Make the tests work with a C++ compiler.

diff --git a/ChangeLog b/ChangeLog
index fc5719b..15adf51 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2009-06-25  Sam Steingold  <sds@gnu.org>
+
+       * mbrtowc.m4 (gl_MBRTOWC_SANITYCHECK): Include <stdlib.h>, for the
+       mbtowc declaration.
+
 2009-06-25  Eric Blake  <ebb9@byu.net>
 
        fpurge: migrate into <stdio.h>

diff --git a/m4/mbrtowc.m4 b/m4/mbrtowc.m4
index 11d7d23..2fddcc8 100644 (file)
--- a/m4/mbrtowc.m4
+++ b/m4/mbrtowc.m4
@@ -1,4 +1,4 @@
-# mbrtowc.m4 serial 15
+# mbrtowc.m4 serial 16
 dnl Copyright (C) 2001-2002, 2004-2005, 2008, 2009 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -156,6 +156,7 @@ changequote([,])dnl
       if test $LOCALE_ZH_CN != none; then
         AC_TRY_RUN([
 #include <locale.h>
+#include <stdlib.h>
 #include <string.h>
 #include <wchar.h>
 int main ()