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

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

TOPDIR ?= $(CURDIR)

include $(DEVKITPRO)/wut/share/wut_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
# DATA is a list of directories containing data files
# INCLUDES is a list of directories containing header files
#-------------------------------------------------------------------------------
TARGET		:=	50_hbl_installer
BUILD		:=	build
SOURCES		:=	source
DATA		:=	data
INCLUDES	:=	source

#-------------------------------------------------------------------------------
# options for code generation
#-------------------------------------------------------------------------------
CFLAGS	:=	-g -Wall -O3 -ffunction-sections -fno-exceptions -fno-rtti\
			$(MACHDEP)

CFLAGS	+=	$(INCLUDE) -D__WIIU__ -D__WUT__

CXXFLAGS	:= $(CFLAGS) -std=c++20 

ASFLAGS	:=	-g $(ARCH) -mregnames
LDFLAGS	=	-g $(ARCH) $(RPXSPECS) --entry=_start -Wl,-Map,$(notdir $*.map)

LIBS	:= -lwut -lz

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

#-------------------------------------------------------------------------------
# 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 TOPDIR	:=	$(CURDIR)

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_BIN	:=	$(addsuffix .o,$(BINFILES))
export OFILES_SRC	:=	$(CPPFILES:.cpp=.o) $(CFILES:.c=.o) $(SFILES:.s=.o)
export OFILES 	:=	$(OFILES_BIN) $(OFILES_SRC) sd_loader.elf.o
export HFILES_BIN	:=	$(addsuffix .h,$(subst .,_,$(BINFILES)))

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

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

.PHONY: $(BUILD) clean all

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

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

#-------------------------------------------------------------------------------
clean:
	@echo clean ...
	make clean -C homebrew_launcher_installer/sd_loader
	@rm -fr $(BUILD) $(TARGET).rpx $(TARGET).elf

#-------------------------------------------------------------------------------
else
.PHONY:	all

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

#-------------------------------------------------------------------------------
# main targets
#-------------------------------------------------------------------------------

sd_loader := ../homebrew_launcher_installer/sd_loader/sd_loader.elf

all	:	 $(OUTPUT).rpx

$(sd_loader): 
	make -C ../homebrew_launcher_installer/sd_loader

$(OUTPUT).rpx	:	$(OUTPUT).elf
$(OUTPUT).elf	:   $(OFILES)
$(OFILES)       :   sd_loader.h

$(OFILES_SRC)	: $(HFILES_BIN)

#-------------------------------------------------------------------------------
# you need a rule like this for each extension you use as binary data
#-------------------------------------------------------------------------------
sd_loader.h: $(sd_loader)
	@bin2s -a 32 -H `(echo $(<F) | tr . _)`.h $< | $(AS) -o $(<F).o
	@echo '#pragma once'  > $@
	@printf '#include "' >> $@
	@(printf $(<F) | tr . _) >> $@
	@echo '.h"' >> $@
	@printf '#define PAYLOAD_HASH "' >> $@ 
	@sha1sum $(<) |  cut -f1 -d' ' | tr -d '\n' >> $@
	@printf '"' >> $@ 

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