From: Wesley Aptekar-Cassels <me@wesleyac.com>
Date: Thu, 28 Sep 2023 22:29:32 +0000 (-0400)
Subject: Don't allow building without setting board color.
X-Git-Url: https://git.earman.xyz/?a=commitdiff_plain;h=c28ba6ef0bfc8f76c156b92b5c0acfdf1df13fcf;p=sensor-watch.git

Don't allow building without setting board color.

Fixes: #288
---

diff --git a/make.mk b/make.mk
index a83108b..31189c8 100644
--- a/make.mk
+++ b/make.mk
@@ -207,6 +207,10 @@ ifeq ($(LED), BLUE)
 CFLAGS += -DWATCH_IS_BLUE_BOARD
 endif
 
+ifndef COLOR
+$(error Set the COLOR variable to RED, BLUE, or GREEN depending on what board you have.)
+endif
+
 ifeq ($(COLOR), BLUE)
 CFLAGS += -DWATCH_IS_BLUE_BOARD
 endif