fix cryptic 'no rule' error when a prerequisite is missing

at the cost of scan_includes running before the rules are actually evaluated
This commit is contained in:
yenatch 2017-12-03 20:46:11 -05:00
parent 7a2a205281
commit ea8aaeb8e3

View File

@ -41,11 +41,6 @@ all: crystal
crystal: pokecrystal.gbc
crystal11: pokecrystal11.gbc
# Build tools when building the rom
ifeq (,$(filter clean tools,$(MAKECMDGOALS)))
Makefile: tools ;
endif
clean:
rm -f $(roms) $(crystal_obj) $(crystal11_obj) $(roms:.gbc=.map) $(roms:.gbc=.sym)
$(MAKE) clean -C tools/
@ -56,14 +51,37 @@ compare: $(roms)
tools:
$(MAKE) -C tools/
%11.o: dep = $(shell tools/scan_includes $(@D)/$*.asm)
%11.o: %.asm $$(dep)
# Prevents $(shell) from filtering out newlines.
define shell2 =
$(foreach line,\
$(shell $1 | sed "s/ /{space}/g"),\
$(info $(shell echo $(line) | sed "s/{space}/ /g")))
endef
# Build tools when building the rom.
# This has to happen before the rules are processed, since that's when scan_includes is run.
ifeq (,$(filter clean tools,$(MAKECMDGOALS)))
$(call shell2, $(MAKE) -C tools/)
endif
# The dep rules have to be explicit or else missing files won't be reported.
# As a side effect, they're evaluated immediately instead of when the rule is invoked.
# It doesn't look like $(shell) can be deferred so there might not be a better way.
define DEP =
$1: $$(shell tools/scan_includes $2)
endef
$(foreach obj, $(crystal11_obj), $(eval $(call DEP,$(obj),$(obj:11.o=.asm))))
$(foreach obj, $(crystal_obj), $(eval $(call DEP,$(obj),$(obj:.o=.asm))))
%11.o: %.asm
$(RGBASM) -D CRYSTAL11 -o $@ $<
%.o: dep = $(shell tools/scan_includes $(@D)/$*.asm)
%.o: %.asm $$(dep)
%.o: %.asm
$(RGBASM) -o $@ $<
pokecrystal11.gbc: $(crystal11_obj) pokecrystal.link
$(RGBLINK) -n pokecrystal11.sym -m pokecrystal11.map -l pokecrystal.link -o $@ $(crystal11_obj)
$(RGBFIX) -Cjv -i BYTE -k 01 -l 0x33 -m 0x10 -n 1 -p 0 -r 3 -t PM_CRYSTAL $@