strerror_r-posix: fix on MacOS

[gnulib.git] / m4 / wctob.m4

diff --git a/m4/wctob.m4 b/m4/wctob.m4
index 59e947a..b66e755 100644 (file)
--- a/m4/wctob.m4
+++ b/m4/wctob.m4
@@ -1,5 +1,5 @@
-# wctob.m4 serial 6
-dnl Copyright (C) 2008-2010 Free Software Foundation, Inc.
+# wctob.m4 serial 8
+dnl Copyright (C) 2008-2011 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.
@@ -11,7 +11,6 @@ AC_DEFUN([gl_FUNC_WCTOB],
   AC_CHECK_FUNCS_ONCE([wctob])
   if test $ac_cv_func_wctob = no; then
     HAVE_DECL_WCTOB=0
-    gl_REPLACE_WCHAR_H
     AC_LIBOBJ([wctob])
     gl_PREREQ_WCTOB
   else
@@ -41,6 +40,13 @@ changequote([,])dnl
             AC_RUN_IFELSE(
               [AC_LANG_SOURCE([[
 #include <locale.h>
+/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
+   <wchar.h>.
+   BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
+   included before <wchar.h>.  */
+#include <stddef.h>
+#include <stdio.h>
+#include <time.h>
 #include <wchar.h>
 
 register long global __asm__ ("%ebx");
@@ -66,6 +72,13 @@ int main ()
             [AC_LANG_SOURCE([[
 #include <locale.h>
 #include <string.h>
+/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
+   <wchar.h>.
+   BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
+   included before <wchar.h>.  */
+#include <stddef.h>
+#include <stdio.h>
+#include <time.h>
 #include <wchar.h>
 int main ()
 {
@@ -89,7 +102,6 @@ int main ()
       *) REPLACE_WCTOB=1 ;;
     esac
     if test $REPLACE_WCTOB = 1; then
-      gl_REPLACE_WCHAR_H
       AC_LIBOBJ([wctob])
       gl_PREREQ_WCTOB
     else
@@ -107,7 +119,6 @@ int main ()
 ])
       if test $ac_cv_have_decl_wctob != yes; then
         HAVE_DECL_WCTOB=0
-        gl_REPLACE_WCHAR_H
       fi
     fi
   fi