap 1.9.1'
 PACKAGE_BUGREPORT=''
 PACKAGE_URL=''
 
@@ -645,6 +645,7 @@ PTHREAD_LIBS
 MAN_ADMIN_COMMANDS
 MAN_MISC_INFO
 MAN_FILE_FORMATS
+MAN_DEVICES
 DYEXT
 SSRC
 ADDLARCHIVEOBJS
@@ -660,6 +661,10 @@ V_LEX
 V_INCLS
 V_FINDALLDEVS
 V_DEFS
+V_PROG_LDFLAGS_FAT
+V_PROG_CCOPT_FAT
+V_LIB_LDFLAGS_FAT
+V_LIB_CCOPT_FAT
 V_CCOPT
 MKDEP
 DEPENDENCY_CFLAG
@@ -716,6 +721,7 @@ infodir
 docdir
 oldincludedir
 includedir
+runstatedir
 localstatedir
 sharedstatedir
 sysconfdir
@@ -814,6 +820,7 @@ datadir='${datarootdir}'
 sysconfdir='${prefix}/etc'
 sharedstatedir='${prefix}/com'
 localstatedir='${prefix}/var'
+runstatedir='${localstatedir}/run'
 includedir='${prefix}/include'
 oldincludedir='/usr/include'
 docdir='${datarootdir}/doc/${PACKAGE_TARNAME}'
@@ -1066,6 +1073,15 @@ do
   | -silent | --silent | --silen | --sile | --sil)
     silent=yes ;;
 
+  -runstatedir | --runstatedir | --runstatedi | --runstated \
+  | --runstate | --runstat | --runsta | --runst | --runs \
+  | --run | --ru | --r)
+    ac_prev=runstatedir ;;
+  -runstatedir=* | --runstatedir=* | --runstatedi=* | --runstated=* \
+  | --runstate=* | --runstat=* | --runsta=* | --runst=* | --runs=* \
+  | --run=* | --ru=* | --r=*)
+    runstatedir=$ac_optarg ;;
+
   -sbindir | --sbindir | --sbindi | --sbind | --sbin | --sbi | --sb)
     ac_prev=sbindir ;;
   -sbindir=* | --sbindir=* | --sbindi=* | --sbind=* | --sbin=* \
@@ -1203,7 +1219,7 @@ fi
 for ac_var in	exec_prefix prefix bindir sbindir libexecdir datarootdir \
 		datadir sysconfdir sharedstatedir localstatedir includedir \
 		oldincludedir docdir infodir htmldir dvidir pdfdir psdir \
-		libdir localedir mandir
+		libdir localedir mandir runstatedir
 do
   eval ac_val=\$$ac_var
   # Remove trailing slashes.
@@ -1316,7 +1332,7 @@ if test "$ac_init_help" = "long"; then
   # Omit some internal or obsolete options to make the list less imposing.
   # This message is too long to be a string in the A/UX 3.1 sh.
   cat <<_ACEOF
-\`configure' configures pcap 1.9.0-PRE-GIT to adapt to many kinds of systems.
+\`configure' configures pcap 1.9.1 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1356,6 +1372,7 @@ Fine tuning of the installation directories:
   --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]
@@ -1382,7 +1399,7 @@ fi
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of pcap 1.9.0-PRE-GIT:";;
+     short | recursive ) echo "Configuration of pcap 1.9.1:";;
    esac
   cat <<\_ACEOF
 
@@ -1520,7 +1537,7 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-pcap configure 1.9.0-PRE-GIT
+pcap configure 1.9.1
 generated by GNU Autoconf 2.69
 
 Copyright (C) 2012 Free Software Foundation, Inc.
@@ -2042,7 +2059,7 @@ 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 1.9.0-PRE-GIT, which was
+It was created by pcap $as_me 1.9.1, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   $ $0 $@
@@ -3576,6 +3593,10 @@ if test "x$ac_cv_prog_cc_c99" != xno; then :
 fi
 
 
+if test "$ac_cv_prog_cc_c99" = "no"; then
+	{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: The C compiler does not support C99; there may be compiler errors" >&5
+$as_echo "$as_me: WARNING: The C compiler does not support C99; there may be compiler errors" >&2;}
+fi
 
 
 
@@ -3623,8 +3644,47 @@ if ac_fn_c_try_compile "$LINENO"; then :
 
 		{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
+		can_add_to_cflags=yes
+		#
+		# The compile supports this; do we have some C code for
+		# which the warning should *not* appear?
+		# We test the fourth argument because the third argument
+		# could contain quotes, breaking the test.
+		#
+		if test "x" != "x"
+		then
+		    CFLAGS="$CFLAGS $ac_lbl_cc_force_warning_errors"
+		    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether -fvisibility=hidden " >&5
+$as_echo_n "checking whether -fvisibility=hidden ... " >&6; }
+		    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+			#
+			# Not a problem.
+			#
+			{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+
+else
+
+			#
+			# A problem.
+			#
+			{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+			can_add_to_cflags=no
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+		fi
 		CFLAGS="$save_CFLAGS"
-		V_CCOPT="$V_CCOPT -fvisibility=hidden"
+		if test x"$can_add_to_cflags" = "xyes"
+		then
+		    V_CCOPT="$V_CCOPT -fvisibility=hidden"
+		fi
 
 else
 
@@ -3684,8 +3744,47 @@ if ac_fn_c_try_compile "$LINENO"; then :
 
 		{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
+		can_add_to_cflags=yes
+		#
+		# The compile supports this; do we have some C code for
+		# which the warning should *not* appear?
+		# We test the fourth argument because the third argument
+		# could contain quotes, breaking the test.
+		#
+		if test "x" != "x"
+		then
+		    CFLAGS="$CFLAGS $ac_lbl_cc_force_warning_errors"
+		    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether -fvisibility=hidden " >&5
+$as_echo_n "checking whether -fvisibility=hidden ... " >&6; }
+		    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+			#
+			# Not a problem.
+			#
+			{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+
+else
+
+			#
+			# A problem.
+			#
+			{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+			can_add_to_cflags=no
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+		fi
 		CFLAGS="$save_CFLAGS"
-		V_CCOPT="$V_CCOPT -fvisibility=hidden"
+		if test x"$can_add_to_cflags" = "xyes"
+		then
+		    V_CCOPT="$V_CCOPT -fvisibility=hidden"
+		fi
 
 else
 
@@ -3807,8 +3906,47 @@ if ac_fn_c_try_compile "$LINENO"; then :
 
 		{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
+		can_add_to_cflags=yes
+		#
+		# The compile supports this; do we have some C code for
+		# which the warning should *not* appear?
+		# We test the fourth argument because the third argument
+		# could contain quotes, breaking the test.
+		#
+		if test "x" != "x"
+		then
+		    CFLAGS="$CFLAGS $ac_lbl_cc_force_warning_errors"
+		    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether -xldscope=hidden " >&5
+$as_echo_n "checking whether -xldscope=hidden ... " >&6; }
+		    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+			#
+			# Not a problem.
+			#
+			{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+
+else
+
+			#
+			# A problem.
+			#
+			{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+			can_add_to_cflags=no
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+		fi
 		CFLAGS="$save_CFLAGS"
-		V_CCOPT="$V_CCOPT -xldscope=hidden"
+		if test x"$can_add_to_cflags" = "xyes"
+		then
+		    V_CCOPT="$V_CCOPT -xldscope=hidden"
+		fi
 
 else
 
@@ -3880,7 +4018,7 @@ $as_echo "#define const /**/" >>confdefs.h
 	    aix*)
 		    ;;
 
-	    freebsd*|netbsd*|openbsd*|dragonfly*|linux*|osf*)
+	    freebsd*|netbsd*|openbsd*|dragonfly*|linux*|osf*|midipix*)
 	    	    #
 		    # Platforms where the linker is the GNU linker
 		    # or accepts command-line arguments like
@@ -3897,7 +4035,7 @@ $as_echo "#define const /**/" >>confdefs.h
 		    sparc64*)
 			case "$host_os" in
 
-			freebsd*|openbsd*)
+			freebsd*|openbsd*|linux*)
 			    PIC_OPT=-fPIC
 			    ;;
 			esac
@@ -4097,7 +4235,7 @@ else
     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 << 62) - 1 + ((off_t) 1 << 62))
+#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];
@@ -4143,7 +4281,7 @@ else
     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 << 62) - 1 + ((off_t) 1 << 62))
+#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];
@@ -4167,7 +4305,7 @@ rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
     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 << 62) - 1 + ((off_t) 1 << 62))
+#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];
@@ -4212,7 +4350,7 @@ else
     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 << 62) - 1 + ((off_t) 1 << 62))
+#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];
@@ -4236,7 +4374,7 @@ rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
     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 << 62) - 1 + ((off_t) 1 << 62))
+#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];
@@ -4881,19 +5019,120 @@ $as_echo "$ac_cv_lbl_gcc_fixincludes" >&6; }
 	    fi
     fi
 
-for ac_func in strerror strerror_r strerror_s strlcpy strlcat
+for ac_func in strerror
 do :
-  as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
-ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
-if eval test \"x\$"$as_ac_var"\" = x"yes"; then :
+  ac_fn_c_check_func "$LINENO" "strerror" "ac_cv_func_strerror"
+if test "x$ac_cv_func_strerror" = xyes; then :
   cat >>confdefs.h <<_ACEOF
-#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
+#define HAVE_STRERROR 1
+_ACEOF
+
+fi
+done
+
+ac_fn_c_check_func "$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()?
+	#
+	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether strerror_r is GNU-style" >&5
+$as_echo_n "checking whether strerror_r is GNU-style... " >&6; }
+	cat confdefs.h - <<_ACEOF >conftest.$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
+		{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+
+$as_echo "#define HAVE_GNU_STRERROR_R /**/" >>confdefs.h
+
+
+else
+
+		{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+
+$as_echo "#define HAVE_POSIX_STRERROR_R /**/" >>confdefs.h
+
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+else
+
+	#
+	# We don't have strerror_r; do we have strerror_s?
+	#
+	for ac_func in strerror_s
+do :
+  ac_fn_c_check_func "$LINENO" "strerror_s" "ac_cv_func_strerror_s"
+if test "x$ac_cv_func_strerror_s" = xyes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_STRERROR_S 1
 _ACEOF
 
 fi
 done
 
 
+fi
+
+
+#
+# Thanks, IBM, for not providing vsyslog() in AIX!
+#
+for ac_func in vsyslog
+do :
+  ac_fn_c_check_func "$LINENO" "vsyslog" "ac_cv_func_vsyslog"
+if test "x$ac_cv_func_vsyslog" = xyes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_VSYSLOG 1
+_ACEOF
+
+fi
+done
+
+
+#
+# Either:
+#
+#	we have snprintf() and vsnprintf(), and have asprintf() and
+#	vasprintf();
+#
+#	we have snprintf() and vsnprintf(), but don't have asprintf()
+#	or vasprintf();
+#
+#	we have neither snprintf() nor vsnprintf(), and don't have
+#	asprintf() or vasprintf(), either.
+#
+# We assume that if we have asprintf() we have vasprintf(), as well
+# as snprintf() and vsnprintf(), and that if we have snprintf() we
+# have vsnprintf().
+#
+# For the first case, we don't need any replacement routines.
+# For the second case, we need replacement asprintf()/vasprintf()
+# routines.
+# For the third case, we need replacement snprintf()/vsnprintf() and
+# asprintf()/vasprintf() routines.
+#
 needsnprintf=no
 for ac_func in vsnprintf snprintf
 do :
@@ -4909,13 +5148,90 @@ else
 fi
 done
 
+needasprintf=no
+for ac_func in vasprintf asprintf
+do :
+  as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
+ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
+if eval test \"x\$"$as_ac_var"\" = x"yes"; then :
+  cat >>confdefs.h <<_ACEOF
+#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
+_ACEOF
+
+else
+  needasprintf=yes
+fi
+done
+
 if test $needsnprintf = yes; then
+	#
+	# We assume we have none of them; missing/snprintf.c supplies
+	# all of them.
+	#
 	case " $LIBOBJS " in
   *" snprintf.$ac_objext "* ) ;;
   *) LIBOBJS="$LIBOBJS snprintf.$ac_objext"
  ;;
 esac
 
+elif test $needasprintf = yes; then
+	#
+	# We assume we have snprintf()/vsnprintf() but lack
+	# asprintf()/vasprintf(); missing/asprintf.c supplies
+	# the latter (using vsnprintf()).
+	#
+	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 :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_STRLCAT 1
+_ACEOF
+
+else
+  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 :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_STRLCPY 1
+_ACEOF
+
+else
+  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
@@ -5845,6 +6161,10 @@ done
 		#  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;
 		#
@@ -5867,6 +6187,7 @@ else
 /* end confdefs.h.  */
 
 #include <sys/types.h>
+#include <sys/time.h>
 #include <sys/ioctl.h>
 #include <sys/socket.h>
 #ifdef HAVE_SYS_IOCCOM_H
@@ -7844,18 +8165,20 @@ fi
 $as_echo "$tcpdump_cv_capable_yacc" >&6; }
 if test $tcpdump_cv_capable_yacc = insufficient ; then
 	as_fn_error $? "$YACC is insufficient to compile libpcap.
- libpcap requires Bison, Berkeley YACC, or another YACC compatible with them." "$LINENO" 5
+ libpcap requires Bison, a newer version of Berkeley YACC with support
+ for reentrant parsers, or another YACC compatible with them." "$LINENO" 5
 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 (file formats in section 5, miscellaneous
-# info in section 7, administrative commands and daemons in section 8).
-# Individual cases can override this.
+# 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
@@ -7917,79 +8240,168 @@ fi
 	if test "$enable_universal" != "no"; then
 		case "$host_os" in
 
-		darwin0-7.*)
+		darwin[0-7].*)
 			#
 			# Pre-Tiger.  Build only for 32-bit PowerPC; no
 			# need for any special compiler or linker flags.
 			#
 			;;
 
-		darwin8.0123*)
+		darwin8.[0123]|darwin8.[0123].*)
 			#
-			# Tiger, prior to Intel support.  Build for 32-bit
-			# PowerPC and 64-bit PowerPC, with 32-bit PowerPC
-			# first.  (I'm guessing that's what Apple does.)
+			# 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.)
 			#
-			V_CCOPT="$V_CCOPT -arch ppc -arch ppc64"
-			LDFLAGS="$LDFLAGS -arch ppc -arch ppc64"
+			# (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]|darwin.[456].*)
 			#
-			# Tiger, subsequent to Intel support but prior to
-			# x86-64 support.  Build for 32-bit PowerPC, 64-bit
-			# PowerPC, and x86, with 32-bit PowerPC first.
-			# (I'm guessing that's what Apple does.)
+			# 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.)
 			#
-			V_CCOPT="$V_CCOPT -arch ppc -arch ppc64 -arch i386"
-			LDFLAGS="$LDFLAGS -arch ppc -arch ppc64 -arch i386"
+			# (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 for 32-bit PowerPC, 64-bit
-			# PowerPC, x86, and x86-64, and with 32-bit PowerPC
-			# first.  (I'm guessing that's what Apple does.)
+			# 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_CCOPT="$V_CCOPT -arch ppc -arch ppc64 -arch i386 -arch x86_64"
-			LDFLAGS="$LDFLAGS -arch ppc -arch ppc64 -arch i386 -arch x86_64"
+			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 for 32-bit PowerPC, 64-bit
-			# PowerPC, x86, and x86-64, with 32-bit PowerPC
-			# first.  (That's what Apple does.)
+			# 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_CCOPT="$V_CCOPT -arch ppc -arch ppc64 -arch i386 -arch x86_64"
-			LDFLAGS="$LDFLAGS -arch ppc -arch ppc64 -arch i386 -arch x86_64"
+			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 for x86-64, x86, and
-			# 32-bit PowerPC, 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.)
+			# 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_CCOPT="$V_CCOPT -arch x86_64 -arch i386 -arch ppc"
-			LDFLAGS="$LDFLAGS -arch x86_64 -arch i386 -arch ppc"
+			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"
 			;;
 
 		darwin*)
 			#
-			# Post-Snow Leopard.  Build for x86-64 and
-			# x86, with x86-64 first.  (That's probably what
-			# Apple does, given that Rosetta is gone.)
+			# Post-Snow Leopard.  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.
 			# XXX - update if and when Apple drops support
-			# for 32-bit x86 code.
+			# for 32-bit x86 code and if and when Apple adds
+			# ARM-based Macs.  (You're on your own for iOS
+			# etc.)
+			#
+			# XXX - 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.
 			#
-			V_CCOPT="$V_CCOPT -arch x86_64 -arch i386"
-			LDFLAGS="$LDFLAGS -arch x86_64 -arch i386"
+			{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether building for 32-bit x86 is supported" >&5
+$as_echo_n "checking whether building for 32-bit x86 is supported... " >&6; }
+			save_CFLAGS="$CFLAGS"
+			CFLAGS="$CFLAGS -arch i386"
+			cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main ()
+{
+return 0;
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+				{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+				V_LIB_CCOPT_FAT="-arch x86_64 -arch i386"
+				V_LIB_LDFLAGS_FAT="-arch x86_64 -arch i386"
+
+else
+
+				{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+				V_LIB_CCOPT_FAT="-arch x86_64"
+				V_LIB_LDFLAGS_FAT="-arch x86_64"
+				case "$host_os" in
+
+				darwin18.*)
+					#
+					# Mojave; you need to install the
+					# /usr/include headers to get
+					# 32-bit x86 builds to work.
+					#
+					{ $as_echo "$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
+$as_echo "$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.
+					#
+					{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: Compiling for 32-bit x86 gives an error; try installing the command-line tools" >&5
+$as_echo "$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.$ac_objext conftest.$ac_ext
+			CFLAGS="$save_CFLAGS"
 			;;
 		esac
 	fi
@@ -8061,7 +8473,7 @@ irix*)
 	MAN_MISC_INFO=5
 	;;
 
-linux*|freebsd*|netbsd*|openbsd*|dragonfly*|kfreebsd*|gnu*)
+linux*|freebsd*|netbsd*|openbsd*|dragonfly*|kfreebsd*|gnu*|midipix*)
 	DYEXT="so"
 
 	#
@@ -8084,6 +8496,7 @@ osf*)
 	#
 	MAN_FILE_FORMATS=4
 	MAN_MISC_INFO=5
+	MAN_DEVICES=7
 	;;
 
 sinix*)
@@ -8149,6 +8562,7 @@ $as_echo "#define HAVE_SOLARIS 1" >>confdefs.h
 		MAN_ADMIN_COMMANDS=1m
 		MAN_FILE_FORMATS=4
 		MAN_MISC_INFO=5
+		MAN_DEVICES=7D
 	esac
 	;;
 esac
@@ -8404,6 +8818,88 @@ rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 	CFLAGS="$save_CFLAGS"
 
 
+	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -W option" >&5
+$as_echo_n "checking whether the compiler supports the -W option... " >&6; }
+	save_CFLAGS="$CFLAGS"
+	if expr "x-W" : "x-W.*" >/dev/null
+	then
+	    CFLAGS="$CFLAGS $ac_lbl_unknown_warning_option_error -W"
+	elif expr "x-W" : "x-f.*" >/dev/null
+	then
+	    CFLAGS="$CFLAGS -Werror -W"
+	elif expr "x-W" : "x-m.*" >/dev/null
+	then
+	    CFLAGS="$CFLAGS -Werror -W"
+	else
+	    CFLAGS="$CFLAGS -W"
+	fi
+	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main ()
+{
+return 0
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+		{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+		can_add_to_cflags=yes
+		#
+		# The compile supports this; do we have some C code for
+		# which the warning should *not* appear?
+		# We test the fourth argument because the third argument
+		# could contain quotes, breaking the test.
+		#
+		if test "x" != "x"
+		then
+		    CFLAGS="$CFLAGS $ac_lbl_cc_force_warning_errors"
+		    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether -W " >&5
+$as_echo_n "checking whether -W ... " >&6; }
+		    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+			#
+			# Not a problem.
+			#
+			{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+
+else
+
+			#
+			# A problem.
+			#
+			{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+			can_add_to_cflags=no
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+		fi
+		CFLAGS="$save_CFLAGS"
+		if test x"$can_add_to_cflags" = "xyes"
+		then
+		    V_CCOPT="$V_CCOPT -W"
+		fi
+
+else
+
+		{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+		CFLAGS="$save_CFLAGS"
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+
 	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wall option" >&5
 $as_echo_n "checking whether the compiler supports the -Wall option... " >&6; }
 	save_CFLAGS="$CFLAGS"
@@ -8434,8 +8930,47 @@ if ac_fn_c_try_compile "$LINENO"; then :
 
 		{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
+		can_add_to_cflags=yes
+		#
+		# The compile supports this; do we have some C code for
+		# which the warning should *not* appear?
+		# We test the fourth argument because the third argument
+		# could contain quotes, breaking the test.
+		#
+		if test "x" != "x"
+		then
+		    CFLAGS="$CFLAGS $ac_lbl_cc_force_warning_errors"
+		    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether -Wall " >&5
+$as_echo_n "checking whether -Wall ... " >&6; }
+		    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+			#
+			# Not a problem.
+			#
+			{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+
+else
+
+			#
+			# A problem.
+			#
+			{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+			can_add_to_cflags=no
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+		fi
 		CFLAGS="$save_CFLAGS"
-		V_CCOPT="$V_CCOPT -Wall"
+		if test x"$can_add_to_cflags" = "xyes"
+		then
+		    V_CCOPT="$V_CCOPT -Wall"
+		fi
 
 else
 
@@ -8447,20 +8982,20 @@ fi
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 
 
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wsign-compare option" >&5
-$as_echo_n "checking whether the compiler supports the -Wsign-compare option... " >&6; }
+	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wcomma option" >&5
+$as_echo_n "checking whether the compiler supports the -Wcomma option... " >&6; }
 	save_CFLAGS="$CFLAGS"
-	if expr "x-Wsign-compare" : "x-W.*" >/dev/null
+	if expr "x-Wcomma" : "x-W.*" >/dev/null
 	then
-	    CFLAGS="$CFLAGS $ac_lbl_unknown_warning_option_error -Wsign-compare"
-	elif expr "x-Wsign-compare" : "x-f.*" >/dev/null
+	    CFLAGS="$CFLAGS $ac_lbl_unknown_warning_option_error -Wcomma"
+	elif expr "x-Wcomma" : "x-f.*" >/dev/null
 	then
-	    CFLAGS="$CFLAGS -Werror -Wsign-compare"
-	elif expr "x-Wsign-compare" : "x-m.*" >/dev/null
+	    CFLAGS="$CFLAGS -Werror -Wcomma"
+	elif expr "x-Wcomma" : "x-m.*" >/dev/null
 	then
-	    CFLAGS="$CFLAGS -Werror -Wsign-compare"
+	    CFLAGS="$CFLAGS -Werror -Wcomma"
 	else
-	    CFLAGS="$CFLAGS -Wsign-compare"
+	    CFLAGS="$CFLAGS -Wcomma"
 	fi
 	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -8477,8 +9012,47 @@ if ac_fn_c_try_compile "$LINENO"; then :
 
 		{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
+		can_add_to_cflags=yes
+		#
+		# The compile supports this; do we have some C code for
+		# which the warning should *not* appear?
+		# We test the fourth argument because the third argument
+		# could contain quotes, breaking the test.
+		#
+		if test "x" != "x"
+		then
+		    CFLAGS="$CFLAGS $ac_lbl_cc_force_warning_errors"
+		    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether -Wcomma " >&5
+$as_echo_n "checking whether -Wcomma ... " >&6; }
+		    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+			#
+			# Not a problem.
+			#
+			{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+
+else
+
+			#
+			# A problem.
+			#
+			{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+			can_add_to_cflags=no
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+		fi
 		CFLAGS="$save_CFLAGS"
-		V_CCOPT="$V_CCOPT -Wsign-compare"
+		if test x"$can_add_to_cflags" = "xyes"
+		then
+		    V_CCOPT="$V_CCOPT -Wcomma"
+		fi
 
 else
 
@@ -8490,20 +9064,20 @@ fi
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 
 
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wmissing-prototypes option" >&5
-$as_echo_n "checking whether the compiler supports the -Wmissing-prototypes option... " >&6; }
+	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wdeclaration-after-statement option" >&5
+$as_echo_n "checking whether the compiler supports the -Wdeclaration-after-statement option... " >&6; }
 	save_CFLAGS="$CFLAGS"
-	if expr "x-Wmissing-prototypes" : "x-W.*" >/dev/null
+	if expr "x-Wdeclaration-after-statement" : "x-W.*" >/dev/null
 	then
-	    CFLAGS="$CFLAGS $ac_lbl_unknown_warning_option_error -Wmissing-prototypes"
-	elif expr "x-Wmissing-prototypes" : "x-f.*" >/dev/null
+	    CFLAGS="$CFLAGS $ac_lbl_unknown_warning_option_error -Wdeclaration-after-statement"
+	elif expr "x-Wdeclaration-after-statement" : "x-f.*" >/dev/null
 	then
-	    CFLAGS="$CFLAGS -Werror -Wmissing-prototypes"
-	elif expr "x-Wmissing-prototypes" : "x-m.*" >/dev/null
+	    CFLAGS="$CFLAGS -Werror -Wdeclaration-after-statement"
+	elif expr "x-Wdeclaration-after-statement" : "x-m.*" >/dev/null
 	then
-	    CFLAGS="$CFLAGS -Werror -Wmissing-prototypes"
+	    CFLAGS="$CFLAGS -Werror -Wdeclaration-after-statement"
 	else
-	    CFLAGS="$CFLAGS -Wmissing-prototypes"
+	    CFLAGS="$CFLAGS -Wdeclaration-after-statement"
 	fi
 	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -8520,8 +9094,47 @@ if ac_fn_c_try_compile "$LINENO"; then :
 
 		{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
+		can_add_to_cflags=yes
+		#
+		# The compile supports this; do we have some C code for
+		# which the warning should *not* appear?
+		# We test the fourth argument because the third argument
+		# could contain quotes, breaking the test.
+		#
+		if test "x" != "x"
+		then
+		    CFLAGS="$CFLAGS $ac_lbl_cc_force_warning_errors"
+		    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether -Wdeclaration-after-statement " >&5
+$as_echo_n "checking whether -Wdeclaration-after-statement ... " >&6; }
+		    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+			#
+			# Not a problem.
+			#
+			{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+
+else
+
+			#
+			# A problem.
+			#
+			{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+			can_add_to_cflags=no
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+		fi
 		CFLAGS="$save_CFLAGS"
-		V_CCOPT="$V_CCOPT -Wmissing-prototypes"
+		if test x"$can_add_to_cflags" = "xyes"
+		then
+		    V_CCOPT="$V_CCOPT -Wdeclaration-after-statement"
+		fi
 
 else
 
@@ -8533,20 +9146,20 @@ fi
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 
 
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wstrict-prototypes option" >&5
-$as_echo_n "checking whether the compiler supports the -Wstrict-prototypes option... " >&6; }
+	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wdocumentation option" >&5
+$as_echo_n "checking whether the compiler supports the -Wdocumentation option... " >&6; }
 	save_CFLAGS="$CFLAGS"
-	if expr "x-Wstrict-prototypes" : "x-W.*" >/dev/null
+	if expr "x-Wdocumentation" : "x-W.*" >/dev/null
 	then
-	    CFLAGS="$CFLAGS $ac_lbl_unknown_warning_option_error -Wstrict-prototypes"
-	elif expr "x-Wstrict-prototypes" : "x-f.*" >/dev/null
+	    CFLAGS="$CFLAGS $ac_lbl_unknown_warning_option_error -Wdocumentation"
+	elif expr "x-Wdocumentation" : "x-f.*" >/dev/null
 	then
-	    CFLAGS="$CFLAGS -Werror -Wstrict-prototypes"
-	elif expr "x-Wstrict-prototypes" : "x-m.*" >/dev/null
+	    CFLAGS="$CFLAGS -Werror -Wdocumentation"
+	elif expr "x-Wdocumentation" : "x-m.*" >/dev/null
 	then
-	    CFLAGS="$CFLAGS -Werror -Wstrict-prototypes"
+	    CFLAGS="$CFLAGS -Werror -Wdocumentation"
 	else
-	    CFLAGS="$CFLAGS -Wstrict-prototypes"
+	    CFLAGS="$CFLAGS -Wdocumentation"
 	fi
 	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -8563,8 +9176,47 @@ if ac_fn_c_try_compile "$LINENO"; then :
 
 		{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
+		can_add_to_cflags=yes
+		#
+		# The compile supports this; do we have some C code for
+		# which the warning should *not* appear?
+		# We test the fourth argument because the third argument
+		# could contain quotes, breaking the test.
+		#
+		if test "x" != "x"
+		then
+		    CFLAGS="$CFLAGS $ac_lbl_cc_force_warning_errors"
+		    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether -Wdocumentation " >&5
+$as_echo_n "checking whether -Wdocumentation ... " >&6; }
+		    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+			#
+			# Not a problem.
+			#
+			{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+
+else
+
+			#
+			# A problem.
+			#
+			{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+			can_add_to_cflags=no
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+		fi
 		CFLAGS="$save_CFLAGS"
-		V_CCOPT="$V_CCOPT -Wstrict-prototypes"
+		if test x"$can_add_to_cflags" = "xyes"
+		then
+		    V_CCOPT="$V_CCOPT -Wdocumentation"
+		fi
 
 else
 
@@ -8576,20 +9228,20 @@ fi
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 
 
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wshadow option" >&5
-$as_echo_n "checking whether the compiler supports the -Wshadow option... " >&6; }
+	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wformat-nonliteral option" >&5
+$as_echo_n "checking whether the compiler supports the -Wformat-nonliteral option... " >&6; }
 	save_CFLAGS="$CFLAGS"
-	if expr "x-Wshadow" : "x-W.*" >/dev/null
+	if expr "x-Wformat-nonliteral" : "x-W.*" >/dev/null
 	then
-	    CFLAGS="$CFLAGS $ac_lbl_unknown_warning_option_error -Wshadow"
-	elif expr "x-Wshadow" : "x-f.*" >/dev/null
+	    CFLAGS="$CFLAGS $ac_lbl_unknown_warning_option_error -Wformat-nonliteral"
+	elif expr "x-Wformat-nonliteral" : "x-f.*" >/dev/null
 	then
-	    CFLAGS="$CFLAGS -Werror -Wshadow"
-	elif expr "x-Wshadow" : "x-m.*" >/dev/null
+	    CFLAGS="$CFLAGS -Werror -Wformat-nonliteral"
+	elif expr "x-Wformat-nonliteral" : "x-m.*" >/dev/null
 	then
-	    CFLAGS="$CFLAGS -Werror -Wshadow"
+	    CFLAGS="$CFLAGS -Werror -Wformat-nonliteral"
 	else
-	    CFLAGS="$CFLAGS -Wshadow"
+	    CFLAGS="$CFLAGS -Wformat-nonliteral"
 	fi
 	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -8606,8 +9258,47 @@ if ac_fn_c_try_compile "$LINENO"; then :
 
 		{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
+		can_add_to_cflags=yes
+		#
+		# The compile supports this; do we have some C code for
+		# which the warning should *not* appear?
+		# We test the fourth argument because the third argument
+		# could contain quotes, breaking the test.
+		#
+		if test "x" != "x"
+		then
+		    CFLAGS="$CFLAGS $ac_lbl_cc_force_warning_errors"
+		    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether -Wformat-nonliteral " >&5
+$as_echo_n "checking whether -Wformat-nonliteral ... " >&6; }
+		    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+			#
+			# Not a problem.
+			#
+			{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+
+else
+
+			#
+			# A problem.
+			#
+			{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+			can_add_to_cflags=no
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+		fi
 		CFLAGS="$save_CFLAGS"
-		V_CCOPT="$V_CCOPT -Wshadow"
+		if test x"$can_add_to_cflags" = "xyes"
+		then
+		    V_CCOPT="$V_CCOPT -Wformat-nonliteral"
+		fi
 
 else
 
@@ -8619,20 +9310,20 @@ fi
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 
 
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wdeclaration-after-statement option" >&5
-$as_echo_n "checking whether the compiler supports the -Wdeclaration-after-statement option... " >&6; }
+	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wmissing-noreturn option" >&5
+$as_echo_n "checking whether the compiler supports the -Wmissing-noreturn option... " >&6; }
 	save_CFLAGS="$CFLAGS"
-	if expr "x-Wdeclaration-after-statement" : "x-W.*" >/dev/null
+	if expr "x-Wmissing-noreturn" : "x-W.*" >/dev/null
 	then
-	    CFLAGS="$CFLAGS $ac_lbl_unknown_warning_option_error -Wdeclaration-after-statement"
-	elif expr "x-Wdeclaration-after-statement" : "x-f.*" >/dev/null
+	    CFLAGS="$CFLAGS $ac_lbl_unknown_warning_option_error -Wmissing-noreturn"
+	elif expr "x-Wmissing-noreturn" : "x-f.*" >/dev/null
 	then
-	    CFLAGS="$CFLAGS -Werror -Wdeclaration-after-statement"
-	elif expr "x-Wdeclaration-after-statement" : "x-m.*" >/dev/null
+	    CFLAGS="$CFLAGS -Werror -Wmissing-noreturn"
+	elif expr "x-Wmissing-noreturn" : "x-m.*" >/dev/null
 	then
-	    CFLAGS="$CFLAGS -Werror -Wdeclaration-after-statement"
+	    CFLAGS="$CFLAGS -Werror -Wmissing-noreturn"
 	else
-	    CFLAGS="$CFLAGS -Wdeclaration-after-statement"
+	    CFLAGS="$CFLAGS -Wmissing-noreturn"
 	fi
 	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -8649,8 +9340,47 @@ if ac_fn_c_try_compile "$LINENO"; then :
 
 		{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
+		can_add_to_cflags=yes
+		#
+		# The compile supports this; do we have some C code for
+		# which the warning should *not* appear?
+		# We test the fourth argument because the third argument
+		# could contain quotes, breaking the test.
+		#
+		if test "x" != "x"
+		then
+		    CFLAGS="$CFLAGS $ac_lbl_cc_force_warning_errors"
+		    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether -Wmissing-noreturn " >&5
+$as_echo_n "checking whether -Wmissing-noreturn ... " >&6; }
+		    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+			#
+			# Not a problem.
+			#
+			{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+
+else
+
+			#
+			# A problem.
+			#
+			{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+			can_add_to_cflags=no
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+		fi
 		CFLAGS="$save_CFLAGS"
-		V_CCOPT="$V_CCOPT -Wdeclaration-after-statement"
+		if test x"$can_add_to_cflags" = "xyes"
+		then
+		    V_CCOPT="$V_CCOPT -Wmissing-noreturn"
+		fi
 
 else
 
@@ -8662,20 +9392,20 @@ fi
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 
 
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wused-but-marked-unused option" >&5
-$as_echo_n "checking whether the compiler supports the -Wused-but-marked-unused option... " >&6; }
+	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wmissing-prototypes option" >&5
+$as_echo_n "checking whether the compiler supports the -Wmissing-prototypes option... " >&6; }
 	save_CFLAGS="$CFLAGS"
-	if expr "x-Wused-but-marked-unused" : "x-W.*" >/dev/null
+	if expr "x-Wmissing-prototypes" : "x-W.*" >/dev/null
 	then
-	    CFLAGS="$CFLAGS $ac_lbl_unknown_warning_option_error -Wused-but-marked-unused"
-	elif expr "x-Wused-but-marked-unused" : "x-f.*" >/dev/null
+	    CFLAGS="$CFLAGS $ac_lbl_unknown_warning_option_error -Wmissing-prototypes"
+	elif expr "x-Wmissing-prototypes" : "x-f.*" >/dev/null
 	then
-	    CFLAGS="$CFLAGS -Werror -Wused-but-marked-unused"
-	elif expr "x-Wused-but-marked-unused" : "x-m.*" >/dev/null
+	    CFLAGS="$CFLAGS -Werror -Wmissing-prototypes"
+	elif expr "x-Wmissing-prototypes" : "x-m.*" >/dev/null
 	then
-	    CFLAGS="$CFLAGS -Werror -Wused-but-marked-unused"
+	    CFLAGS="$CFLAGS -Werror -Wmissing-prototypes"
 	else
-	    CFLAGS="$CFLAGS -Wused-but-marked-unused"
+	    CFLAGS="$CFLAGS -Wmissing-prototypes"
 	fi
 	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -8692,8 +9422,47 @@ if ac_fn_c_try_compile "$LINENO"; then :
 
 		{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
+		can_add_to_cflags=yes
+		#
+		# The compile supports this; do we have some C code for
+		# which the warning should *not* appear?
+		# We test the fourth argument because the third argument
+		# could contain quotes, breaking the test.
+		#
+		if test "x" != "x"
+		then
+		    CFLAGS="$CFLAGS $ac_lbl_cc_force_warning_errors"
+		    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether -Wmissing-prototypes " >&5
+$as_echo_n "checking whether -Wmissing-prototypes ... " >&6; }
+		    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+			#
+			# Not a problem.
+			#
+			{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+
+else
+
+			#
+			# A problem.
+			#
+			{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+			can_add_to_cflags=no
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+		fi
 		CFLAGS="$save_CFLAGS"
-		V_CCOPT="$V_CCOPT -Wused-but-marked-unused"
+		if test x"$can_add_to_cflags" = "xyes"
+		then
+		    V_CCOPT="$V_CCOPT -Wmissing-prototypes"
+		fi
 
 else
 
@@ -8705,20 +9474,20 @@ fi
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 
 
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wdocumentation option" >&5
-$as_echo_n "checking whether the compiler supports the -Wdocumentation option... " >&6; }
+	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wmissing-variable-declarations option" >&5
+$as_echo_n "checking whether the compiler supports the -Wmissing-variable-declarations option... " >&6; }
 	save_CFLAGS="$CFLAGS"
-	if expr "x-Wdocumentation" : "x-W.*" >/dev/null
+	if expr "x-Wmissing-variable-declarations" : "x-W.*" >/dev/null
 	then
-	    CFLAGS="$CFLAGS $ac_lbl_unknown_warning_option_error -Wdocumentation"
-	elif expr "x-Wdocumentation" : "x-f.*" >/dev/null
+	    CFLAGS="$CFLAGS $ac_lbl_unknown_warning_option_error -Wmissing-variable-declarations"
+	elif expr "x-Wmissing-variable-declarations" : "x-f.*" >/dev/null
 	then
-	    CFLAGS="$CFLAGS -Werror -Wdocumentation"
-	elif expr "x-Wdocumentation" : "x-m.*" >/dev/null
+	    CFLAGS="$CFLAGS -Werror -Wmissing-variable-declarations"
+	elif expr "x-Wmissing-variable-declarations" : "x-m.*" >/dev/null
 	then
-	    CFLAGS="$CFLAGS -Werror -Wdocumentation"
+	    CFLAGS="$CFLAGS -Werror -Wmissing-variable-declarations"
 	else
-	    CFLAGS="$CFLAGS -Wdocumentation"
+	    CFLAGS="$CFLAGS -Wmissing-variable-declarations"
 	fi
 	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -8735,8 +9504,47 @@ if ac_fn_c_try_compile "$LINENO"; then :
 
 		{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
+		can_add_to_cflags=yes
+		#
+		# The compile supports this; do we have some C code for
+		# which the warning should *not* appear?
+		# We test the fourth argument because the third argument
+		# could contain quotes, breaking the test.
+		#
+		if test "x" != "x"
+		then
+		    CFLAGS="$CFLAGS $ac_lbl_cc_force_warning_errors"
+		    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether -Wmissing-variable-declarations " >&5
+$as_echo_n "checking whether -Wmissing-variable-declarations ... " >&6; }
+		    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+			#
+			# Not a problem.
+			#
+			{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+
+else
+
+			#
+			# A problem.
+			#
+			{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+			can_add_to_cflags=no
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+		fi
 		CFLAGS="$save_CFLAGS"
-		V_CCOPT="$V_CCOPT -Wdocumentation"
+		if test x"$can_add_to_cflags" = "xyes"
+		then
+		    V_CCOPT="$V_CCOPT -Wmissing-variable-declarations"
+		fi
 
 else
 
@@ -8748,20 +9556,20 @@ fi
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 
 
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wcomma option" >&5
-$as_echo_n "checking whether the compiler supports the -Wcomma option... " >&6; }
+	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wshadow option" >&5
+$as_echo_n "checking whether the compiler supports the -Wshadow option... " >&6; }
 	save_CFLAGS="$CFLAGS"
-	if expr "x-Wcomma" : "x-W.*" >/dev/null
+	if expr "x-Wshadow" : "x-W.*" >/dev/null
 	then
-	    CFLAGS="$CFLAGS $ac_lbl_unknown_warning_option_error -Wcomma"
-	elif expr "x-Wcomma" : "x-f.*" >/dev/null
+	    CFLAGS="$CFLAGS $ac_lbl_unknown_warning_option_error -Wshadow"
+	elif expr "x-Wshadow" : "x-f.*" >/dev/null
 	then
-	    CFLAGS="$CFLAGS -Werror -Wcomma"
-	elif expr "x-Wcomma" : "x-m.*" >/dev/null
+	    CFLAGS="$CFLAGS -Werror -Wshadow"
+	elif expr "x-Wshadow" : "x-m.*" >/dev/null
 	then
-	    CFLAGS="$CFLAGS -Werror -Wcomma"
+	    CFLAGS="$CFLAGS -Werror -Wshadow"
 	else
-	    CFLAGS="$CFLAGS -Wcomma"
+	    CFLAGS="$CFLAGS -Wshadow"
 	fi
 	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -8778,8 +9586,47 @@ if ac_fn_c_try_compile "$LINENO"; then :
 
 		{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
+		can_add_to_cflags=yes
+		#
+		# The compile supports this; do we have some C code for
+		# which the warning should *not* appear?
+		# We test the fourth argument because the third argument
+		# could contain quotes, breaking the test.
+		#
+		if test "x" != "x"
+		then
+		    CFLAGS="$CFLAGS $ac_lbl_cc_force_warning_errors"
+		    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether -Wshadow " >&5
+$as_echo_n "checking whether -Wshadow ... " >&6; }
+		    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+			#
+			# Not a problem.
+			#
+			{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+
+else
+
+			#
+			# A problem.
+			#
+			{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+			can_add_to_cflags=no
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+		fi
 		CFLAGS="$save_CFLAGS"
-		V_CCOPT="$V_CCOPT -Wcomma"
+		if test x"$can_add_to_cflags" = "xyes"
+		then
+		    V_CCOPT="$V_CCOPT -Wshadow"
+		fi
 
 else
 
@@ -8791,20 +9638,20 @@ fi
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 
 
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wmissing-noreturn option" >&5
-$as_echo_n "checking whether the compiler supports the -Wmissing-noreturn option... " >&6; }
+	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wsign-compare option" >&5
+$as_echo_n "checking whether the compiler supports the -Wsign-compare option... " >&6; }
 	save_CFLAGS="$CFLAGS"
-	if expr "x-Wmissing-noreturn" : "x-W.*" >/dev/null
+	if expr "x-Wsign-compare" : "x-W.*" >/dev/null
 	then
-	    CFLAGS="$CFLAGS $ac_lbl_unknown_warning_option_error -Wmissing-noreturn"
-	elif expr "x-Wmissing-noreturn" : "x-f.*" >/dev/null
+	    CFLAGS="$CFLAGS $ac_lbl_unknown_warning_option_error -Wsign-compare"
+	elif expr "x-Wsign-compare" : "x-f.*" >/dev/null
 	then
-	    CFLAGS="$CFLAGS -Werror -Wmissing-noreturn"
-	elif expr "x-Wmissing-noreturn" : "x-m.*" >/dev/null
+	    CFLAGS="$CFLAGS -Werror -Wsign-compare"
+	elif expr "x-Wsign-compare" : "x-m.*" >/dev/null
 	then
-	    CFLAGS="$CFLAGS -Werror -Wmissing-noreturn"
+	    CFLAGS="$CFLAGS -Werror -Wsign-compare"
 	else
-	    CFLAGS="$CFLAGS -Wmissing-noreturn"
+	    CFLAGS="$CFLAGS -Wsign-compare"
 	fi
 	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -8821,8 +9668,47 @@ if ac_fn_c_try_compile "$LINENO"; then :
 
 		{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
+		can_add_to_cflags=yes
+		#
+		# The compile supports this; do we have some C code for
+		# which the warning should *not* appear?
+		# We test the fourth argument because the third argument
+		# could contain quotes, breaking the test.
+		#
+		if test "x" != "x"
+		then
+		    CFLAGS="$CFLAGS $ac_lbl_cc_force_warning_errors"
+		    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether -Wsign-compare " >&5
+$as_echo_n "checking whether -Wsign-compare ... " >&6; }
+		    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+			#
+			# Not a problem.
+			#
+			{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+
+else
+
+			#
+			# A problem.
+			#
+			{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+			can_add_to_cflags=no
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+		fi
 		CFLAGS="$save_CFLAGS"
-		V_CCOPT="$V_CCOPT -Wmissing-noreturn"
+		if test x"$can_add_to_cflags" = "xyes"
+		then
+		    V_CCOPT="$V_CCOPT -Wsign-compare"
+		fi
 
 else
 
@@ -8833,24 +9719,21 @@ $as_echo "no" >&6; }
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 
-		    # Warns about safeguards added in case the enums are
-		    # extended
-		    # AC_LBL_CHECK_COMPILER_OPT(V_CCOPT, -Wcovered-switch-default)
 
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wmissing-variable-declarations option" >&5
-$as_echo_n "checking whether the compiler supports the -Wmissing-variable-declarations option... " >&6; }
+	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wstrict-prototypes option" >&5
+$as_echo_n "checking whether the compiler supports the -Wstrict-prototypes option... " >&6; }
 	save_CFLAGS="$CFLAGS"
-	if expr "x-Wmissing-variable-declarations" : "x-W.*" >/dev/null
+	if expr "x-Wstrict-prototypes" : "x-W.*" >/dev/null
 	then
-	    CFLAGS="$CFLAGS $ac_lbl_unknown_warning_option_error -Wmissing-variable-declarations"
-	elif expr "x-Wmissing-variable-declarations" : "x-f.*" >/dev/null
+	    CFLAGS="$CFLAGS $ac_lbl_unknown_warning_option_error -Wstrict-prototypes"
+	elif expr "x-Wstrict-prototypes" : "x-f.*" >/dev/null
 	then
-	    CFLAGS="$CFLAGS -Werror -Wmissing-variable-declarations"
-	elif expr "x-Wmissing-variable-declarations" : "x-m.*" >/dev/null
+	    CFLAGS="$CFLAGS -Werror -Wstrict-prototypes"
+	elif expr "x-Wstrict-prototypes" : "x-m.*" >/dev/null
 	then
-	    CFLAGS="$CFLAGS -Werror -Wmissing-variable-declarations"
+	    CFLAGS="$CFLAGS -Werror -Wstrict-prototypes"
 	else
-	    CFLAGS="$CFLAGS -Wmissing-variable-declarations"
+	    CFLAGS="$CFLAGS -Wstrict-prototypes"
 	fi
 	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -8867,8 +9750,47 @@ if ac_fn_c_try_compile "$LINENO"; then :
 
 		{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
+		can_add_to_cflags=yes
+		#
+		# The compile supports this; do we have some C code for
+		# which the warning should *not* appear?
+		# We test the fourth argument because the third argument
+		# could contain quotes, breaking the test.
+		#
+		if test "x" != "x"
+		then
+		    CFLAGS="$CFLAGS $ac_lbl_cc_force_warning_errors"
+		    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether -Wstrict-prototypes " >&5
+$as_echo_n "checking whether -Wstrict-prototypes ... " >&6; }
+		    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+			#
+			# Not a problem.
+			#
+			{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+
+else
+
+			#
+			# A problem.
+			#
+			{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+			can_add_to_cflags=no
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+		fi
 		CFLAGS="$save_CFLAGS"
-		V_CCOPT="$V_CCOPT -Wmissing-variable-declarations"
+		if test x"$can_add_to_cflags" = "xyes"
+		then
+		    V_CCOPT="$V_CCOPT -Wstrict-prototypes"
+		fi
 
 else
 
@@ -8910,8 +9832,47 @@ if ac_fn_c_try_compile "$LINENO"; then :
 
 		{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
+		can_add_to_cflags=yes
+		#
+		# The compile supports this; do we have some C code for
+		# which the warning should *not* appear?
+		# We test the fourth argument because the third argument
+		# could contain quotes, breaking the test.
+		#
+		if test "x" != "x"
+		then
+		    CFLAGS="$CFLAGS $ac_lbl_cc_force_warning_errors"
+		    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether -Wunused-parameter " >&5
+$as_echo_n "checking whether -Wunused-parameter ... " >&6; }
+		    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+			#
+			# Not a problem.
+			#
+			{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+
+else
+
+			#
+			# A problem.
+			#
+			{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+			can_add_to_cflags=no
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+		fi
 		CFLAGS="$save_CFLAGS"
-		V_CCOPT="$V_CCOPT -Wunused-parameter"
+		if test x"$can_add_to_cflags" = "xyes"
+		then
+		    V_CCOPT="$V_CCOPT -Wunused-parameter"
+		fi
 
 else
 
@@ -8923,20 +9884,20 @@ fi
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 
 
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wformat-nonliteral option" >&5
-$as_echo_n "checking whether the compiler supports the -Wformat-nonliteral option... " >&6; }
+	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wused-but-marked-unused option" >&5
+$as_echo_n "checking whether the compiler supports the -Wused-but-marked-unused option... " >&6; }
 	save_CFLAGS="$CFLAGS"
-	if expr "x-Wformat-nonliteral" : "x-W.*" >/dev/null
+	if expr "x-Wused-but-marked-unused" : "x-W.*" >/dev/null
 	then
-	    CFLAGS="$CFLAGS $ac_lbl_unknown_warning_option_error -Wformat-nonliteral"
-	elif expr "x-Wformat-nonliteral" : "x-f.*" >/dev/null
+	    CFLAGS="$CFLAGS $ac_lbl_unknown_warning_option_error -Wused-but-marked-unused"
+	elif expr "x-Wused-but-marked-unused" : "x-f.*" >/dev/null
 	then
-	    CFLAGS="$CFLAGS -Werror -Wformat-nonliteral"
-	elif expr "x-Wformat-nonliteral" : "x-m.*" >/dev/null
+	    CFLAGS="$CFLAGS -Werror -Wused-but-marked-unused"
+	elif expr "x-Wused-but-marked-unused" : "x-m.*" >/dev/null
 	then
-	    CFLAGS="$CFLAGS -Werror -Wformat-nonliteral"
+	    CFLAGS="$CFLAGS -Werror -Wused-but-marked-unused"
 	else
-	    CFLAGS="$CFLAGS -Wformat-nonliteral"
+	    CFLAGS="$CFLAGS -Wused-but-marked-unused"
 	fi
 	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -8953,8 +9914,47 @@ if ac_fn_c_try_compile "$LINENO"; then :
 
 		{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
+		can_add_to_cflags=yes
+		#
+		# The compile supports this; do we have some C code for
+		# which the warning should *not* appear?
+		# We test the fourth argument because the third argument
+		# could contain quotes, breaking the test.
+		#
+		if test "x" != "x"
+		then
+		    CFLAGS="$CFLAGS $ac_lbl_cc_force_warning_errors"
+		    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether -Wused-but-marked-unused " >&5
+$as_echo_n "checking whether -Wused-but-marked-unused ... " >&6; }
+		    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+			#
+			# Not a problem.
+			#
+			{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+
+else
+
+			#
+			# A problem.
+			#
+			{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+			can_add_to_cflags=no
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+		fi
 		CFLAGS="$save_CFLAGS"
-		V_CCOPT="$V_CCOPT -Wformat-nonliteral"
+		if test x"$can_add_to_cflags" = "xyes"
+		then
+		    V_CCOPT="$V_CCOPT -Wused-but-marked-unused"
+		fi
 
 else
 
@@ -8965,6 +9965,33 @@ $as_echo "no" >&6; }
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 
+		    # Warns about safeguards added in case the enums are
+		    # extended
+		    # AC_LBL_CHECK_COMPILER_OPT(V_CCOPT, -Wcovered-switch-default)
+		    #
+		    # 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 expressin 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.)
+		    #
 
 	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wunreachable-code option" >&5
 $as_echo_n "checking whether the compiler supports the -Wunreachable-code option... " >&6; }
@@ -8996,8 +10023,54 @@ if ac_fn_c_try_compile "$LINENO"; then :
 
 		{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
+		can_add_to_cflags=yes
+		#
+		# The compile supports this; do we have some C code for
+		# which the warning should *not* appear?
+		# We test the fourth argument because the third argument
+		# could contain quotes, breaking the test.
+		#
+		if test "xgenerates warnings from ntohs()" != "x"
+		then
+		    CFLAGS="$CFLAGS $ac_lbl_cc_force_warning_errors"
+		    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether -Wunreachable-code generates warnings from ntohs()" >&5
+$as_echo_n "checking whether -Wunreachable-code generates warnings from ntohs()... " >&6; }
+		    cat confdefs.h - <<_ACEOF >conftest.$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.
+			#
+			{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+
+else
+
+			#
+			# A problem.
+			#
+			{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+			can_add_to_cflags=no
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+		fi
 		CFLAGS="$save_CFLAGS"
-		V_CCOPT="$V_CCOPT -Wunreachable-code"
+		if test x"$can_add_to_cflags" = "xyes"
+		then
+		    V_CCOPT="$V_CCOPT -Wunreachable-code"
+		fi
 
 else
 
@@ -9315,6 +10388,11 @@ $as_echo "#define LBL_ALIGN 1" >>confdefs.h
 
 
 
+
+
+
+
+
 # Check whether --enable-usb was given.
 if test "${enable_usb+set}" = set; then :
   enableval=$enable_usb;
@@ -9843,17 +10921,17 @@ fi
 if test "${enable_rdma+set}" = set; then :
   enableval=$enable_rdma;
 else
-  enable_rdmasniff=ifavailable
+  enable_rdma=ifavailable
 fi
 
 
 if test "xxx_only" = yes; then
 	# User requested something-else-only pcap, so they don't
 	# want RDMA support.
-	enable_rdmasniff=no
+	enable_rdma=no
 fi
 
-if test "x$enable_rdmasniff" != "xno"; then
+if test "x$enable_rdma" != "xno"; then
 	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ibv_get_device_list in -libverbs" >&5
 $as_echo_n "checking for ibv_get_device_list in -libverbs... " >&6; }
 if ${ac_cv_lib_ibverbs_ibv_get_device_list+:} false; then :
@@ -10053,7 +11131,7 @@ ac_config_headers="$ac_config_headers config.h"
 
 ac_config_commands="$ac_config_commands default-1"
 
-ac_config_files="$ac_config_files Makefile pcap-filter.manmisc pcap-linktype.manmisc pcap-tstamp.manmisc pcap-savefile.manfile pcap.3pcap pcap_compile.3pcap pcap_datalink.3pcap pcap_dump_open.3pcap pcap_get_tstamp_precision.3pcap pcap_list_datalinks.3pcap pcap_list_tstamp_types.3pcap pcap_open_dead.3pcap pcap_open_offline.3pcap pcap_set_tstamp_precision.3pcap pcap_set_tstamp_type.3pcap rpcapd/Makefile rpcapd/rpcapd.manadmin testprogs/Makefile"
+ac_config_files="$ac_config_files Makefile 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
@@ -10561,7 +11639,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 # 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 1.9.0-PRE-GIT, which was
+This file was extended by pcap $as_me 1.9.1, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -10627,7 +11705,7 @@ _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
 ac_cs_version="\\
-pcap config.status 1.9.0-PRE-GIT
+pcap config.status 1.9.1
 configured by $0, generated by GNU Autoconf 2.69,
   with options \\"\$ac_cs_config\\"
 
@@ -10770,10 +11848,12 @@ do
     "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;;