From 2056d4d5e0f0984dcc92294a5c01cbd0353c9f36 Mon Sep 17 00:00:00 2001
From: Tim Crawford <tcrawford@system76.com>
Date: Fri, 13 Jan 2023 13:11:23 -0700
Subject: [PATCH] make: Disable built-in rules and variables

Signed-off-by: Tim Crawford <tcrawford@system76.com>
---
 Makefile | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Makefile b/Makefile
index 6b70704..debdd3e 100644
--- a/Makefile
+++ b/Makefile
@@ -2,6 +2,9 @@
 
 -include config.mk
 
+# Disable built-in rules and variables
+MAKEFLAGS += -rR
+
 # Parameter for current board
 ifeq ($(BOARD),)
 all: