diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 571 |
1 files changed, 0 insertions, 571 deletions
diff --git a/configure.ac b/configure.ac deleted file mode 100644 index 20d486d5c099..000000000000 --- a/configure.ac +++ /dev/null @@ -1,571 +0,0 @@ -dnl Process this file with autoconf to produce a configure script. -AC_INIT(TRE, 0.8.0, [tre-general@lists.laurikari.net]) -AC_CONFIG_SRCDIR([lib/regcomp.c]) -AC_CONFIG_AUX_DIR(utils) -AC_CANONICAL_TARGET -AM_INIT_AUTOMAKE(1.9.0) -AC_PREREQ(2.59) -AM_GNU_GETTEXT_VERSION(0.17) - -dnl Checks for programs. -AC_PROG_CC -AC_PROG_CPP -AC_PROG_INSTALL -AM_PROG_CC_C_O - -tre_version_1=`echo $PACKAGE_VERSION | cut -d . -f 1` -tre_version_2=`echo $PACKAGE_VERSION | cut -d . -f 2` -tre_version_3=`echo $PACKAGE_VERSION | cut -d . -f 3` -tre_version=$tre_version_1.$tre_version_2.$tre_version_3 -AC_DEFINE_UNQUOTED(TRE_VERSION, "$tre_version", [ TRE version string. ]) -AC_DEFINE_UNQUOTED(TRE_VERSION_1, $tre_version_1, [ TRE version level 1. ]) -AC_DEFINE_UNQUOTED(TRE_VERSION_2, $tre_version_2, [ TRE version level 2. ]) -AC_DEFINE_UNQUOTED(TRE_VERSION_3, $tre_version_3, [ TRE version level 3. ]) -AC_SUBST(TRE_VERSION, $tre_version) - -dnl Options -AC_ARG_ENABLE(profile, - AC_HELP_STRING([--enable-profile], - [enable profiling with gprof @<:@default=disabled@:>@]), - [ tre_profile="$enableval" ], - [ tre_profile="no" ]) - -AC_ARG_ENABLE(debug, - AC_HELP_STRING( - [--enable-debug], - [enable development-time debugging @<:@default=disabled@:>@]), - [ tre_debug="$enableval" ], - [ tre_debug="no" ]) -if test "$tre_debug" = "yes"; then - AM_CONDITIONAL(TRE_DEBUG, true) - AC_DEFINE(TRE_DEBUG, 1, - [ Define if you want TRE to print debug messages to stdout. ]) -else - AM_CONDITIONAL(TRE_DEBUG, false) - AC_DEFINE(NDEBUG, 1, [ Define if you want to disable debug assertions. ]) -fi - -if test "$tre_profile" = "yes"; then - CFLAGS="$CFLAGS -pg" - AM_CONDITIONAL(TRE_PROFILE, true) -else - AM_CONDITIONAL(TRE_PROFILE, false) -fi - -AC_ARG_ENABLE(warnings, - AC_HELP_STRING( - [--disable-warnings], - [disable C compiler warning messages @<:@default=enabled@:>@]), - [ tre_cc_warnings="$enableval" ], - [ tre_cc_warnings="yes" ]) -if test "$tre_cc_warnings" = "yes"; then - VL_PROG_CC_WARNINGS() -fi - -AC_ARG_ENABLE(approx, - AC_HELP_STRING( - [--disable-approx], - [disable the approximate matching functionality @<:@default=enabled@:>@]), - [ tre_approx="$enableval" ], - [ tre_approx="yes" ]) -if test "$tre_approx" = "yes"; then - AC_DEFINE(TRE_APPROX, 1, - [ Define if you want to enable approximate matching functionality. ]) - AM_CONDITIONAL(TRE_APPROX, true) -else - AM_CONDITIONAL(TRE_APPROX, false) -fi - -if test "$tre_approx" = "yes"; then - AC_ARG_ENABLE(agrep, - AC_HELP_STRING([--disable-agrep], - [Do not build and install the agrep tool @<:@default=install@:>@]), - [ tre_agrep="$enableval" ], - [ tre_agrep="yes" ]) -else - tre_agrep="no (requires approximate matching)" -fi - -if test "$tre_agrep" = "yes"; then - AM_CONDITIONAL(TRE_AGREP, true) -else - AM_CONDITIONAL(TRE_AGREP, false) -fi - - -dnl Checks for compiler characteristics. -AC_C_CONST -AC_C_INLINE - -dnl Checks for headers, functions, types, and macros -AC_DEFINE(_GNU_SOURCE, 1, [ Define to enable GNU extensions in glibc ]) -AC_HEADER_STDC - -AC_ARG_WITH(alloca, - AC_HELP_STRING( - [--without-alloca], - [don't use alloca @<:@default=use@:>@]), - [ tre_use_alloca="$withval" ], - [ tre_use_alloca="yes" ]) -if test "$tre_use_alloca" = "yes"; then - ALLOCA="" - AC_FUNC_ALLOCA - if test -z "$ALLOCA"; then - # alloca() works. - AC_DEFINE(TRE_USE_ALLOCA, 1, - [ Define if you want TRE to use alloca() instead of malloc() when - allocating memory needed for regexec operations. ]) - fi -fi - -AC_ARG_ENABLE(system-abi, - AC_HELP_STRING( - [--enable-system-abi], - [try to make TRE compatible with the system \ -regex ABI @<:@default=disabled@:>@]), - [ tre_system_abi="$enableval" ], - [ tre_system_abi="no" ]) - -# If we are building a version compatible with the system ABI, we need to -# find an absolute path to the system regex.h (so it can be included from -# TRE regex.h using `#include "/path/to/regex.h"'). Then we need to -# find a field in the system defined regex_t struct where a pointer to -# the compiled regex object can be stored. - -if test "$tre_system_abi" = "yes"; then - # Check that there is a system regex.h to begin with. We may need - # to include sys/types.h before regex.h, so check for that first. - AC_CHECK_HEADERS([sys/types.h]) - AC_CHECK_HEADERS([regex.h], [], - [ tre_system_abi="no (regex.h not found)" ], - [#if HAVE_SYS_TYPES_H -#include <sys/types.h> -#endif -]) -fi - -if test "$tre_system_abi" = "yes"; then - # Find out where system regex.h is. This is done by running the C - # preprocessor and grepping its output, hopefully getting a full - # path to regex.h. - AC_MSG_CHECKING([path to system regex.h]) - echo '#include <regex.h>' > conftest.c - tre_system_regex_h=`$CPP conftest.c \ - | grep '^#[a-z]* [0-9]* "\(.*regex.h\)"' \ - | head -1 \ - | sed 's/^#[a-z]* [0-9]* \"\(.*\)\".*/\1/'` - rm -f conftest.c - if test -n "$tre_system_regex_h" && test -f "$tre_system_regex_h"; then - AC_MSG_RESULT($tre_system_regex_h) - else - AC_MSG_RESULT(unknown) - tre_system_abi="no (could determine path to systeg regex.h)" - fi -fi - -if test "$tre_system_abi" = "yes"; then - # Find a field in the system regex_t struct where we can store a pointer. - # This is done by trying several names that are known to work on different - # systems. - AC_MSG_CHECKING([for a usable field for a pointer in regex_t]) - tre_regex_t_field="" - for field in buffer re_comp __re_comp __reg_expression \ - re_g "re_pad@<:@0@:>@"; do - if test -z "$tre_regex_t_field"; then - AC_COMPILE_IFELSE( - [ AC_LANG_PROGRAM([ -#include <sys/types.h> -#include <regex.h> - ], - [ - regex_t foo; - void *bar = foo.$field; - foo.$field = bar; - ])], - [ AC_MSG_RESULT($field) - tre_regex_t_field="$field" ]) - fi - done - if test -z "$tre_regex_t_field"; then - AC_MSG_RESULT(no) - tre_system_abi="no (unknown regex_t contents, report to \ -$PACKAGE_BUGREPORT)" - fi -fi - -if test "$tre_system_abi" = "yes"; then - # So far, so good. Now check if we can redefine the system regex - # functions. For example, the system headers may define the - # standard functions as static wrapper functions (like on IRIX) - # which prevents redefining them later. - - # IRIX has some macro magic which we need to turn off. - AC_DEFINE(_REGCOMP_INTERNAL, 1, [ Define on IRIX ]) - AC_MSG_CHECKING([if POSIX regex functions can be redefined]) - AC_COMPILE_IFELSE( - [ AC_LANG_PROGRAM([ -#include <sys/types.h> -#include <regex.h> - -int -regcomp(regex_t *preg, const char *regex, int cflags) -{ - return 0; -} -void -regfree(regex_t *preg) -{ - return; -} -int -regexec(const regex_t *preg, const char *str, - size_t nmatch, regmatch_t pmatch@<:@@:>@, int eflags) -{ - return 0; -} -size_t -regerror(int errcode, const regex_t *preg, char *errbuf, - size_t errbuf_size) -{ - return 0; -} - ])], - [ AC_MSG_RESULT(yes) - tre_system_abi="yes" ], - [ AC_MSG_RESULT(no) - tre_system_abi="no (unable to redefine system functions)" ]) -fi - -if test "$tre_system_abi" = "yes"; then - # Great, everything seems to be OK for ABI compatibility. Just check - # some additional types that may or may not be defined, and set up - # variables to enable ABI compatibility in regex.h. - - AC_CHECK_TYPES([reg_errcode_t],,,[ -#ifdef HAVE_SYS_TYPES_H -#include <sys/types.h> -#endif /* HAVE_SYS_TYPES_H */ -#ifdef HAVE_REGEX_H -#include <regex.h> -#endif /* HAVE_REGEX_H */ - ]) - - AC_DEFINE(TRE_USE_SYSTEM_REGEX_H, 1, - [ Define to include the system regex.h from TRE regex.h ]) - AC_DEFINE_UNQUOTED(TRE_SYSTEM_REGEX_H_PATH, "$tre_system_regex_h", - [ Define to the absolute path to the system regex.h ]) - AC_DEFINE_UNQUOTED(TRE_REGEX_T_FIELD, $tre_regex_t_field, - [ Define to a field in the regex_t struct where TRE should store a - pointer to the internal tre_tnfa_t structure ]) -else - AC_DEFINE(TRE_REGEX_T_FIELD, value) -fi - -AC_CHECK_FUNCS([isascii isblank]) - -AC_CHECK_HEADERS([getopt.h]) -AC_CHECK_FUNCS([getopt_long],, - [ # FreeBSD has a "gnugetopt" library. - AC_CHECK_LIB([gnugetopt], [getopt_long], - [ AC_DEFINE([HAVE_GETOPT_LONG]) ]) ]) - -dnl Check whether wide character support should be enabled. -AC_ARG_ENABLE(wchar, - AC_HELP_STRING( - [--disable-wchar], - [disable the wide character (wchar_t) support @<:@default=detect@:>@]), - [ tre_enable_wchar="$enableval" ], - [ tre_enable_wchar="detect" ]) - -dnl Check whether libutf8 location has been given. -AC_ARG_WITH(libutf8, - AC_HELP_STRING( - [--with-libutf8@<:@=DIR@:>@], - [search for libutf8 from DIR/include and DIR/lib]) -AC_HELP_STRING( - [--without-libutf8], - [do not use libutf8 @<:@default=use if needed@:>@]), - [ if test "$with_val" = "no"; then - tre_libutf8="no" - else - tre_libutf8="yes" - tre_libutf8_dirs="$with_libutf8" - tre_libutf8_libs="-lutf8" - fi ], - [ tre_libutf8="detect" - tre_libutf8_dirs="none /usr /usr/local" - tre_libutf8_libs="none -lutf8" ]) - - -if test "$tre_enable_wchar" != "no"; then - - dnl Wide character support is requested. Check if we need libutf8. - old_libs="$LIBS" - old_ldflags="$LDFLAGS" - old_cppflags="$CPPFLAGS" - if test "$tre_libutf8" != "no"; then - AC_MSG_CHECKING([for libutf8]) - found="no" - dnl Go through directories in $tre_libutf8_dirs for CPPFLAGS and LDFLAGS. - for try_dir in $tre_libutf8_dirs; do - if test "$try_dir" = "none"; then - LDFLAGS="$old_ldflags" - CPPFLAGS="$old_cppflags" - else - LDFLAGS="$old_ldflags -L$try_dir/lib" - CPPFLAGS="$old_cppflags -I$try_dir/include" - fi - dnl Go through libs in $tre_libutf8_libs. - for try_lib in $tre_libutf8_libs; do - if test "$try_lib" = "none"; then - LIBS="$old_libs" - else - LIBS="$try_lib $old_libs" - fi - dnl Check if mbrtowc or utf8_mbrtowc is available with the current - dnl CPPFLAGS, LDFLAGS, and LIBS. - AC_LINK_IFELSE([AC_LANG_CALL([],[mbrtowc])],[found="yes"]) - if test "$found" = "yes"; then - break; - fi - AC_LINK_IFELSE([AC_LANG_CALL([],[utf8_mbrtowc])],[found="yes"]) - if test "$found" = "yes"; then - break; - fi - done - if test "$found" = "yes"; then - break; - fi - done - - dnl Report results. - if test "$found" = "yes"; then - if test "$LIBS" = "$old_libs"; then - AC_MSG_RESULT([not needed]) - tre_libutf8="no" - else - AC_MSG_RESULT([using from $try_dir/{lib,include}]) - tre_libutf8="yes" - fi - else - LIBS="$old_libs" - LDFLAGS="$old_ldflags" - CPPFLAGS="$old_cppflags" - if test "$tre_libutf8" = "detect"; then - AC_MSG_RESULT([no]) - tre_libutf8="no" - else - # Fail if libutf8 was requested but was not found. - AC_MSG_ERROR([not found]) - fi - fi - fi - - if test "$tre_libutf8" = "yes"; then - dnl We do need libutf8, use the libutf8 headers. - tre_wchar="yes" - AC_CHECK_HEADERS([libutf8.h]) - else - dnl Use the POSIX headers. - AC_CHECK_HEADERS([wchar.h wctype.h]) - fi - -else - tre_wchar_reason="disabled with --disable-wchar" - tre_wchar="no ($tre_wchar_reason)" -fi - - -tre_includes=" -#ifdef HAVE_WCHAR_H -#include <wchar.h> -#endif /* HAVE_WCHAR_H */ -#ifdef HAVE_WCTYPE_H -#include <wctype.h> -#endif /* HAVE_WCTYPE_H */ -#ifdef HAVE_LIBUTF8_H -#include <libutf8.h> -#endif /* HAVE_LIBUTF8_H */ -" - -if test "$tre_enable_wchar" != "no"; then - dnl We need wchar_t and WCHAR_MAX - AC_CHECK_TYPES([wchar_t], - [ tre_wchar="yes" - AX_DECL_WCHAR_MAX ], - [ tre_wchar_reason="wchar_t type not found" - tre_wchar="no ($tre_wchar_reason)" ], - [ $tre_includes ]) - - if test "$tre_wchar" = "yes"; then - dnl We need wint_t - AC_CHECK_TYPES([wint_t],, - [ tre_wchar_reason="wint_t type not found" - tre_wchar="no ($tre_wchar_reason)" ], - [ $tre_includes ]) - fi - - if test "$tre_wchar" = "yes"; then - dnl We may need mbstate_t - AC_CHECK_TYPES([mbstate_t],,,[ $tre_includes ]) - fi - - if test "$tre_wchar" = "yes"; then - dnl We need either wcsrtombs (preferred) or wcstombs - found="no" - AX_CHECK_FUNCS_COMP([wcsrtombs wcstombs],[found="yes"; break],, - [$tre_includes]) - if test "$found" = "no"; then - tre_wchar_reason="no wcsrtombs or wcstombs found" - tre_wchar="no ($tre_wchar_reason)" - fi - fi - - if test "$tre_wchar" = "yes"; then - dnl We need all these - AX_CHECK_FUNCS_COMP([iswlower iswupper towlower towupper wcschr \ - wcscpy wcslen wcsncpy], - [ tre_wchar="yes" ], - [ tre_wchar_reason="$ac_func not found" - tre_wchar="no ($tre_wchar_reason)" - break ], - [ $tre_includes ]) - fi -fi - -case $host in - *-mingw*) - dnl wcsrtombs and wcstombs don't seem to work at all on MinGW. - if test "$tre_libutf8" != "yes"; then - tre_wchar_reason="Not supported on MinGW" - tre_wchar="no ($tre_wchar_reason)" - fi - ;; -esac - -# Fail if wide character support was specifically requested but is -# not supported on this system. -if test "$tre_enable_wchar" = "yes"; then - if test "$tre_wchar" != "yes"; then - AC_MSG_ERROR([Cannot enable wide character support: $tre_wchar_reason]) - fi -fi - -if test "$tre_wchar" = "yes"; then - AC_DEFINE(TRE_WCHAR, 1, - [ Define to enable wide character (wchar_t) support. ]) - - dnl We make use of these if they exist. - AX_CHECK_FUNCS_COMP([wctype iswctype],,,[$tre_includes]) - AX_CHECK_FUNCS_COMP([iswascii iswblank],,,[$tre_includes]) -fi - -dnl Check for multibyte character set support -AC_ARG_ENABLE(multibyte, - AC_HELP_STRING( - [--disable-multibyte], - [disable multibyte character set support @<:@default=detect@:>@]), - [ tre_enable_multibyte="$enableval" ], - [ tre_enable_multibyte="detect" ]) - -dnl Wide character support is required for multibyte character set support -if test "$tre_wchar" != "yes"; then - if test "$tre_enable_multibyte" = "yes"; then - AC_MSG_ERROR([Cannot enable multibyte character support because wide \ -character support is not enabled ($tre_wchar_reason)]) - fi -fi - -if test "$tre_enable_multibyte" != "no"; then - if test "$tre_wchar" != "yes"; then - tre_multibyte="no (requires wide character support)" - else - found="no" - dnl We need either mbrtowc (preferred) or mbtowc - AX_CHECK_FUNCS_COMP([mbrtowc mbtowc],[found="yes"; break],,[$tre_includes]) - if test "$found" = "no"; then - tre_mbs_reason="no mbrtowc or mbtowc found" - tre_multibyte="no ($tre_mbs_reason)" - else - tre_multibyte="yes" - fi - fi -else - tre_multibyte="no (disabled with --disable-multibyte)" -fi - -# Fail if multibyte character set support was specifically requested but -# is not supported on this system. -if test "$tre_enable_multibyte" = "yes"; then - if test "$tre_multibyte" != "yes"; then - AC_MSG_ERROR([Cannot enable multibyte character set support: \ -$tre_mbs_reason]) - fi -fi - -if test "$tre_multibyte" = "yes"; then - AM_CONDITIONAL(TRE_MULTIBYTE, true) - AC_DEFINE(TRE_MULTIBYTE, 1, - [ Define to enable multibyte character set support. ]) -else - AM_CONDITIONAL(TRE_MULTIBYTE, false) -fi - -AC_SYS_LARGEFILE - -AM_GNU_GETTEXT([external]) -AC_LIBTOOL_TAGS([]) -AC_LIBTOOL_WIN32_DLL -AM_DISABLE_STATIC -AC_PROG_LIBTOOL - -dnl Output files -AC_CONFIG_HEADERS([config.h lib/tre-config.h]) -AC_CONFIG_FILES([ -Makefile -doc/Makefile -doc/agrep.1 -lib/Makefile -m4/Makefile -po/Makefile.in -src/Makefile -tests/Makefile -tests/agrep/Makefile -tre.pc -tre.spec -utils/Makefile -]) -AC_OUTPUT - - -dnl Print configuration summary - -cat <<EOF - - -Configuration summary -===================== - -TRE is now configured as follows: - -* Compilation environment - - CC = $CC - CFLAGS = $CFLAGS - CPP = $CPP - CPPFLAGS = $CPPFLAGS - LD = $LD - LDFLAGS = $LDFLAGS - LIBS = $LIBS - Use alloca(): $tre_use_alloca - -* TRE options - - Development-time debugging: $tre_debug - System regex ABI compatibility: $tre_system_abi - Wide character (wchar_t) support: $tre_wchar - Multibyte character set support: $tre_multibyte - Approximate matching support: $tre_approx - Build and install agrep: $tre_agrep - -EOF |