TARGET := retroarch_wiiu

BUILD_HBL_ELF              = 1
BUILD_RPX                  = 1
DEBUG                      = 0
GRIFFIN_BUILD              = 0
SALAMANDER_BUILD           = 0
WHOLE_ARCHIVE_LINK         = 0
WIIU_HID                   = 1
HAVE_RUNAHEAD              = 1
WIIU_LOG_RPX               = 0
BUILD_DIR                  = objs/wiiu
PC_DEVELOPMENT_TCP_PORT    ?=

ifeq ($(SALAMANDER_BUILD),1)
   BUILD_DIR := $(BUILD_DIR)-salamander
   TARGET    := $(TARGET)_salamander
else ifeq ($(GRIFFIN_BUILD),1)
   BUILD_DIR := $(BUILD_DIR)-griffin
endif

ifeq ($(DEBUG),1)
   BUILD_DIR := $(BUILD_DIR)-debug
endif

ifneq ($(V), 1)
   Q := @
endif

DEFINES :=
OBJ :=
INCDIRS :=

#-----------------------------
# Features and object files

OBJ += wiiu/main.o
OBJ += wiiu/system/memory.o
OBJ += wiiu/system/atomic.o
OBJ += wiiu/system/exception_handler.o
OBJ += wiiu/system/missing_libc_functions.o
OBJ += wiiu/fs/sd_fat_devoptab.o
OBJ += wiiu/fs/fs_utils.o
OBJ += wiiu/hbl.o

RPX_OBJ = $(BUILD_DIR)/wiiu/system/stubs_rpl.o
HBL_ELF_OBJ = $(BUILD_DIR)/wiiu/system/dynamic.o \
              $(BUILD_DIR)/wiiu/system/stubs_elf.o

ifeq ($(SALAMANDER_BUILD),1)
   DEFINES += -DRARCH_CONSOLE -DIS_SALAMANDER

   OBJ += frontend/frontend_salamander.o
   OBJ += frontend/frontend_driver.o
   OBJ += frontend/drivers/platform_wiiu.o
   OBJ += libretro-common/encodings/encoding_utf.o
   OBJ += libretro-common/compat/compat_strcasestr.o
   OBJ += libretro-common/compat/fopen_utf8.o
   OBJ += libretro-common/file/file_path.o
   OBJ += libretro-common/file/file_path_io.o
   OBJ += libretro-common/string/stdstring.o
   OBJ += libretro-common/lists/string_list.o
   OBJ += libretro-common/lists/dir_list.o
   OBJ += libretro-common/file/retro_dirent.o
   OBJ += libretro-common/compat/compat_strl.o
   OBJ += libretro-common/file/config_file.o
   OBJ += libretro-common/streams/file_stream.o
   OBJ += libretro-common/vfs/vfs_implementation.o
   OBJ += libretro-common/hash/rhash.o
   OBJ += file_path_str.o
   OBJ += verbosity.o

# $(SALAMANDER_BUILD),0
else
   DEFINES += -DRARCH_INTERNAL
   DEFINES += -DHAVE_KEYMAPPER
   DEFINES += -DHAVE_ONLINE_UPDATER
   DEFINES += -DHAVE_UPDATE_ASSETS
   DEFINES += -DHAVE_UPDATE_CORES
   DEFINES += -DHAVE_FILTERS_BUILTIN
   DEFINES += -DHAVE_SLANG
   DEFINES += -DHAVE_SHADERPIPELINE

ifeq ($(HAVE_RUNAHEAD),1)
   DEFINES += -DHAVE_RUNAHEAD
endif

   OBJ += wiiu/shader_utils.o
   OBJ += gfx/drivers/gx2_shaders/tex.o
   OBJ += gfx/drivers/gx2_shaders/sprite.o
   OBJ += gfx/drivers/gx2_shaders/frame.o
   OBJ += gfx/drivers/gx2_shaders/ribbon.o
   OBJ += gfx/drivers/gx2_shaders/ribbon_simple.o
   OBJ += gfx/drivers/gx2_shaders/bokeh.o
   OBJ += gfx/drivers/gx2_shaders/snow.o
   OBJ += gfx/drivers/gx2_shaders/snow_simple.o
   OBJ += gfx/drivers/gx2_shaders/snowflake.o

   ifeq ($(GRIFFIN_BUILD), 1)
      OBJ += griffin/griffin.o

      INCDIRS += -Ilibretro-common/include/compat/zlib
      # for stb, libfat, iosuhax
      INCDIRS += -Ideps -Ideps/libfat/include -Ideps/libiosuhax
      # pad_functions uses wiiu/input.h
      INCDIRS += -Iinput/include
      INCDIRS += -Ideps/SPIRV-Cross

      DEFINES += -DHAVE_AUDIOMIXER
      DEFINES += -DHAVE_GRIFFIN=1 -DHAVE_MENU -DHAVE_RGUI -DHAVE_LIBRETRODB
      DEFINES += -DHAVE_ZLIB -DHAVE_RPNG -DHAVE_RJPEG -DHAVE_RBMP -DHAVE_RTGA -DHAVE_CC_RESAMPLER
      DEFINES += -DHAVE_SPIRV_CROSS -DHAVE_SLANG
      DEFINES += -DHAVE_STB_FONT -DHAVE_STB_VORBIS -DHAVE_LANGEXTRA -DHAVE_LIBRETRODB -DHAVE_NETWORKING -DHAVE_NETPLAYDISCOVERY
      #DEFINES += -DWANT_IFADDRS
      #DEFINES += -DHAVE_FREETYPE
      DEFINES += -DHAVE_XMB -DHAVE_MATERIALUI
      DEFINES += -DHAVE_HID
      DEFINES += -DWANT_LIBFAT -DHAVE_LIBFAT -DWANT_IOSUHAX -DHAVE_IOSUHAX
      DEFINES += -DSPIRV_CROSS_EXCEPTIONS_TO_ASSERTIONS

   # $(GRIFFIN_BUILD),0
   else
      HAVE_AUDIOMIXER = 1
      HAVE_MENU_COMMON = 1
      HAVE_RTGA = 1
      HAVE_RPNG = 1
      HAVE_RJPEG = 1
      HAVE_RBMP = 1
      HAVE_MENU = 1
      HAVE_RGUI = 1
      HAVE_7ZIP = 1
      HAVE_ZLIB = 1
      HAVE_BUILTINZLIB = 0
      HAVE_LIBRETRODB = 1
      HAVE_MATERIALUI = 1
      HAVE_XMB = 1
      HAVE_STB_FONT = 1
      #HAVE_FREETYPE = 1
      HAVE_LANGEXTRA = 1
      HAVE_LIBRETRODB = 1
      HAVE_NETWORKING = 1
      HAVE_NETPLAYDISCOVERY = 1
      HAVE_CHEEVOS = 1
      #WANT_IFADDRS = 1
      HAVE_OVERLAY = 1
      HAVE_SPIRV_CROSS = 1
      HAVE_SLANG = 1
      HAVE_VIDEO_LAYOUT = 0
      HAVE_STATIC_VIDEO_FILTERS = 1
      HAVE_STATIC_AUDIO_FILTERS = 1
      WANT_LIBFAT = 1
      WANT_IOSUHAX = 1

      include Makefile.common
      DEFINES += $(DEF_FLAGS)
      INCDIRS += $(INCLUDE_DIRS)
   endif
endif

OBJ := $(addprefix $(BUILD_DIR)/,$(OBJ))

#-----------------------------
# Compile flags

DEFINES += -DWIIU -DMSB_FIRST -D__WUT__ -DHW_WUP -D__wiiu__
DEFINES += -DHAVE_MAIN
DEFINES += -DRARCH_CONSOLE

ifeq ($(WIIU_LOG_RPX),1)
   DEFINES += -DWIIU_LOG_RPX
endif

ifneq ($(PC_DEVELOPMENT_TCP_PORT),)
   DEFINES += -DPC_DEVELOPMENT_TCP_PORT=$(PC_DEVELOPMENT_TCP_PORT)
endif

INCDIRS += -I.
INCDIRS += -Ilibretro-common/include
INCDIRS += -Iwiiu
INCDIRS += -Iwiiu/include

CFLAGS  := -mcpu=750 -meabi -mhard-float
CFLAGS  += -ffast-math -Werror=implicit-function-declaration
CFLAGS  += -ffunction-sections -fdata-sections
#CFLAGS += -fomit-frame-pointer -mword-relocations
#CFLAGS += -Wall

ifeq ($(DEBUG), 1)
   CFLAGS += -O0 -g
else
   CFLAGS += -O3
endif

ASFLAGS := $(CFLAGS) -mregnames

#-----------------------------
# Linking/library flags

LIBDIRS := -L.
LDFLAGS := $(CFLAGS)

ifeq ($(WHOLE_ARCHIVE_LINK), 1)
   WHOLE_START := -Wl,--whole-archive
   WHOLE_END := -Wl,--no-whole-archive
endif

LIBS := $(WHOLE_START) -lretro_wiiu $(WHOLE_END) -lm

# Use portlibs zlib if deps/ isn't being used
ifeq ($(HAVE_ZLIB),1)
ifeq ($(HAVE_BUILTINZLIB),0)
   INCDIRS += -I$(DEVKITPRO)/portlibs/ppc/include
   LIBDIRS += -L$(DEVKITPRO)/portlibs/ppc/lib
   # Bonus: libpng for cores that need it
   LIBS += -lpng -lz
endif
endif

LDFLAGS += -Wl,--gc-sections

RPX_LDFLAGS      := -pie -fPIE
RPX_LDFLAGS      += -z common-page-size=64 -z max-page-size=64
RPX_LDFLAGS      += -T wiiu/link_rpl.ld
RPX_LDFLAGS      += -nostartfiles

HBL_ELF_LDFLAGS  := -T wiiu/link_elf.ld

#-----------------------------
# Compiler setup

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

export PATH   := $(PATH):$(DEVKITPPC)/bin

PREFIX := powerpc-eabi-

CC      := $(PREFIX)gcc
CXX     := $(PREFIX)g++
AS      := $(PREFIX)as
AR      := $(PREFIX)ar
OBJCOPY := $(PREFIX)objcopy
STRIP   := $(PREFIX)strip
NM      := $(PREFIX)nm
LD      := $(CXX)

ELF2RPL   := wiiu/wut/elf2rpl/elf2rpl

ifneq ($(findstring Linux,$(shell uname -a)),)
else ifneq ($(findstring Darwin,$(shell uname -a)),)
else
   ELF2RPL   := $(ELF2RPL).exe
endif

#-----------------------------
# Targets and build rules

TARGETS :=
ifeq ($(BUILD_RPX), 1)
TARGETS += $(TARGET).rpx
endif

ifeq ($(BUILD_HBL_ELF), 1)
TARGETS += $(TARGET).elf
endif

DEPFLAGS    = -MT $@ -MMD -MP -MF $(BUILD_DIR)/$*.depend

all: $(TARGETS)

%: $(BUILD_DIR)/%
	cp $< $@

$(BUILD_DIR)/%.o: %.cpp %.depend
	@$(if $(Q), echo CXX $<,)
	@mkdir -p $(dir $@)
	$(Q)$(CXX) -c -o $@ $< $(CXXFLAGS) $(DEFINES) $(INCDIRS) $(DEPFLAGS)

$(BUILD_DIR)/%.o: %.c %.depend
	@$(if $(Q), echo CC $<,)
	@mkdir -p $(dir $@)
	$(Q)$(CC) -c -o $@ $< $(CFLAGS) $(DEFINES) $(INCDIRS) $(DEPFLAGS)

$(BUILD_DIR)/%.o: %.S %.depend
	@$(if $(Q), echo AS $<,)
	@mkdir -p $(dir $@)
	$(Q)$(CC) -c -o $@ $< $(ASFLAGS) $(DEFINES) $(INCDIRS) $(DEPFLAGS)

$(BUILD_DIR)/%.o: %.s %.depend
	@$(if $(Q), echo AS $<,)
	@mkdir -p $(dir $@)
	$(Q)$(CC) -c -o $@ $< $(ASFLAGS) $(INCDIRS) $(DEPFLAGS)
%.a:
	@$(if $(Q), echo AR $<,)
	@mkdir -p $(dir $@)
	$(Q)$(AR) -rc $@ $^

%.depend: ;
%.last: ;

$(ELF2RPL):
	@$(if $(Q), echo MAKE $@,)
	$(Q)$(MAKE) -C wiiu/wut/elf2rpl/

$(BUILD_DIR)/$(TARGET).elf: $(OBJ) $(HBL_ELF_OBJ) libretro_wiiu.a wiiu/link_elf.ld .$(TARGET).elf.last
	@$(if $(Q), echo LD $@,)
	@touch .$(TARGET).elf.last
	$(Q)$(LD) $(OBJ) $(HBL_ELF_OBJ) $(LDFLAGS) $(HBL_ELF_LDFLAGS) $(LIBDIRS) $(LIBS) -o $@

$(BUILD_DIR)/$(TARGET).rpx.elf: $(OBJ) $(RPX_OBJ) libretro_wiiu.a wiiu/link_elf.ld
	@$(if $(Q), echo LD $@,)
	$(Q)$(LD) $(OBJ) $(RPX_OBJ) $(LDFLAGS) $(RPX_LDFLAGS) $(LIBDIRS)  $(LIBS) -o $@

$(BUILD_DIR)/$(TARGET).rpx: $(BUILD_DIR)/$(TARGET).rpx.elf $(ELF2RPL) .$(TARGET).rpx.last
	@$(if $(Q), echo ELF2RPL $@,)
	@touch .$(TARGET).rpx.last
	$(Q)-$(ELF2RPL) $< $@

clean:
	@$(if $(Q), echo $@,)
	$(Q)rm -f $(OBJ) $(RPX_OBJ) $(HBL_ELF_OBJ) $(TARGET).elf $(TARGET).rpx.elf $(TARGET).rpx
	$(Q)rm -f $(BUILD_DIR)/$(TARGET).elf $(BUILD_DIR)/$(TARGET).rpx.elf $(BUILD_DIR)/$(TARGET).rpx
	$(Q)rm -f .$(TARGET).elf.last .$(TARGET).rpx.elf.last .$(TARGET).rpx.last
	$(Q)rm -f $(OBJ:.o=.depend) $(RPX_OBJ:.o=.depend) $(HBL_ELF_OBJ:.o=.depend)

.PHONY: clean all
.PRECIOUS: %.depend %.last

-include $(OBJ:.o=.depend) $(RPX_OBJ:.o=.depend) $(HBL_ELF_OBJ:.o=.depend)