lib/flow: Use BUILD_MESSAGE() to warn if BUILD_SEQ is not updated

Signed-off-by: Daniele Di Proietto <ddiproietto@vmware.com> Acked-by: Jarno Rajahalme <jrajahalme@nicira.com>
openvswitch · Aug 29, 2014 · dce96af · dce96af
1 parent aa8ea22
commit dce96af
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/lib/flow.c b/lib/flow.c
@@ -123,6 +123,9 @@ struct mf_ctx {
 
 #if (FLOW_WC_SEQ != 27)
 #define MINIFLOW_ASSERT(X) ovs_assert(X)
+BUILD_MESSAGE("FLOW_WC_SEQ changed: miniflow_extract() will have runtime "
+               "assertions enabled. Consider updating FLOW_WC_SEQ after "
+               "testing")
 #else
 #define MINIFLOW_ASSERT(X)
 #endif