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Makefile
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Makefile
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#---------------------------------------------------------------------------------
.SUFFIXES:
#---------------------------------------------------------------------------------
ifeq ($(strip $(DEVKITARM)),)
$(error "Please set DEVKITARM in your environment. export DEVKITARM=<path to>devkitARM")
endif
include $(DEVKITARM)/ds_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
# DATA is a list of directories containing data files
# INCLUDES is a list of directories containing header files
# SPECS is the directory containing the important build and link files
#---------------------------------------------------------------------------------
export TARGET := $(shell basename $(CURDIR))
BUILD := build
SOURCES := source source/common source/gamecart flashcart_core flashcart_core/devices
DATA := data
INCLUDES := source source/common source/gamecart flashcart_core flashcart_core/devices
#---------------------------------------------------------------------------------
# Setup some defines
#---------------------------------------------------------------------------------
LIBELM := $(CURDIR)/libelm3ds
#---------------------------------------------------------------------------------
# options for code generation
#---------------------------------------------------------------------------------
ARCH := -marm
CFLAGS := -g -O2\
-march=armv5te -mtune=arm946e-s -fomit-frame-pointer\
-ffunction-sections -fdata-sections\
-ffast-math -fdiagnostics-color=always -fno-use-cxa-atexit\
$(ARCH)
CFLAGS += $(INCLUDE) -DARM9 -D_GNU_SOURCE\
-DNTRBOOT_FLASHER_VERSION=\"$(NTRBOOT_FLASHER_VERSION)\"\
-DFLASHCART_CORE_VERSION=\"$(FLASHCART_CORE_VERSION)\"
CXXFLAGS := $(CFLAGS) -fno-rtti -fno-exceptions
ASFLAGS := -g $(ARCH)
LDFLAGS = -g --specs=../stub.specs $(ARCH) -Wl,-Map,$(TARGET).map,--gc-sections
LIBS := -lelm3ds
#---------------------------------------------------------------------------------
# list of directories containing libraries, this must be the top level containing
# include and lib
#---------------------------------------------------------------------------------
LIBDIRS := $(LIBELM) $(PORTLIBS)
#---------------------------------------------------------------------------------
# no real need to edit anything past this point unless you need to add additional
# rules for different file extensions
#---------------------------------------------------------------------------------
ifneq ($(BUILD),$(notdir $(CURDIR)))
#---------------------------------------------------------------------------------
export OUTPUT := $(CURDIR)/$(TARGET)
export VPATH := $(foreach dir,$(SOURCES),$(CURDIR)/$(dir)) \
$(foreach dir,$(DATA),$(CURDIR)/$(dir))
export DEPSDIR := $(CURDIR)/$(BUILD)
export NTRBOOT_FLASHER_VERSION := $(shell git describe --abbrev=4 --dirty --always --tags)
export FLASHCART_CORE_VERSION := $(shell git -C flashcart_core describe --abbrev=4 --dirty --always --tags)
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 $(dir)/*.*)))
#---------------------------------------------------------------------------------
# use CXX for linking C++ projects, CC for standard C
#---------------------------------------------------------------------------------
ifeq ($(strip $(CPPFILES)),)
#---------------------------------------------------------------------------------
export LD := $(CC)
#---------------------------------------------------------------------------------
else
#---------------------------------------------------------------------------------
export LD := $(CXX)
#---------------------------------------------------------------------------------
endif
#---------------------------------------------------------------------------------
export OFILES_BIN := $(addsuffix .o,$(BINFILES))
export OFILES_SRC := $(CPPFILES:.cpp=.o) $(CFILES:.c=.o) $(SFILES:.s=.o)
export OFILES := $(OFILES_BIN) $(OFILES_SRC)
export HFILES := $(addsuffix .h,$(subst .,_,$(BINFILES)))
export INCLUDE := $(foreach dir,$(INCLUDES),-I$(CURDIR)/$(dir)) \
$(foreach dir,$(LIBDIRS),-I$(dir)/include) \
-I$(CURDIR)/$(BUILD)
export LIBPATHS := $(foreach dir,$(LIBDIRS),-L$(dir)/lib)
.PHONY: $(BUILD) clean all
#---------------------------------------------------------------------------------
all: $(BUILD) firm
$(LIBELM)/lib/libelm3ds.a: $(LIBELM)
@$(MAKE) -C $<
$(BUILD): $(LIBELM)/lib/libelm3ds.a
@[ -d $@ ] || mkdir -p $@
@$(MAKE) --no-print-directory -C $(BUILD) -f $(CURDIR)/Makefile
firm: $(BUILD)
@firmtool build $(OUTPUT).firm -n 0x20600000 -e 0 -D $(OUTPUT).bin -A 0x20600000 -C NDMA -i
#---------------------------------------------------------------------------------
clean:
@echo clean ...
@rm -fr $(BUILD) $(TARGET).bin $(TARGET).elf $(TARGET).firm
@$(MAKE) -C $(LIBELM) clean
#---------------------------------------------------------------------------------
else
DEPENDS := $(OFILES:.o=.d)
#---------------------------------------------------------------------------------
# main targets
#---------------------------------------------------------------------------------
$(OUTPUT).bin : $(OUTPUT).elf
$(OUTPUT).elf : $(OFILES)
$(OFILES_SRC) : $(HFILES)
#---------------------------------------------------------------------------------
%.bin: %.elf
@$(OBJCOPY) -O binary $< $@
@echo built ... $(notdir $@)
#---------------------------------------------------------------------------------
%_bin.h %.bin.o : %.bin
#---------------------------------------------------------------------------------
@echo $(notdir $<)
@$(bin2o)
-include $(DEPENDS)
#---------------------------------------------------------------------------------------
endif
#---------------------------------------------------------------------------------------