X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Flocale-ar.m4;h=bbf75055f9a6fbde18db08bbe5c70be95762ddb3;hb=368777cd04f76f7a3b242006fdf6c1e6b77381de;hp=2c51f2fb52b9f42bd62f2d0b9dab865a4192a48c;hpb=d60f3b0c6b0f93a601acd1cfd3923f94ca05abb0;p=gnulib.git

diff --git a/m4/locale-ar.m4 b/m4/locale-ar.m4
index 2c51f2fb5..bbf75055f 100644
--- a/m4/locale-ar.m4
+++ b/m4/locale-ar.m4
@@ -1,4 +1,4 @@
-# locale-ar.m4 serial 1
+# locale-ar.m4 serial 3
 dnl Copyright (C) 2003, 2005-2011 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -25,13 +25,24 @@ 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 Win32, setlocale(category, "") looks at the system settings,
+     not at the environment variables.  Also, when an encoding suffix such
+     as ".65001" or ".54936" is speficied, 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;
-  /* Check that nl_langinfo(CODESET) is nonempty and not "ASCII" or "646". */
+#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
-        || strcmp (cs, "UTF-8") == 0)
+        || cs[strlen (cs) - 1] != '6')
       return 1;
   }
 #endif
@@ -41,26 +52,45 @@ int main () {
      LC_ALL is set on the command line.  */
   if (strchr (getenv ("LC_ALL"), '.') == NULL) return 1;
 #endif
-  /* Check that the name of the first month begins with U+0643 (ك) as encoded
-     by ISO 8859-6.  This excludes the UTF-8 encoding.  */
-  t.tm_year = 1975 - 1900; t.tm_mon = 1 - 1; t.tm_mday = 4;
-  strftime (buf, sizeof (buf), "%B", &t);
-  if ((unsigned char) buf[0] != 0xe3) return 1;
   return 0;
 }
 changequote([,])dnl
       ])])
     if AC_TRY_EVAL([ac_link]) && test -s conftest$ac_exeext; then
-      # Setting LC_ALL is not enough. Need to set LC_TIME to empty, because
-      # otherwise on MacOS 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.
-      # Test for the usual locale name.
-      for gt_cv_locale_ar in ar_SA ar_SA.ISO-8859-6 ar_EG ar_EG.ISO-8859-6 none; do
-        if test $gt_cv_locale_ar = none || (LC_ALL=$gt_cv_locale_ar LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
-	  break
-	fi
-      done
+      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 Win32, 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 MacOS 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*
   ])