From 4e6adcddff69fd53ce342ead502a0699cd5f75ba Mon Sep 17 00:00:00 2001
From: Rangi <remy.oukaour+rangi42@gmail.com>
Date: Sun, 5 Jul 2020 14:11:39 -0400
Subject: Use SHA-1, not MD5, for 'make compare'

Fixes #183
---
 Makefile | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

(limited to 'Makefile')

diff --git a/Makefile b/Makefile
index 3e2a6e89..b2ab9f35 100644
--- a/Makefile
+++ b/Makefile
@@ -17,7 +17,11 @@ pokeblue_obj := $(rom_obj:.o=_blue.o)
 
 ### Build tools
 
-MD5 := md5sum -c
+ifeq (,$(shell which sha1sum))
+SHA1 := shasum
+else
+SHA1 := sha1sum
+endif
 
 RGBDS ?=
 RGBASM  ?= $(RGBDS)rgbasm
@@ -47,9 +51,8 @@ tidy:
 	rm -f $(roms) $(pokered_obj) $(pokeblue_obj) $(roms:.gbc=.map) $(roms:.gbc=.sym) rgbdscheck.o
 	$(MAKE) clean -C tools/
 
-# For contributors to make sure a change didn't affect the original contents of the ROMs.
 compare: $(roms)
-	@$(MD5) roms.md5
+	@$(SHA1) -c roms.sha1
 
 tools:
 	$(MAKE) -C tools/
-- 
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