mirror of
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aeb22f4861
This is a followup to edfca3b7e5, which
added the 'posix_spawnp' module but not 'posix_spawn'.
* m4/gnulib-cache.m4: Add 'posix_spawn' module.
* gnulib-local/m4/clock_time.m4.diff: Adjust.
* configure.ac: Move 'gl_EARLY' use right after 'AC_PROG_CC'.
130 lines
3.8 KiB
Text
130 lines
3.8 KiB
Text
# duplocale.m4 serial 14
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dnl Copyright (C) 2009-2023 Free Software Foundation, Inc.
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dnl This file is free software; the Free Software Foundation
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dnl gives unlimited permission to copy and/or distribute it,
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dnl with or without modifications, as long as this notice is preserved.
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AC_DEFUN([gl_FUNC_DUPLOCALE],
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[
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AC_REQUIRE([gl_LOCALE_H_DEFAULTS])
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AC_REQUIRE([AC_CANONICAL_HOST])
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AC_REQUIRE([gl_FUNC_SETLOCALE_NULL])
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AC_CHECK_FUNCS_ONCE([duplocale])
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if test $ac_cv_func_duplocale = yes; then
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dnl Check against glibc bug where duplocale crashes.
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dnl See <https://sourceware.org/bugzilla/show_bug.cgi?id=10969>.
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dnl Also, on AIX 7.1, duplocale(LC_GLOBAL_LOCALE) returns (locale_t)0 with
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dnl errno set to EINVAL.
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dnl Also, on NetBSD 7.0, duplocale(LC_GLOBAL_LOCALE) returns a locale that
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dnl corresponds to the C locale.
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AC_REQUIRE([gl_LOCALE_H])
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if test $HAVE_LOCALE_T = 1; then
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AC_CHECK_FUNCS_ONCE([snprintf_l nl_langinfo_l])
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AC_CACHE_CHECK([whether duplocale(LC_GLOBAL_LOCALE) works],
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[gl_cv_func_duplocale_works],
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[AC_RUN_IFELSE(
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[AC_LANG_SOURCE([[
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#include <locale.h>
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#if HAVE_XLOCALE_H
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# include <xlocale.h>
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#endif
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#if HAVE_SNPRINTF_L
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# include <stdio.h>
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#endif
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#if HAVE_NL_LANGINFO_L
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# include <langinfo.h>
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#endif
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#include <string.h>
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struct locale_dependent_values
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{
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char numeric[100];
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char time[100];
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};
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int main ()
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{
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struct locale_dependent_values expected_result;
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struct locale_dependent_values result;
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locale_t loc;
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setlocale (LC_ALL, "en_US.UTF-8");
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setlocale (LC_NUMERIC, "de_DE.UTF-8");
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setlocale (LC_TIME, "fr_FR.UTF-8");
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#if HAVE_SNPRINTF_L
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snprintf (expected_result.numeric, sizeof (expected_result.numeric), "%g", 3.5);
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#endif
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#if HAVE_NL_LANGINFO_L
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strcpy (expected_result.time, nl_langinfo (MON_1));
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#endif
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loc = duplocale (LC_GLOBAL_LOCALE);
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if (!loc)
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return 1;
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#if HAVE_SNPRINTF_L
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snprintf_l (result.numeric, sizeof (result.numeric), loc, "%g", 3.5);
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#endif
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#if HAVE_NL_LANGINFO_L
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strcpy (result.time, nl_langinfo_l (MON_1, loc));
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#endif
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#if HAVE_SNPRINTF_L
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if (strcmp (result.numeric, expected_result.numeric) != 0)
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return 2;
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#endif
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#if HAVE_NL_LANGINFO_L
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if (strcmp (result.time, expected_result.time) != 0)
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return 3;
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#endif
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freelocale (loc);
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return 0;
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}]])],
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[gl_cv_func_duplocale_works=yes],
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[gl_cv_func_duplocale_works=no],
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[dnl Guess it works except on glibc < 2.12, uClibc, AIX, and NetBSD.
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case "$host_os" in
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aix* | netbsd*) gl_cv_func_duplocale_works="guessing no";;
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*-gnu* | gnu*)
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AC_EGREP_CPP([Unlucky], [
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#include <features.h>
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#ifdef __GNU_LIBRARY__
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#if (__GLIBC__ == 2 && __GLIBC_MINOR__ < 12)
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Unlucky GNU user
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#endif
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#endif
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#ifdef __UCLIBC__
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Unlucky user
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#endif
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],
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[gl_cv_func_duplocale_works="guessing no"],
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[gl_cv_func_duplocale_works="guessing yes"])
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;;
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*) gl_cv_func_duplocale_works="guessing yes";;
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esac
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])
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])
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case "$gl_cv_func_duplocale_works" in
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*no) REPLACE_DUPLOCALE=1 ;;
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esac
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else
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dnl In 2019, some versions of z/OS lack the locale_t type and have broken
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dnl newlocale, duplocale, freelocale functions. In this situation, we
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dnl cannot use nor override duplocale.
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HAVE_DUPLOCALE=0
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fi
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else
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HAVE_DUPLOCALE=0
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fi
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if test $REPLACE_DUPLOCALE = 1; then
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DUPLOCALE_LIB="$SETLOCALE_NULL_LIB"
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else
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DUPLOCALE_LIB=
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fi
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dnl DUPLOCALE_LIB is expected to be '-pthread' or '-lpthread' on AIX
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dnl with gcc or xlc, and empty otherwise.
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AC_SUBST([DUPLOCALE_LIB])
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dnl For backward compatibility.
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LIB_DUPLOCALE="$DUPLOCALE_LIB"
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AC_SUBST([LIB_DUPLOCALE])
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])
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# Prerequisites of lib/duplocale.c.
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AC_DEFUN([gl_PREREQ_DUPLOCALE],
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[
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:
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])
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