X-Git-Url: https://git.cworth.org/git?a=blobdiff_plain;f=m4%2Fstrings_h.m4;h=26aa1f782ac1a1c775ca44277cbbfe6f03185491;hb=31ddaba37b395cf6bece20c455149d05c369b018;hp=03ac182f3315f173a9db52f291d6394799e0b953;hpb=138fc7e67e3d9845cd7d81aad0e9c7724784f9b9;p=tar

diff --git a/m4/strings_h.m4 b/m4/strings_h.m4
index 03ac182..26aa1f7 100644
--- a/m4/strings_h.m4
+++ b/m4/strings_h.m4
@@ -1,6 +1,7 @@
 # Configure a replacement for <string.h>.
+# serial 2
 
-# Copyright (C) 2007 Free Software Foundation, Inc.
+# Copyright (C) 2007, 2009, 2010 Free Software Foundation, Inc.
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
@@ -16,6 +17,11 @@ AC_DEFUN([gl_HEADER_STRINGS_H_BODY],
 [
   AC_REQUIRE([gl_HEADER_STRINGS_H_DEFAULTS])
   gl_CHECK_NEXT_HEADERS([strings.h])
+
+  dnl Check for declarations of anything we want to poison if the
+  dnl corresponding gnulib module is not in use.
+  gl_WARN_ON_USE_PREPARE([[#include <strings.h>
+    ]], [strcasecmp strncasecmp])
 ])
 
 AC_DEFUN([gl_STRINGS_MODULE_INDICATOR],