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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 := $(notdir $(CURDIR))
BUILD := build
SOURCES := source source/3ds source/am
INCLUDES := include include/3ds source/am
#---------------------------------------------------------------------------------
# options for code generation
#---------------------------------------------------------------------------------
ARCH := -march=armv6k -mtune=mpcore -mfloat-abi=hard -mtp=soft
DEFINES :=
CFLAGS := -std=gnu11 -Wall -Wextra -Werror -Wno-unused-value -flto -mword-relocations \
-fomit-frame-pointer -ffunction-sections -fdata-sections \
-fno-exceptions -fno-ident -fno-unwind-tables -fno-asynchronous-unwind-tables \
-fno-tree-loop-distribute-patterns -fshort-wchar \
$(ARCH) $(DEFINES) $(INCLUDE)
ASFLAGS := $(ARCH)
LDFLAGS = -specs=3dsx.specs -nostartfiles -nostdlib \
$(ARCH) -Wl,-Map,$(notdir $*.map)
RSF = $(OUTPUT)_debug.rsf
ifneq ($(DEBUG),)
CFLAGS += -g -O0
else
CFLAGS += -Os
endif
ifneq ($(REPLACE_AM),)
CFLAGS += -DREPLACE_AM
RSF = $(OUTPUT).rsf
endif
ifneq ($(DEBUG_PRINTS),)
CFLAGS += -DDEBUG_PRINTS
endif
LIBS :=
#---------------------------------------------------------------------------------
# list of directories containing libraries, this must be the top level containing
# include and lib
#---------------------------------------------------------------------------------
LIBDIRS := $(TOPDIR)
#---------------------------------------------------------------------------------
# no real need to edit anything past this point unless you need to add additional
# rules for different file extensions
#---------------------------------------------------------------------------------
ifneq ($(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)))
SFILES := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.s)))
BINFILES := $(foreach dir,$(DATA),$(notdir $(wildcard $(dir)/*.*)))
# we don't use C++ here
export LD := $(CC)
export OFILES_BIN := $(addsuffix .o,$(BINFILES))
export OFILES_SRC := $(CFILES:.c=.o) $(SFILES:.s=.o)
export OFILES := $(OFILES_BIN) $(OFILES_SRC)
export HFILES_BIN := $(addsuffix .h,$(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):
@[ -d $@ ] || mkdir -p $@
@$(MAKE) --no-print-directory -C $(BUILD) -f $(CURDIR)/Makefile
#---------------------------------------------------------------------------------
clean:
@echo clean ...
@rm -fr $(BUILD) $(TARGET).cxi $(TARGET).elf
#---------------------------------------------------------------------------------
else
.PHONY: all
DEPENDS := $(OFILES:.o=.d)
#---------------------------------------------------------------------------------
# main targets
#---------------------------------------------------------------------------------
all : $(OUTPUT).cia
$(OUTPUT).cia : $(OUTPUT).cxi
@makerom -f cia -o $(OUTPUT).cia -ver 10245 -i $(OUTPUT).cxi:0:0 -ignoresign -v
@echo built ... $(notdir $@)
$(OUTPUT).cxi : $(OUTPUT).elf $(RSF)
ifeq ($(DEBUG),)
arm-none-eabi-strip $(OUTPUT).elf
endif
@makerom -f ncch -rsf $(word 2,$^) -o $@ -elf $(OUTPUT).elf -target t -ignoresign
@echo built ... $(notdir $@)
$(OUTPUT).elf : $(OFILES)
$(OFILES_SRC) : $(HFILES_BIN)
#---------------------------------------------------------------------------------
# you need a rule like this for each extension you use as binary data
#---------------------------------------------------------------------------------
%.bin.o %_bin.h: %.bin
#---------------------------------------------------------------------------------
@echo $(notdir $<)
@$(bin2o)
#---------------------------------------------------------------------------------
%.xml.o %_xml.h: %.xml
#---------------------------------------------------------------------------------
@echo $(notdir $<)
@$(bin2o)
-include $(DEPENDS)
#---------------------------------------------------------------------------------------
endif
#---------------------------------------------------------------------------------------