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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
TOPDIR ?= $(CURDIR)
include $(DEVKITARM)/3ds_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
#---------------------------------------------------------------------------------
TARGET := ntr_payload
BUILD := build
SOURCES := source source/dsp source/jpeg source/ns source/libctru source/dbg
DATA :=
INCLUDES := include include/jpeg
#---------------------------------------------------------------------------------
# options for code generation
#---------------------------------------------------------------------------------
ARCH := -march=armv6k -mtune=mpcore -mfloat-abi=hard -mtp=soft -O3 -mfpu=vfp
CFLAGS := -Wall \
-fomit-frame-pointer -ffunction-sections -fdata-sections \
$(ARCH)
CFLAGS += $(INCLUDE)
ifneq ($(old3ds),TRUE)
CFLAGS += -DHAS_JPEG=1
endif
CXXFLAGS := $(CFLAGS) -fno-rtti -fno-exceptions -std=gnu++11
ASFLAGS := -g $(ARCH)
LDFLAGS = -pie -nostartfiles -T$(TOPDIR)/3ds.ld -g $(ARCH) -Wl,--gc-sections -Wl,-Map,$(notdir $*.map)
LIBS := -lm
#---------------------------------------------------------------------------------
# list of directories containing libraries, this must be the top level containing
# include and lib
#---------------------------------------------------------------------------------
LIBDIRS :=
#---------------------------------------------------------------------------------
# no real need to edit anything past this point unless you need to add additional
# rules for different file extensions
#---------------------------------------------------------------------------------
ifneq ($(BUILD),$(notdir $(CURDIR)))
#---------------------------------------------------------------------------------
export OUTPUT := $(CURDIR)/$(TARGET)
export TOPDIR := $(CURDIR)
export VPATH := $(foreach dir,$(SOURCES),$(CURDIR)/$(dir)) \
$(foreach dir,$(DATA),$(CURDIR)/$(dir))
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)))
SFILES2 := $(foreach dir,$(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_SOURCES := $(CPPFILES:.cpp=.o) $(CFILES:.c=.o) $(SFILES:.s=.o) $(SFILES2:.S=.o)
export OFILES_BIN := $(addsuffix .o,$(BINFILES))
export OFILES := $(OFILES_BIN) $(OFILES_SOURCES)
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)
$(BUILD):
@$(MAKE) -C dexKernel
@[ -d $@ ] || mkdir -p $@
@$(MAKE) --no-print-directory -C $(BUILD) -f $(CURDIR)/Makefile
#---------------------------------------------------------------------------------
clean:
@echo clean ...
@rm -fr $(BUILD) $(TARGET).bin $(TARGET).elf
@$(MAKE) -C dexKernel clean
#---------------------------------------------------------------------------------
else
DEPENDS := $(OFILES:.o=.d)
#---------------------------------------------------------------------------------
# main targets
#---------------------------------------------------------------------------------
$(OUTPUT).bin: $(OUTPUT).elf
@echo "creating $(notdir $@)"
@$(OBJCOPY) -O binary $< $@ -S
$(OUTPUT).elf : $(OFILES)
$(OFILES_SOURCES) : $(HFILES)
#---------------------------------------------------------------------------------
# you need a rule like this for each extension you use as binary data
#---------------------------------------------------------------------------------
%.bin.o %_bin.h : %.bin
#---------------------------------------------------------------------------------
@echo $(notdir $<)
@$(bin2o)
-include $(DEPENDS)
#---------------------------------------------------------------------------------------
endif
#---------------------------------------------------------------------------------------