Remove baserom.gbc dependency. We made it!

1 files changed, 9 insertions, 10 deletions

diff --git a/Makefile b/Makefile
index 43d9a51..3cb79c0 100755
--- a/Makefile
+++ b/Makefile
@@ -5,19 +5,20 @@
 .SECONDEXPANSION:
 
 # Build Pokemon Pinball.
-ROMS := pokepinball.gbc
+ROM := pokepinball.gbc
 OBJS := main.o wram.o sram.o
 
 # If your default python is 3, you may want to change this to python27.
 PYTHON := python
 PRET := pokemon-reverse-engineering-tools/pokemontools
+MD5 := md5sum -c --quiet
 
 $(foreach obj, $(OBJS), \
 	$(eval $(obj:.o=)_dep := $(shell $(PYTHON) $(PRET)/scan_includes.py $(obj:.o=.asm))) \
 )
 
 # Link objects together to build a rom.
-all: $(ROMS) compare
+all: $(ROM) compare
 
 # Assemble source files into objects.
 # Use rgbasm -h to use halts without nops.
@@ -27,19 +28,17 @@ $(OBJS): $$*.asm $$($$*_dep)
 	@$(PYTHON) $(PRET)/pcm.py pcm $(pcmq)
 	rgbasm -h -o $@ $<
 
-$(ROMS): $(OBJS)
-	rgblink -n $(ROMS:.gbc=.sym) -m $(ROMS:.gbc=.map) -o $@ $^
+$(ROM): $(OBJS)
+	rgblink -n $(ROM:.gbc=.sym) -m $(ROM:.gbc=.map) -o $@ $^
 	rgbfix -jsvc -k 01 -l 0x33 -m 0x1e -p 0 -r 02 -t "POKEPINBALL" -i VPHE $@
 
-# The compare target is a shortcut to check that the build matches the original roms exactly.
-# This is for contributors to make sure a change didn't affect the contents of the rom.
-# More thorough comparison can be made by diffing the output of hexdump -C against both roms.
-compare: $(ROMS) baserom.gbc
-	cmp $^
+# For contributors to make sure a change didn't affect the contents of the rom.
+compare: $(ROM)
+	@$(MD5) rom.md5
 
 # Remove files generated by the build process.
 tidy:
-	rm -f $(ROMS) $(OBJS) $(ROMS:.gbc=.sym)
+	rm -f $(ROM) $(OBJS) $(ROM:.gbc=.sym)
 
 clean: tidy
 	find . \( -iname '*.1bpp' -o -iname '*.2bpp' -o -iname '*.pcm' \) -exec rm {} +