DEBUG = 0
FRONTEND_SUPPORTS_RGB565 = 1
PROFILE ?= performance

CORE_DIR := .
CFLAGS += $(CPPFLAGS)
CXXFLAGS += $(CPPFLAGS)

SPACE :=
SPACE := $(SPACE) $(SPACE)
BACKSLASH :=
BACKSLASH := \$(BACKSLASH)
filter_out1 = $(filter-out $(firstword $1),$1)
filter_out2 = $(call filter_out1,$(call filter_out1,$1))

ifeq ($(platform),)
platform = unix
ifeq ($(shell uname -s),)
   platform = win
else ifneq ($(findstring MINGW,$(shell uname -s)),)
   platform = win
else ifneq ($(findstring Darwin,$(shell uname -s)),)
   platform = osx
else ifneq ($(findstring win,$(shell uname -s)),)
	platform = win
endif
endif

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

# profile-guided optimization mode
# pgo := instrument
# pgo := optimize

ifeq ($(PGO),instrument)
  CFLAGS  += -fprofile-generate
  CXXFLAGS  += -fprofile-generate
  LDFLAGS += -lgcov
else ifeq ($(PGO),optimize)
  CFLAGS += -fprofile-use
  CXXFLAGS += -fprofile-use
endif

CORE_DEFINE :=

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

ifeq ($(PROFILE), performance)
   TARGET_NAME = bsnes_mercury_performance
else ifeq ($(PROFILE), balanced)
   TARGET_NAME = bsnes_mercury_balanced
else ifeq ($(PROFILE), accuracy)
   TARGET_NAME = bsnes_mercury_accuracy
endif

ifeq ($(platform), unix)
   TARGET := $(TARGET_NAME)_libretro.so
   fpic := -fPIC
   SHARED := -shared -Wl,--no-undefined -Wl,--version-script=target-libretro/link.T
   ifneq ($(shell uname -p | grep -E '((i.|x)86|amd64)'),)
      IS_X86 = 1
   endif
   ifneq ($(findstring Haiku,$(shell uname -s)),)
   CXXFLAGS += -fpermissive
   endif
   LDFLAGS += -ldl
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 = `(( $(OSXVER) <= 9)) && echo "YES"`
   FLAGS += -DHAVE_POSIX_MEMALIGN
   ifeq ($(OSX_LT_MAVERICKS),YES)
      MINVERSION = -mmacosx-version-min=10.1
   endif
   FLAGS += $(MINVERSION)

   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
   SHARED := -dynamiclib
   MINVERSION := 

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 $(IOSSDK)
endif
ifeq ($(platform),$(filter $(platform),ios9 ios-arm64))
	MINVERSION = -miphoneos-version-min=8.0
else
	MINVERSION = -miphoneos-version-min=5.0
endif
   LDFLAGS += $(MINVERSION)
   FLAGS += $(MINVERSION)
   FLAGS += -DHAVE_POSIX_MEMALIGN

# tvOS
else ifeq ($(platform), tvos-arm64)
   TARGET := $(TARGET_NAME)_libretro_tvos.dylib
   fpic := -fPIC
   SHARED := -dynamiclib

ifeq ($(IOSSDK),)
   IOSSDK := $(shell xcodebuild -version -sdk appletvos Path)
endif

   CC = cc -arch arm64 -isysroot $(IOSSDK)
   CXX = c++ -arch arm64 -isysroot $(IOSSDK) 
   FLAGS += -DHAVE_POSIX_MEMALIGN

# Raspberry Pi 4 in 64bit mode
else ifeq ($(platform), rpi4_64)
   TARGET := $(TARGET_NAME)_libretro.so
   fpic := -fPIC
   SHARED := -shared -Wl,--no-undefined -Wl,--version-script=target-libretro/link.T
   FLAGS += -march=armv8-a+crc+simd -mtune=cortex-a72
   ASFLAGS += -march=armv8-a+crc+simd -mtune=cortex-a72
   LDFLAGS += -ldl
   IS_X86 = 0

# tvOS
else ifeq ($(platform), tvos-arm64)
   TARGET := $(TARGET_NAME)_libretro_tvos.dylib
   fpic := -fPIC
   SHARED := -dynamiclib

ifeq ($(IOSSDK),)
   IOSSDK := $(shell xcodebuild -version -sdk appletvos Path)
endif

else ifeq ($(platform), qnx)
   TARGET := $(TARGET_NAME)_libretro_$(platform).so
   fpic := -fPIC
   SHARED := -lcpp -lm -shared -Wl,--no-undefined -Wl,--version-script=target-libretro/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

# PSP
else ifeq ($(platform), psp1)
   TARGET := $(TARGET_NAME)_libretro_$(platform).a
   CC = psp-gcc$(EXE_EXT)
   CXX = psp-g++$(EXE_EXT)
   AR = psp-ar$(EXE_EXT)
   FLAGS += -DPSP -G0
   STATIC_LINKING = 1
   EXTRA_INCLUDES := -I$(shell psp-config --pspsdk-path)/include

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

# Xbox 360
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

# Nintendo Switch (libnx)
else ifeq ($(platform), libnx)
include $(DEVKITPRO)/libnx/switch_rules
    TARGET := $(TARGET_NAME)_libretro_$(platform).a
    DEFINES := -DSWITCH=1 -U__linux__ -U__linux -DRARCH_INTERNAL
    CFLAGS  +=  $(DEFINES) -fPIE -I$(LIBNX)/include/ -ffunction-sections -fdata-sections -ftls-model=local-exec -Wl,--allow-multiple-definition -specs=$(LIBNX)/switch.specs
    CFLAGS  += $(INCDIRS)
    CFLAGS  += $(INCLUDE)  -D__SWITCH__ -DHAVE_LIBNX
    CXXFLAGS += $(ASFLAGS) $(CFLAGS) -fexceptions -fno-rtti -std=gnu++11 
    CFLAGS += -std=gnu11
    STATIC_LINKING = 1

# Nintendo Gamecube
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
   FLAGS += -U__INT32_TYPE__ -U __UINT32_TYPE__ -D__INT32_TYPE__=int

   EXTRA_INCLUDES := -I$(DEVKITPRO)/libogc/include
   STATIC_LINKING = 1

# wii
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
   FLAGS += -U__INT32_TYPE__ -U __UINT32_TYPE__ -D__INT32_TYPE__=int

   EXTRA_INCLUDES := -I$(DEVKITPRO)/libogc/include
   STATIC_LINKING = 1

# wiiu
else ifeq ($(platform), wiiu)
   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 -DWIIU -DHW_RVL -mwup -mcpu=750 -meabi -mhard-float -DMSB_FIRST
   FLAGS += -U__INT32_TYPE__ -U __UINT32_TYPE__ -D__INT32_TYPE__=int

   EXTRA_INCLUDES := -I$(DEVKITPRO)/libogc/include
   STATIC_LINKING = 1

else ifneq (,$(findstring armv,$(platform)))
   TARGET := $(TARGET_NAME)_libretro.so
   fpic := -fPIC
   SHARED := -shared -Wl,--no-undefined -Wl,--version-script=target-libretro/link.T
   CC ?= gcc
   IS_X86 = 0
ifneq (,$(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

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
   arch = arm
   LDFLAGS += -ldl

# Windows MSVC 2017 all architectures
else ifneq (,$(findstring windows_msvc2017,$(platform)))

    NO_GCC := 1
    CFLAGS   += -DNOMINMAX
    CXXFLAGS += -DNOMINMAX
    WINDOWS_VERSION = 1

	PlatformSuffix = $(subst windows_msvc2017_,,$(platform))
	ifneq (,$(findstring desktop,$(PlatformSuffix)))
		WinPartition = desktop
		MSVC2017CompileFlags = -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -FS
		LDFLAGS += -MANIFEST -LTCG:incremental -NXCOMPAT -DYNAMICBASE -DEBUG -OPT:REF -INCREMENTAL:NO -SUBSYSTEM:WINDOWS -MANIFESTUAC:"level='asInvoker' uiAccess='false'" -OPT:ICF -ERRORREPORT:PROMPT -NOLOGO -TLBID:1
		LIBS += kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib
	else ifneq (,$(findstring uwp,$(PlatformSuffix)))
		WinPartition = uwp
		MSVC2017CompileFlags = -DWINAPI_FAMILY=WINAPI_FAMILY_APP -D_WINDLL -D_UNICODE -DUNICODE -D__WRL_NO_DEFAULT_LIB__ -EHsc -FS
		LDFLAGS += -APPCONTAINER -NXCOMPAT -DYNAMICBASE -MANIFEST:NO -LTCG -OPT:REF -SUBSYSTEM:CONSOLE -MANIFESTUAC:NO -OPT:ICF -ERRORREPORT:PROMPT -NOLOGO -TLBID:1 -DEBUG:FULL -WINMD:NO
		LIBS += WindowsApp.lib
	endif

	CFLAGS += $(MSVC2017CompileFlags)
	CXXFLAGS += $(MSVC2017CompileFlags)

	TargetArchMoniker = $(subst $(WinPartition)_,,$(PlatformSuffix))

	CC  = cl.exe
	CXX = cl.exe
	LD = link.exe

	reg_query = $(call filter_out2,$(subst $2,,$(shell reg query "$2" -v "$1" 2>nul)))
	fix_path = $(subst $(SPACE),\ ,$(subst \,/,$1))

	ProgramFiles86w := $(shell cmd //c "echo %PROGRAMFILES(x86)%")
	ProgramFiles86 := $(shell cygpath "$(ProgramFiles86w)")

	WindowsSdkDir ?= $(call reg_query,InstallationFolder,HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Microsoft SDKs\Windows\v10.0)
	WindowsSdkDir ?= $(call reg_query,InstallationFolder,HKEY_CURRENT_USER\SOFTWARE\Wow6432Node\Microsoft\Microsoft SDKs\Windows\v10.0)
	WindowsSdkDir ?= $(call reg_query,InstallationFolder,HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Microsoft SDKs\Windows\v10.0)
	WindowsSdkDir ?= $(call reg_query,InstallationFolder,HKEY_CURRENT_USER\SOFTWARE\Microsoft\Microsoft SDKs\Windows\v10.0)
	WindowsSdkDir := $(WindowsSdkDir)

	WindowsSDKVersion ?= $(firstword $(foreach folder,$(subst $(subst \,/,$(WindowsSdkDir)Include/),,$(wildcard $(call fix_path,$(WindowsSdkDir)Include\*))),$(if $(wildcard $(call fix_path,$(WindowsSdkDir)Include/$(folder)/um/Windows.h)),$(folder),)))$(BACKSLASH)
	WindowsSDKVersion := $(WindowsSDKVersion)

	VsInstallBuildTools = $(ProgramFiles86)/Microsoft Visual Studio/2017/BuildTools
	VsInstallEnterprise = $(ProgramFiles86)/Microsoft Visual Studio/2017/Enterprise
	VsInstallProfessional = $(ProgramFiles86)/Microsoft Visual Studio/2017/Professional
	VsInstallCommunity = $(ProgramFiles86)/Microsoft Visual Studio/2017/Community

	VsInstallRoot ?= $(shell if [ -d "$(VsInstallBuildTools)" ]; then echo "$(VsInstallBuildTools)"; fi)
	ifeq ($(VsInstallRoot), )
		VsInstallRoot = $(shell if [ -d "$(VsInstallEnterprise)" ]; then echo "$(VsInstallEnterprise)"; fi)
	endif
	ifeq ($(VsInstallRoot), )
		VsInstallRoot = $(shell if [ -d "$(VsInstallProfessional)" ]; then echo "$(VsInstallProfessional)"; fi)
	endif
	ifeq ($(VsInstallRoot), )
		VsInstallRoot = $(shell if [ -d "$(VsInstallCommunity)" ]; then echo "$(VsInstallCommunity)"; fi)
	endif
	VsInstallRoot := $(VsInstallRoot)

	VcCompilerToolsVer := $(shell cat "$(VsInstallRoot)/VC/Auxiliary/Build/Microsoft.VCToolsVersion.default.txt" | grep -o '[0-9\.]*')
	VcCompilerToolsDir := $(VsInstallRoot)/VC/Tools/MSVC/$(VcCompilerToolsVer)

	WindowsSDKSharedIncludeDir := $(shell cygpath -w "$(WindowsSdkDir)\Include\$(WindowsSDKVersion)\shared")
	WindowsSDKUCRTIncludeDir := $(shell cygpath -w "$(WindowsSdkDir)\Include\$(WindowsSDKVersion)\ucrt")
	WindowsSDKUMIncludeDir := $(shell cygpath -w "$(WindowsSdkDir)\Include\$(WindowsSDKVersion)\um")
	WindowsSDKUCRTLibDir := $(shell cygpath -w "$(WindowsSdkDir)\Lib\$(WindowsSDKVersion)\ucrt\$(TargetArchMoniker)")
	WindowsSDKUMLibDir := $(shell cygpath -w "$(WindowsSdkDir)\Lib\$(WindowsSDKVersion)\um\$(TargetArchMoniker)")

	# For some reason the HostX86 compiler doesn't like compiling for x64
	# ("no such file" opening a shared library), and vice-versa.
	# Work around it for now by using the strictly x86 compiler for x86, and x64 for x64.
	# NOTE: What about ARM?
	ifneq (,$(findstring x64,$(TargetArchMoniker)))
		VCCompilerToolsBinDir := $(VcCompilerToolsDir)\bin\HostX64
	else
		VCCompilerToolsBinDir := $(VcCompilerToolsDir)\bin\HostX86
	endif

	PATH := $(shell IFS=$$'\n'; cygpath "$(VCCompilerToolsBinDir)/$(TargetArchMoniker)"):$(PATH)
	PATH := $(PATH):$(shell IFS=$$'\n'; cygpath "$(VsInstallRoot)/Common7/IDE")
	INCLUDE := $(shell IFS=$$'\n'; cygpath -w "$(VcCompilerToolsDir)/include")
	LIB := $(shell IFS=$$'\n'; cygpath -w "$(VcCompilerToolsDir)/lib/$(TargetArchMoniker)")
	ifneq (,$(findstring uwp,$(PlatformSuffix)))
		LIB := $(shell IFS=$$'\n'; cygpath -w "$(LIB)/store")
	endif
    
	export INCLUDE := $(INCLUDE);$(WindowsSDKSharedIncludeDir);$(WindowsSDKUCRTIncludeDir);$(WindowsSDKUMIncludeDir)
	export LIB := $(LIB);$(WindowsSDKUCRTLibDir);$(WindowsSDKUMLibDir)
	TARGET := $(TARGET_NAME)_libretro.dll
	LDFLAGS += -DLL

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

# Windows MSVC 2005 x86
else ifeq ($(platform), windows_msvc2005_x86)
	CC  = cl.exe
	CXX = cl.exe

PATH := $(shell IFS=$$'\n'; cygpath "$(VS80COMNTOOLS)../../VC/bin"):$(PATH)
PATH := $(PATH):$(shell IFS=$$'\n'; cygpath "$(VS80COMNTOOLS)../IDE")
INCLUDE := $(shell IFS=$$'\n'; cygpath -w "$(VS80COMNTOOLS)../../VC/include")
LIB := $(shell IFS=$$'\n'; cygpath -w "$(VS80COMNTOOLS)../../VC/lib")
BIN := $(shell IFS=$$'\n'; cygpath "$(VS80COMNTOOLS)../../VC/bin")

WindowsSdkDir := $(INETSDK)

export INCLUDE := $(INCLUDE);$(INETSDK)/Include;libretro-common/include/compat/msvc
export LIB := $(LIB);$(WindowsSdkDir);$(INETSDK)/Lib
TARGET := $(TARGET_NAME)_libretro.dll
LDFLAGS += -DLL
CFLAGS += -D_CRT_SECURE_NO_DEPRECATE
LIBS =
WINDOWS_VERSION=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=$$'\n'; cygpath -w "$(VS71COMNTOOLS)../../Vc7/include")
LIB := $(shell IFS=$$'\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
LDFLAGS += -DLL
CFLAGS += -D_CRT_SECURE_NO_DEPRECATE
WINDOWS_VERSION=1

# Windows
else
   TARGET := $(TARGET_NAME)_libretro.dll
   CC ?= gcc
   CXX ?= g++
   IS_X86 = 1
   SHARED := -shared -Wl,--no-undefined -Wl,--version-script=target-libretro/link.T
   LDFLAGS += -static-libgcc -static-libstdc++ -lwinmm -lws2_32
   WINDOWS_VERSION = 1
endif

ifeq ($(PROFILE), performance)
   FLAGS += -DPROFILE_PERFORMANCE
else ifeq ($(PROFILE), balanced)
   FLAGS += -DPROFILE_BALANCED
else ifeq ($(PROFILE), accuracy)
   FLAGS += -DPROFILE_ACCURACY
endif

include Makefile.common

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

EXTRA_GCC_FLAGS := -funroll-loops

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

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

all: $(TARGET)

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

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

FLAGS += $(ENDIANNESS_DEFINES) $(WARNINGS) $(CORE_DEFINE) -DSTDC_HEADERS -D__STDC_LIMIT_MACROS -D__LIBRETRO__ -DSFC_LAGFIX $(EXTRA_INCLUDES) $(SOUND_DEFINE)

CXXFLAGS += $(FLAGS) -std=c++11
CFLAGS   += $(FLAGS)

OBJOUT   = -o 
LINKOUT  = -o 

ifneq (,$(findstring msvc,$(platform)))
	OBJOUT = -Fo
	LINKOUT = -out:
ifeq ($(STATIC_LINKING),1)
	LD ?= lib.exe
	STATIC_LINKING=0

	ifeq ($(DEBUG), 1)
		CFLAGS += -MTd
		CXXFLAGS += -MTd
	else
		CFLAGS += -MT
		CXXFLAGS += -MT
	endif
else
	LD = link.exe

	ifeq ($(DEBUG), 1)
		CFLAGS += -MDd
		CXXFLAGS += -MDd
	else
		CFLAGS += -MD
		CXXFLAGS += -MD
	endif
endif
else
	LD = $(CXX)
endif

$(TARGET): $(OBJECTS)
ifeq ($(platform), emscripten)
	$(CXX) $(CXXFLAGS) $(OBJOUT)$@ $^
else ifeq ($(STATIC_LINKING), 1)
	$(AR) rcs $@ $(OBJECTS)
else
	$(LD) $(LINKOUT)$@ $^ $(LDFLAGS) $(LIBS)
endif

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

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

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

.PHONY: clean