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Diffstat (limited to 'gnulib-m4/locale-ar.m4')
| -rw-r--r-- | gnulib-m4/locale-ar.m4 | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/gnulib-m4/locale-ar.m4 b/gnulib-m4/locale-ar.m4 new file mode 100644 index 00000000..fd16338e --- /dev/null +++ b/gnulib-m4/locale-ar.m4 @@ -0,0 +1,99 @@ +# locale-ar.m4 serial 6 +dnl Copyright (C) 2003, 2005-2015 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([ +changequote(,)dnl +#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 () { + /* Check whether the given locale name is recognized by the system. */ +#if (defined _WIN32 || 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; +} +changequote([,])dnl + ])]) + 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]) +]) |