Makefile: add a hdr-check target

diff --git a/commit-graph.h b/commit-graph.h
index 0de8f88316fd465b4bb08bfb4ac40559d615c161..b05047676514e4d031ac90de50510eb33a4b6db6 100644 (file)
--- a/commit-graph.h
+++ b/commit-graph.h
@@ -4,6 +4,9 @@
 #include "git-compat-util.h"
 #include "repository.h"
 #include "string-list.h"
+#include "cache.h"
+
+#define GIT_TEST_COMMIT_GRAPH "GIT_TEST_COMMIT_GRAPH"
 
 struct commit;