From 4c0dc6ad0446d03c39940430e39c383038de9393 Mon Sep 17 00:00:00 2001
From: Cory McWilliams <cory@unprompted.com>
Date: Sun, 21 Aug 2022 17:17:23 +0000
Subject: [PATCH] Tried to take a few pointers from
 https://tech.davis-hansson.com/p/make/.

git-svn-id: https://www.unprompted.com/svn/projects/tildefriends/trunk@3968 ed5197a5-7fde-0310-b194-c3ffbd925b24
---
 Makefile | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Makefile b/Makefile
index bb613e73..18e903b4 100644
--- a/Makefile
+++ b/Makefile
@@ -1,3 +1,8 @@
+.ONESHELL:
+.DELETE_ON_ERROR:
+MAKEFLAGS += --warn-undefined-variables
+MAKEFLAGS += --no-builtin-rules
+
 PROJECT = tildefriends
 BUILD_DIR ?= out
 BUILD_TYPES := debug release windebug winrelease