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-rw-r--r--util/cbfstool/Makefile5
1 files changed, 5 insertions, 0 deletions
diff --git a/util/cbfstool/Makefile b/util/cbfstool/Makefile
index 7ef46a7224..7d7befef95 100644
--- a/util/cbfstool/Makefile
+++ b/util/cbfstool/Makefile
@@ -75,3 +75,8 @@ ifneq ($(V),1)
endif
include Makefile.inc
+
+$(objutil)/cbfstool/cbfstool.o: $(VBOOT_SOURCE)/firmware/include/vb2_sha.h
+
+$(VBOOT_SOURCE)/firmware/include/vb2_sha.h:
+ cd $(VBOOT_SOURCE) && git submodule update --init .