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# This is a generic DS makefile, as taken from the libnds example programs.
#

#-------------------------------------------------------------------------------
.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
# INCLUDES is a list of directories containing extra header files
#-------------------------------------------------------------------------------
TARGET		:=	$(shell basename $(CURDIR))
BUILD		:=	build
SOURCES		:=	source gbagfx
DATA		:=	data  
INCLUDES	:=	include gbagfx

#-------------------------------------------------------------------------------
# options for code generation
#-------------------------------------------------------------------------------
ARCH	:=	-mthumb -mthumb-interwork

# note: arm9tdmi isn't the correct CPU arch, but anything newer and LD
# *insists* it has a FPU or VFP, and it won't take no for an answer!
CFLAGS	:=	-g -Wall -O2\
 			-mcpu=arm9tdmi -mtune=arm9tdmi -fomit-frame-pointer\
			-ffast-math \
			$(ARCH) \
			$(ADDITIONAL_CFLAGS)

CFLAGS	+=	$(INCLUDE) -DARM9
CXXFLAGS	:= $(CFLAGS)

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

#-------------------------------------------------------------------------------
# any extra libraries we wish to link with the project
#-------------------------------------------------------------------------------
LIBS	:= -lfat -lnds9
 
 
#-------------------------------------------------------------------------------
# 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 ($(BUILD),$(notdir $(CURDIR)))
#-------------------------------------------------------------------------------
 
export OUTPUT	:=	$(CURDIR)/$(TARGET)
 
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) \
					$(foreach dir,$(LIBDIRS),-I$(dir)/include) \
					-I$(CURDIR)/$(BUILD)
 
export LIBPATHS	:=	$(foreach dir,$(LIBDIRS),-L$(dir)/lib)
 
.PHONY: $(BUILD) clean
 
#---------------------------------------------------------------------------------
$(BUILD):
	@[ -d $@ ] || mkdir -p $@
	@make --no-print-directory -C $(BUILD) -f $(CURDIR)/Makefile
 
#---------------------------------------------------------------------------------
clean:
	@echo clean ...
	@rm -fr $(BUILD) $(TARGET).elf $(TARGET).nds $(TARGET).arm9 $(TARGET).ds.gba 
 
 
#---------------------------------------------------------------------------------
else
 
DEPENDS	:=	$(OFILES:.o=.d)
 
#---------------------------------------------------------------------------------
# main targets
#---------------------------------------------------------------------------------
$(OUTPUT).ds.gba	: 	$(OUTPUT).nds
$(OUTPUT).nds	: 	$(OUTPUT).arm9
$(OUTPUT).arm9	:	$(OUTPUT).elf
$(OUTPUT).elf	:	$(OFILES)
 
#---------------------------------------------------------------------------------
%.bin.o	:	%.bin
#---------------------------------------------------------------------------------
	@echo $(notdir $<)
	@$(bin2o)
 
 
-include $(DEPENDS)
 
#---------------------------------------------------------------------------------------
endif
#---------------------------------------------------------------------------------------