Index: Makefile
--- Makefile.orig	2016-04-19 16:41:48.000000000 +0200
+++ Makefile	2016-07-07 19:47:53.972352119 +0200
@@ -46,7 +46,6 @@
 CPPFLAGS_FAST += $(CPPFLAGS_FAST_EXTRA)
 CPPFLAGS_BENCH = $(CPPFLAGS_FAST)
 
-CFLAGS += -Wall -Wextra -Werror
 CFLAGS_DEBUG = $(CFLAGS) -O0 -g $(CFLAGS_DEBUG_EXTRA)
 CFLAGS_FAST = $(CFLAGS) -O3 $(CFLAGS_FAST_EXTRA)
 CFLAGS_BENCH = $(CFLAGS_FAST) -Wno-unused-parameter