STATIC_LINKING=0
PREINITIALIZED:=0

# platform
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 ($(shell uname -a),)
	EXE_EXT = .exe
	system_platform = win
else ifneq ($(findstring Darwin,$(shell uname -a)),)
	system_platform = osx
	arch = intel
	ifeq ($(shell uname -p),powerpc)
		arch = ppc
	endif
	ifeq ($(shell uname -p),arm)
		arch = arm64
	endif
else ifneq ($(findstring MINGW,$(shell uname -a)),)
	system_platform = win
endif

TARGET_NAME := 2048
GIT_VERSION ?= " $(shell git rev-parse --short HEAD || echo unknown)"
ifneq ($(GIT_VERSION)," unknown")
	CFLAGS += -DGIT_VERSION=\"$(GIT_VERSION)\"
endif

ifneq (,$(findstring msvc,$(platform)))
LIBS :=
else
LIBS := -lm
endif
fpic=

ifeq ($(STATIC_LINKING),1)
	EXT=a

ifeq ($(platform), unix)
PLAT=_unix
endif
endif

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

ifneq (,$(filter $(platform), unix unix-armv7-hardfloat-neon))
	EXT?=so
   TARGET := $(TARGET_NAME)_libretro$(PLAT).$(EXT)
   fpic := -fPIC
   SHARED := -shared -Wl,--no-undefined
else ifeq ($(platform), linux-portable)
	EXT?=so
   TARGET := $(TARGET_NAME)_libretro.$(EXT)
   fpic := -fPIC -nostdlib
   SHARED := -shared -Wl,--no-undefined
	LIBM :=
else ifeq ($(platform), osx)
	EXT?=dylib
   TARGET := $(TARGET_NAME)_libretro.$(EXT)
   fpic := -fPIC
   SHARED := -dynamiclib
   MACSOSVER = `sw_vers -productVersion | cut -d. -f 1`
   OSXVER = `sw_vers -productVersion | cut -d. -f 2`
   OSX_LT_MAVERICKS = `(( $(OSXVER) <= 9)) && echo "YES"`
   ifeq ($(OSX_LT_MAVERICKS),YES)
   	   fpic += -mmacosx-version-min=10.1
   endif

   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)
	LDFLAGS += $(ARCHFLAGS)

# iOS
else ifneq (,$(findstring ios,$(platform)))
	EXT?=dylib
   TARGET := $(TARGET_NAME)_libretro_ios.$(EXT)
   fpic := -fPIC
   SHARED := -dynamiclib
   DEFINES := -DIOS

ifeq ($(IOSSDK),)
   IOSSDK := $(shell xcodebuild -version -sdk iphoneos Path)
endif
ifeq ($(platform),ios-arm64)
  CC = cc -arch arm64 -isysroot $(IOSSDK)
else
	CC = cc -arch armv7 -isysroot $(IOSSDK)
endif
ifeq ($(platform),$(filter $(platform),ios9 ios-arm64))
   SHARED += -miphoneos-version-min=8.0
   CC +=  -miphoneos-version-min=8.0
else
   SHARED += -miphoneos-version-min=5.0
   CC +=  -miphoneos-version-min=5.0
endif

else ifeq ($(platform), tvos-arm64)
   EXT?=dylib
   TARGET := $(TARGET_NAME)_libretro_tvos.$(EXT)
   fpic := -fPIC
   SHARED := -dynamiclib
   DEFINES := -DIOS
ifeq ($(IOSSDK),)
   IOSSDK := $(shell xcodebuild -version -sdk appletvos Path)
endif
   CC = cc -arch arm64 -isysroot $(IOSSDK)
else ifeq ($(platform), theos_ios)
	# 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)
	EXT?=so
	TARGET := $(TARGET_NAME)_libretro_$(platform).$(EXT)
   fpic := -fPIC
   SHARED := -shared -Wl,--no-undefined
   CC = qcc -Vgcc_ntoarmv7le
   CXX = QCC -Vgcc_ntoarmv7le_cpp

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

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

# PS2
else ifeq ($(platform), ps2)
   EXT=a
   TARGET := $(TARGET_NAME)_libretro_$(platform).$(EXT)
   CC = mips64r5900el-ps2-elf-gcc$(EXE_EXT)
   AR = mips64r5900el-ps2-elf-ar$(EXE_EXT)
   PLATFORM_DEFINES := -DPS2 -G0 -DABGR8888
   STATIC_LINKING = 1

# PSP
else ifeq ($(platform), psp1)
	EXT=a
   TARGET := $(TARGET_NAME)_libretro_$(platform).$(EXT)
   CC = psp-gcc$(EXE_EXT)
   AR = psp-ar$(EXE_EXT)
   PLATFORM_DEFINES := -DPSP -G0
   STATIC_LINKING = 1

# Vita
else ifeq ($(platform), vita)
	EXT=a
   TARGET := $(TARGET_NAME)_libretro_$(platform).$(EXT)
	CC = arm-vita-eabi-gcc$(EXE_EXT)
	AR = arm-vita-eabi-ar$(EXE_EXT)
   PLATFORM_DEFINES := -DVITA
   STATIC_LINKING = 1
# DOS
else ifeq ($(platform), dos)
	TARGET := $(TARGET_NAME)_libretro_$(platform).a
	CC = i586-pc-msdosdjgpp-gcc
	AR = i586-pc-msdosdjgpp-ar
	CXX = i586-pc-msdosdjgpp-g++
	PLATFORM_DEFINES += -march=i386
	STATIC_LINKING=1

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

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

# Nintendo Wii
else ifeq ($(platform), wii)
	EXT=a
	TARGET := $(TARGET_NAME)_libretro_$(platform).$(EXT)
	CC = $(DEVKITPPC)/bin/powerpc-eabi-gcc$(EXE_EXT)
	CC_AS = $(DEVKITPPC)/bin/powerpc-eabi-gcc$(EXE_EXT)
	AR = $(DEVKITPPC)/bin/powerpc-eabi-ar$(EXE_EXT)
	PLATFORM_DEFINES += -DGEKKO -DHW_RVL -mrvl -mcpu=750 -meabi -mhard-float
	STATIC_LINKING = 1

# Nintendo Switch (libnx)
else ifeq ($(platform), libnx)
    include $(DEVKITPRO)/libnx/switch_rules
    EXT=a
    TARGET := $(TARGET_NAME)_libretro_$(platform).$(EXT)
    DEFINES := -DSWITCH=1 -U__linux__ -U__linux -DRARCH_INTERNAL
    CFLAGS	:=	 $(DEFINES) -g -O3 \
                 -fPIE -I$(LIBNX)/include/ -ffunction-sections -fdata-sections -ftls-model=local-exec -Wl,--allow-multiple-definition -specs=$(LIBNX)/switch.specs
    CFLAGS += $(INCDIRS)
    CFLAGS	+=	-D__SWITCH__ -DHAVE_LIBNX -march=armv8-a -mtune=cortex-a57 -mtp=soft
    CXXFLAGS := $(ASFLAGS) $(CFLAGS) -fno-rtti -std=gnu++11
    CFLAGS += -std=gnu11
    STATIC_LINKING = 1

# 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
	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)
	CPPFLAGS += $(CFLAGS)
	ASFLAGS += $(CFLAGS)
	ifeq ($(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
#######################################

# Nintendo WiiU
else ifeq ($(platform), wiiu)
	EXT=a
	TARGET := $(TARGET_NAME)_libretro_$(platform).$(EXT)
	CC = $(DEVKITPPC)/bin/powerpc-eabi-gcc$(EXE_EXT)
	CC_AS = $(DEVKITPPC)/bin/powerpc-eabi-gcc$(EXE_EXT)
	AR = $(DEVKITPPC)/bin/powerpc-eabi-ar$(EXE_EXT)
	PLATFORM_DEFINES += -DGEKKO -DWIIU -DHW_RVL -mrvl -mcpu=750 -meabi -mhard-float
	STATIC_LINKING = 1

# Nintendo Switch (libtransistor)
else ifeq ($(platform), switch)
	EXT=a
        TARGET := $(TARGET_NAME)_libretro_$(platform).$(EXT)
        include $(LIBTRANSISTOR_HOME)/libtransistor.mk
        STATIC_LINKING=1

else ifeq ($(platform), genode)
	TARGET  := $(TARGET_NAME)_libretro.lib.so
	CC      := $(shell pkg-config genode-base --variable=cc)
	LD      := $(shell pkg-config genode-base --variable=ld)
	CFLAGS  := $(shell pkg-config genode-libc --cflags)
	LDFLAGS := $(shell pkg-config genode-lib genode-libc --libs)
	LIBS =

# Windows MSVC 2003 Xbox 1
else ifeq ($(platform), xbox1_msvc2003)
TARGET := $(TARGET_NAME)_libretro_xdk1.lib
CC  = CL.exe
CXX  = CL.exe
LD   = lib.exe

export INCLUDE := $(XDK)/xbox/include
export LIB := $(XDK)/xbox/lib
PATH := $(call unixcygpath,$(XDK)/xbox/bin/vc71):$(PATH)
PSS_STYLE :=2
CFLAGS   += -D_XBOX -D_XBOX1
CXXFLAGS += -D_XBOX -D_XBOX1
STATIC_LINKING=1
HAS_GCC := 0
# Windows MSVC 2010 Xbox 360
else ifeq ($(platform), xbox360_msvc2010)
TARGET := $(TARGET_NAME)_libretro_xdk360.lib
MSVCBINDIRPREFIX = $(XEDK)/bin/win32
CC  = "$(MSVCBINDIRPREFIX)/cl.exe"
CXX  = "$(MSVCBINDIRPREFIX)/cl.exe"
LD   = "$(MSVCBINDIRPREFIX)/lib.exe"

export INCLUDE := $(XEDK)/include/xbox
export LIB := $(XEDK)/lib/xbox
PSS_STYLE :=2
CFLAGS   += -D_XBOX -D_XBOX360
CXXFLAGS += -D_XBOX -D_XBOX360
STATIC_LINKING=1
HAS_GCC := 0

# Windows MSVC 2010 x64
else ifeq ($(platform), windows_msvc2010_x64)

ifeq ($(PREINITIALIZED),1)
	CC  ?= cl.exe
	CXX ?= cl.exe
else
	CC  = cl.exe
	CXX = cl.exe

PATH := $(shell IFS=$$'\n'; cygpath "$(VS100COMNTOOLS)../../VC/bin/amd64"):$(PATH)
PATH := $(PATH):$(shell IFS=$$'\n'; cygpath "$(VS100COMNTOOLS)../IDE")
LIB := $(shell IFS=$$'\n'; cygpath "$(VS100COMNTOOLS)../../VC/lib/amd64")
INCLUDE := $(shell IFS=$$'\n'; cygpath "$(VS100COMNTOOLS)../../VC/include")

WindowsSdkDir := $(shell reg query "HKLM\SOFTWARE\Microsoft\Microsoft SDKs\Windows\v7.0A" -v "InstallationFolder" | grep -o '[A-Z]:\\.*')lib/x64
WindowsSdkDir ?= $(shell reg query "HKLM\SOFTWARE\Microsoft\Microsoft SDKs\Windows\v7.1A" -v "InstallationFolder" | grep -o '[A-Z]:\\.*')lib/x64

WindowsSdkDirInc := $(shell reg query "HKLM\SOFTWARE\Microsoft\Microsoft SDKs\Windows\v7.0A" -v "InstallationFolder" | grep -o '[A-Z]:\\.*')Include
WindowsSdkDirInc ?= $(shell reg query "HKLM\SOFTWARE\Microsoft\Microsoft SDKs\Windows\v7.1A" -v "InstallationFolder" | grep -o '[A-Z]:\\.*')Include


INCFLAGS_PLATFORM = -I"$(WindowsSdkDirInc)"
export INCLUDE := $(INCLUDE)
export LIB := $(LIB);$(WindowsSdkDir)
endif

TARGET := $(TARGET_NAME)_libretro.dll
PSS_STYLE :=2
LDFLAGS += -DLL
# Windows MSVC 2010 x86
else ifeq ($(platform), windows_msvc2010_x86)
	CC  = cl.exe
	CXX = cl.exe

PATH := $(shell IFS=$$'\n'; cygpath "$(VS100COMNTOOLS)../../VC/bin"):$(PATH)
PATH := $(PATH):$(shell IFS=$$'\n'; cygpath "$(VS100COMNTOOLS)../IDE")
LIB := $(shell IFS=$$'\n'; cygpath -w "$(VS100COMNTOOLS)../../VC/lib")
INCLUDE := $(shell IFS=$$'\n'; cygpath "$(VS100COMNTOOLS)../../VC/include")

WindowsSdkDir := $(shell reg query "HKLM\SOFTWARE\Microsoft\Microsoft SDKs\Windows\v7.0A" -v "InstallationFolder" | grep -o '[A-Z]:\\.*')lib
WindowsSdkDir ?= $(shell reg query "HKLM\SOFTWARE\Microsoft\Microsoft SDKs\Windows\v7.1A" -v "InstallationFolder" | grep -o '[A-Z]:\\.*')lib

WindowsSdkDirInc := $(shell reg query "HKLM\SOFTWARE\Microsoft\Microsoft SDKs\Windows\v7.0A" -v "InstallationFolder" | grep -o '[A-Z]:\\.*')Include
WindowsSdkDirInc ?= $(shell reg query "HKLM\SOFTWARE\Microsoft\Microsoft SDKs\Windows\v7.1A" -v "InstallationFolder" | grep -o '[A-Z]:\\.*')Include


INCFLAGS_PLATFORM = -I"$(WindowsSdkDirInc)"
export INCLUDE := $(INCLUDE)
export LIB := $(LIB);$(WindowsSdkDir)
TARGET := $(TARGET_NAME)_libretro.dll
PSS_STYLE :=2
LDFLAGS += -DLL

# 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=$$'\n'; cygpath "$(VS80COMNTOOLS)../../VC/include")
LIB := $(shell IFS=$$'\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
PSS_STYLE :=2
LDFLAGS += -DLL
CFLAGS += -D_CRT_SECURE_NO_DEPRECATE

# 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;src/drivers/libretro/msvc/msvc-2005
export LIB := $(LIB);$(WindowsSdkDir);$(INETSDK)/Lib
TARGET := $(TARGET_NAME)_libretro.dll
PSS_STYLE :=2
LDFLAGS += -DLL
CFLAGS += -D_CRT_SECURE_NO_DEPRECATE

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

	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 -DWINDLL -D_UNICODE -DUNICODE -DWRL_NO_DEFAULT_LIB -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
	HAS_GCC := 0

	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)")

	export INCLUDE := $(INCLUDE);$(WindowsSDKSharedIncludeDir);$(WindowsSDKUCRTIncludeDir);$(WindowsSDKUMIncludeDir)
	export LIB := $(LIB);$(WindowsSDKUCRTLibDir);$(WindowsSDKUMLibDir)
	TARGET := $(TARGET_NAME)_libretro.dll
	PSS_STYLE :=2
	LDFLAGS += -DLL

else
	EXT?=dll

  ifeq ($(MSYSTEM),MINGW64)
      CC ?= x86_64-w64-mingw32-gcc
      CXX ?= x86_64-w64-mingw32-g++
      COREFLAGS += -DWIN64
      ASFLAGS = -f win64 -d WIN64
      PIC = 1
   else ifeq ($(MSYSTEM),MINGW32)
      CC ?= i686-w64-mingw32-gcc
      CXX ?= i686-w64-mingw32-g++
      COREFLAGS += -DWIN32
      ASFLAGS = -f win32 -d WIN32 -d LEADING_UNDERSCORE
   endif

   TARGET := $(TARGET_NAME)_libretro.$(EXT)
   SHARED := -shared -static-libgcc -static-libstdc++ -Wl,--no-undefined -s
endif

ifeq ($(STATIC_LINKING),1)
fpic=
SHARED=
endif

ifeq ($(DEBUG), 1)
ifneq (,$(findstring msvc,$(platform)))
	ifeq ($(STATIC_LINKING),1)
	CFLAGS += -MTd
	CXXFLAGS += -MTd
else
	CFLAGS += -MDd
	CXXFLAGS += -MDd
endif

CFLAGS += -Od -Zi -DDEBUG -D_DEBUG
CXXFLAGS += -Od -Zi -DDEBUG -D_DEBUG
	else
	CFLAGS += -O0 -g -DDEBUG
	CXXFLAGS += -O0 -g -DDEBUG
endif
else
ifneq (,$(findstring msvc,$(platform)))
ifeq ($(STATIC_LINKING),1)
	CFLAGS += -MT
	CXXFLAGS += -MT
else
	CFLAGS += -MD
	CXXFLAGS += -MD
endif

CFLAGS += -O2 -DNDEBUG
CXXFLAGS += -O2 -DNDEBUG
else
	CFLAGS += -O2 -DNDEBUG
	CXXFLAGS += -O2 -DNDEBUG
endif
endif

CORE_DIR := .

include Makefile.common

OBJECTS := $(SOURCES_C:.c=.o)
CFLAGS += $(fpic) $(PLATFORM_DEFINES)

CFLAGS += $(INCFLAGS)
LFLAGS := 
LDFLAGS += $(LIBM)

with_fpic=
ifneq ($(fpic),)
   with_fpic := --with-pic=yes
endif

OBJOUT   = -o
LINKOUT  = -o 

ifneq (,$(findstring msvc,$(platform)))
	OBJOUT = -Fo
	LINKOUT = -out:
ifeq ($(STATIC_LINKING),1)
	LD ?= lib.exe
	STATIC_LINKING=0
else
ifeq ($(PREINITIALIZED),1)
	LD ?= link.exe
else
	LD = link.exe
endif
endif
else ifneq ($(platform),genode)
	LD = $(CC)
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)
ifneq (,$(findstring msvc,$(platform)))
	$(LD) $(LINKOUT)$@ $(OBJECTS)
else
	$(AR) rcs $@ $(OBJECTS)
endif
else
	$(LD) $(fpic) $(SHARED) $(INCLUDES) $(LFLAGS) $(LINKOUT)$@ $(OBJECTS) $(LDFLAGS) $(LIBS)
endif

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

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

.PHONY: clean
endif