Genesis-Plus-GX/Makefile.libretro

DEBUG = 0
LOGSOUND = 0
FRONTEND_SUPPORTS_RGB565 = 1


ifneq ($(EMSCRIPTEN),)
   platform = emscripten
endif

ifeq ($(platform),)
platform = unix
ifeq ($(shell uname -a),)
   platform = win
else ifneq ($(findstring MINGW,$(shell uname -a)),)
   platform = win
else ifneq ($(findstring Darwin,$(shell uname -a)),)
   platform = osx
   arch = intel
ifeq ($(shell uname -p),powerpc)
   arch = ppc
endif
else ifneq ($(findstring win,$(shell uname -a)),)
   platform = win
endif
endif

# system platform
system_platform = unix
ifeq ($(shell uname -a),)
EXE_EXT = .exe
   system_platform = win
else ifneq ($(findstring Darwin,$(shell uname -a)),)
   system_platform = osx
   arch = intel
ifeq ($(shell uname -p),powerpc)
   arch = ppc
endif
else ifneq ($(findstring MINGW,$(shell uname -a)),)
   system_platform = win
endif

TARGET_NAME := genesis_plus_gx

ifeq ($(platform), unix)
   TARGET := $(TARGET_NAME)_libretro.so
   fpic := -fPIC
   SHARED := -shared -Wl,--version-script=libretro/link.T -Wl,--no-undefined -lz
   ENDIANNESS_DEFINES := -DLSB_FIRST -DBYTE_ORDER=LITTLE_ENDIAN
   PLATFORM_DEFINES := -DHAVE_ZLIB
else ifeq ($(platform), osx)
   TARGET := $(TARGET_NAME)_libretro.dylib
   fpic := -fPIC 
   SHARED := -dynamiclib -lz
ifeq ($(arch),ppc)
   ENDIANNESS_DEFINES := -DBYTE_ORDER=BIG_ENDIAN
else
   ENDIANNESS_DEFINES := -DLSB_FIRST -DBYTE_ORDER=LITTLE_ENDIAN
endif
   PLATFORM_DEFINES := -DHAVE_ZLIB

   OSXVER = `sw_vers -productVersion | cut -d. -f 2`
   OSX_LT_MAVERICKS = `(( $(OSXVER) <= 9)) && echo "YES"`
ifeq ($(OSX_LT_MAVERICKS),"YES")
   fpic += -mmacosx-version-min=10.5
endif
else ifeq ($(platform), ios)
   TARGET := $(TARGET_NAME)_libretro_ios.dylib
   fpic := -fPIC
   SHARED := -dynamiclib -lz
   ENDIANNESS_DEFINES := -DLSB_FIRST -DBYTE_ORDER=LITTLE_ENDIAN
   PLATFORM_DEFINES := -DHAVE_ZLIB

ifeq ($(IOSSDK),)
   IOSSDK := $(shell xcrun -sdk iphoneos -show-sdk-path)
endif

   CC = clang -arch armv7 -isysroot $(IOSSDK)
   OSXVER = `sw_vers -productVersion | cut -d. -f 2`
   OSX_LT_MAVERICKS = `(( $(OSXVER) <= 9)) && echo "YES"`
ifeq ($(OSX_LT_MAVERICKS),"YES")
   CC += -miphoneos-version-min=5.0
   PLATFORM_DEFINES += -miphoneos-version-min=5.0
endif
else ifeq ($(platform), qnx)
   TARGET := $(TARGET_NAME)_libretro_qnx.so
   fpic := -fPIC
   SHARED := -lm -shared -Wl,--version-script=libretro/link.T -Wl,--no-undefined -lz
   ENDIANNESS_DEFINES := -DLSB_FIRST -DBYTE_ORDER=LITTLE_ENDIAN
   PLATFORM_DEFINES := -DHAVE_ZLIB
	CC = qcc -Vgcc_ntoarmv7le
	AR = qcc -Vgcc_ntoarmv7le
	PLATFORM_DEFINES := -D__BLACKBERRY_QNX__ -marm -mcpu=cortex-a9 -mfpu=neon -mfloat-abi=softfp
else ifeq ($(platform), ps3)
   TARGET := $(TARGET_NAME)_libretro_ps3.a
   CC = $(CELL_SDK)/host-win32/ppu/bin/ppu-lv2-gcc.exe
   AR = $(CELL_SDK)/host-win32/ppu/bin/ppu-lv2-ar.exe
   PLATFORM_DEFINES := -D__CELLOS_LV2 -DALT_RENDER -DBYTE_ORDER=BIG_ENDIAN
	STATIC_LINKING = 1
else ifeq ($(platform), sncps3)
   TARGET := $(TARGET_NAME)_libretro_ps3.a
   CC = $(CELL_SDK)/host-win32/sn/bin/ps3ppusnc.exe
   AR = $(CELL_SDK)/host-win32/sn/bin/ps3snarl.exe
   PLATFORM_DEFINES := -D__CELLOS_LV2 -DALT_RENDER -DBYTE_ORDER=BIG_ENDIAN
	STATIC_LINKING = 1
else ifeq ($(platform), psl1ght)
   TARGET := $(TARGET_NAME)_libretro_psl1ght.a$(EXE_EXT)
   CC = $(PS3DEV)/ppu/bin/ppu-gcc$(EXE_EXT)
   AR = $(PS3DEV)/ppu/bin/ppu-ar$(EXE_EXT)
   PLATFORM_DEFINES := -D__CELLOS_LV2 -DALT_RENDER
	STATIC_LINKING = 1
else ifeq ($(platform), psp1)
	TARGET := $(TARGET_NAME)_libretro_psp1.a$(EXE_EXT)
	CC = psp-gcc$(EXE_EXT)
	AR = psp-ar$(EXE_EXT)
	ENDIANNESS_DEFINES := -DLSB_FIRST -DBYTE_ORDER=LITTLE_ENDIAN
	PLATFORM_DEFINES := -DPSP
	CFLAGS += -G0
	STATIC_LINKING = 1
else ifeq ($(platform), xenon)
   TARGET := $(TARGET_NAME)_libretro_xenon360.a
   CC = xenon-gcc$(EXE_EXT)
   AR = xenon-ar$(EXE_EXT)
   PLATFORM_DEFINES := -D__LIBXENON__ -DALT_RENDER
	ENDIANNESS_DEFINES := -DBYTE_ORDER=BIG_ENDIAN
	STATIC_LINKING = 1
else ifeq ($(platform), ngc)
   TARGET := $(TARGET_NAME)_libretro_ngc.a
   CC = $(DEVKITPPC)/bin/powerpc-eabi-gcc$(EXE_EXT)
   AR = $(DEVKITPPC)/bin/powerpc-eabi-ar$(EXE_EXT)
	ENDIANNESS_DEFINES := -DBYTE_ORDER=BIG_ENDIAN
   PLATFORM_DEFINES := -DGEKKO -DHW_DOL -mrvl -mcpu=750 -meabi -mhard-float -DALT_RENDER
	STATIC_LINKING = 1
else ifeq ($(platform), wii)
   TARGET := $(TARGET_NAME)_libretro_wii.a
   CC = $(DEVKITPPC)/bin/powerpc-eabi-gcc$(EXE_EXT)
   AR = $(DEVKITPPC)/bin/powerpc-eabi-ar$(EXE_EXT)
   PLATFORM_DEFINES := -DGEKKO -DHW_RVL -mrvl -mcpu=750 -meabi -mhard-float -DALT_RENDER
	ENDIANNESS_DEFINES := -DBYTE_ORDER=BIG_ENDIAN
	STATIC_LINKING = 1
else ifneq (,$(findstring armv,$(platform)))
   TARGET := $(TARGET_NAME)_libretro.so
   fpic := -fPIC
   SHARED := -shared -Wl,--version-script=libretro/link.T -Wl,--no-undefined -lz
   ENDIANNESS_DEFINES := -DLSB_FIRST -DBYTE_ORDER=LITTLE_ENDIAN
   PLATFORM_DEFINES := -DHAVE_ZLIB
   CC = gcc
ifneq (,$(findstring cortexa8,$(platform)))
   PLATFORM_DEFINES += -marm -mcpu=cortex-a8
else ifneq (,$(findstring cortexa9,$(platform)))
   PLATFORM_DEFINES += -marm -mcpu=cortex-a9
endif
   PLATFORM_DEFINES += -marm
ifneq (,$(findstring neon,$(platform)))
   PLATFORM_DEFINES += -mfpu=neon
   HAVE_NEON = 1
endif
ifneq (,$(findstring softfloat,$(platform)))
   PLATFORM_DEFINES += -mfloat-abi=softfp
else ifneq (,$(findstring hardfloat,$(platform)))
   PLATFORM_DEFINES += -mfloat-abi=hard
endif
   PLATFORM_DEFINES += -DARM
else ifeq ($(platform), emscripten)
   TARGET := $(TARGET_NAME)_libretro_emscripten.bc
   ENDIANNESS_DEFINES := -DLSB_FIRST -DBYTE_ORDER=LITTLE_ENDIAN
else
   TARGET := $(TARGET_NAME)_libretro.dll
   CC = gcc
   SHARED := -shared -static-libgcc -static-libstdc++ -Wl,--version-script=libretro/link.T -Wl,--no-undefined -lz

   ENDIANNESS_DEFINES := -DLSB_FIRST -DBYTE_ORDER=LITTLE_ENDIAN
   PLATFORM_DEFINES := -DHAVE_ZLIB
endif

ifeq ($(DEBUG), 1)
   CFLAGS += -O0 -g
else ifeq ($(platform),qnx)
	CFLAGS += -Os -DNDEBUG
else ifeq ($(platform), emscripten)
	CFLAGS += -O2 -DNDEBUG
else
	CFLAGS += -O3 -DNDEBUG
endif

CORE_DIR	:= ./core
GENPLUS_SRC_DIR := $(CORE_DIR) \
					$(CORE_DIR)/sound \
					$(CORE_DIR)/input_hw \
					$(CORE_DIR)/cart_hw \
					$(CORE_DIR)/cart_hw/svp \
					$(CORE_DIR)/cd_hw \
					$(CORE_DIR)/m68k \
					$(CORE_DIR)/z80 \
					$(CORE_DIR)/ntsc
TREMOR_SRC_DIR  := $(CORE_DIR)/tremor
LIBRETRO_DIR	:= ./libretro

INCFLAGS := $(foreach dir,$(GENPLUS_SRC_DIR),-I$(dir)) \
				-I$(TREMOR_SRC_DIR) \
				-I$(LIBRETRO_DIR) 

SOURCES_C := $(foreach dir,$(GENPLUS_SRC_DIR),$(wildcard $(dir)/*.c)) \
				$(foreach dir,$(TREMOR_SRC_DIR),$(wildcard $(dir)/*.c)) \
				$(LIBRETRO_DIR)/libretro.c

ifeq ($(WANT_CRC32), 1)
	SOURCES_C += $(LIBRETRO_DIR)/scrc32.c
endif

OBJECTS := $(SOURCES_C:.c=.o)

ifeq ($(LOGSOUND), 1)
LIBRETRO_CFLAGS := -DLOGSOUND
endif

DEFINES := -DUSE_LIBTREMOR 
CFLAGS += $(fpic) $(DEFINES) $(CODE_DEFINES)

ifeq ($(FRONTEND_SUPPORTS_RGB565), 1)
# if you have a new frontend that supports RGB565
BPP_DEFINES = -DUSE_16BPP_RENDERING -DFRONTEND_SUPPORTS_RGB565
else
BPP_DEFINES = -DUSE_15BPP_RENDERING
endif


LIBRETRO_CFLAGS += $(INCFLAGS)
LIBRETRO_CFLAGS += $(BPP_DEFINES) \
		$(ENDIANNESS_DEFINES) \
		$(PLATFORM_DEFINES) \
		-D__LIBRETRO__

ifeq ($(platform), qnx)
	LIBRETRO_CFLAGS += -D__inline__=inline
else
	LIBRETRO_CFLAGS += -DINLINE="static inline"
endif

LIBRETRO_LIBS := -lm


all: $(TARGET)

%.o: %.c
	$(CC) -o $@ -c $< $(CFLAGS) $(LIBRETRO_CFLAGS)

$(TARGET): $(OBJECTS)
ifeq ($(STATIC_LINKING), 1)
	$(AR) rcs $@ $(OBJECTS)
else
	$(CC) -o $(TARGET) $(fpic) $(OBJECTS) $(LIBRETRO_LIBS) $(SHARED) 
endif

clean-objs:
	rm -f $(OBJECTS)

clean:
	rm -f $(OBJECTS)
	rm -f $(TARGET)

.PHONY: clean clean-objs