$NetBSD: patch-Makefile,v 1.5 2025/08/09 19:23:52 leot Exp $

Do not ignore CPPFLAGS and do not force optimization in CFLAGS

--- Makefile.orig	2025-08-09 19:19:00.667052223 +0000
+++ Makefile
@@ -1,7 +1,7 @@
 VERSION=1.1
 
-CPPFLAGS=-DVERSION=\"${VERSION}\" -D_GNU_SOURCE
-CFLAGS+=-MD -Wall -Wextra -g -std=c99 -O3 -pedantic -Ideps -Werror=vla
+CPPFLAGS+=-DVERSION=\"${VERSION}\" -D_GNU_SOURCE
+CFLAGS+=-MD -Wall -Wextra -g -std=c99 -pedantic -Ideps -Werror=vla
 PREFIX?=/usr/local
 MANDIR?=$(PREFIX)/share/man
 BINDIR?=$(PREFIX)/bin