$OpenBSD: patch-src_Makefile,v 1.10 2018/05/04 21:04:43 benoit Exp $
Index: src/Makefile
--- src/Makefile.orig
+++ src/Makefile
@@ -119,8 +119,8 @@ SYS_LDFLAGS := $(shell echo $(SYS_LDFLAGS) |	\
 OPTIONS = -O3 -Wall
 endif
 
-CFLAGS = $(OPTIONS) $(SYS_CFLAGS)  $(EXTRA_CFLAGS) $(CONFIG)
-LDFLAGS =           $(SYS_LDFLAGS) $(EXTRA_LDFLAGS) -lm
+CFLAGS += $(SYS_CFLAGS)  $(EXTRA_CFLAGS) $(CONFIG)
+LDFLAGS +=           $(SYS_LDFLAGS) $(EXTRA_LDFLAGS) -lm
 
 
 SRCS =	main.c		\
