1 # locale-ar.m4 serial 1
2 dnl Copyright (C) 2003, 2005-2010 Free Software Foundation, Inc.
3 dnl This file is free software; the Free Software Foundation
4 dnl gives unlimited permission to copy and/or distribute it,
5 dnl with or without modifications, as long as this notice is preserved.
7 dnl From Ben Pfaff, based on locale-fr.m4 by Bruno Haible.
9 dnl Determine the name of an Arabic locale with traditional encoding.
10 AC_DEFUN([gt_LOCALE_AR],
12 AC_REQUIRE([AC_CANONICAL_HOST])
13 AC_REQUIRE([AM_LANGINFO_CODESET])
14 AC_CACHE_CHECK([for a traditional Arabic locale], [gt_cv_locale_ar], [
15 AC_LANG_CONFTEST([AC_LANG_SOURCE([
19 #if HAVE_LANGINFO_CODESET
20 # include <langinfo.h>
27 /* Check whether the given locale name is recognized by the system. */
28 if (setlocale (LC_ALL, "") == NULL) return 1;
29 /* Check that nl_langinfo(CODESET) is nonempty and not "ASCII" or "646". */
30 #if HAVE_LANGINFO_CODESET
32 const char *cs = nl_langinfo (CODESET);
33 if (cs[0] == '\0' || strcmp (cs, "ASCII") == 0 || strcmp (cs, "646") == 0
34 || strcmp (cs, "UTF-8") == 0)
39 /* On Cygwin, avoid locale names without encoding suffix, because the
40 locale_charset() function relies on the encoding suffix. Note that
41 LC_ALL is set on the command line. */
42 if (strchr (getenv ("LC_ALL"), '.') == NULL) return 1;
44 /* Check that the name of the first month begins with U+0643 (ك) as encoded
45 by ISO 8859-6. This excludes the UTF-8 encoding. */
46 t.tm_year = 1975 - 1900; t.tm_mon = 1 - 1; t.tm_mday = 4;
47 strftime (buf, sizeof (buf), "%B", &t);
48 if ((unsigned char) buf[0] != 0xe3) return 1;
53 if AC_TRY_EVAL([ac_link]) && test -s conftest$ac_exeext; then
54 # Setting LC_ALL is not enough. Need to set LC_TIME to empty, because
55 # otherwise on MacOS X 10.3.5 the LC_TIME=C from the beginning of the
56 # configure script would override the LC_ALL setting. Likewise for
57 # LC_CTYPE, which is also set at the beginning of the configure script.
58 # Test for the usual locale name.
59 for gt_cv_locale_ar in ar_SA ar_SA.ISO-8859-6 ar_EG ar_EG.ISO-8859-6 none; do
60 if test $gt_cv_locale_ar = none || (LC_ALL=$gt_cv_locale_ar LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
67 LOCALE_AR=$gt_cv_locale_ar