From: Stephen Hemminger <stephen@networkplumber.org>
Date: Wed, 17 Apr 2013 20:33:26 +0000 (-0700)
Subject: ipnetns: fix build on older systems
X-Git-Tag: v3.9.0~2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=03fdb011dd661315a83998af8af779d8f089e3fe;p=thirdparty%2Fiproute2.git

ipnetns: fix build on older systems

Debian Squeeze has out of date <sys/mount.h> without the required flags.
---

diff --git a/ip/ipnetns.c b/ip/ipnetns.c
index b047b979a..c9bc20aee 100644
--- a/ip/ipnetns.c
+++ b/ip/ipnetns.c
@@ -29,6 +29,20 @@
 #define MNT_DETACH	0x00000002	/* Just detach from the tree */
 #endif /* MNT_DETACH */
 
+/* sys/mount.h may be out too old to have these */
+#ifndef MS_REC
+#define MS_REC		16384
+#endif
+
+#ifndef MS_SLAVE
+#define MS_SLAVE	(1 << 19)
+#endif
+
+#ifndef MS_SHARED
+#define MS_SHARED	(1 << 20)
+#endif
+
+
 #ifndef HAVE_SETNS
 static int setns(int fd, int nstype)
 {