--- Makefile.orig	2020-09-29 10:45:14 UTC
+++ Makefile
@@ -20,8 +20,6 @@ OPENMP?= 0
 LLVM = $(shell $(CC) --version | grep LLVM)
 ifneq ($(LLVM),)
 	CFLAGS+=-Qunused-arguments
-else
-	CFLAGS+=-Wno-unused-but-set-variable
 endif
 
 export DBG