Imported Upstream version 1.23

[tar] / m4 / wcrtomb.m4

diff --git a/m4/wcrtomb.m4 b/m4/wcrtomb.m4
index 22d94336716898f66e8381197b050c29b772bf14..19c0c5fe90ea035578b3511746d050e437f5574f 100644 (file)
--- a/m4/wcrtomb.m4
+++ b/m4/wcrtomb.m4
@@ -1,5 +1,5 @@
-# wcrtomb.m4 serial 2
-dnl Copyright (C) 2008 Free Software Foundation, Inc.
+# wcrtomb.m4 serial 4
+dnl Copyright (C) 2008-2010 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.
@@ -9,12 +9,16 @@ AC_DEFUN([gl_FUNC_WCRTOMB],
   AC_REQUIRE([gl_WCHAR_H_DEFAULTS])
 
   AC_REQUIRE([AC_TYPE_MBSTATE_T])
+  gl_MBSTATE_T_BROKEN
+  if test $REPLACE_MBSTATE_T = 1; then
+    REPLACE_WCRTOMB=1
+  fi
   AC_CHECK_FUNCS_ONCE([wcrtomb])
   if test $ac_cv_func_wcrtomb = no; then
     HAVE_WCRTOMB=0
-  else
-
-    dnl On OSF/1 5.1 and Solaris 10, wcrtomb (NULL, 0, NULL) sometimes
+  fi
+  if test $HAVE_WCRTOMB != 0 && test $REPLACE_WCRTOMB != 1; then
+    dnl On AIX 4.3, OSF/1 5.1 and Solaris 10, wcrtomb (NULL, 0, NULL) sometimes
     dnl returns 0 instead of 1.
     AC_REQUIRE([AC_PROG_CC])
     AC_REQUIRE([gt_LOCALE_FR])
@@ -29,10 +33,10 @@ AC_DEFUN([gl_FUNC_WCRTOMB],
         dnl is present.
 changequote(,)dnl
         case "$host_os" in
-                           # Guess no on OSF/1 and Solaris.
-          osf* | solaris*) gl_cv_func_wcrtomb_retval="guessing no" ;;
-                           # Guess yes otherwise.
-          *)               gl_cv_func_wcrtomb_retval="guessing yes" ;;
+                                   # Guess no on AIX 4, OSF/1 and Solaris.
+          aix4* | osf* | solaris*) gl_cv_func_wcrtomb_retval="guessing no" ;;
+                                   # Guess yes otherwise.
+          *)                       gl_cv_func_wcrtomb_retval="guessing yes" ;;
         esac
 changequote([,])dnl
         if test $LOCALE_FR != none || test $LOCALE_FR_UTF8 != none || test $LOCALE_JA != none || test $LOCALE_ZH_CN != none; then
@@ -67,7 +71,7 @@ int main ()
 }],
             [gl_cv_func_wcrtomb_retval=yes],
             [gl_cv_func_wcrtomb_retval=no],
-            [])
+            [:])
         fi
       ])
     case "$gl_cv_func_wcrtomb_retval" in