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

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

include $(DEVKITARM)/base_rules

export LIBCTRU_MAJOR	:= 0
export LIBCTRU_MINOR	:= 2
export LIBCTRU_PATCH	:= 0


VERSION	:=	$(LIBCTRU_MAJOR).$(LIBCTRU_MINOR).$(LIBCTRU_PATCH)

#---------------------------------------------------------------------------------
# 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		:=	ctru
BUILD		:=	build
SOURCES		:=	source \
			source/allocator \
			source/gpu \
			source/services \
			source/services/soc \
			source/util \
			source/system

DATA		:=	data
INCLUDES	:=	include

#---------------------------------------------------------------------------------
# options for code generation
#---------------------------------------------------------------------------------
ARCH	:=	-march=armv6k -mtune=mpcore -mfloat-abi=softfp

CFLAGS	:=	-g -Wall -O2 -mword-relocations \
			-fomit-frame-pointer -ffast-math \
			$(ARCH)

CFLAGS	+=	$(INCLUDE) -DARM11 -D_3DS

CXXFLAGS	:= $(CFLAGS) -fno-rtti -fno-exceptions -std=gnu++11

ASFLAGS	:=	-g $(ARCH)

#---------------------------------------------------------------------------------
# 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	:=	$(CURDIR)/lib/lib$(TARGET).a

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)))
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	:=	$(addsuffix .o,$(BINFILES)) \
			$(CPPFILES:.cpp=.o) $(CFILES:.c=.o) $(SFILES:.s=.o)

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

.PHONY: $(BUILD) clean all

#---------------------------------------------------------------------------------
all: $(BUILD)

dist-bin: all
	@tar -cjf libctru-$(VERSION).tar.bz2 include lib default_icon.png

dist-src:
	@tar -cjf libctru-src-$(VERSION).tar.bz2 include source Makefile Doxyfile Doxyfile.internal default_icon.png

dist: dist-src dist-bin

install: dist-bin
	mkdir -p $(DEVKITPRO)/libctru
	bzip2 -cd libctru-$(VERSION).tar.bz2 | tar -x -C $(DEVKITPRO)/libctru

dox:
	@doxygen Doxyfile
	@doxygen Doxyfile.internal

lib:
	@[ -d $@ ] || mkdir -p $@

$(BUILD): lib
	@[ -d $@ ] || mkdir -p $@
	@$(MAKE) --no-print-directory -C $(BUILD) -f $(CURDIR)/Makefile

#---------------------------------------------------------------------------------
clean:
	@echo clean ...
	@rm -fr $(BUILD) lib docs internal_docs

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

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

#---------------------------------------------------------------------------------
# main targets
#---------------------------------------------------------------------------------
$(OUTPUT)	:	$(OFILES)

#---------------------------------------------------------------------------------
%.bin.o	:	%.bin
#---------------------------------------------------------------------------------
	@echo $(notdir $<)
	@$(bin2o)


-include $(DEPENDS)

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