DEBUG=0
EXTERNAL_ZLIB=0
HAVE_GRIFFIN=1
STATIC_LINKING=0
ENDIANNESS_DEFINES=

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 := fceumm
LIBM := -lm

# Unix
ifeq ($(platform), unix)
	TARGET := $(TARGET_NAME)_libretro.so
	fpic := -fPIC
	SHARED := -shared -Wl,--version-script=src/drivers/libretro/link.T -Wl,-no-undefined
else ifeq ($(platform), linux-portable)
	TARGET := $(TARGET_NAME)_libretro.so
	fpic := -fPIC -nostdlib
	SHARED := -shared -Wl,--version-script=src/drivers/libretro/link.T
	LIBM :=
# OS X
else ifeq ($(platform), osx)
	TARGET := $(TARGET_NAME)_libretro.dylib
	fpic := -fPIC
	SHARED := -dynamiclib
	ifeq ($(arch),ppc)
		ENDIANNESS_DEFINES += -DMSB_FIRST
	endif
	OSXVER = `sw_vers -productVersion | cut -d. -f 2`
	OSX_LT_MAVERICKS = `(( $(OSXVER) <= 9)) && echo "YES"`
	fpic += -mmacosx-version-min=10.1
	ifndef ($(NOUNIVERSAL))
		CFLAGS += $(ARCHFLAGS)
		LDFLAGS += $(ARCHFLAGS)
	endif

# iOS
else ifneq (,$(findstring ios,$(platform)))

	TARGET := $(TARGET_NAME)_libretro_ios.dylib
	fpic := -fPIC
	SHARED := -dynamiclib
	CFLAGS += -DIOS
	ifeq ($(IOSSDK),)
		IOSSDK := $(shell xcodebuild -version -sdk iphoneos Path)
	endif
	CC = cc -arch armv7 -isysroot $(IOSSDK)
	CFLAGS += -DIOS
ifeq ($(platform),ios9)
	CC +=  -miphoneos-version-min=8.0
	CFLAGS += -miphoneos-version-min=8.0
else
	CC +=  -miphoneos-version-min=5.0
	CFLAGS += -miphoneos-version-min=5.0
endif

# Theos iOS
else ifeq ($(platform), theos_ios)
	DEPLOYMENT_IOSVERSION = 5.0
	TARGET = iphone:latest:$(DEPLOYMENT_IOSVERSION)
	ARCHS = armv7 armv7s
	TARGET_IPHONEOS_DEPLOYMENT_VERSION=$(DEPLOYMENT_IOSVERSION)
	THEOS_BUILD_DIR := objs
	include $(THEOS)/makefiles/common.mk
	LIBRARY_NAME = $(TARGET_NAME)_libretro_ios

# QNX
else ifeq ($(platform), qnx)
	TARGET := $(TARGET_NAME)_libretro_qnx.so
	fpic := -fPIC
	SHARED := -shared -Wl,--version-script=src/drivers/libretro/link.T -Wl,-no-undefined
	CC = qcc -Vgcc_ntoarmv7le
	AR = qcc -Vgcc_ntoarmv7le
	PLATFORM_DEFINES := -D__BLACKBERRY_QNX__ -marm -mcpu=cortex-a9 -mfpu=neon -mfloat-abi=softfp

# PS3
else ifeq ($(platform), ps3)
	TARGET := $(TARGET_NAME)_libretro_$(platform).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
	ENDIANNESS_DEFINES += -DMSB_FIRST
	STATIC_LINKING=1
	EXTERNAL_ZLIB=1

# sncps3
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
	ENDIANNESS_DEFINES += -DMSB_FIRST
	STATIC_LINKING=1
	EXTERNAL_ZLIB=1

# PSP
else ifeq ($(platform), psp1)
	TARGET := $(TARGET_NAME)_libretro_$(platform).a
	CC = psp-gcc$(EXE_EXT)
	AR = psp-ar$(EXE_EXT)
	PLATFORM_DEFINES := -DPSP -G0
	PLATFORM_DEFINES += -march=allegrex -mfp32 -mgp32 -mlong32 -mabi=eabi
	PLATFORM_DEFINES += -fomit-frame-pointer -fstrict-aliasing
	PLATFORM_DEFINES += -falign-functions=32 -falign-loops -falign-labels -falign-jumps
	STATIC_LINKING=1
	EXTERNAL_ZLIB=1

# Vita
else ifeq ($(platform), vita)
	TARGET := $(TARGET_NAME)_libretro_$(platform).a
	CC = arm-vita-eabi-gcc$(EXE_EXT)
	AR = arm-vita-eabi-ar$(EXE_EXT)
	PLATFORM_DEFINES := -DVITA
	STATIC_LINKING=1
	EXTERNAL_ZLIB=1

# CTR(3DS)
else ifeq ($(platform), ctr)
	TARGET := $(TARGET_NAME)_libretro_$(platform).a
	CC = $(DEVKITARM)/bin/arm-none-eabi-gcc$(EXE_EXT)
	AR = $(DEVKITARM)/bin/arm-none-eabi-ar$(EXE_EXT)
	PLATFORM_DEFINES := -DARM11 -D_3DS
	CFLAGS += -march=armv6k -mtune=mpcore -mfloat-abi=hard
	CFLAGS += -Wall -mword-relocations
	CFLAGS += -fomit-frame-pointer -fstrict-aliasing -ffast-math
	STATIC_LINKING=1
	EXTERNAL_ZLIB=1

# Raspberry Pi 1
else ifeq ($(platform), rpi1)
	TARGET := $(TARGET_NAME)_libretro.so
	fpic := -fPIC
	SHARED := -shared -Wl,--version-script=src/drivers/libretro/link.T -Wl,-no-undefined
	CFLAGS += -DARM11
	CFLAGS += -marm -march=armv6j -mfpu=vfp -mfloat-abi=hard -funsafe-math-optimizations
	CFLAGS += -fomit-frame-pointer -fstrict-aliasing -ffast-math

# Raspberry Pi 2
else ifeq ($(platform), rpi2)
	TARGET := $(TARGET_NAME)_libretro.so
	fpic := -fPIC
	SHARED := -shared -Wl,--version-script=src/drivers/libretro/link.T -Wl,-no-undefined
	CFLAGS += -DARM
	CFLAGS += -marm -mcpu=cortex-a7 -mfpu=neon-vfpv4 -mfloat-abi=hard -funsafe-math-optimizations
	CFLAGS += -fomit-frame-pointer -fstrict-aliasing -ffast-math

# Lightweight PS3 Homebrew SDK
else ifeq ($(platform), psl1ght)
	TARGET := $(TARGET_NAME)_libretro_$(platform).a
	CC = $(PS3DEV)/ppu/bin/ppu-gcc$(EXE_EXT)
	AR = $(PS3DEV)/ppu/bin/ppu-ar$(EXE_EXT)
	PLATFORM_DEFINES := -D__CELLOS_LV2
	ENDIANNESS_DEFINES += -DMSB_FIRST
	STATIC_LINKING=1
	EXTERNAL_ZLIB=1

# Xbox 360
else ifeq ($(platform), xenon)
	TARGET := $(TARGET_NAME)_libretro_xenon360.a
	CC = xenon-gcc$(EXE_EXT)
	AR = xenon-ar$(EXE_EXT)
	PLATFORM_DEFINES := -D__LIBXENON__
	ENDIANNESS_DEFINES += -DMSB_FIRST
	STATIC_LINKING=1
	EXTERNAL_ZLIB=1

# Nintendo Game Cube
else ifeq ($(platform), ngc)
	TARGET := $(TARGET_NAME)_libretro_$(platform).a
	CC = $(DEVKITPPC)/bin/powerpc-eabi-gcc$(EXE_EXT)
	AR = $(DEVKITPPC)/bin/powerpc-eabi-ar$(EXE_EXT)
	PLATFORM_DEFINES := -DGEKKO -DHW_DOL -mrvl -mcpu=750 -meabi -mhard-float
	ENDIANNESS_DEFINES += -DMSB_FIRST
	STATIC_LINKING=1
	EXTERNAL_ZLIB=1

# Nintendo Wii
else ifeq ($(platform), wii)
	TARGET := $(TARGET_NAME)_libretro_$(platform).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
	ENDIANNESS_DEFINES += -DMSB_FIRST
	STATIC_LINKING=1
	EXTERNAL_ZLIB=1

# Nintendo WiiU
else ifeq ($(platform), wiiu)
	TARGET := $(TARGET_NAME)_libretro_$(platform).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
	ENDIANNESS_DEFINES += -DMSB_FIRST
	STATIC_LINKING=1
	EXTERNAL_ZLIB=1

# ARM
else ifneq (,$(findstring armv,$(platform)))
	TARGET := $(TARGET_NAME)_libretro.so
	SHARED := -shared -Wl,--version-script=src/drivers/libretro/link.T -Wl,-no-undefined
	fpic := -fPIC
	ifneq (,$(findstring cortexa5,$(platform)))
		PLATFORM_DEFINES += -marm -mcpu=cortex-a5
	else ifneq (,$(findstring cortexa8,$(platform)))
		PLATFORM_DEFINES += -marm -mcpu=cortex-a8
	else ifneq (,$(findstring cortexa9,$(platform)))
		PLATFORM_DEFINES += -marm -mcpu=cortex-a9
	else ifneq (,$(findstring cortexa15a7,$(platform)))
		PLATFORM_DEFINES += -marm -mcpu=cortex-a15.cortex-a7
	else
		PLATFORM_DEFINES += -marm
	endif
	ifneq (,$(findstring softfloat,$(platform)))
		PLATFORM_DEFINES += -mfloat-abi=softfp
	else ifneq (,$(findstring hardfloat,$(platform)))
		PLATFORM_DEFINES += -mfloat-abi=hard
	endif
	PLATFORM_DEFINES += -DARM

# emscripten
else ifeq ($(platform), emscripten)
	TARGET := $(TARGET_NAME)_libretro_$(platform).bc
	STATIC_LINKING=1
	EXTERNAL_ZLIB=1

# GCW0
else ifeq ($(platform), gcw0)
	TARGET := $(TARGET_NAME)_libretro.so
	CC = /opt/gcw0-toolchain/usr/bin/mipsel-linux-gcc
	CXX = /opt/gcw0-toolchain/usr/bin/mipsel-linux-g++
	AR = /opt/gcw0-toolchain/usr/bin/mipsel-linux-ar
	fpic := -fPIC
	SHARED := -shared -Wl,--version-script=src/drivers/libretro/link.T -Wl,-no-undefined
	PLATFORM_DEFINES += -ffast-math -march=mips32 -mtune=mips32r2 -mhard-float
	EXTERNAL_ZLIB = 1
# Windows
else
	TARGET := $(TARGET_NAME)_libretro.dll
	CC = gcc
	SHARED := -shared -static-libgcc -static-libstdc++ -s -Wl,--version-script=src/drivers/libretro/link.T
endif

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

ifeq ($(EXTERNAL_ZLIB), 1)
	CFLAGS += -DHAVE_EXTERNAL_ZLIB
endif

CORE_DIR := src

include Makefile.common

CFLAGS += -DWANT_GRIFFIN

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

DEFINES := -D__LIBRETRO__ -DSOUND_QUALITY=0 -DPATH_MAX=1024 -DINLINE=inline -DPSS_STYLE=1 -DFCEU_VERSION_NUMERIC=9813 -DFRONTEND_SUPPORTS_RGB565 $(PLATFORM_DEFINES)

ifeq ($(STATIC_LINKING),1)
	DEFINES += -DSTATIC_LINKING
endif

ifeq ($(platform), sncps3)
WARNING_DEFINES =
else
WARNING_DEFINES = -Wno-write-strings
endif

CFLAGS += $(CODE_DEFINES) $(fpic) $(WARNING_DEFINES) $(DEFINES) $(ENDIANNESS_DEFINES)
LDFLAGS += $(LIBM)

LIBS :=

ifeq ($(platform), psp1)
	INCFLAGS += -I$(shell psp-config --pspsdk-path)/include
endif

ifeq ($(platform), theos_ios)
COMMON_FLAGS := -DIOS $(COMMON_DEFINES) $(INCFLAGS) -I$(THEOS_INCLUDE_PATH) -Wno-error
$(LIBRARY_NAME)_CFLAGS += $(COMMON_FLAGS) $(CFLAGS)
${LIBRARY_NAME}_FILES = $(SOURCES_C)
include $(THEOS_MAKE_PATH)/library.mk
else
all: $(TARGET)
$(TARGET): $(OBJECTS)
ifeq ($(STATIC_LINKING),1)
	$(AR) rcs $@ $(OBJECTS)
else
	$(CC) -o $@ $(SHARED) $(OBJECTS) $(CFLAGS) $(LDFLAGS) $(LIBS)
endif

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

clean-objs:
	rm -f $(OBJECTS)

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

.PHONY: clean clean-objs
endif