$NetBSD: patch-xen_Makefile,v 1.1 2023/11/21 11:37:03 bouyer Exp $

--- xen/Makefile.orig	2023-10-12 11:25:40.066708313 +0200
+++ xen/Makefile	2023-10-12 11:25:43.774709255 +0200
@@ -1,3 +1,7 @@
+# reset CFLAGS, it accumulates settings from upper level (maybe because it's
+# in $ENV in pkgsrc
+CFLAGS=
+
 # $(lastword,) for GNU Make older than 3.81
 lastword = $(word $(words $(1)),$(1))
 this-makefile := $(call lastword,$(MAKEFILE_LIST))