#---------------------------------------------------------------------------------
# Clear the implicit built in rules
#---------------------------------------------------------------------------------
.SUFFIXES:
#---------------------------------------------------------------------------------

RAVEN_PATH := <%= raven_path %>

include $(RAVEN_PATH)/tools/ARM/gba_rules

#---------------------------------------------------------------------------------
# TARGET is the name of the output file
# 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		:=	<%= target_name %>
BUILD		:=	intermediates
SOURCES		:=	src
DATA		:=
GRAPHICS	:=	gfx
INCLUDES	:= includes

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

CFLAGS	:=	-g -Wall -O3\
		-mcpu=arm7tdmi -mtune=arm7tdmi\
 		-fomit-frame-pointer\
		-ffast-math \
		$(ARCH)

CFLAGS	+=	$(INCLUDE)

CXXFLAGS	:=	$(CFLAGS) -fno-rtti -fno-exceptions

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

#---------------------------------------------------------------------------------
# Other libraries we want to link to the project.
#---------------------------------------------------------------------------------
LIBS	:=	-lgba

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

#---------------------------------------------------------------------------------
# Section of makefile that runs while outside of the BUILD folder
#---------------------------------------------------------------------------------
ifneq ($(BUILD),$(notdir $(CURDIR)))
#---------------------------------------------------------------------------------

export FINAL_LIB_FOLDER  := lib$(TARGET)
export OUTPUT	:=	$(CURDIR)/$(FINAL_LIB_FOLDER)/lib/lib$(TARGET)
export VPATH	:=	$(foreach dir,$(SOURCES),$(CURDIR)/$(dir)) \
			$(foreach dir,$(DATA),$(CURDIR)/$(dir))

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

#---------------------------------------------------------------------------------
# automatically build a list of object files for our project
#---------------------------------------------------------------------------------
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 $(dir)/*.bmp)))
#---------------------------------------------------------------------------------
# use CXX for linking C++ projects, CC for standard C
#---------------------------------------------------------------------------------
ifeq ($(strip $(CPPFILES)),)
#---------------------------------------------------------------------------------
	export LD	:=	$(CC)
#---------------------------------------------------------------------------------
else
#---------------------------------------------------------------------------------
	export LD	:=	$(CXX)
#---------------------------------------------------------------------------------
endif
#---------------------------------------------------------------------------------

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

#---------------------------------------------------------------------------------
# build a list of include paths
#---------------------------------------------------------------------------------
export INCLUDE	:=	$(foreach dir,$(INCLUDES),-I$(CURDIR)/$(dir)) \
			$(foreach dir,$(LIBDIRS),-I$(dir)/include) \
			-I$(CURDIR)/$(BUILD)

#---------------------------------------------------------------------------------
# build a list of library paths
#---------------------------------------------------------------------------------
export LIBPATHS	:=	$(foreach dir,$(LIBDIRS),-L$(dir)/lib)

.PHONY: $(FINAL_LIB_FOLDER) $(BUILD) clean

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

$(FINAL_LIB_FOLDER):
	@[ -d $@ ] || mkdir -p $@ && mkdir $@/lib \
	&& cp -r $(INCLUDES) $@/include

#---------------------------------------------------------------------------------
clean:
	@echo cleaning...
	@rm -fr $(BUILD) $(TARGET).a $(FINAL_LIB_FOLDER)

#---------------------------------------------------------------------------------
else
DEPENDS	:=	$(OFILES:.o=.d)

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


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

#---------------------------------------------------------------------------------
# This rule links in binary data with the .bin extension
#---------------------------------------------------------------------------------
%.bin.o	:	%.bin
#---------------------------------------------------------------------------------
	@echo $(notdir $<)
	@$(bin2o)

#---------------------------------------------------------------------------------
# This rule links in binary data with the .raw extension
#---------------------------------------------------------------------------------
%.raw.o	:	%.raw
#---------------------------------------------------------------------------------
	@echo $(notdir $<)
	@$(bin2o)

#---------------------------------------------------------------------------------
# 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 $< -fts -o$*

-include $(DEPENDS)

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