DEBUG = 0
FRONTEND_SUPPORTS_RGB565 = 1

CORE_DIR := .

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

core = snes
NEED_BPP = 32
NEED_BLIP = 1
NEED_STEREO_SOUND = 1
CORE_DEFINE := -DWANT_SNES_EMU

TARGET_NAME := mednafen_snes
GIT_VERSION := " $(shell git rev-parse --short HEAD || echo unknown)"
ifneq ($(GIT_VERSION)," unknown")
	CXXFLAGS += -DGIT_VERSION=\"$(GIT_VERSION)\"
endif

ifeq ($(platform), unix)
   TARGET := $(TARGET_NAME)_libretro.so
   fpic := -fPIC
   SHARED := -shared -Wl,--no-undefined -Wl,--version-script=link.T
   ifneq ($(shell uname -p | grep -E '((i.|x)86|amd64)'),)
      IS_X86 = 1
   endif
   ifneq ($(findstring Haiku,$(shell uname -s)),)
   LDFLAGS += -lroot
   else
   LDFLAGS += -ldl
   endif

# Classic Platforms ####################
# Platform affix = classic_<ISA>_<µARCH>
# Help at https://modmyclassic.com/comp

# (armv7 a7, hard point, neon based) ### 
# NESC, SNESC, C64 mini 
else ifeq ($(platform), classic_armv7_a7)
	TARGET := $(TARGET_NAME)_libretro.so
	fpic := -fPIC
	SHARED := -shared -Wl,--no-undefined -Wl,--version-script=link.T
	CFLAGS += -Ofast \
	-flto=4 -fwhole-program -fuse-linker-plugin \
	-fdata-sections -ffunction-sections -Wl,--gc-sections \
	-fno-stack-protector -fno-ident -fomit-frame-pointer \
	-falign-functions=1 -falign-jumps=1 -falign-loops=1 \
	-fno-unwind-tables -fno-asynchronous-unwind-tables -fno-unroll-loops \
	-fmerge-all-constants -fno-math-errno \
	-marm -mtune=cortex-a7 -mfpu=neon-vfpv4 -mfloat-abi=hard
	CXXFLAGS += $(CFLAGS)
	HAVE_NEON = 1
	ARCH = arm
	LDFLAGS += -ldl
	ifeq ($(shell echo `$(CC) -dumpversion` "< 4.9" | bc -l), 1)
	  CFLAGS += -march=armv7-a
	else
	  CFLAGS += -march=armv7ve
	  # If gcc is 5.0 or later
	  ifeq ($(shell echo `$(CC) -dumpversion` ">= 5" | bc -l), 1)
	    LDFLAGS += -static-libgcc -static-libstdc++
	  endif
	endif

# (armv8 a35, hard point, neon based) ###
# PlayStation Classic
else ifeq ($(platform), classic_armv8_a35)
	TARGET := $(TARGET_NAME)_libretro.so
	fpic := -fPIC
	SHARED := -shared -Wl,--no-undefined -Wl,--version-script=link.T
	CFLAGS += -Ofast \
	-flto=4 -fwhole-program -fuse-linker-plugin \
	-fdata-sections -ffunction-sections -Wl,--gc-sections \
	-fno-stack-protector -fno-ident -fomit-frame-pointer \
	-falign-functions=1 -falign-jumps=1 -falign-loops=1 \
	-fno-unwind-tables -fno-asynchronous-unwind-tables -fno-unroll-loops \
	-fmerge-all-constants -fno-math-errno \
	-marm -mtune=cortex-a35 -mfpu=neon-fp-armv8 -mfloat-abi=hard
	CXXFLAGS += $(CFLAGS)
	HAVE_NEON = 1
	ARCH = arm
	LDFLAGS += -ldl
	CFLAGS += -march=armv8-a
	LDFLAGS += -static-libgcc -static-libstdc++
#######################################

else ifeq ($(platform), osx)
   TARGET := $(TARGET_NAME)_libretro.dylib
   fpic := -fPIC
   SHARED := -dynamiclib
   MINVERSION :=
ifeq ($(arch),ppc)
   ENDIANNESS_DEFINES := -DMSB_FIRST
   OLD_GCC := 1
endif
   OSXVER = `sw_vers -productVersion | cut -d. -f 2`
   OSX_LT_MAVERICKS = `(( $(OSXVER) <= 9)) && echo "YES"`
   ifeq ($(OSX_LT_MAVERICKS),"YES")
      MINVERSION = -mmacosx-version-min=10.1
   else
      fpic += -stdlib=libc++
   endif
   fpic += $(MINVERSION)
   fpic += -DHAVE_POSIX_MEMALIGN=1

   ifeq ($(CROSS_COMPILE),1)
		TARGET_RULE   = -target $(LIBRETRO_APPLE_PLATFORM) -isysroot $(LIBRETRO_APPLE_ISYSROOT)
		CFLAGS   += $(TARGET_RULE)
		CPPFLAGS += $(TARGET_RULE)
		CXXFLAGS += $(TARGET_RULE)
		LDFLAGS  += $(TARGET_RULE)
   endif

   CFLAGS  += $(ARCHFLAGS)
   CXXFLAGS  += $(ARCHFLAGS)
   LDFLAGS += $(ARCHFLAGS)

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

   TARGET := $(TARGET_NAME)_libretro_ios.dylib
   fpic := -fPIC -DHAVE_POSIX_MEMALIGN=1
   SHARED := -dynamiclib
   CFLAGS += -DIOS
ifeq ($(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 $(IOSSDK)
   endif
IPHONEMINVER :=
ifeq ($(platform),$(filter $(platform),ios9 ios-arm64))
	IPHONEMINVER = -miphoneos-version-min=8.0
else
	IPHONEMINVER = -miphoneos-version-min=5.0
endif
   LDFLAGS += $(IPHONEMINVER)
   FLAGS += $(IPHONEMINVER)

else ifeq ($(platform), tvos-arm64)
   EXT?=dylib
   TARGET := $(TARGET_NAME)_libretro_tvos.$(EXT)
   fpic := -fPIC -DHAVE_POSIX_MEMALIGN=1
   SHARED := -dynamiclib
   DEFINES := -DIOS
   CFLAGS += -DIOS
ifeq ($(IOSSDK),)
   IOSSDK := $(shell xcodebuild -version -sdk appletvos Path)
endif
   CC = cc -arch arm64 -isysroot $(IOSSDK)
   CXX = c++ -arch arm64 -isysroot $(IOSSDK)
   MINVER = -mappletvos-version-min=11.0
   LDFLAGS += $(MINVER)
   FLAGS += $(MINVER)
   CC += $(MINVER)
   CXX += $(MINVER)

else ifeq ($(platform), qnx)
   TARGET := $(TARGET_NAME)_libretro_$(platform).so
   fpic := -fPIC
   SHARED := -lcpp -lm -shared -Wl,--no-undefined -Wl,--version-script=link.T
   CC = qcc -Vgcc_ntoarmv7le
   CXX = QCC -Vgcc_ntoarmv7le_cpp
   AR = QCC -Vgcc_ntoarmv7le
   FLAGS += -D__BLACKBERRY_QNX__ -marm -mcpu=cortex-a9 -mfpu=neon -mfloat-abi=softfp
else ifeq ($(platform), ps3)
   TARGET := $(TARGET_NAME)_libretro_$(platform).a
   CC = $(CELL_SDK)/host-win32/ppu/bin/ppu-lv2-gcc.exe
   CXX = $(CELL_SDK)/host-win32/ppu/bin/ppu-lv2-g++.exe
   AR = $(CELL_SDK)/host-win32/ppu/bin/ppu-lv2-ar.exe
   ENDIANNESS_DEFINES := -DMSB_FIRST
   OLD_GCC := 1
   FLAGS += -DARCH_POWERPC_ALTIVEC
   STATIC_LINKING = 1
else ifeq ($(platform), sncps3)
   TARGET := $(TARGET_NAME)_libretro_ps3.a
   CC = $(CELL_SDK)/host-win32/sn/bin/ps3ppusnc.exe
   CXX = $(CELL_SDK)/host-win32/sn/bin/ps3ppusnc.exe
   AR = $(CELL_SDK)/host-win32/sn/bin/ps3snarl.exe
   ENDIANNESS_DEFINES := -DMSB_FIRST
   CXXFLAGS += -Xc+=exceptions
   OLD_GCC := 1
   NO_GCC := 1
   FLAGS += -DARCH_POWERPC_ALTIVEC
   STATIC_LINKING = 1
else ifeq ($(platform), psl1ght)
   TARGET := $(TARGET_NAME)_libretro_$(platform).a
   CC = $(PS3DEV)/ppu/bin/ppu-gcc$(EXE_EXT)
   CXX = $(PS3DEV)/ppu/bin/ppu-g++$(EXE_EXT)
   AR = $(PS3DEV)/ppu/bin/ppu-ar$(EXE_EXT)
   ENDIANNESS_DEFINES := -DMSB_FIRST
   STATIC_LINKING = 1
else ifeq ($(platform), psp1)
   TARGET := $(TARGET_NAME)_libretro_$(platform).a
   CC = psp-gcc$(EXE_EXT)
   CXX = psp-g++$(EXE_EXT)
   AR = psp-ar$(EXE_EXT)
   FLAGS += -DPSP -G0
   STATIC_LINKING = 1
else ifeq ($(platform), xenon)
   TARGET := $(TARGET_NAME)_libretro_xenon360.a
   CC = xenon-gcc$(EXE_EXT)
   CXX = xenon-g++$(EXE_EXT)
   AR = xenon-ar$(EXE_EXT)
   ENDIANNESS_DEFINES += -D__LIBXENON__ -m32 -D__ppc__ -DMSB_FIRST
   LIBS := 
   STATIC_LINKING = 1
else ifeq ($(platform), ngc)
   TARGET := $(TARGET_NAME)_libretro_$(platform).a
   CC = $(DEVKITPPC)/bin/powerpc-eabi-gcc$(EXE_EXT)
   CXX = $(DEVKITPPC)/bin/powerpc-eabi-g++$(EXE_EXT)
   AR = $(DEVKITPPC)/bin/powerpc-eabi-ar$(EXE_EXT)
   ENDIANNESS_DEFINES += -DGEKKO -DHW_DOL -mrvl -mcpu=750 -meabi -mhard-float -DMSB_FIRST

   EXTRA_INCLUDES := -I$(DEVKITPRO)/libogc/include
   STATIC_LINKING = 1
else ifeq ($(platform), wii)
   TARGET := $(TARGET_NAME)_libretro_$(platform).a
   CC = $(DEVKITPPC)/bin/powerpc-eabi-gcc$(EXE_EXT)
   CXX = $(DEVKITPPC)/bin/powerpc-eabi-g++$(EXE_EXT)
   AR = $(DEVKITPPC)/bin/powerpc-eabi-ar$(EXE_EXT)
   ENDIANNESS_DEFINES += -DGEKKO -DHW_RVL -mrvl -mcpu=750 -meabi -mhard-float -DMSB_FIRST

   EXTRA_INCLUDES := -I$(DEVKITPRO)/libogc/include
   STATIC_LINKING = 1
else ifneq (,$(findstring armv,$(platform)))
   TARGET := $(TARGET_NAME)_libretro.so
   fpic := -fPIC
   SHARED := -shared -Wl,--no-undefined -Wl,--version-script=link.T
   CC = gcc
   IS_X86 = 0
ifneq (,$(findstring cortexa8,$(platform)))
   FLAGS += -marm -mcpu=cortex-a8
   ASFLAGS += -mcpu=cortex-a8
else ifneq (,$(findstring cortexa9,$(platform)))
   FLAGS += -marm -mcpu=cortex-a9
   ASFLAGS += -mcpu=cortex-a9
endif
   FLAGS += -marm
ifneq (,$(findstring neon,$(platform)))
   FLAGS += -mfpu=neon
   ASFLAGS += -mfpu=neon
   HAVE_NEON = 1
endif
ifneq (,$(findstring softfloat,$(platform)))
   FLAGS += -mfloat-abi=softfp
else ifneq (,$(findstring hardfloat,$(platform)))
   FLAGS += -mfloat-abi=hard
endif
   FLAGS += -DARM
else ifeq ($(platform), emscripten)
   TARGET := $(TARGET_NAME)_libretro_$(platform).bc
   STATIC_LINKING = 1

# Windows MSVC 2003 x86
else ifeq ($(platform), windows_msvc2003_x86)
	CC  = cl.exe
	CXX = cl.exe

PATH := $(shell IFS=$$'\n'; cygpath "$(VS71COMNTOOLS)../../Vc7/bin"):$(PATH)
PATH := $(PATH):$(shell IFS=$$'\n'; cygpath "$(VS71COMNTOOLS)../IDE")
INCLUDE := $(shell IFS=$$'\n'; cygpath "$(VS71COMNTOOLS)../../Vc7/include")
LIB := $(shell IFS=$$'\n'; cygpath -w "$(VS71COMNTOOLS)../../Vc7/lib")
BIN := $(shell IFS=$$'\n'; cygpath "$(VS71COMNTOOLS)../../Vc7/bin")

WindowsSdkDir := $(INETSDK)

export INCLUDE := $(INCLUDE);$(INETSDK)/Include;libretro-common/include/compat/msvc
export LIB := $(LIB);$(WindowsSdkDir);$(INETSDK)/Lib
TARGET := $(TARGET_NAME)_libretro.dll
PSS_STYLE :=2
LDFLAGS += -DLL
CFLAGS += -D_CRT_SECURE_NO_DEPRECATE
WINDOWS_VERSION=1

else
   TARGET := $(TARGET_NAME)_libretro.dll
   CC ?= gcc
   CXX ?= g++
   IS_X86 = 1
   SHARED := -shared -Wl,--no-undefined -Wl,--version-script=link.T
   LDFLAGS += -static-libgcc -static-libstdc++ -lwinmm
endif

include Makefile.common

ifneq (,$(findstring msvc,$(platform)))
WARNINGS :=
else
WARNINGS := -Wall \
	-Wno-sign-compare \
	-Wno-unused-variable \
	-Wno-unused-function \
	-Wno-uninitialized
endif

ifeq ($(NO_GCC),1)
   WARNINGS :=
endif

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

all: $(TARGET)

ifeq ($(DEBUG),0)
   FLAGS += -O2 -DNDEBUG
else
   FLAGS += -O0 -g -DDEBUG
endif

LDFLAGS += $(fpic) $(SHARED)
FLAGS += $(fpic) $(NEW_GCC_FLAGS) $(INCFLAGS)

FLAGS += $(ENDIANNESS_DEFINES) -DSIZEOF_DOUBLE=8 $(WARNINGS) -DMEDNAFEN_VERSION=\"0.9.31\" -DPACKAGE=\"mednafen\" -DMEDNAFEN_VERSION_NUMERIC=931 -DPSS_STYLE=1 -DMPC_FIXED_POINT $(CORE_DEFINE) -DSTDC_HEADERS -D__STDC_LIMIT_MACROS -D__LIBRETRO__ -D_LOW_ACCURACY_ $(EXTRA_INCLUDES) $(SOUND_DEFINE)

CXXFLAGS += $(FLAGS)
CFLAGS   += $(FLAGS)

$(TARGET): $(OBJECTS)
ifeq ($(STATIC_LINKING), 1)
	$(AR) rcs $@ $(OBJECTS)
else
	$(CXX) -o $@ $^ $(LDFLAGS)
endif

%.o: %.cpp
	$(CXX) -c -o $@ $< $(CXXFLAGS)

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

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

.PHONY: clean
