--- src/makefile.common.orig	2021-05-16 12:09:42 UTC
+++ src/makefile.common
@@ -2,8 +2,8 @@
 
 CC?=gcc
 CXX?=g++
-CFLAGS+=-Ibme -Iasm -O3
-CXXFLAGS+=$(CFLAGS) -fpermissive
+CFLAGS+=-Ibme -Iasm
+CXXFLAGS+=$(CFLAGS)
 
 EXE=	$(PREFIX)goattrk2$(SUFFIX) \
 	$(PREFIX)gt2reloc$(SUFFIX) \