$NetBSD: patch-src_Makefile,v 1.3 2020/12/10 16:33:02 adam Exp $

Append to CFLAGS and LDFLAGS.

--- src/Makefile.orig	2020-11-26 23:40:22.000000000 +0000
+++ src/Makefile
@@ -140,8 +140,8 @@ SYS_LDFLAGS := $(shell echo $(SYS_LDFLAG
 OPTIONS = -O2 -Wall
 endif
 
-CFLAGS = $(OPTIONS) $(SYS_CFLAGS)  $(EXTRA_CFLAGS) $(CONFIG)
-LDFLAGS =           $(SYS_LDFLAGS) $(EXTRA_LDFLAGS)
+CFLAGS += $(OPTIONS) $(SYS_CFLAGS)  $(EXTRA_CFLAGS) $(CONFIG)
+LDFLAGS +=           $(SYS_LDFLAGS) $(EXTRA_LDFLAGS)
 
 
 SRCS =	main.c		\
