Makefile

#---------------------------------------------------------------------------------
.SUFFIXES:
#---------------------------------------------------------------------------------

ifeq ($(strip $(DEVKITARM)),)
$(error "Please set DEVKITARM in your environment. export DEVKITARM=<path to>devkitARM")
endif

# the find command is taken from windows and not from msys in visual studio
ifeq ($(OS),Windows_NT)
FIND := $(DEVKITPRO)/msys2/usr/bin/find
else
FIND := find
endif

#---------------------------------------------------------------------------------
# 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
# AUDIO is a list of directories containing sound and music files
# GRAPHICS is a list of directories containing files to be processed by grit
# NITRODATA is where the nitro files (stored in rom) are at
#
# All directories are specified relative to the project directory where
# the makefile is found
#
#---------------------------------------------------------------------------------
TARGET := bin/$(notdir $(CURDIR))
BUILD := build
SOURCES := source
DATA := data
INCLUDES := include
GRAPHICS := $(sort $(dir $(wildcard gfx/*/)))
AUDIO := audio
NITRODATA := nitrofiles
SCRIPTS := scripts

# git commit
GIT_COMMIT := $(shell git log -1 --format=%h)

# git message
GIT_MESSAGE := '"$(shell git log -1 --format=%s)"'

# external library stuff
LIBRARIES := $(wildcard lib/*)
LIBSOURCES := $(patsubst lib/%,lib/%/source,$(LIBRARIES))
LIBINCLUDES := $(patsubst lib/%,lib/%/include,$(LIBRARIES))

# add library folders
SOURCES += $(LIBSOURCES)
INCLUDES += $(LIBINCLUDES)

CURDIR_BASENAME := $(shell basename $(CURDIR))

# get version from game.ver
ifeq ($(CURDIR_BASENAME),build)
VERSION_MAJOR  := $(shell sed '1!d' ../$(NITRODATA)/game.ver)
VERSION_MINOR  := $(shell sed '2!d' ../$(NITRODATA)/game.ver)
VERSION_PATCH  := $(shell sed '3!d' ../$(NITRODATA)/game.ver)
VERSION_PREFIX := $(shell sed '4!d' ../$(NITRODATA)/game.ver)
else
VERSION_MAJOR  := $(shell sed '1!d' $(NITRODATA)/game.ver)
VERSION_MINOR  := $(shell sed '2!d' $(NITRODATA)/game.ver)
VERSION_PATCH  := $(shell sed '3!d' $(NITRODATA)/game.ver)
VERSION_PREFIX := $(shell sed '4!d' $(NITRODATA)/game.ver)
endif

# icon, title and subtitles
GAME_ICON      := ../icon.bmp
GAME_TITLE     := DS-Craft
GAME_SUBTITLE1 := Minecraft demake for Nintendo DS
ifeq ($(strip $(VERSION_PATCH)),0)
GAME_SUBTITLE2 := Version $(VERSION_PREFIX)$(VERSION_MAJOR).$(VERSION_MINOR)
else
GAME_SUBTITLE2 := Version $(VERSION_PREFIX)$(VERSION_MAJOR).$(VERSION_MINOR).$(VERSION_PATCH)
endif

# soundbank
ifeq ($(CURDIR_BASENAME),build)
SOUNDBANK := ../$(NITRODATA)/soundbank.bin
else
SOUNDBANK := $(NITRODATA)/soundbank.bin
endif

# check if DEVKITPRO environment variable is set
ifeq ($(strip $(DEVKITPRO)),)
$(error "Please set DEVKITPRO in your environment. export DEVKITPRO=<path to>devkitPro)
endif

include $(DEVKITARM)/base_rules

PORTLIBS	:=	$(PORTLIBS_PATH)/nds $(PORTLIBS_PATH)/armv5te
LIBNDS		:=	$(DEVKITPRO)/libnds

# default title
ifeq ($(strip $(GAME_TITLE)),)
GAME_TITLE := $(notdir $(OUTPUT))
endif

# default 1st subtitle
ifeq ($(strip $(GAME_SUBTITLE1)),)
GAME_SUBTITLE1 := built with devkitARM
endif

# default 2nd subtitle
ifeq ($(strip $(GAME_SUBTITLE2)),)
GAME_SUBTITLE2 := http://devkitpro.org
endif

# default icon
ifeq ($(strip $(GAME_ICON)),)
GAME_ICON := $(LIBNDS)/icon.bmp
endif

# add NitroFS if we specified where NitroFS files are
ifneq ($(strip $(NITRO_FILES)),)
_ADDFILES	:=	-d $(NITRO_FILES)
endif

#---------------------------------------------------------------------------------
%.nds: %.arm9
	$(SILENTCMD)ndstool -c $@ -9 $< -b $(GAME_ICON) "$(GAME_TITLE);$(GAME_SUBTITLE1);$(GAME_SUBTITLE2)" $(_ADDFILES)
	@echo built $(notdir $@)

#---------------------------------------------------------------------------------
%.nds: %.elf
	$(SILENTCMD)ndstool -c $@ -9 $< -b $(GAME_ICON) "$(GAME_TITLE);$(GAME_SUBTITLE1);$(GAME_SUBTITLE2)" $(_ADDFILES)
	$(SILENTMSG) built $(notdir $@)

#---------------------------------------------------------------------------------
%.arm9: %.elf
	$(SILENTCMD)$(OBJCOPY) -O binary $< $@
	$(SILENTMSG) built $(notdir $@)

#---------------------------------------------------------------------------------
%.arm7: %.elf
	$(SILENTCMD)$(OBJCOPY) -O binary $< $@
	$(SILENTMSG) built $(notdir $@)

#---------------------------------------------------------------------------------
%.elf: $(SOUNDBANK)
	$(SILENTMSG) linking $(notdir $@)
	$(SILENTCMD)$(LD) $(LDFLAGS) $(OFILES) $(LIBPATHS) $(LIBS) -o $@

#---------------------------------------------------------------------------------
# options for code generation
#---------------------------------------------------------------------------------
ARCH		:=	-mthumb -mthumb-interwork -march=armv5te -mtune=arm946e-s

CFLAGS	:=	-g -Wall -Wextra \
				-O2 -Os\
			-march=armv5te -mtune=arm946e-s \
			$(ARCH) \
			-fomit-frame-pointer\
			-ffast-math

CFLAGS	+=	$(INCLUDE) -DARM9 -DGIT_COMMIT=\"$(GIT_COMMIT)\" -DGIT_MESSAGE=$(GIT_MESSAGE) -D_GNU_SOURCE
CXXFLAGS	:=	$(CFLAGS) -fno-rtti -fno-exceptions -Weffc++

ASFLAGS	:=	-g $(ARCH)
LDFLAGS	=	-specs=ds_arm9.specs -g $(ARCH) -Wl,-Map,$(notdir $*.map)

#---------------------------------------------------------------------------------
# any extra libraries we wish to link with the project
#---------------------------------------------------------------------------------
LIBS	:= -lmm9 -lfat -lnds9 -lfilesystem -lnds9d


#---------------------------------------------------------------------------------
# list of directories containing libraries, this must be the top level containing
# include and lib
#---------------------------------------------------------------------------------
LIBDIRS	:=	$(LIBNDS)

#---------------------------------------------------------------------------------
# no real need to edit anything past this point unless you need to add additional
# rules for different file extensions
#---------------------------------------------------------------------------------


ifneq ($(BUILDDIR),$(CURDIR))
#---------------------------------------------------------------------------------
export TOPDIR   :=  $(CURDIR)
export OUTPUT	:=	$(CURDIR)/$(TARGET)

export VPATH	:=	$(foreach dir,$(SOURCES),$(CURDIR)/$(dir)) \
					$(foreach dir,$(DATA),$(CURDIR)/$(dir)) \
					$(foreach dir,$(GRAPHICS),$(CURDIR)/$(dir))

export DEPSDIR	:=	$(CURDIR)/$(BUILD)

ifneq ($(strip $(NITRODATA)),)
	export NITRO_FILES  :=  $(CURDIR)/$(NITRODATA)
endif

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)/*.*)))
BMPFILES	:=	$(foreach dir,$(GRAPHICS),$(notdir $(wildcard $(dir)/*.bmp)))
PNGFILES	:=	$(foreach dir,$(GRAPHICS),$(notdir $(wildcard $(dir)/*.png)))

export AUDIOFILES := $(foreach dir,$(notdir $(wildcard $(AUDIO)/*.wav)),$(CURDIR)/$(AUDIO)/$(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)

export OFILES := $(PNGFILES:.png=.o) $(BMPFILES:.bmp=.o) $(OFILES_BIN) $(OFILES_SOURCES)

export HFILES := $(PNGFILES:.png=.h) $(BMPFILES:.bmp=.h) $(addsuffix .h,$(subst .,_,$(BINFILES)))

export INCLUDE	:=	$(foreach dir,$(INCLUDES),-iquote $(CURDIR)/$(dir)) \
					$(foreach dir,$(LIBDIRS),-isystem $(dir)/include) \
					-I$(CURDIR)/$(BUILD) -Iinclude

export LIBPATHS	:=	$(foreach dir,$(LIBDIRS),-L$(dir)/lib)

.PHONY: $(BUILD) clean run

#---------------------------------------------------------------------------------
$(BUILD):
	@[ -d $@ ] || mkdir -p $@
	@[ -d bin ] || mkdir -p bin
	@$(MAKE) BUILDDIR=`cd $(BUILD) && pwd` --no-print-directory -C $(BUILD) -f $(CURDIR)/Makefile

#---------------------------------------------------------------------------------
clean:
	$(SILENTMSG) cleaning...
	$(SILENTCMD)rm -fr $(BUILD) $(TARGET).elf $(TARGET).nds $(SOUNDBANK) $(TOPDIR)/include/images.h

#---------------------------------------------------------------------------------
run:
	@if [ -z "$(EMULATOR)" ]; then echo >&2 "Please specify the emulator."; exit 1; fi
	@command -v $(EMULATOR) >/dev/null 2>&1 || { echo >&2 "Emulator $(EMULATOR) not found. Please install it or set the correct path."; exit 1; }
	$(SILENTMSG) running $(TARGET).nds using $(EMULATOR)
	$(SILENTCMD)$(EMULATOR) $(TARGET).nds

#---------------------------------------------------------------------------------
else

DEPENDS	:=	$(OFILES:.o=.d)

#---------------------------------------------------------------------------------
# main targets
#---------------------------------------------------------------------------------
$(OUTPUT).nds	: 	$(OUTPUT).elf
$(OUTPUT).nds   :   $(shell $(FIND) ../$(NITRODATA))
$(OUTPUT).elf	:	../include/images.h $(SOUNDBANK) $(OFILES)

# get python executable
ifeq ($(OS),Windows_NT)
PYTHON := python
else
PYTHON := python3
endif

PYTHON_VERSION_MIN := 3.0
PYTHON_VERSION_CUR := $(shell $(PYTHON) -c 'import sys; print("%d.%d"% sys.version_info[0:2])')
PYTHON_VERSION_OK := $(shell $(PYTHON) -c 'import sys; cur_ver = sys.version_info[0:2]; min_ver = tuple(map(int, "$(PYTHON_VERSION_MIN)".split("."))); print(int(cur_ver >= min_ver))')
ifeq ($(PYTHON_VERSION_OK), 0)
	$(error "Python version $(PYTHON_VERSION_MIN) or newer is required. Current version is $(PYTHON_VERSION_CUR).")
endif

../include/images.h: $(shell $(FIND) ../gfx/* -name *.png) $(shell $(FIND) ../gfx/* -name *.bmp)
	$(SILENTMSG) generating $(notdir $@)
	$(SILENTCMD)$(PYTHON) $(TOPDIR)/$(SCRIPTS)/genimagesh.py $@ $(TOPDIR)/gfx

#---------------------------------------------------------------------------------
# The bin2o rule should be copied and modified
# for each extension used in the data directories
#---------------------------------------------------------------------------------

#---------------------------------------------------------------------------------
%.bin.o %_bin.h : %.bin
#---------------------------------------------------------------------------------
	$(SILENTMSG) $(notdir $<)
	$(SILENTCMD)$(bin2o)

$(SOUNDBANK): $(AUDIOFILES)
	$(SILENTCMD)mmutil $^ -hsoundbank.h -o$@ -d

#---------------------------------------------------------------------------------
# This rule creates assembly source files using grit
# grit takes an image file and a .grit describing how the file is to be processed
# add additional rules like this for each image extension
# you use in the graphics folders
#---------------------------------------------------------------------------------
%.s %.h	: %.bmp %.grit
#---------------------------------------------------------------------------------
	grit $< -fts -o$*

#---------------------------------------------------------------------------------
%.s %.h	: %.png %.grit
#---------------------------------------------------------------------------------
	grit $< -fts -o$*


-include $(DEPENDS)

#---------------------------------------------------------------------------------------
endif
#---------------------------------------------------------------------------------------