#---------------------------------------------------------------------------------
.SUFFIXES:
#---------------------------------------------------------------------------------
ifeq ($(strip $(DEVKITPPC)),)
$(error "Please set DEVKITPPC in your environment. export DEVKITPPC=<path to>devkitPPC")
endif
ifeq ($(strip $(DEVKITPRO)),)
$(error "Please set DEVKITPRO in your environment. export DEVKITPRO=<path to>devkitPRO")
endif

GITTAG ?= $(shell git describe --tags)

export PATH			:=	$(DEVKITPPC)/bin:$(PORTLIBS)/bin:$(PATH)
export PORTLIBS		:=	$(DEVKITPRO)/portlibs/ppc

PREFIX	:=	powerpc-eabi-

export AS	:=	$(PREFIX)as
export CC	:=	$(PREFIX)gcc
export CXX	:=	$(PREFIX)g++
export AR	:=	$(PREFIX)ar
export OBJCOPY	:=	$(PREFIX)objcopy

include $(DEVKITPPC)/base_rules

#---------------------------------------------------------------------------------
# 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 files
# LIBDIR is where the built library will be placed
# all directories are relative to this makefile
#---------------------------------------------------------------------------------
BUILD		?=	release
SOURCES		:=	source
INCLUDES	:=	include
PKGCONFS	:=	pkgconf
DATA		:=
LIB		:=	lib

#---------------------------------------------------------------------------------
# options for code generation
#---------------------------------------------------------------------------------
CFLAGS	= -g -Os -Wall -D__wiiu__ $(MACHDEP) $(INCLUDE)
CXXFLAGS	=	$(CFLAGS)

ASFLAGS	:=	-g

export WIIUBIN	:=	$(LIB)/libdynamiclibs.a
export PKGCONF	:=	dynamic_libs.pc

#---------------------------------------------------------------------------------
# any extra libraries we wish to link with the project
#---------------------------------------------------------------------------------
LIBS	:=

#---------------------------------------------------------------------------------
# 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 TOPDIR ?= $(CURDIR)/..


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

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

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)/*.*)))


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)/$(BUILD) -I$(PORTLIBS)/include -I$(PORTLIBS)/include



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

.PHONY: $(BUILD) clean all install

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

#---------------------------------------------------------------------------------
clean:
	@echo clean ...
	@rm -fr debug release $(LIB) include $(PKGCONF)

all: $(BUILD)

install: $(BUILD)
	@mkdir -p $(PORTLIBS)/lib
	@cp $(BUILD)/lib/libdynamiclibs.a $(PORTLIBS)/lib
	@mkdir -p $(PORTLIBS)/include/dynamic_libs
	@cp source/*.h $(PORTLIBS)/include/dynamic_libs
	@mkdir -p $(PORTLIBS)/lib/pkgconfig
	@cp $(BUILD)/$(PKGCONF) $(PORTLIBS)/lib/pkgconfig
	@echo Installed!

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

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

#---------------------------------------------------------------------------------
# main targets
#---------------------------------------------------------------------------------
all: $(WIIUBIN) $(PKGCONF)

%.pc: %.pc.in
	@sed "s;@PREFIX@;$(PORTLIBS);g" $< > $@
	@sed "s;@VERSION@;$(GITTAG);g" $< > $@

$(WIIUBIN):	$(OFILES) $(LIB)
	@rm -f "$(WIIUBIN)"
	@$(AR) rcs "$(WIIUBIN)" $(OFILES)
	@echo built ... $(notdir $@)

$(LIB):
	mkdir $(LIB)

-include $(DEPENDS)

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