zebra: For older distributions RTPROT_BABEL might not be defined

Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>

diff --git a/zebra/rt_netlink.h b/zebra/rt_netlink.h
index 4ec5f18535cb15a12fe561753324cc00b0c43af3..48afef71ef09d6f9c530a04f993bda400828dc74 100644 (file)
--- a/zebra/rt_netlink.h
+++ b/zebra/rt_netlink.h
@@ -33,6 +33,9 @@
 #define RTPROT_OSPF        188
 #define RTPROT_RIP         189
 #define RTPROT_RIPNG       190
+#if !defined(RTPROT_BABEL)
+#define BABEL              42
+#endif
 
 void rt_netlink_init (void);