X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Fnetdb_h.m4;h=82afacd51e168c8e4303220215da3df75222fb7a;hb=88418d5fd24c99aac393d3e2f564f6939e4e2fe3;hp=e04a2d13eedba7a8858ab6dc38d87afb0756ed79;hpb=ae75893767727a7cd6b85c6bafe5cbe356d0f56b;p=gnulib.git

diff --git a/m4/netdb_h.m4 b/m4/netdb_h.m4
index e04a2d13e..82afacd51 100644
--- a/m4/netdb_h.m4
+++ b/m4/netdb_h.m4
@@ -1,5 +1,5 @@
-# netdb_h.m4 serial 8
-dnl Copyright (C) 2008, 2009, 2010 Free Software Foundation, Inc.
+# netdb_h.m4 serial 9
+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.
@@ -15,6 +15,11 @@ AC_DEFUN([gl_HEADER_NETDB],
     HAVE_NETDB_H=0
   fi
   AC_SUBST([HAVE_NETDB_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 <netdb.h>]],
+    [getaddrinfo freeaddrinfo gai_strerror getnameinfo])
 ])
 
 AC_DEFUN([gl_NETDB_MODULE_INDICATOR],