From 59733da383e12d7ee0cc1fc16e072dd90a2da8d1 Mon Sep 17 00:00:00 2001
From: Jakub Sztandera <kubuxu@protocol.ai>
Date: Mon, 15 Feb 2021 13:30:56 +0100
Subject: [PATCH] Verify FFI version before building

Resolves: #5003

Signed-off-by: Jakub Sztandera <kubuxu@protocol.ai>
---
 Makefile | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/Makefile b/Makefile
index c3abfb7b45c..0f3a49a95d6 100644
--- a/Makefile
+++ b/Makefile
@@ -41,10 +41,15 @@ MODULES+=$(FFI_PATH)
 BUILD_DEPS+=build/.filecoin-install
 CLEAN+=build/.filecoin-install
 
-$(MODULES): build/.update-modules ;
+ffi-version-check:
+	@[[ "$$(awk '/const Version/{print $$5}' extern/filecoin-ffi/version.go)" -eq 1 ]] || (echo "FFI version mismatch, update submodules"; exit 1)
+BUILD_DEPS+=ffi-version-check
+
+.PHONY: ffi-version-check
+
 
 # dummy file that marks the last time modules were updated
-build/.update-modules:
+build/.update-modules: $(MODULES)
 	git submodule update --init --recursive
 	touch $@