Add files

Makefile

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