3 dnl Copyright (C) 2003, 2005-2024 Free Software Foundation, Inc.
4 dnl This file is free software; the Free Software Foundation
5 dnl gives unlimited permission to copy and/or distribute it,
6 dnl with or without modifications, as long as this notice is preserved.
8 dnl From Ben Pfaff, based on locale-fr.m4 by Bruno Haible.
10 dnl Determine the name of an Arabic locale with traditional encoding.
11 AC_DEFUN_ONCE([gt_LOCALE_AR],
13 AC_REQUIRE([AC_CANONICAL_HOST])
14 AC_REQUIRE([AM_LANGINFO_CODESET])
15 AC_CACHE_CHECK([for a traditional Arabic locale], [gt_cv_locale_ar], [
16 AC_LANG_CONFTEST([AC_LANG_SOURCE([[
19 #if HAVE_LANGINFO_CODESET
20 # include <langinfo.h>
27 /* On BeOS and Haiku, locales are not implemented in libc. Rather, libintl
28 imitates locale dependent behaviour by looking at the environment
29 variables, and all locales use the UTF-8 encoding. */
30 #if defined __BEOS__ || defined __HAIKU__
33 /* Check whether the given locale name is recognized by the system. */
34 # if defined _WIN32 && !defined __CYGWIN__
35 /* On native Windows, setlocale(category, "") looks at the system settings,
36 not at the environment variables. Also, when an encoding suffix such
37 as ".65001" or ".54936" is specified, it succeeds but sets the LC_CTYPE
38 category of the locale to "C". */
39 if (setlocale (LC_ALL, getenv ("LC_ALL")) == NULL
40 || strcmp (setlocale (LC_CTYPE, NULL), "C") == 0)
43 if (setlocale (LC_ALL, "") == NULL) return 1;
45 /* Check that nl_langinfo(CODESET) is nonempty and not "ASCII" or "646"
47 # if HAVE_LANGINFO_CODESET
49 const char *cs = nl_langinfo (CODESET);
50 if (cs[0] == '\0' || strcmp (cs, "ASCII") == 0 || strcmp (cs, "646") == 0
51 || cs[strlen (cs) - 1] != '6')
56 /* On Cygwin, avoid locale names without encoding suffix, because the
57 locale_charset() function relies on the encoding suffix. Note that
58 LC_ALL is set on the command line. */
59 if (strchr (getenv ("LC_ALL"), '.') == NULL) return 1;
65 if AC_TRY_EVAL([ac_link]) && test -s conftest$ac_exeext; then
67 # Handle native Windows specially, because there setlocale() interprets
68 # "ar" as "Arabic" or "Arabic_Saudi Arabia.1256",
69 # "fr" or "fra" as "French" or "French_France.1252",
70 # "ge"(!) or "deu"(!) as "German" or "German_Germany.1252",
71 # "ja" as "Japanese" or "Japanese_Japan.932",
74 # Note that on native Windows, the Arabic locale is
75 # "Arabic_Saudi Arabia.1256", and CP1256 is very different from
76 # ISO-8859-6, so we cannot use it here.
80 # Setting LC_ALL is not enough. Need to set LC_TIME to empty, because
81 # otherwise on Mac OS X 10.3.5 the LC_TIME=C from the beginning of the
82 # configure script would override the LC_ALL setting. Likewise for
83 # LC_CTYPE, which is also set at the beginning of the configure script.
85 # - The usual locale name: ar_SA
86 # - The locale name with explicit encoding suffix: ar_SA.ISO-8859-6
87 # - The HP-UX locale name: ar_SA.iso88596
88 # - The Solaris 10 locale name: ar
89 # Also try ar_EG instead of ar_SA because Egypt is a large country too.
90 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
91 if test $gt_cv_locale_ar = none; then
94 if (LC_ALL=$gt_cv_locale_ar LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
103 LOCALE_AR=$gt_cv_locale_ar
104 case $LOCALE_AR in #(
105 '' | *[[[:space:]\"\$\'*@<:@]]*)
106 dnl This locale name might cause trouble with sh or make.
107 AC_MSG_WARN([invalid locale "$LOCALE_AR"; assuming "none"])
110 AC_SUBST([LOCALE_AR])