-# inet_pton.m4 serial 10
-dnl Copyright (C) 2006, 2008, 2009, 2010 Free Software Foundation, Inc.
+# inet_pton.m4 serial 11
+dnl Copyright (C) 2006, 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.
# Prerequisites of lib/inet_pton.c.
AC_DEFUN([gl_PREREQ_INET_PTON], [
- AC_CHECK_DECLS([inet_pton],,,[#include <arpa/inet.h>])
+ AC_CHECK_HEADERS_ONCE([netdb.h])
+ AC_CHECK_DECLS([inet_pton],,,
+ [#include <arpa/inet.h>
+ #if HAVE_NETDB_H
+ # include <netdb.h>
+ #endif
+ ])
if test $ac_cv_have_decl_inet_pton = no; then
HAVE_DECL_INET_PTON=0
fi