Import upstream version 1.26

[debian/tar] / m4 / mbsinit.m4

diff --git a/m4/mbsinit.m4 b/m4/mbsinit.m4
index 46c106fc492ee63d678282a8a61bdf5b03f3ecd2..47e2d14a73538d34bb60946fd0af8dae40a26c6e 100644 (file)
--- a/m4/mbsinit.m4
+++ b/m4/mbsinit.m4
@@ -1,5 +1,5 @@
-# mbsinit.m4 serial 4
-dnl Copyright (C) 2008, 2010 Free Software Foundation, Inc.
+# mbsinit.m4 serial 5
+dnl Copyright (C) 2008, 2010-2011 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.
@@ -7,6 +7,7 @@ dnl with or without modifications, as long as this notice is preserved.
 AC_DEFUN([gl_FUNC_MBSINIT],
 [
   AC_REQUIRE([gl_WCHAR_H_DEFAULTS])
+  AC_REQUIRE([AC_CANONICAL_HOST])
 
   AC_REQUIRE([AC_TYPE_MBSTATE_T])
   gl_MBSTATE_T_BROKEN
@@ -17,6 +18,13 @@ AC_DEFUN([gl_FUNC_MBSINIT],
   else
     if test $REPLACE_MBSTATE_T = 1; then
       REPLACE_MBSINIT=1
+    else
+      dnl On mingw, mbsinit() always returns 1, which is inappropriate for
+      dnl states produced by mbrtowc() for an incomplete multibyte character
+      dnl in multibyte locales.
+      case "$host_os" in
+        mingw*) REPLACE_MBSINIT=1 ;;
+      esac
     fi
   fi
   if test $HAVE_MBSINIT = 0 || test $REPLACE_MBSINIT = 1; then