$OpenBSD: patch-makefile,v 1.5 2019/12/15 17:00:12 benoit Exp $
--- makefile.orig	Sun Dec 15 17:42:24 2019
+++ makefile	Sun Dec 15 17:44:29 2019
@@ -3,9 +3,9 @@
 #--------------------------------
 OBJ=.
 SRC=.
-CPPFLAGS:=$(shell dpkg-buildflags --get CPPFLAGS)
-CFLAGS:=$(shell dpkg-buildflags --get CFLAGS)
-LDFLAGS:=$(shell dpkg-buildflags --get LDFLAGS)
+CPPFLAGS:=$(CPPFLAGS)
+CFLAGS:=$(CFLAGS) -Wall
+LDFLAGS:=$(LDFLAGS)
 
 all: jhead
 
