102 lines
3.4 KiB
Makefile
102 lines
3.4 KiB
Makefile
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.SUFFIXES:
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.DEFAULTTARGET: all
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include Makefile.conf
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# Directory constants
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SRCDIR = src
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BINDIR = bin
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OBJDIR = obj
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DEPSDIR = deps
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ROMFILE = $(BINDIR)/$(ROMName).$(ROMExt)
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# Program constants
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RGBASM = rgbasm
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RGBLINK = rgblink
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RGBFIX = rgbfix
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# Argument constants
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ASFLAGS += -E -h -i $(SRCDIR)/ -i $(SRCDIR)/constants/ -i $(SRCDIR)/macros/ -p $(FillValue)
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LDFLAGS += -p $(FillValue)
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FXFLAGS += -jv -i $(GameID) -k $(NewLicensee) -l $(OldLicensee) -m $(MBCType) -n $(ROMVersion) -p $(FillValue) -r $(SRAMSize) -t $(GameTitle)
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# The list of "root" ASM files that RGBASM will be invoked on
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ASMFILES := $(wildcard $(SRCDIR)/*.asm)
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# `all` (Default target): build the ROM
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.PHONY: all
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all: $(ROMFILE)
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# `clean`: Clean temp and bin files
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.PHONY: clean
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CLEANTARGETS := $(BINDIR) $(DEPSDIR) $(OBJDIR) $(SRCDIR)/res/build.date dummy # The list of things that must be cleared; expanded by the resource Makefiles
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clean:
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-rm -rf $(CLEANTARGETS)
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# `rebuild`: Build everything from scratch
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.PHONY: rebuild
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rebuild:
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$(MAKE) clean
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$(MAKE) all
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# Define how to compress files (same recipe for any file)
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%.pb16: %
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src/tools/pb16.py $< $@
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# Include all resource Makefiles
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include $(wildcard $(SRCDIR)/res/*/Makefile)
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# `dummy` is a dummy target to build the resource files necessary for RGBASM to not fail on compilation
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# It's made an actual file to avoid an infinite compilation loop
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# INITTARGETS is defined by the resource Makefiles
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dummy: $(INITTARGETS)
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@echo "THIS FILE ENSURES THAT COMPILATION GOES RIGHT THE FIRST TIME, DO NOT DELETE" > $@
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# `.d` files are generated as dependency lists of the "root" ASM files, to save a lot of hassle.
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# > Deps files also depend on `dummy` to ensure all the binary files are present, so RGBASM doesn't choke on them not being present;
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# > This would cause the first compilation to never finish, thus Make never knows to build the binary files, thus deadlocking everything.
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$(DEPSDIR)/%.d: $(SRCDIR)/%.asm dummy
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@echo Building deps file $@
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@mkdir -p $(DEPSDIR)
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@mkdir -p $(OBJDIR)
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@set -e
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@# Generate dependency file (side effect: also compiles!)
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@# Output to a different file to not overwrite the old one on compilation failure (Make would think the compilation succeeded the next time)
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$(RGBASM) -M $(@D)/tmp.d $(ASFLAGS) -o $(patsubst $(SRCDIR)/%.asm,$(OBJDIR)/%.o,$<) $<
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@# Add all obj dependencies to the deps file too, so Make knows to remake it
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@sed 's,\($*\)\.o[ :]*,\1.o $@: ,g' < $(DEPSDIR)/tmp.d > $@
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@rm $(DEPSDIR)/tmp.d
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# Include (and potentially remake) all dependency files
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include $(patsubst $(SRCDIR)/%.asm,$(DEPSDIR)/%.d,$(ASMFILES))
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# How to make the ROM
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$(ROMFILE): $(patsubst $(SRCDIR)/%.asm,$(OBJDIR)/%.o,$(ASMFILES))
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@mkdir -p $(BINDIR)
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@# Generate build date
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date +"%FT%H:%M:%S" > $(SRCDIR)/res/build.date
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$(RGBASM) $(ASFLAGS) -o $(OBJDIR)/build_date.o $(SRCDIR)/res/build_date.asm
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$(RGBLINK) $(LDFLAGS) -o $(BINDIR)/tmp.gb -m $(@:.$(ROMExt)=.map) -n $(@:.$(ROMExt)=.sym) $^ $(OBJDIR)/build_date.o
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@# This pass does NOT fix the ROM checksum, to work around a RGBFIX bug. And because it's unnecessary.
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$(RGBFIX) $(FXFLAGS) $(BINDIR)/tmp.gb
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mv $(BINDIR)/tmp.gb $@
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# How to make the objects files
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# (Just in case; since generating the deps files also generates the OBJ files, this should not be run ever, unless the OBJ files are destroyed but the deps files aren't.)
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$(OBJDIR)/%.o: $(SRCDIR)/%.asm
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@mkdir -p $(OBJDIR)
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$(RGBASM) $(ASFLAGS) -o $@ $<
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