shithub: pokecrystal

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Only generate dependencies for a target when it's invoked.

This means dependencies for unrelated targets aren't generated if you aren't building them. This makes "make clean" and building individual targets fast again.

--- a/Makefile

+++ b/Makefile

@@ -29,11 +29,7 @@

 crystal11_obj := $(crystal_obj:.o=11.o)

-$(foreach obj, $(crystal_obj:.o=), \

-	$(eval $(obj)_dep := $(shell $(includes) $(obj).asm)) \

-)

-

 roms := pokecrystal.gbc

 all: $(roms)

@@ -47,9 +43,15 @@

 	@$(MD5) roms.md5

 %.asm: ;

-$(crystal11_obj): %11.o: %.asm $$(%_dep)

+

+%11.o: dep = $(shell $(includes) $(@D)/$*.asm)

+$(crystal11_obj): %11.o:

+%11.o: %.asm $$(dep)

 	rgbasm -D CRYSTAL11 -o $@ $<

-$(crystal_obj): %.o: %.asm $$(%_dep)

+

+%.o: dep = $(shell $(includes) $(@D)/$*.asm)

+$(crystal_obj): %.o:

+%.o: %.asm $$(dep)

 	rgbasm -o $@ $<

 pokecrystal11.gbc: $(crystal11_obj)