$NetBSD: patch-Makefile,v 1.2 2020/03/22 10:20:06 nia Exp $

Don't force -O3, -g

--- Makefile.orig	2020-02-12 16:22:40.000000000 +0000
+++ Makefile
@@ -6,14 +6,13 @@
 #CC ?= clang
 
 # Enable compiler warnings. This is an absolute minimum.
-CFLAGS += -Wall -std=c99 -O3 #-Wextra
+CFLAGS += -Wall -std=c99 #-Wextra
 
 # Define your optimization flags.
 #
 # These are good for regular use.
 #CFLAGS += -O2 -fomit-frame-pointer -falign-functions=2 -falign-loops=2 -falign-jumps=2
 # These are handy for debugging.
-CFLAGS += -g
 
 # Define where you want Frotz installed
 PREFIX ?= /usr/local