From: David Sommerseth <dazo@users.sourceforge.net>
Date: Wed, 10 Mar 2010 10:45:04 +0000 (+0100)
Subject: On TARGET_LINUX define _GNU_SOURCE if not defined
X-Git-Tag: v2.2-beta1~7^2~20
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=48045ace0541ec39f9c5003c0c37a23e1651f39d;p=thirdparty%2Fopenvpn.git

On TARGET_LINUX define _GNU_SOURCE if not defined

This is to include peercred support on hosts where _GNU_SOURCE is not
defined by default.  This issue has been found on Gentoo with glibc-2.8.

The solution was discussed on the IRC meeting March 4, 2010
in #openvpn-discussions.
<http://thread.gmane.org/gmane.network.openvpn.devel/3242>

Signed-off-by: David Sommerseth <dazo@users.sourceforge.net>
Acked-by: James Yonan <james@openvpn.net>
---

diff --git a/syshead.h b/syshead.h
index bc54ce0e4..0a3eb143f 100644
--- a/syshead.h
+++ b/syshead.h
@@ -85,6 +85,10 @@
 #endif
 
 #ifdef HAVE_SYS_SOCKET_H
+# if defined(TARGET_LINUX) && !defined(_GNU_SOURCE)
+   /* needed for peercred support on glibc-2.8 */
+#  define _GNU_SOURCE
+# endif
 #include <sys/socket.h>
 #endif