# Copyright (C) 1993-2022 Free Software Foundation, Inc. # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation, either version 3 of the License, or # (at your option) any later version. # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # You should have received a copy of the GNU General Public License # along with this program. If not, see . dnl Process this file with -*- autoconf -*- to produce a configure script. AC_INIT([GNU sed], m4_esyscmd([build-aux/git-version-gen .tarball-version]), [bug-sed@gnu.org]) AC_CONFIG_AUX_DIR(build-aux) AC_CONFIG_SRCDIR([sed/sed.c]) AC_CONFIG_HEADERS([config.h:config_h.in]) AC_PREREQ([2.64]) AM_INIT_AUTOMAKE([1.11.1 dist-xz color-tests parallel-tests subdir-objects]) AM_SILENT_RULES([yes]) # make --enable-silent-rules the default. AC_CONFIG_MACRO_DIR([m4]) AC_PROG_CC AM_PROG_CC_C_O gl_EARLY gl_INIT gl_DISABLE_THREADS # Ensure VLAs are not used. # Note -Wvla is implicitly added by gl_MANYWARN_ALL_GCC AC_DEFINE([GNULIB_NO_VLA], [1], [Define to 1 to disable use of VLAs]) # The test suite needs to know if we have a working perl. AM_CONDITIONAL([HAVE_PERL], [test "$gl_cv_prog_perl" != no]) # gl_GCC_VERSION_IFELSE([major], [minor], [run-if-found], [run-if-not-found]) # ------------------------------------------------ # If $CPP is gcc-MAJOR.MINOR or newer, then run RUN-IF-FOUND. # Otherwise, run RUN-IF-NOT-FOUND. AC_DEFUN([gl_GCC_VERSION_IFELSE], [AC_PREPROC_IFELSE( [AC_LANG_PROGRAM( [[ #if ($1) < __GNUC__ || (($1) == __GNUC__ && ($2) <= __GNUC_MINOR__) /* ok */ #else # error "your version of gcc is older than $1.$2" #endif ]]), ], [$3], [$4]) ] ) AC_CACHE_CHECK([whether "rt" can be used with fopen], [sed_cv_fopen_rt], [ AC_RUN_IFELSE( [AC_LANG_SOURCE([[ #include #include int main() { FILE *fp; int result; errno = 0; fp = fopen ("conftest.c", "rt"); if (fp) fclose (fp); return fp ? 0 : 1; }]])], [sed_cv_fopen_rt=yes], [sed_cv_fopen_rt=no], [case $host in *cygwin* | *mingw*) sed_cv_fopen_rt=yes ;; *) sed_cv_fopen_rt='assuming no' ;; esac])]) if test "$sed_cv_fopen_rt" = yes; then AC_DEFINE([HAVE_FOPEN_RT], [1], [Defined if "rt" can be used as a mode to fopen.]) fi AC_CACHE_CHECK([whether -lcP is needed], [sed_cv_libcp_needed], [ AC_RUN_IFELSE( [AC_LANG_SOURCE([[ #include #include int main() { FILE *fp; int result; errno = 0; fp = fopen ("conftest.c", "r"); if (!fp) return 0; /* error, assume not needed */ result = fflush (fp) == EOF && errno == 0; fclose (fp); return result; }]])], [sed_cv_libcp_needed=no], [sed_cv_libcp_needed=yes], [sed_cv_libcp_needed="assuming no"]) ]) if test "$sed_cv_libcp_needed" = yes; then LIBS="-lcP $LIBS" fi AC_CHECK_HEADERS_ONCE(locale.h errno.h wchar.h wctype.h mcheck.h, [], [], [AC_INCLUDES_DEFAULT]) AC_C_CONST AC_TYPE_SIZE_T AM_GNU_GETTEXT_VERSION([0.19.2]) AM_GNU_GETTEXT([external]) AC_CHECK_FUNCS_ONCE(isatty isascii memcpy strchr strtoul readlink popen pathconf fchown fchmod setlocale) AM_CONDITIONAL([TEST_SYMLINKS], [test "$ac_cv_func_readlink" = yes]) AC_ARG_ENABLE(i18n, [ --disable-i18n disable internationalization (default=enabled)], , enable_i18n=yes) if test "x$enable_i18n" = xno; then ac_cv_func_wcscoll=no fi # Determine whether we should run UTF-8 tests by checking if cyrillic # letters are case-folded properly. The test for UTF-8 locales (both # in general and specifically for a Russian one) is a bit weak, but it # should match exactly what is done in the testsuite. In fact, sed's # logic is portable (though testing it requires care) so it is enough to # have a couple of platforms where these tests pass. Right now, only # Windows and HP/UX do not support the tests. AC_MSG_CHECKING([whether UTF-8 case folding tests should pass]) AC_RUN_IFELSE( [AC_LANG_SOURCE([[ #include #include #include #include #ifdef HAVE_WCTYPE_H #include #endif int test(void) { char in[] = "\xD0\xB4"; char good[] = "\xD0\x94"; char out[10]; wchar_t in_wc, good_wc; if (mbtowc (&in_wc, in, 3) == -1) return 0; if (mbtowc (&good_wc, good, 3) == -1) return 0; if (towupper (in_wc) != good_wc) return 0; if (wctomb (out, good_wc) != 2) return 0; if (memcmp (out, good, 2)) return 0; return 1; } int main() { char *old; int len; /* Try hardcoding a Russian UTF-8 locale. 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