gre: Add kernel GRE support.

[openvswitch] / datapath / linux-2.6 / Makefile.main.in

diff --git a/datapath/linux-2.6/Makefile.main.in b/datapath/linux-2.6/Makefile.main.in
index 967e2f7bcff1953fffbcb3d5c1e3c2ebdbc3b2f1..fd231e6968c731dd4df1910fdcc253a80dac3ad1 100644 (file)
--- a/datapath/linux-2.6/Makefile.main.in
+++ b/datapath/linux-2.6/Makefile.main.in
@@ -5,6 +5,7 @@ export top_srcdir = @abs_top_srcdir@
 export KSRC = @KBUILD26@
 export VERSION = @VERSION@
 export BUILD_VETH = @BUILD_VETH@
+export BUILD_GRE = @BUILD_GRE@
 
 include $(srcdir)/../Modules.mk
 include $(srcdir)/Modules.mk