1# setlocale.m4 serial 6 2dnl Copyright (C) 2011-2019 Free Software Foundation, Inc. 3dnl This file is free software; the Free Software Foundation 4dnl gives unlimited permission to copy and/or distribute it, 5dnl with or without modifications, as long as this notice is preserved. 6 7AC_DEFUN([gl_FUNC_SETLOCALE], 8[ 9 AC_REQUIRE([gl_LOCALE_H_DEFAULTS]) 10 AC_REQUIRE([AC_CANONICAL_HOST]) 11 case "$host_os" in 12 dnl On native Windows systems, setlocale(category,NULL) does not look at 13 dnl the environment variables LC_ALL, category, and LANG. 14 mingw*) REPLACE_SETLOCALE=1 ;; 15 dnl On Cygwin 1.5.x, setlocale always succeeds but setlocale(LC_CTYPE,NULL) 16 dnl is then still "C". 17 cygwin*) 18 case `uname -r` in 19 1.5.*) REPLACE_SETLOCALE=1 ;; 20 esac 21 ;; 22 dnl On Android 4.3, setlocale(category,"C") always fails. 23 *) 24 AC_CACHE_CHECK([whether setlocale supports the C locale], 25 [gl_cv_func_setlocale_works], 26 [AC_RUN_IFELSE( 27 [AC_LANG_SOURCE([[ 28#include <locale.h> 29int main () 30{ 31 return setlocale (LC_ALL, "C") == NULL; 32}]])], 33 [gl_cv_func_setlocale_works=yes], 34 [gl_cv_func_setlocale_works=no], 35 [case "$host_os" in 36 # Guess no on Android. 37 linux*-android*) gl_cv_func_setlocale_works="guessing no";; 38 # Guess yes otherwise. 39 *) gl_cv_func_setlocale_works="guessing yes";; 40 esac 41 ]) 42 ]) 43 case "$gl_cv_func_setlocale_works" in 44 *yes) ;; 45 *) REPLACE_SETLOCALE=1 ;; 46 esac 47 ;; 48 esac 49]) 50 51# Prerequisites of lib/setlocale.c. 52AC_DEFUN([gl_PREREQ_SETLOCALE], 53[ 54 dnl No need to check for CFLocaleCopyPreferredLanguages and 55 dnl CFPreferencesCopyAppValue because lib/setlocale.c is not used on Mac OS X. 56 dnl (The Mac OS X specific code is only used in libintl.) 57 : 58]) 59