DEBUG=0
WITH_DYNAREC := 1

DYNAFLAGS :=
INCFLAGS  := -I.
COREFLAGS :=
CPUFLAGS  :=

PLATOFRM_EXT :=

UNAME=$(shell uname -a)

# Cross compile ?

ifeq (,$(TARGET_ARCH))
	TARGET_ARCH = $(shell uname -m)
endif

ifneq (,$(findstring 64,$(TARGET_ARCH)))
   TARGET_ARCH := x86_64
else ifneq (,$(findstring 86,$(TARGET_ARCH)))
   TARGET_ARCH := x86
endif

ifeq ($(platform),)
	platform = unix
	ifeq ($(UNAME),)
		platform = win
	else ifneq ($(findstring MINGW,$(UNAME)),)
		platform = win
	else ifneq ($(findstring Darwin,$(UNAME)),)
		platform = osx
		LDFLAGS += -lm
	else ifneq ($(findstring win,$(UNAME)),)
		platform = win
	endif
endif

ifeq ($(platform), unix)
LDFLAGS += -lm
endif

# Dirs
CORE_DIR			= ..
FFMPEGDIR		= $(CORE_DIR)/ffmpeg
LIBRETRODIR		= $(CORE_DIR)/libretro
COREDIR			= $(CORE_DIR)/Core
COMMONDIR		= $(CORE_DIR)/Common
GPUCOMMONDIR	= $(CORE_DIR)/GPU/Common
GPUDIR			= $(CORE_DIR)/GPU
NATIVEDIR		= $(CORE_DIR)/native
EXTDIR			= $(CORE_DIR)/ext

TARGET_NAME := ppsspp

FFMPEGINCFLAGS :=
FFMPEGLIBDIR :=
FFMPEGLIBS :=

# Unix
ifneq (,$(findstring unix,$(platform)))
	TARGET := $(TARGET_NAME)_libretro.so
	LDFLAGS += -shared -Wl,--version-script=link.T -Wl,--no-undefined

	FFMPEGINCFLAGS += -I$(FFMPEGDIR)/linux/$(TARGET_ARCH)/include
	FFMPEGLIBDIR := $(FFMPEGDIR)/linux/$(TARGET_ARCH)/lib
	FFMPEGLDFLAGS += -L$(FFMPEGLIBDIR) -lavformat -lavcodec -lavutil -lswresample -lswscale
	fpic = -fPIC
	ifneq (,$(findstring gles,$(platform)))
		GLES = 1
		GL_LIB := -lGLESv2
	else
		GL_LIB := -lGL
	endif
	PLATFORM_EXT = unix
	LDFLAGS += -lrt -ldl

# Raspberry Pi
else ifneq (,$(findstring rpi,$(platform)))
	TARGET := $(TARGET_NAME)_libretro.so
	LDFLAGS += -shared -Wl,--version-script=link.T
	fpic = -fPIC
	GLES = 1
	GL_LIB := -lGLESv2
	INCFLAGS += -I/opt/vc/include
	CPUFLAGS += -DARMv5_ONLY
	PLATFORM_EXT = unix
	TARGET_ARCH = arm
	LDFLAGS += -lrt -ldl

# ARM64
else ifneq (,$(findstring arm64,$(platform)))
	TARGET := $(TARGET_NAME)_libretro.so
	TARGET_ARCH = arm64
	fpic := -fPIC
	LDFLAGS += -shared -Wl,--version-script=link.T -Wl,--no-undefined
	FFMPEGINCFLAGS += -I$(FFMPEGDIR)/linux/aarch64/include
	FFMPEGLIBDIR := $(FFMPEGDIR)/linux/aarch64/lib
	FFMPEGLDFLAGS += -L$(FFMPEGLIBDIR) -lavformat -lavcodec -lavutil -lswresample -lswscale
	INCFLAGS += -I.
	HAVE_NEON=1
	ifneq (,$(findstring gles,$(platform)))
		GLES := 1
		GL_LIB := -lGLESv2 -lEGL
		LDFLAGS += -lGLESv2 -lEGL
	else
		GL_LIB := -lGL
	endif
	CPUFLAGS += -D__arm64__ -DARM64_ASM -D__NEON_OPT
	LDFLAGS += -lrt -ldl
	PLATFORM_EXT = unix

# i.MX6
else ifneq (,$(findstring imx6,$(platform)))
	TARGET := $(TARGET_NAME)_libretro.so
	LDFLAGS += -shared -Wl,--version-script=link.T
	fpic = -fPIC
	GLES = 1
	GL_LIB := -lGLESv2
	CPUFLAGS +=
	PLATFORM_EXT = unix
	TARGET_ARCH = arm
	HAVE_NEON=1
	FFMPEGINCFLAGS += -I$(FFMPEGDIR)/linux/$(TARGET_ARCH)/include
	FFMPEGLIBDIR := $(FFMPEGDIR)/linux/$(TARGET_ARCH)/lib
	FFMPEGLDFLAGS += -L$(FFMPEGLIBDIR) -lavformat -lavcodec -lavutil -lswresample -lswscale
	LDFLAGS += -lrt -ldl

# OS X
else ifneq (,$(findstring osx,$(platform)))
	TARGET := $(TARGET_NAME)_libretro.dylib
   MINVERSION :=
	LDFLAGS += -dynamiclib
	OSXVER = `sw_vers -productVersion | cut -d. -f 2`
	OSX_LT_MAVERICKS = `(( $(OSXVER) <= 9 )) && echo "YES"`
	ifeq ($(OSX_LT_MAVERICKS),"YES")
      MINVERSION += -mmacosx-version-min=10.5
	endif
	LDFLAGS += $(MINVERSION)
   LDFLAGS += -stdlib=libc++
	fpic = -fPIC

	FFMPEGINCFLAGS += -I$(FFMPEGDIR)/macosx/universal/include
	FFMPEGLIBDIR := $(FFMPEGDIR)/macosx/universal/lib
	FFMPEGLDFLAGS += -liconv -L$(FFMPEGLIBDIR) -lavformat -lavcodec -lavutil -lswresample -lswscale
	PLATCFLAGS += -D__MACOSX__
	GL_LIB := -framework OpenGL
	PLATFORM_EXT = darwin

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

	PLATCFLAGS  += $(ARCHFLAGS)
	LDFLAGS += $(ARCHFLAGS)

# iOS
else ifneq (,$(findstring ios,$(platform)))
	TARGET := $(TARGET_NAME)_libretro_ios.dylib
	LDFLAGS += -dynamiclib -marm
	fpic = -fPIC
	GLES = 1
	GL_LIB := -framework OpenGLES
   MINVERSION :=
	HAVE_NEON = 1

	FFMPEGINCFLAGS += -I$(FFMPEGDIR)/ios/universal/include
	FFMPEGLIBDIR := $(FFMPEGDIR)/ios/universal/lib
	FFMPEGLDFLAGS += -L$(FFMPEGLIBDIR) -lavformat -lavcodec -lavutil -lswresample -lswscale

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

ifeq ($(platform),ios-arm64)
	CC = clang -arch arm64 -isysroot $(IOSSDK)
	CXX = clang++ -arch arm64 -isysroot $(IOSSDK)
else
	CC = clang -arch armv7 -isysroot $(IOSSDK)
	CXX = clang++ -arch armv7 -isysroot $(IOSSDK)
endif
	OSXVER = `sw_vers -productVersion | cut -c 4`
   ifneq ($(OSXVER),9)
      MINVERSION = -miphoneos-version-min=5.0
   else
      MINVERSION = -miphoneos-version-min=8.0
   endif
	PLATCFLAGS += $(MINVERSION)
	PLATCFLAGS += -DHAVE_POSIX_MEMALIGN
	CPUFLAGS += -DARMv5_ONLY -DARM
	PLATFORM_EXT = darwin
	TARGET_ARCH = arm

else ifeq ($(platform), tvos-arm64)
	TARGET := $(TARGET_NAME)_libretro_tvos.dylib
	LDFLAGS += -dynamiclib -marm
	fpic = -fPIC
	GLES = 1
	GL_LIB := -framework OpenGLES
   MINVERSION :=
	HAVE_NEON = 1

	FFMPEGINCFLAGS += -I$(FFMPEGDIR)/ios/universal/include
	FFMPEGLIBDIR := $(FFMPEGDIR)/ios/universal/lib
	FFMPEGLDFLAGS += -L$(FFMPEGLIBDIR) -lavformat -lavcodec -lavutil -lswresample -lswscale

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

	CC = clang -arch arm64 -isysroot $(IOSSDK)
	CXX = clang++ -arch arm64 -isysroot $(IOSSDK)
	OSXVER = `sw_vers -productVersion | cut -c 4`
	PLATCFLAGS += $(MINVERSION)
	PLATCFLAGS += -DHAVE_POSIX_MEMALIGN
	CPUFLAGS += -DARMv5_ONLY -DARM
	PLATFORM_EXT = darwin
	TARGET_ARCH = arm

# Android
else ifneq (,$(findstring android,$(platform)))
	fpic = -fPIC
	TARGET := $(TARGET_NAME)_libretro_android.so
	LDFLAGS += -shared -Wl,--version-script=link.T -Wl,--no-undefined -Wl,--warn-common
	GL_LIB := -lGLESv2

	CC = arm-linux-androideabi-gcc
	CXX = arm-linux-androideabi-g++
	TARGET_ARCH = arm
	GLES = 1
	PLATCFLAGS += -DANDROID
	CPUCFLAGS  +=
	HAVE_NEON = 1
	CPUFLAGS += -marm -mcpu=cortex-a8 -mfpu=neon -mfloat-abi=softfp -D__arm__ -DARM_ASM -D__NEON_OPT
	CFLAGS += -DANDROID
	LDFLAGS += -llog -lGLESv2 -lEGL

	FFMPEGINCFLAGS += -I$(FFMPEGDIR)/android/armv7/include
	FFMPEGLIBDIR := $(FFMPEGDIR)/android/armv7/lib
	FFMPEGLDFLAGS += -L$(FFMPEGLIBDIR) -lavformat -lavcodec -lavutil -lswresample -lswscale

	PLATFORM_EXT = android

# QNX
else ifeq ($(platform), qnx)
	fpic = -fPIC
	TARGET := $(TARGET_NAME)_libretro_qnx.so
	LDFLAGS += -shared -Wl,--version-script=link.T -Wl,--no-undefined -Wl,--warn-common
	GL_LIB := -lGLESv2

	CC = qcc -Vgcc_ntoarmv7le
	AS = qcc -Vgcc_ntoarmv7le
	CXX = QCC -Vgcc_ntoarmv7le
	AR = QCC -Vgcc_ntoarmv7le
	TARGET_ARCH = arm
	GLES = 1
	PLATCFLAGS += -D__BLACKBERRY_QNX__
	HAVE_NEON = 1
	CPUFLAGS += -marm -mcpu=cortex-a9 -mfpu=neon -mfloat-abi=softfp -D__arm__ -DARM_ASM -D__NEON_OPT
	CFLAGS += -D__QNX__

	PLATFORM_EXT = unix

# ARM
else ifneq (,$(findstring armv,$(platform)))
	TARGET := $(TARGET_NAME)_libretro.so
	TARGET_ARCH = armv7
	fpic := -fPIC
	LDFLAGS += -shared -Wl,--version-script=link.T -Wl,--no-undefined
	FFMPEGINCFLAGS += -I$(FFMPEGDIR)/linux/$(TARGET_ARCH)/include
	FFMPEGLIBDIR := $(FFMPEGDIR)/linux/$(TARGET_ARCH)/lib
	FFMPEGLDFLAGS += -L$(FFMPEGLIBDIR) -lavformat -lavcodec -lavutil -lswresample -lswscale
	INCFLAGS += -I.
	ifneq (,$(findstring gles,$(platform)))
		GLES := 1
		GL_LIB := -lGLESv2 -lEGL
		LDFLAGS += -lGLESv2 -lEGL
	else
		GL_LIB := -lGL
	endif
	ifneq (,$(findstring cortexa8,$(platform)))
		CPUFLAGS += -marm -mcpu=cortex-a8
	else ifneq (,$(findstring cortexa9,$(platform)))
		CPUFLAGS += -marm -mcpu=cortex-a9
	endif
		CPUFLAGS += -marm
	ifneq (,$(findstring neon,$(platform)))
		CPUFLAGS += -mfpu=neon -D__NEON_OPT
		HAVE_NEON = 1
	endif
	ifneq (,$(findstring softfloat,$(platform)))
		CPUFLAGS += -mfloat-abi=softfp
	else ifneq (,$(findstring hardfloat,$(platform)))
		CPUFLAGS += -mfloat-abi=hard
	endif
	CPUFLAGS += -D__arm__ -DARM_ASM
	LDFLAGS += -lrt -ldl

# emscripten
else ifeq ($(platform), emscripten)
	TARGET := $(TARGET_NAME)_libretro_emscripten.bc
	GLES := 1
	CPUFLAGS +=
	PLATCFLAGS += -DCC_resampler=mupen_CC_resampler -Dsinc_resampler=mupen_sinc_resampler \
					-Drglgen_symbol_map=mupen_rglgen_symbol_map -Dmain_exit=mupen_main_exit \
					-Dadler32=mupen_adler32 -Drarch_resampler_realloc=mupen_rarch_resampler_realloc \
					-Daudio_convert_s16_to_float_C=mupen_audio_convert_s16_to_float_C -Daudio_convert_float_to_s16_C=mupen_audio_convert_float_to_s16_C \
					-Daudio_convert_init_simd=mupen_audio_convert_init_simd -Drglgen_resolve_symbols_custom=mupen_rglgen_resolve_symbols_custom \
					-Drglgen_resolve_symbols=mupen_rglgen_resolve_symbols
	PLATFORM_EXT = unix

# 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 -D_UNICODE -DUNICODE -DWINVER=0x0600 -D_WIN32_WINNT=0x0600
		LDFLAGS += -MANIFEST -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
		LDFLAGS += -APPCONTAINER -NXCOMPAT -DYNAMICBASE -MANIFEST:NO -OPT:REF -SUBSYSTEM:CONSOLE -MANIFESTUAC:NO -OPT:ICF -ERRORREPORT:PROMPT -NOLOGO -TLBID:1 -DEBUG:FULL -WINMD:NO
		LIBS += WindowsApp.lib
	endif

	ifeq ($(DEBUG), 1)
		MSVC2017CompileFlags += -DEBUG
	endif

	CFLAGS += $(MSVC2017CompileFlags) -nologo
	CXXFLAGS += $(MSVC2017CompileFlags) -nologo -EHsc -DARMIPS_USE_STD_FILESYSTEM

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

	CC  = cl.exe
	CXX = cl.exe

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

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

	b1 := (
	b2 := )
	ProgramFiles86w := $(ProgramFiles$(b1)x86$(b2))
	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)
	VcCompilerLibDir := $(VcCompilerToolsDir)/lib/$(TargetArchMoniker)

	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)")

	LIB := $(shell IFS=$$'\n'; cygpath -w "$(VcCompilerLibDir)")
	INCLUDE := $(shell IFS=$$'\n'; cygpath -w "$(VcCompilerToolsDir)/include")

	# 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)))
		override TARGET_ARCH = x86_64
		VCCompilerToolsBinDir := $(VcCompilerToolsDir)/bin/HostX64/$(TargetArchMoniker)
      LIB := $(LIB);$(CORE_DIR)/dx9sdk/Lib/x64
	else
		override TARGET_ARCH = x86
		VCCompilerToolsBinDir := $(VcCompilerToolsDir)/bin/HostX86/$(TargetArchMoniker)
      LIB := $(LIB);$(CORE_DIR)/dx9sdk/Lib/x86
	endif

	PATH := $(shell IFS=$$'\n'; cygpath "$(VCCompilerToolsBinDir)"):$(PATH)
	PATH := $(PATH):$(shell IFS=$$'\n'; cygpath "$(VsInstallRoot)/Common7/IDE")

	export INCLUDE := $(INCLUDE);$(WindowsSDKSharedIncludeDir);$(WindowsSDKUCRTIncludeDir);$(WindowsSDKUMIncludeDir)
	export LIB := $(LIB);$(WindowsSDKUCRTLibDir);$(WindowsSDKUMLibDir);$(FFMPEGDIR)/Windows/$(TARGET_ARCH)/lib
	TARGET := $(TARGET_NAME)_libretro.dll
	PSS_STYLE :=2
	LDFLAGS += -DLL
	PLATFORM_EXT = win32
	FFMPEGINCFLAGS += -I$(FFMPEGDIR)/Windows/$(TARGET_ARCH)/include
	FFMPEGLIBDIR := $(FFMPEGDIR)/Windows/$(TARGET_ARCH)/lib
	FFMPEGLDFLAGS += -LIBPATH:$(FFMPEGLIBDIR)
	GL_LIB := opengl32.lib
	LDFLAGS += ws2_32.lib user32.lib shell32.lib avcodec.lib avutil.lib swresample.lib swscale.lib avformat.lib advapi32.lib winmm.lib gdi32.lib d3d9.lib d3dx9.lib Iphlpapi.lib

# Windows MSVC 2019 all architectures
else ifneq (,$(findstring windows_msvc2019,$(platform)))

	PlatformSuffix = $(subst windows_msvc2019_,,$(platform))
	ifneq (,$(findstring desktop,$(PlatformSuffix)))
		WinPartition = desktop
		MSVC2019CompileFlags = -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_UNICODE -DUNICODE -DWINVER=0x0600 -D_WIN32_WINNT=0x0600
		LDFLAGS += -MANIFEST -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
		MSVC2019CompileFlags = -DWINAPI_FAMILY=WINAPI_FAMILY_APP -DWINDLL -D_UNICODE -DUNICODE -DWRL_NO_DEFAULT_LIB
		LDFLAGS += -APPCONTAINER -NXCOMPAT -DYNAMICBASE -MANIFEST:NO -OPT:REF -SUBSYSTEM:CONSOLE -MANIFESTUAC:NO -OPT:ICF -ERRORREPORT:PROMPT -NOLOGO -TLBID:1 -DEBUG:FULL -WINMD:NO
		LIBS += WindowsApp.lib
	endif

	ifeq ($(DEBUG), 1)
		MSVC2019CompileFlags += -DEBUG
	endif

	CFLAGS += $(MSVC2019CompileFlags) -nologo
	CXXFLAGS += $(MSVC2019CompileFlags) -nologo -EHsc -DARMIPS_USE_STD_FILESYSTEM

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

	CC  = cl.exe
	CXX = cl.exe

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

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

	b1 := (
	b2 := )
	ProgramFiles86w := $(ProgramFiles$(b1)x86$(b2))
	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/2019/BuildTools
	VsInstallEnterprise = $(ProgramFiles86)/Microsoft Visual Studio/2019/Enterprise
	VsInstallProfessional = $(ProgramFiles86)/Microsoft Visual Studio/2019/Professional
	VsInstallCommunity = $(ProgramFiles86)/Microsoft Visual Studio/2019/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)
	VcCompilerLibDir := $(VcCompilerToolsDir)/lib/$(TargetArchMoniker)

	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)")

	LIB := $(shell IFS=$$'\n'; cygpath -w "$(VcCompilerLibDir)")
	INCLUDE := $(shell IFS=$$'\n'; cygpath -w "$(VcCompilerToolsDir)/include")

	# 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)))
		override TARGET_ARCH = x86_64
		VCCompilerToolsBinDir := $(VcCompilerToolsDir)/bin/HostX64/$(TargetArchMoniker)
      LIB := $(LIB);$(CORE_DIR)/dx9sdk/Lib/x64
	else
		override TARGET_ARCH = x86
		VCCompilerToolsBinDir := $(VcCompilerToolsDir)/bin/HostX86/$(TargetArchMoniker)
      LIB := $(LIB);$(CORE_DIR)/dx9sdk/Lib/x86
	endif

	PATH := $(shell IFS=$$'\n'; cygpath "$(VCCompilerToolsBinDir)"):$(PATH)
	PATH := $(PATH):$(shell IFS=$$'\n'; cygpath "$(VsInstallRoot)/Common7/IDE")

	export INCLUDE := $(INCLUDE);$(WindowsSDKSharedIncludeDir);$(WindowsSDKUCRTIncludeDir);$(WindowsSDKUMIncludeDir)
	export LIB := $(LIB);$(WindowsSDKUCRTLibDir);$(WindowsSDKUMLibDir);$(FFMPEGDIR)/Windows/$(TARGET_ARCH)/lib
	TARGET := $(TARGET_NAME)_libretro.dll
	PSS_STYLE :=2
	LDFLAGS += -DLL
	PLATFORM_EXT = win32
	FFMPEGINCFLAGS += -I$(FFMPEGDIR)/Windows/$(TARGET_ARCH)/include
	FFMPEGLIBDIR := $(FFMPEGDIR)/Windows/$(TARGET_ARCH)/lib
	FFMPEGLDFLAGS += -LIBPATH:$(FFMPEGLIBDIR)
	GL_LIB := opengl32.lib
	LDFLAGS += ws2_32.lib user32.lib shell32.lib avcodec.lib avutil.lib swresample.lib swscale.lib avformat.lib advapi32.lib winmm.lib gdi32.lib d3d9.lib d3dx9.lib Iphlpapi.lib

# Windows
else ifneq (,$(findstring win,$(platform)))
	TARGET := $(TARGET_NAME)_libretro.dll
	CFLAGS += -D_UNICODE -DUNICODE
	CXXFLAGS += -fpermissive -Wno-multichar -D_UNICODE -DUNICODE -DARMIPS_USE_STD_FILESYSTEM
	LDFLAGS += -shared -Wl,--no-undefined -static-libgcc -static-libstdc++ -Wl,--version-script=link.T -lwinmm -lgdi32 -lwsock32 -lws2_32 -ld3d9 -ld3dx9
	GL_LIB := -lopengl32
	PLATFORM_EXT = win32
   FFMPEGINCFLAGS += -I$(FFMPEGDIR)/Windows/$(TARGET_ARCH)/include
   FFMPEGLDFLAGS += -lavformat -lavcodec -lavutil -lswresample -lswscale
   INCFLAGS += -include $(CORE_DIR)/Windows/mingw_defines.h
   ifneq (,$(findstring 64,$(TARGET_ARCH)))
		LDFLAGS += -L$(CORE_DIR)/dx9sdk/Lib/x64
	else
		LDFLAGS += -L$(CORE_DIR)/dx9sdk/Lib/x86
	endif
   fpic = -fPIC
	CC = gcc
	CXX = g++
endif

include Makefile.common

ifeq ($(GLES), 1)
	GLFLAGS += -DGLES -DUSING_GLES2
else
	GLFLAGS += -DHAVE_OPENGL
endif

COREFLAGS += -D__LIBRETRO__ -DPPSSPP -DUSE_FFMPEG -DWITH_UPNP -DGLEW_STATIC -DGLEW_NO_GLU -DMINIUPNP_STATICLIB

ifeq ($(DEBUG), 1)
	ifneq (,$(findstring msvc,$(platform)))
		CPUOPTS += -Od -MDd -Zi -FS
		LDFLAGS += -DEBUG
	else
		CPUOPTS += -O0 -g
	endif
	CPUOPTS += -D_DEBUG
else
	CPUOPTS += -O2 -DNDEBUG
endif

ifeq (,$(findstring msvc,$(platform)))
   CXXFLAGS += -std=c++17
else
   CXXFLAGS += -std:c++17
endif

### Finalize ###
OBJECTS		+= $(SOURCES_CXX:.cpp=.o) $(SOURCES_C:.c=.o) $(ASMFILES:.S=.o)
CXXFLAGS    += $(CPUOPTS) $(COREFLAGS) $(FFMPEGINCFLAGS) $(INCFLAGS) $(INCFLAGS_PLATFORM) $(PLATCFLAGS) $(fpic) $(PLATCFLAGS) $(CPUFLAGS) $(GLFLAGS) $(DYNAFLAGS)
CFLAGS		+= $(CPUOPTS) $(COREFLAGS) $(FFMPEGINCFLAGS) $(INCFLAGS) $(INCFLAGS_PLATFORM) $(PLATCFLAGS) $(fpic) $(PLATCFLAGS) $(CPUFLAGS) $(GLFLAGS) $(DYNAFLAGS)

LDFLAGS		+= $(FFMPEGLDFLAGS) $(fpic)
ifeq (,$(findstring android,$(platform))$(findstring msvc,$(platform)))
   LDFLAGS	+= -lpthread
endif

OBJOUT   = -o
LINKOUT  = -o

ifneq (,$(findstring msvc,$(platform)))
	OBJOUT = -Fo
	LINKOUT = -out:
	LD = link.exe
else ifneq (,$(findstring osx,$(platform)))
	LD = $(CXX)
else
	LD = $(CXX)
   CFLAGS += -ffunction-sections -fdata-sections
   CXXFLAGS += -ffunction-sections -fdata-sections
   LDFLAGS += -Wl,--gc-sections
endif

all: $(TARGET)

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

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

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

$(TARGET): $(OBJECTS)
ifeq ($(STATIC_LINKING), 1)
	$(AR) rcs $A $(OBJECTS)
else
	$(LD) $(LINKOUT)$@ $(OBJECTS) $(LDFLAGS) $(GL_LIB)
endif

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

.PHONY: clean

print-%:
	@echo '$*=$($*)'