Mercurial > gnulib
view m4/duplocale.m4 @ 39194:a84ae461a2f6
Add cross-compilation results for GNU/Hurd.
* m4/calloc.m4: Add GNU/Hurd guess.
* m4/cbrtl.m4: Likewise.
* m4/ceil.m4: Likewise.
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* m4/duplocale.m4: Likewise.
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author | Samuel Thibault <samuel.thibault@gnu.org> |
---|---|
date | Fri, 29 Dec 2017 17:30:07 +0100 |
parents | aba5dc56f9f9 |
children | 10eb9086bea0 |
line wrap: on
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# duplocale.m4 serial 10 dnl Copyright (C) 2009-2017 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. AC_DEFUN([gl_FUNC_DUPLOCALE], [ AC_REQUIRE([gl_LOCALE_H_DEFAULTS]) AC_REQUIRE([AC_CANONICAL_HOST]) AC_CHECK_FUNCS_ONCE([duplocale]) if test $ac_cv_func_duplocale = yes; then dnl Check against glibc bug where duplocale crashes. dnl See <https://sourceware.org/bugzilla/show_bug.cgi?id=10969>. dnl Also, on AIX 7.1, duplocale(LC_GLOBAL_LOCALE) returns (locale_t)0 with dnl errno set to EINVAL. dnl Also, on NetBSD 7.0, duplocale(LC_GLOBAL_LOCALE) returns a locale that dnl corresponds to the C locale. AC_REQUIRE([gl_LOCALE_H]) AC_CHECK_FUNCS_ONCE([snprintf_l nl_langinfo_l]) AC_CACHE_CHECK([whether duplocale(LC_GLOBAL_LOCALE) works], [gl_cv_func_duplocale_works], [AC_RUN_IFELSE( [AC_LANG_SOURCE([[ #include <locale.h> #if HAVE_XLOCALE_H # include <xlocale.h> #endif #if HAVE_SNPRINTF_L # include <stdio.h> #endif #if HAVE_NL_LANGINFO_L # include <langinfo.h> #endif #include <string.h> struct locale_dependent_values { char numeric[100]; char time[100]; }; int main () { struct locale_dependent_values expected_result; struct locale_dependent_values result; locale_t loc; setlocale (LC_ALL, "en_US.UTF-8"); setlocale (LC_NUMERIC, "de_DE.UTF-8"); setlocale (LC_TIME, "fr_FR.UTF-8"); #if HAVE_SNPRINTF_L snprintf (expected_result.numeric, sizeof (expected_result.numeric), "%g", 3.5); #endif #if HAVE_NL_LANGINFO_L strcpy (expected_result.time, nl_langinfo (MON_1)); #endif loc = duplocale (LC_GLOBAL_LOCALE); if (!loc) return 1; #if HAVE_SNPRINTF_L snprintf_l (result.numeric, sizeof (result.numeric), loc, "%g", 3.5); #endif #if HAVE_NL_LANGINFO_L strcpy (result.time, nl_langinfo_l (MON_1, loc)); #endif #if HAVE_SNPRINTF_L if (strcmp (result.numeric, expected_result.numeric) != 0) return 2; #endif #if HAVE_NL_LANGINFO_L if (strcmp (result.time, expected_result.time) != 0) return 3; #endif freelocale (loc); return 0; }]])], [gl_cv_func_duplocale_works=yes], [gl_cv_func_duplocale_works=no], [dnl Guess it works except on glibc < 2.12, uClibc, AIX, and NetBSD. case "$host_os" in aix* | netbsd*) gl_cv_func_duplocale_works="guessing no";; *-gnu* | gnu*) AC_EGREP_CPP([Unlucky], [ #include <features.h> #ifdef __GNU_LIBRARY__ #if (__GLIBC__ == 2 && __GLIBC_MINOR__ < 12) Unlucky GNU user #endif #endif #ifdef __UCLIBC__ Unlucky user #endif ], [gl_cv_func_duplocale_works="guessing no"], [gl_cv_func_duplocale_works="guessing yes"]) ;; *) gl_cv_func_duplocale_works="guessing yes";; esac ]) ]) case "$gl_cv_func_duplocale_works" in *no) REPLACE_DUPLOCALE=1 ;; esac else HAVE_DUPLOCALE=0 fi ]) # Prerequisites of lib/duplocale.c. AC_DEFUN([gl_PREREQ_DUPLOCALE], [ : ])