DEBUG=0
TARGET_NAME = snes9x2002

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
else ifneq ($(findstring win,$(shell uname -a)),)
   platform = win
endif
endif

ifeq ($(platform), unix)
   TARGET := $(TARGET_NAME)_libretro.so
   fpic := -fPIC
   SHARED := -shared -Wl,--version-script=libretro/link.T -Wl,--no-undefined
   CFLAGS += -fno-builtin -fno-exceptions
else ifeq ($(platform), osx)
   TARGET := $(TARGET_NAME)_libretro.dylib
   fpic := -fPIC
   SHARED := -dynamiclib
else ifneq (,$(findstring ios,$(platform)))
   TARGET := $(TARGET_NAME)_libretro_ios.dylib
   fpic := -fPIC
   SHARED := -dynamiclib
   ifeq ($(IOSSDK),)
      IOSSDK := $(shell xcodebuild -version -sdk iphoneos Path)
   endif

   ifeq ($(platform),ios-arm64)
		CC = cc -arch arm64 -isysroot $(IOSSDK)
   	CXX = c++ -arch arm64 -isysroot $(IOSSDK)   
   else
   	CC = cc -arch armv7 -isysroot $(IOSSDK)
   	CXX = c++ -arch armv7 -isysroot $(IOSSDK)
   endif
   ARM_ASM = 0
   ASM_CPU = 0
   ASM_SPC700 = 0
   ifeq ($(platform),$(filter $(platform),ios9 ios-arm64))
      CC += -miphoneos-version-min=8.0
      CXX += -miphoneos-version-min=8.0
      PLATFORM_DEFINES := -miphoneos-version-min=8.0
   else
      CC += -miphoneos-version-min=5.0
      CXX += -miphoneos-version-min=5.0
      PLATFORM_DEFINES := -miphoneos-version-min=5.0
   endif
else ifeq ($(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 = $(TARGET_NAME)_libretro_ios
   ARM_ASM = 1
   ASM_CPU = 0
   ASM_SPC700 = 0
else ifeq ($(platform), ps3)
   TARGET := $(TARGET_NAME)_libretro_$(platform).a
   CC = $(CELL_SDK)/host-win32/ppu/bin/ppu-lv2-gcc.exe
   AR = $(CELL_SDK)/host-win32/ppu/bin/ppu-lv2-ar.exe
   CFLAGS += -DBLARGG_BIG_ENDIAN=1 -D__ppc__
   STATIC_LINKING := 1
else ifeq ($(platform), sncps3)
   TARGET := $(TARGET_NAME)_libretro_ps3.a
   CC = $(CELL_SDK)/host-win32/sn/bin/ps3ppusnc.exe
   AR = $(CELL_SDK)/host-win32/sn/bin/ps3snarl.exe
   CFLAGS += -DBLARGG_BIG_ENDIAN=1 -D__ppc__
   STATIC_LINKING := 1
else ifeq ($(platform), xenon)
   TARGET := $(TARGET_NAME)_libretro_xenon360.a
   CC = xenon-gcc
   AR = xenon-ar
   CFLAGS += -D__LIBXENON__ -m32 -D__ppc__
   STATIC_LINKING := 1
else ifeq ($(platform), ngc)
   TARGET := $(TARGET_NAME)_libretro_$(platform).a
   CC = $(DEVKITPPC)/bin/powerpc-eabi-gcc
   AR = $(DEVKITPPC)/bin/powerpc-eabi-ar
   CFLAGS += -DGEKKO -mrvl -mcpu=750 -meabi -mhard-float -DBLARGG_BIG_ENDIAN=1 -D__ppc__
   CFLAGS += -U__INT32_TYPE__ -U __UINT32_TYPE__ -D__INT32_TYPE__=int
   STATIC_LINKING := 1

else ifeq ($(platform), wii)
   TARGET := $(TARGET_NAME)_libretro_$(platform).a
   CC = $(DEVKITPPC)/bin/powerpc-eabi-gcc
   AR = $(DEVKITPPC)/bin/powerpc-eabi-ar
   CFLAGS += -DGEKKO -mrvl -mcpu=750 -meabi -mhard-float -DBLARGG_BIG_ENDIAN=1 -D__ppc__ -DHW_RVL
   CFLAGS += -U__INT32_TYPE__ -U __UINT32_TYPE__ -D__INT32_TYPE__=int
   STATIC_LINKING := 1

else ifeq ($(platform), wiiu)
   TARGET := $(TARGET_NAME)_libretro_$(platform).a
   CC = $(DEVKITPPC)/bin/powerpc-eabi-gcc
   AR = $(DEVKITPPC)/bin/powerpc-eabi-ar
   CFLAGS += -DGEKKO -DWIIU -mwup -mcpu=750 -meabi -mhard-float -DBLARGG_BIG_ENDIAN=1 -D__ppc__ -DHW_RVL
   CFLAGS += -U__INT32_TYPE__ -U __UINT32_TYPE__ -D__INT32_TYPE__=int
   STATIC_LINKING := 1

#Nintendo Classics (Hakchi)
else ifeq ($(platform), nintendoc)
   TARGET := $(TARGET_NAME)_libretro.so
   fpic := -fPIC
   SHARED := -shared -Wl,--version-script=libretro/link.T -Wl,--no-undefined
   CFLAGS += -fno-builtin -fno-exceptions -DARM -marm -mcpu=cortex-a7 -mfpu=neon-vfpv4 -mfloat-abi=hard

# Vita
else ifeq ($(platform), vita)
   TARGET := $(TARGET_NAME)_libretro_$(platform).a
   CC = $(VITASDK)/bin/arm-vita-eabi-gcc$(EXE_EXT)
   CXX = $(VITASDK)/bin/arm-vita-eabi-g++$(EXE_EXT)
   AR = $(VITASDK)/bin/arm-vita-eabi-ar$(EXE_EXT)
   ARM_ASM = 1
   ASM_CPU = 0
   ASM_SPC700 = 0
   CFLAGS += -march=armv7-a -mfloat-abi=hard
   CFLAGS += -Wall -mword-relocations
   CFLAGS += -fomit-frame-pointer -ffast-math
   CFLAGS += -std=c11 -Wa,-mimplicit-it=thumb
   DEFS +=  -DVITA
   STATIC_LINKING := 1
# CTR (3DS)
else ifeq ($(platform), ctr)
   TARGET := $(TARGET_NAME)_libretro_$(platform).a
   CC = $(DEVKITARM)/bin/arm-none-eabi-gcc$(EXE_EXT)
   CXX = $(DEVKITARM)/bin/arm-none-eabi-g++$(EXE_EXT)
   AR = $(DEVKITARM)/bin/arm-none-eabi-ar$(EXE_EXT)
   ARM_ASM = 1
   ASM_CPU = 0
   ASM_SPC700 = 0
   CFLAGS += -DARM11 -D_3DS 
   CFLAGS += -march=armv6k -mtune=mpcore -mfloat-abi=hard
   CFLAGS += -Wall -mword-relocations
   CFLAGS += -fomit-frame-pointer -ffast-math
   CFLAGS += -D_3DS
   PLATFORM_DEFINES := -D_3DS
   STATIC_LINKING := 1

# Emscripten
else ifeq ($(platform), emscripten)
   TARGET := $(TARGET_NAME)_libretro_$(platform).bc
   STATIC_LINKING := 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=libretro/link.T -Wl,--no-undefined
   CFLAGS += -std=c99 -ffast-math -march=mips32 -mtune=mips32r2 -mhard-float
   CFLAGS += -fno-builtin -fno-exceptions
   CFLAGS += -DPATH_MAX=256
else
   TARGET := $(TARGET_NAME)_libretro.dll
   CC = gcc
   fpic := 
   LD_FLAGS := 
   SHARED := -shared -static-libgcc -static-libstdc++ -Wl,--version-script=libretro/link.T
   CFLAGS += -D__WIN32__ -D__WIN32_LIBRETRO__
endif

CORE_DIR     := ./src
LIBRETRO_DIR := ./libretro

ifeq ($(DEBUG), 1)
DEFINES += -O0 -g
else
DEFINES += -O2 -DNDEBUG=1
endif

include Makefile.common

OBJS := $(SOURCES:.c=.o) $(SOURCES_ASM:.S=.o)

CFLAGS += $(DEFINES) $(COMMON_DEFINES) $(INCLUDES)

ifeq ($(platform), theos_ios)
COMMON_FLAGS := -DIOS $(COMMON_DEFINES) $(INCFLAGS) -I$(THEOS_INCLUDE_PATH) -Wno-error
$(LIBRARY_NAME)_CFLAGS += $(CFLAGS) $(COMMON_FLAGS)
$(LIBRARY_NAME)_CXXFLAGS += $(CXXFLAGS) $(COMMON_FLAGS)
${LIBRARY_NAME}_FILES = $(SOURCES_CXX) $(SOURCES_C)
include $(THEOS_MAKE_PATH)/library.mk
else
all: $(TARGET)

$(TARGET): $(OBJS)
ifeq ($(STATIC_LINKING), 1)
	$(AR) rcs $@ $(OBJS)
else
	$(CC) $(fpic) $(SHARED) $(INCLUDES) -o $@ $(OBJS) -lm
endif

ifeq ($(platform),nintendoc)
	@echo "** BUILDING HAKCHI HMOD PACKAGE **"
	mkdir -p libretro/hakchi/etc/libretro/core/ libretro/hakchi/etc/libretro/info/ libretro/hakchi/etc/preinit.d/
	rm -f libretro/hakchi/etc/libretro/info/*
	cp $(TARGET_NAME)_libretro.so libretro/hakchi/etc/libretro/core/
	cd libretro/hakchi/etc/libretro/info/; wget https://buildbot.libretro.com/assets/frontend/info/$(TARGET_NAME)_libretro.info
	cd libretro/hakchi/; tar -czvf "CORE_$(TARGET_NAME).hmod" *
endif

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

%.o: %.S
	$(CC) $(CFLAGS) -Wa,-I./src/ -c -o $@ $<

clean:
	rm -f $(OBJS) $(TARGET) hakchi/CORE_$(TARGET_NAME).hmod

.PHONY: clean

endif