From c6618d497b020ac3f1660403b5229591e53a6356 Mon Sep 17 00:00:00 2001
From: Sylvestre Ledru <sylvestre@debian.org>
Date: Sat, 31 Oct 2020 21:35:22 +0100
Subject: [PATCH] fail the build in case of version mistmatch

---
 debian/rules | 1 +
 1 file changed, 1 insertion(+)

diff --git a/debian/rules b/debian/rules
index 45c22709..84020d9e 100755
--- a/debian/rules
+++ b/debian/rules
@@ -407,6 +407,7 @@ override_dh_auto_configure: preconfigure
 	FOUND_VERSION=`grep LLVM_VERSION_STRING build-llvm/include/llvm/Config/llvm-config.h|cut -d\" -f2`; \
 	if ! echo "$(LLVM_VERSION_FULL)"|grep "$$FOUND_VERSION"; then \
 		echo "mistmatch of version. Found: $$FOUND_VERSION / Expected: $(LLVM_VERSION_FULL)"; \
+		exit 1; \
 	fi
 
 # make