--- src/makefile.common.orig	2019-03-21 10:51:16 UTC
+++ src/makefile.common
@@ -2,7 +2,7 @@
 
 CC?=gcc
 CXX?=g++
-CFLAGS+=-Ibme -Iasm -O3 -fpermissive
+CFLAGS+=-Ibme -Iasm
 CXXFLAGS+=$(CFLAGS)
 
 EXE=	$(PREFIX)goattrk2$(SUFFIX) \