c-gba-example/Makefile

209 lines
7.7 KiB
Makefile

#---------------------------------------------------------------------------------
.SUFFIXES:
#---------------------------------------------------------------------------------
ifeq ($(strip $(DEVKITARM)),)
$(error "Please set DEVKITARM in your environment. export DEVKITARM=<path to>devkitARM")
endif
include $(DEVKITARM)/gba_rules
#---------------------------------------------------------------------------------
# TARGET is the name of the output
# BUILD is the directory where object files & intermediate files will be placed
# SOURCES is a list of directories containing source code
# INCLUDES is a list of directories containing extra header files
# DATA is a list of directories containing binary data
# GRAPHICS is a list of directories containing files to be processed by grit
#
# All directories are specified relative to the project directory where
# the makefile is found
#
#---------------------------------------------------------------------------------
TARGET := $(notdir $(CURDIR))
BUILD := build
SOURCES := source
INCLUDES := include
DATA := data
SOUND := sound
GRAPHICS := graphics
GENERATED := generated
#---------------------------------------------------------------------------------
# options for code generation
#---------------------------------------------------------------------------------
ARCH := -mthumb -mthumb-interwork
CFLAGS := -g -Wall -O2\
-mcpu=arm7tdmi -mtune=arm7tdmi\
$(ARCH)
CFLAGS += $(INCLUDE)
CXXFLAGS := $(CFLAGS) -fno-rtti -fno-exceptions
ASFLAGS := -g $(ARCH)
LDFLAGS = -g $(ARCH) -Wl,-Map,$(notdir $*.map)
#---------------------------------------------------------------------------------
# any extra libraries we wish to link with the project
#---------------------------------------------------------------------------------
LIBS := -lmm -lgba
#---------------------------------------------------------------------------------
# list of directories containing libraries, this must be the top level containing
# include and lib
#---------------------------------------------------------------------------------
LIBDIRS := $(LIBGBA)
#---------------------------------------------------------------------------------
# no real need to edit anything past this point unless you need to add additional
# rules for different file extensions
#---------------------------------------------------------------------------------
ifneq ($(BUILD),$(notdir $(CURDIR)))
#---------------------------------------------------------------------------------
export OUTPUT := $(CURDIR)/$(TARGET)
export VPATH := $(foreach dir,$(SOURCES),$(CURDIR)/$(dir)) \
$(foreach dir,$(DATA),$(CURDIR)/$(dir)) \
$(foreach dir,$(GRAPHICS),$(CURDIR)/$(dir)) \
$(CURDIR)/$(GENERATED)
export DEPSDIR := $(CURDIR)/$(BUILD)
CFILES := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.c)))
CPPFILES := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.cpp)))
SFILES := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.s)))
BINFILES := $(foreach dir,$(DATA),$(notdir $(wildcard $(dir)/*.*)))
ifneq ($(strip $(SOUND)),)
export MODFILES := $(foreach dir,$(notdir $(wildcard $(SOUND)/*.mod)),$(CURDIR)/$(SOUND)/$(dir))
export SFXFILES := $(foreach dir,$(notdir $(wildcard $(SOUND)/*.wav)),$(CURDIR)/$(SOUND)/$(dir))
BINFILES += soundbank.bin
endif
ifneq ($(strip $(GRAPHICS)),)
export GRAPHICSFILES := $(foreach dir,$(notdir $(wildcard $(GRAPHICS)/*.png)),$(CURDIR)/$(GRAPHICS)/$(dir))
endif
# Add generated bin files if they exist
ifneq ($(wildcard $(GENERATED)/*.bin),)
BINFILES += $(notdir $(wildcard $(GENERATED)/*.bin))
endif
#---------------------------------------------------------------------------------
# use CXX for linking C++ projects, CC for standard C
#---------------------------------------------------------------------------------
ifeq ($(strip $(CPPFILES)),)
#---------------------------------------------------------------------------------
export LD := $(CC)
#---------------------------------------------------------------------------------
else
#---------------------------------------------------------------------------------
export LD := $(CXX)
#---------------------------------------------------------------------------------
endif
#---------------------------------------------------------------------------------
export OFILES_BIN := $(addsuffix .o,$(BINFILES))
export OFILES_SOURCES := $(CPPFILES:.cpp=.o) $(CFILES:.c=.o) $(SFILES:.s=.o)
export OFILES := $(OFILES_BIN) $(OFILES_SOURCES)
export HFILES := $(addsuffix .h,$(subst .,_,$(BINFILES)))
export INCLUDE := $(foreach dir,$(INCLUDES),-iquote $(CURDIR)/$(dir)) \
$(foreach dir,$(LIBDIRS),-I$(dir)/include) \
-I$(CURDIR)/$(BUILD)
export LIBPATHS := $(foreach dir,$(LIBDIRS),-L$(dir)/lib)
.PHONY: $(BUILD) clean process-images process-binaries
#---------------------------------------------------------------------------------
$(BUILD): process-images process-binaries
@[ -d $(BUILD) ] || mkdir -p $(BUILD)
@cp $(SOURCES)/*.h $(BUILD)/ 2>/dev/null || true
@$(MAKE) --no-print-directory -C $(BUILD) -f $(CURDIR)/Makefile
#---------------------------------------------------------------------------------
clean:
@echo clean ...
@rm -fr $(BUILD) $(TARGET).elf $(TARGET).gba
process-images: $(GRAPHICSFILES)
@[ -d $(GENERATED) ] || mkdir -p $(GENERATED)
@echo "Processing ALL images"
@for img in $^; do \
depth=$$(magick identify -format "%[depth]" $$img); \
base=$$(basename $$img .png); \
if [ "$$depth" = "8" ]; then \
$(MAKE) $${base}_8.bin; \
else \
echo "Processing image $$base with depth $$depth"; \
$(MAKE) $${base}_16.bin; \
fi \
done
# Rule for 8-bit images
%_8.bin %_8.h: %.png
@echo "Processing 8-bit image $<"
@if [ "$$(magick identify -format '%k' $<)" -ne 256 ]; then \
echo " Quantizing to 256 colors..."; \
magick $< -colors 256 -depth 8 -type Palette $(GENERATED)/$*_8.temp.png; \
else \
echo " Already quantized, using as-is..."; \
cp $< $(GENERATED)/$*_8.temp.png; \
fi
@grit $(GENERATED)/$*_8.temp.png -gb -gB8 -p -ftb -o $(GENERATED)/$*_8
@rm $(GENERATED)/$*_8.temp.png
# Rule for 16-bit images
%_16.bin %_16.h: %.png
@echo "Processing 16-bit image $<"
@grit $< -gb -gB16 -ftb -o $(GENERATED)/$*_16
#---------------------------------------------------------------------------------
else
#---------------------------------------------------------------------------------
# main targets
#---------------------------------------------------------------------------------
$(OUTPUT).gba : $(OUTPUT).elf
$(OUTPUT).elf : $(OFILES)
$(OFILES_SOURCES) : $(HFILES)
#---------------------------------------------------------------------------------
# The bin2o rule should be copied and modified
# for each extension used in the data directories
#---------------------------------------------------------------------------------
#---------------------------------------------------------------------------------
# rule to build soundbank from music files
#---------------------------------------------------------------------------------
soundbank.bin soundbank.h : $(MODFILES) $(SFXFILES)
#---------------------------------------------------------------------------------
@echo "Generating soundbank..."
@mmutil $^ -osoundbank.bin -hsoundbank.h
#---------------------------------------------------------------------------------
# This rule links in binary data with the .bin extension
#---------------------------------------------------------------------------------
%.bin.o %_bin.h : %.bin
#---------------------------------------------------------------------------------
@echo $(notdir $<)
@$(bin2o)
-include $(DEPSDIR)/*.d
#---------------------------------------------------------------------------------------
endif
#---------------------------------------------------------------------------------------