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# locale-ar.m4 serial 9
dnl Copyright (C) 2003, 2005-2022 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.
dnl From Ben Pfaff, based on locale-fr.m4 by Bruno Haible.
dnl Determine the name of an Arabic locale with traditional encoding.
AC_DEFUN([gt_LOCALE_AR],
[
AC_REQUIRE([AC_CANONICAL_HOST])
AC_REQUIRE([AM_LANGINFO_CODESET])
AC_CACHE_CHECK([for a traditional Arabic locale], [gt_cv_locale_ar], [
AC_LANG_CONFTEST([AC_LANG_SOURCE([[
#include <locale.h>
#include <time.h>
#if HAVE_LANGINFO_CODESET
# include <langinfo.h>
#endif
#include <stdlib.h>
#include <string.h>
struct tm t;
char buf[16];
int main () {
/* On BeOS and Haiku, locales are not implemented in libc. Rather, libintl
imitates locale dependent behaviour by looking at the environment
variables, and all locales use the UTF-8 encoding. */
#if defined __BEOS__ || defined __HAIKU__
return 1;
#else
/* Check whether the given locale name is recognized by the system. */
# if defined _WIN32 && !defined __CYGWIN__
/* On native Windows, setlocale(category, "") looks at the system settings,
not at the environment variables. Also, when an encoding suffix such
as ".65001" or ".54936" is specified, it succeeds but sets the LC_CTYPE
category of the locale to "C". */
if (setlocale (LC_ALL, getenv ("LC_ALL")) == NULL
|| strcmp (setlocale (LC_CTYPE, NULL), "C") == 0)
return 1;
# else
if (setlocale (LC_ALL, "") == NULL) return 1;
# endif
/* Check that nl_langinfo(CODESET) is nonempty and not "ASCII" or "646"
and ends in "6". */
# if HAVE_LANGINFO_CODESET
{
const char *cs = nl_langinfo (CODESET);
if (cs[0] == '\0' || strcmp (cs, "ASCII") == 0 || strcmp (cs, "646") == 0
|| cs[strlen (cs) - 1] != '6')
return 1;
}
# endif
# ifdef __CYGWIN__
/* On Cygwin, avoid locale names without encoding suffix, because the
locale_charset() function relies on the encoding suffix. Note that
LC_ALL is set on the command line. */
if (strchr (getenv ("LC_ALL"), '.') == NULL) return 1;
# endif
return 0;
#endif
}
]])])
if AC_TRY_EVAL([ac_link]) && test -s conftest$ac_exeext; then
case "$host_os" in
# Handle native Windows specially, because there setlocale() interprets
# "ar" as "Arabic" or "Arabic_Saudi Arabia.1256",
# "fr" or "fra" as "French" or "French_France.1252",
# "ge"(!) or "deu"(!) as "German" or "German_Germany.1252",
# "ja" as "Japanese" or "Japanese_Japan.932",
# and similar.
mingw*)
# Note that on native Windows, the Arabic locale is
# "Arabic_Saudi Arabia.1256", and CP1256 is very different from
# ISO-8859-6, so we cannot use it here.
gt_cv_locale_ar=none
;;
*)
# Setting LC_ALL is not enough. Need to set LC_TIME to empty, because
# otherwise on Mac OS X 10.3.5 the LC_TIME=C from the beginning of the
# configure script would override the LC_ALL setting. Likewise for
# LC_CTYPE, which is also set at the beginning of the configure script.
# Values tested:
# - The usual locale name: ar_SA
# - The locale name with explicit encoding suffix: ar_SA.ISO-8859-6
# - The HP-UX locale name: ar_SA.iso88596
# - The Solaris 7 locale name: ar
# Also try ar_EG instead of ar_SA because Egypt is a large country too.
for gt_cv_locale_ar in ar_SA ar_SA.ISO-8859-6 ar_SA.iso88596 ar_EG ar_EG.ISO-8859-6 ar_EG.iso88596 ar none; do
if test $gt_cv_locale_ar = none; then
break
fi
if (LC_ALL=$gt_cv_locale_ar LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
break
fi
done
;;
esac
fi
rm -fr conftest*
])
LOCALE_AR=$gt_cv_locale_ar
AC_SUBST([LOCALE_AR])
])
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