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Makefile
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Makefile
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#
# A Makefile that compiles all .c and .s files in "src" and "res"
# subdirectories and places the output in a "obj" subdirectory
#
# If you move this project you can change the directory
# to match your GBDK root directory (ex: GBDK_HOME = "C:/GBDK/"
GBDK_HOME = ../../../
LCC = $(GBDK_HOME)bin/lcc
PNG2ASSET = $(GBDK_HOME)bin/png2asset
# You can set flags for LCC here
# For example, you can uncomment the line below to turn on debug output
# LCCFLAGS += -debug
# Add directory where image gets converted into (obj/)
# So they can be included with "#include <res/somefile.h>"
LCCFLAGS += -I$(OBJDIR)
# Make the ROM CGB compatible (but not exclusive)
LCCFLAGS += -Wm-yc
# You can set the name of the .gb ROM file here
PROJECTNAME = apa_image
SRCDIR = src
OBJDIR = obj
RESOBJSRC = obj/res
RESDIR = res
MKDIRS = $(OBJDIR) $(BINDIR) $(RESOBJSRC) # See bottom of Makefile for directory auto-creation
BINS = $(OBJDIR)/$(PROJECTNAME).gb
# For png2asset: converting source pngs -> .c -> .o
IMGPNGS = $(foreach dir,$(RESDIR),$(notdir $(wildcard $(dir)/*.png)))
IMGSOURCES = $(IMGPNGS:%.png=$(RESOBJSRC)/%.c)
IMGOBJS = $(IMGSOURCES:$(RESOBJSRC)/%.c=$(OBJDIR)/%.o)
CSOURCES = $(foreach dir,$(SRCDIR),$(notdir $(wildcard $(dir)/*.c))) $(foreach dir,$(RESDIR),$(notdir $(wildcard $(dir)/*.c)))
ASMSOURCES = $(foreach dir,$(SRCDIR),$(notdir $(wildcard $(dir)/*.s)))
OBJS = $(CSOURCES:%.c=$(OBJDIR)/%.o) $(ASMSOURCES:%.s=$(OBJDIR)/%.o)
all: $(BINS)
compile.bat: Makefile
@echo "REM Automatically generated from Makefile" > compile.bat
@make -sn | sed y/\\//\\\\/ | grep -v make >> compile.bat
# Use png2asset to convert the png into C formatted metasprite data
# -keep_duplicate_tiles : Don't remove duplicate tiles
# -map : Use "map style" output, not metasprite
# -tiles_only : Only keep tiles, no map (since APA mode expects tiles in linear order)
# -bpp 2 : Use 2bpp output
# -c ... : Set C output file
# Convert metasprite .pngs in res/ -> .c files in obj/<platform ext>/src/
$(RESOBJSRC)/%.c: $(RESDIR)/%.png
$(PNG2ASSET) $< -keep_duplicate_tiles -map -bpp2 -tiles_only -c $@
# Compile the pngs that were converted to .c files
# .c files in obj/res/ -> .o files in obj/
$(OBJDIR)/%.o: $(RESOBJSRC)/%.c
$(LCC) $(CFLAGS) -c -o $@ $<
# Compile .c files in "src/" to .o object files
$(OBJDIR)/%.o: $(SRCDIR)/%.c
$(LCC) $(LCCFLAGS) -c -o $@ $<
# Compile .c files in "res/" to .o object files
$(OBJDIR)/%.o: $(RESDIR)/%.c
$(LCC) $(CFLAGS) -c -o $@ $<
# Compile .s assembly files in "src/" to .o object files
$(OBJDIR)/%.o: $(SRCDIR)/%.s
$(LCC) $(LCCFLAGS) -c -o $@ $<
# If needed, compile .c files in "src/" to .s assembly files
# (not required if .c is compiled directly to .o)
$(OBJDIR)/%.s: $(SRCDIR)/%.c
$(LCC) $(LCCFLAGS) -S -o $@ $<
# Convert images first so they're available when compiling the main sources
$(OBJS): $(IMGOBJS)
# Link the compiled object files into a .gb ROM file
$(BINS): $(OBJS)
$(LCC) $(LCCFLAGS) -o $(BINS) $(IMGOBJS) $(OBJS)
clean:
rm -f $(OBJDIR)/*.*
rm -f $(RESOBJSRC)/*.*
# create necessary directories after Makefile is parsed but before build
# info prevents the command from being pasted into the makefile
$(info $(shell mkdir -p $(MKDIRS)))