Import upstream version 1.26

[debian/tar] / m4 / locale-zh.m4

diff --git a/m4/locale-zh.m4 b/m4/locale-zh.m4
index be176c15ed60364837420fe69b775fcacb2e7585..e03f91f06aee2ce31646e052da096296eb6a8530 100644 (file)
--- a/m4/locale-zh.m4
+++ b/m4/locale-zh.m4
@@ -1,5 +1,5 @@
-# locale-zh.m4 serial 7
-dnl Copyright (C) 2003, 2005-2010 Free Software Foundation, Inc.
+# locale-zh.m4 serial 8
+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,
 dnl with or without modifications, as long as this notice is preserved.
@@ -28,7 +28,17 @@ int main ()
 {
   const char *p;
   /* 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;
+#endif
   /* Check whether nl_langinfo(CODESET) is nonempty and not "ASCII" or "646".
      On MacOS X 10.3.5 (Darwin 7.5) in the fr_FR locale, nl_langinfo(CODESET)
      is empty, and the behaviour of Tcl 8.4 in this locale is not useful.
@@ -67,22 +77,41 @@ int main ()
 changequote([,])dnl
       ])])
     if AC_TRY_EVAL([ac_link]) && test -s conftest$ac_exeext; then
-      # Setting LC_ALL is not enough. Need to set LC_TIME to empty, because
-      # otherwise on MacOS X 10.3.5 the LC_TIME=C from the beginning of the
-      # configure script would override the LC_ALL setting. Likewise for
-      # LC_CTYPE, which is also set at the beginning of the configure script.
-      # Test for the locale name without encoding suffix.
-      if (LC_ALL=zh_CN LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
-        gt_cv_locale_zh_CN=zh_CN
-      else
-        # Test for the locale name with explicit encoding suffix.
-        if (LC_ALL=zh_CN.GB18030 LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
-          gt_cv_locale_zh_CN=zh_CN.GB18030
-        else
-          # None found.
-          gt_cv_locale_zh_CN=none
-        fi
-      fi
+      case "$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*)
+          # Test for the hypothetical native Win32 locale name.
+          if (LC_ALL=Chinese_China.54936 LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
+            gt_cv_locale_zh_CN=Chinese_China.54936
+          else
+            # None found.
+            gt_cv_locale_zh_CN=none
+          fi
+          ;;
+        *)
+          # 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 locale name without encoding suffix.
+          if (LC_ALL=zh_CN LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
+            gt_cv_locale_zh_CN=zh_CN
+          else
+            # Test for the locale name with explicit encoding suffix.
+            if (LC_ALL=zh_CN.GB18030 LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
+              gt_cv_locale_zh_CN=zh_CN.GB18030
+            else
+              # None found.
+              gt_cv_locale_zh_CN=none
+            fi
+          fi
+          ;;
+      esac
     else
       # If there was a link error, due to mblen(), the system is so old that
       # it certainly doesn't have a chinese locale.