Makefile.libretro

DEBUG=0
GIT_VERSION := " $(shell git rev-parse --short HEAD || echo unknown)"
ifneq ($(GIT_VERSION)," unknown")
   COMMONFLAGS += -DGIT_VERSION=\"$(GIT_VERSION)\"
endif

UNAME=$(shell uname -a)

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

ifeq ($(EMUTYPE),)
	EMUTYPE = x64
endif

CORE_DIR    := .
TARGET_NAME := vice_$(EMUTYPE)

# system platform
system_platform = unix
ifeq ($(shell uname -a),)
EXE_EXT = .exe
   system_platform = win
else ifneq ($(findstring Darwin,$(shell uname -a)),)
   system_platform = osx
else ifneq ($(findstring MINGW,$(shell uname -a)),)
   system_platform = win
endif

ifeq ($(platform), unix)
   TARGET := $(TARGET_NAME)_libretro.so
   LDFLAGS += -shared -Wl,--version-script=$(CORE_DIR)/libretro/link.T
   
   fpic = -fPIC
else ifeq ($(platform), crosspi)
   CC = ~/RPI/tools-master/arm-bcm2708/gcc-linaro-arm-linux-gnueabihf-raspbian-x64/bin/arm-linux-gnueabihf-gcc
	CXX =~/RPI/tools-master/arm-bcm2708/gcc-linaro-arm-linux-gnueabihf-raspbian-x64/bin/arm-linux-gnueabihf-g++
   TARGET := $(TARGET_NAME)_libretro.so
   fpic := -fPIC
   SHARED :=   -L~/RPI/usr/lib/arm-linux-gnueabihf -L~/RPI/lib -L~/RPI/lib/arm-linux-gnueabihf -shared -Wl,--no-undefined 
   CFLAGS +=  -DARM -DRPIPORT -DALIGN_DWORD -mstructure-size-boundary=32 -mthumb-interwork -falign-functions=16 -marm
   CFLAGS += -march=armv7-a -mfloat-abi=hard -mfpu=vfpv3 -O2 -pipe -fstack-protector 

   CFLAGS +=-I~/RPI/usr/include/arm-linux-gnueabihf -I/home/tech/RPI/usr/include
 LDFLAGS += -shared -Wl,--version-script=$(CORE_DIR)/libretro/link.T -L/home/tech/RPI/usr/lib
#-I./../sources/src/include

# 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 := $(TARGET_NAME)_libretro.so
	fpic := -fPIC
  LDFLAGS := -shared -Wl,--version-script=$(CORE_DIR)/libretro/link.T  -Wl,--no-undefined
	CFLAGS += -DARM -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 Switch (libnx)
else ifeq ($(platform), libnx)
   include $(DEVKITPRO)/libnx/switch_rules
   TARGET := $(TARGET_NAME)_libretro_$(platform).a
   CFLAGS += -O3 -fomit-frame-pointer -ffast-math -I$(DEVKITPRO)/libnx/include/ -fPIE -Wl,--allow-multiple-definition
   CFLAGS += -specs=$(DEVKITPRO)/libnx/switch.specs
   CFLAGS += -D__SWITCH__ -DHAVE_LIBNX -DHAVE_GETPWUID=0 -DHAVE_GETCWD=1
   CFLAGS += -march=armv8-a -mtune=cortex-a57 -mtp=soft -ffast-math -mcpu=cortex-a57+crc+fp+simd -ffunction-sections
   CFLAGS += -Ifrontend/switch -ftree-vectorize
   STATIC_LINKING=1

else ifeq ($(platform), osx)
   TARGET := $(TARGET_NAME)_libretro.dylib
   LDFLAGS += -dynamiclib
   
   fpic = -fPIC
	ifeq ($(arch),ppc)
		COMMONFLAGS += -DBLARGG_BIG_ENDIAN=1 -D__ppc__
	endif
	OSXVER = `sw_vers -productVersion | cut -d. -f 2`
	OSX_LT_MAVERICKS = `(( $(OSXVER) <= 9)) && echo "YES"`
	fpic += -mmacosx-version-min=10.1
	CFLAGS += -DHAVE_STRLCPY -DHAVE_VSNPRINTF -DHAVE_SNPRINTF -DHAVE_STPCPY
	CXXFLAGS += -DHAVE_STRLCPY -DHAVE_VSNPRINTF -DHAVE_SNPRINTF -DHAVE_STPCPY
ifndef ($(UNIVERSAL))
	CFLAGS += $(ARCHFLAGS)
	CXXFLAGS += $(ARCHFLAGS)
	LDFLAGS += $(ARCHFLAGS)
endif
else ifneq (,$(findstring ios,$(platform)))
   TARGET := $(TARGET_NAME)_libretro_ios.dylib
   COMMONFLAGS += -DHAVE_POSIX_MEMALIGN=1 -marm
   fpic = -fPIC
   LDFLAGS += -dynamiclib
 
	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
	COMMONFLAGS += -DIOS 
	CFLAGS += -DHAVE_STRLCPY -DHAVE_VSNPRINTF -DHAVE_SNPRINTF -DHAVE_STPCPY
	CXXFLAGS += -DHAVE_STRLCPY -DHAVE_VSNPRINTF -DHAVE_SNPRINTF -DHAVE_STPCPY
	OSXVER = `sw_vers -productVersion | cut -d. -f 2`
	OSX_LT_MAVERICKS = `(( $(OSXVER) <= 9)) && echo "YES"`
	ifeq ($(OSX_LT_MAVERICKS),"YES")
		CC += -miphoneos-version-min=5.0
		COMMONFLAGS += -miphoneos-version-min=5.0
	endif
else ifeq ($(platform), tvos-arm64)
   TARGET := $(TARGET_NAME)_libretro_tvos.dylib
   COMMONFLAGS += -DHAVE_POSIX_MEMALIGN=1 -marm
   fpic = -fPIC
   LDFLAGS += -dynamiclib
   ifeq ($(IOSSDK),)
     IOSSDK := $(shell xcodebuild -version -sdk appletvos Path)
   endif
   COMMONFLAGS += -DIOS 
   CFLAGS += -DHAVE_STRLCPY -DHAVE_VSNPRINTF -DHAVE_SNPRINTF -DHAVE_STPCPY
   CXXFLAGS += -DHAVE_STRLCPY -DHAVE_VSNPRINTF -DHAVE_SNPRINTF -DHAVE_STPCPY

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
COMMONFLAGS += -DIOS
COMMONFLAGS += -DHAVE_POSIX_MEMALIGN=1 -marm
include $(THEOS)/makefiles/common.mk

LIBRARY_NAME = $(TARGET_NAME)_libretro_ios
else ifeq ($(platform), qnx)
   TARGET := $(TARGET_NAME)_libretro_qnx.so
   fpic := -fPIC
   SHARED := -lcpp -lm -shared -Wl,-version-script=link.T
	CC = qcc -Vgcc_ntoarmv7le
   CC_AS = qcc -Vgcc_ntoarmv7le
	CXX = QCC -Vgcc_ntoarmv7le_cpp
	AR = QCC -Vgcc_ntoarmv7le
   PLATFORM_DEFINES := -D__BLACKBERRY_QNX__ -fexceptions -marm -mcpu=cortex-a9 -mfpu=neon -mfloat-abi=softfp
# ANDROID STANDALONE TOOLCHAIN
else ifeq ($(platform), androidstc)
   TARGET := $(TARGET_NAME)_libretro_android.so
   LDFLAGS += -lstdc++ -llog -shared -Wl,--version-script=$(CORE_DIR)/libretro/link.T -Wl,--no-undefined
   CFLAGS += -DHAVE_GETCWD=1 -DHAVE_MEMMOVE=1 -DHAVE_ATEXIT=1 -DARM -DALIGN_DWORD -mstructure-size-boundary=32 -mthumb-interwork -falign-functions=16 -marm
   CFLAGS += -O2 -pipe -fstack-protector 

   CC = arm-linux-androideabi-gcc
   CXX = arm-linux-androideabi-g++
   
   fpic = -fPIC
# ANDROID
else ifeq ($(platform), android)

ifeq ($(ANDROID_NDK_ARM),)
$(error ANDROID_NDK_ARM not set correctly.)
endif
ifeq ($(ANDROID_NDK_ROOT),)
$(error ANDROID_NDK_ROOT not set correctly.)
endif

   TARGET := $(TARGET_NAME)_libretro_android.so

   #CFLAGS += -fPIC -fpic -ffunction-sections -funwind-tables

   CC = $(ANDROID_NDK_ARM)/bin/arm-linux-androideabi-gcc 
   CXX = $(ANDROID_NDK_ARM)/bin/arm-linux-androideabi-g++

   CFLAGS += -DHAVE_GETCWD=1 -DHAVE_MEMMOVE=1 -DHAVE_ATEXIT=1 -DARM -DALIGN_DWORD 

   COMMONFLAGS += -march=armv7-a -mfloat-abi=softfp -mfpu=vfpv3-d16 -mthumb -DANDROID -DALIGN_INTS -DALIGN_SHORTS 
   COMMONFLAGS += -I$(ANDROID_NDK_ROOT)/platforms/android-19/arch-arm/usr/include -I$(ANDROID_NDK_ROOT)/sources/cxx-stl/gnu-libstdc++/4.9/include
   COMMONFLAGS += -I$(ANDROID_NDK_ROOT)/sources/cxx-stl/gnu-libstdc++/4.9/libs/armeabi-v7a/include

   LDFLAGS += -llog -shared -Wl,--version-script=$(CORE_DIR)/libretro/link.T -Wl,--no-undefined
   LDFLAGS += $(fpic) $(SHARED) -L$(ANDROID_NDK_ROOT)/sources/cxx-stl/gnu-libstdc++/4.9/libs/armeabi-v7a/thumb
   LDFLAGS += -L$(ANDROID_NDK_ROOT)/platforms/android-19/arch-arm/usr/lib  --sysroot=$(ANDROID_NDK_ROOT)/platforms/android-19/arch-arm -march=armv7-a -mthumb -shared
   LDFLAGS += -lc -ldl -lm -landroid -llog -lsupc++ $(ANDROID_NDK_ROOT)/sources/cxx-stl/gnu-libstdc++/4.9/libs/armeabi-v7a/thumb/libgnustl_static.a -lgcc

   fpic = -fPIC

# PSP
else ifeq ($(platform), psp1)
   TARGET := $(TARGET_NAME)_libretro_psp1.a
   CC = psp-gcc$(EXE_EXT)
   CXX = psp-g++$(EXE_EXT)
   AR = psp-ar$(EXE_EXT)
   COMMONFLAGS += -DPSP -G0 -I$(shell psp-config --pspsdk-path)/include
   CFLAGS += -std=c99
	STATIC_LINKING = 1

# Vita
else ifeq ($(platform), vita)
   TARGET := $(TARGET_NAME)_libretro_vita.a
	CC = arm-vita-eabi-gcc$(EXE_EXT)
	CXX = arm-vita-eabi-g++$(EXE_EXT)
	AR = arm-vita-eabi-ar$(EXE_EXT)
  COMMONFLAGS += -U__INT32_TYPE__ -U __UINT32_TYPE__ -D__INT32_TYPE__=int
  COMMONFLAGS += -DHAVE_STRTOUL -DVITA
	STATIC_LINKING = 1

else ifeq ($(platform), wii)
   TARGET := $(TARGET_NAME)_libretro_wii.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)
   COMMONFLAGS += -DGEKKO -mrvl -mcpu=750 -meabi -mhard-float -D__POWERPC__ -D__ppc__ -DWORDS_BIGENDIAN=1
	STATIC_LINKING = 1

else ifeq ($(platform), wiiu)
   TARGET := $(TARGET_NAME)_libretro_wiiu.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)
   COMMONFLAGS += -DGEKKO -mwup -mcpu=750 -meabi -mhard-float -D__POWERPC__ -D__ppc__ -DWORDS_BIGENDIAN=1
   COMMONFLAGS += -U__INT32_TYPE__ -U __UINT32_TYPE__ -D__INT32_TYPE__=int
   COMMONFLAGS += -DHAVE_STRTOUL -DWIIU
   STATIC_LINKING = 1

# PS3
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
	COMMONFLAGS += -DHAVE_STRTOUL $(ENDIANNESS_DEFINES)
   STATIC_LINKING = 1

# ARM
else ifneq (,$(findstring armv,$(platform)))
   TARGET := $(TARGET_NAME)_libretro.so
   fpic := -fPIC
   SHARED := -shared -Wl,--no-undefined 
   LDFLAGS += -shared -Wl,--version-script=$(CORE_DIR)/libretro/link.T
ifneq (,$(findstring neon,$(platform)))
   CFLAGS += -mfpu=neon
   HAVE_NEON = 1
endif
ifneq (,$(findstring softfloat,$(platform)))
   CFLAGS += -mfloat-abi=softfp
else ifneq (,$(findstring hardfloat,$(platform)))
   CFLAGS += -mfloat-abi=hard
endif
   CFLAGS += -DARM -marm -DALIGN_DWORD -mstructure-size-boundary=32 -mthumb-interwork -falign-functions=16 -pipe -fstack-protector

else ifeq ($(platform), wincross64)
   AR = x86_64-w64-mingw32-ar
   CC = x86_64-w64-mingw32-gcc
   CXX = x86_64-w64-mingw32-g++ 
   CFLAGS += -D__WIN32__ -DHAVE_SNPRINTF -DHAVE_VSNPRINTF -D__USE_MINGW_ANSI_STDIO=1 -DHAVE_NETWORK
#   CFLAGS += -mno-ms-bitfields
# -DX64_WINDOWS_ABI
   TARGET := $(TARGET_NAME)_libretro.dll
   LDFLAGS += --shared -static-libgcc -static-libstdc++ -Wl,--version-script=$(CORE_DIR)/libretro/link.T -L/usr/x86_64-w64-mingw32/lib

LDFLAGS += -lws2_32 -luser32 -lwinmm -ladvapi32 -lshlwapi -lwsock32 -lws2_32 -lpsapi -liphlpapi -lshell32 -luserenv -lmingw32 -shared -lgcc -lm -lmingw32

else
   CFLAGS += -D__WIN32__ -DHAVE_SNPRINTF -DHAVE_VSNPRINTF -D__USE_MINGW_ANSI_STDIO=1
   TARGET := $(TARGET_NAME)_libretro.dll
   LDFLAGS += --shared -static-libgcc -static-libstdc++ -Wl,--version-script=$(CORE_DIR)/libretro/link.T -L/usr/x86_64-w64-mingw32/lib
   LDFLAGS += -lws2_32 -luser32 -lwinmm -ladvapi32 -lshlwapi -lwsock32 -lws2_32 -lpsapi -liphlpapi -lshell32 -luserenv -lmingw32 -shared -lgcc -lm -lmingw32

endif

ifeq ($(DEBUG), 1)
COMMONFLAGS += -O0 -g
else
COMMONFLAGS += -O3 -DNDEBUG
endif

COMMONFLAGS += -DWANT_ZLIB

CORE_DIR    := .
INCFLAGS    :=
SOURCES_C   :=
SOURCES_CC  :=
SOURCES_CXX :=
OBJECTS     :=
 
include Makefile.common

COMMONFLAGS += -DFRONTEND_SUPPORTS_RGB565

COMMONFLAGS += -DCORE_NAME=\"$(EMUTYPE)\"

OBJECTS     += $(SOURCES_CC:.cc=.o) $(SOURCES_C:.c=.o)
CXXFLAGS    += -D__LIBRETRO__ $(fpic) $(INCFLAGS) $(COMMONFLAGS)
CFLAGS      += -D__LIBRETRO__ $(fpic) $(INCFLAGS) $(COMMONFLAGS)
LDFLAGS     += -lm $(fpic)

ifeq ($(platform), theos_ios)
COMMON_FLAGS := -DIOS -DARM $(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): $(OBJECTS)
ifeq ($(STATIC_LINKING), 1)
	$(AR) rcs $@ $(OBJECTS)
else
	$(CXX) -o $@ $(OBJECTS) $(LDFLAGS)
endif

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

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

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

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

.PHONY: clean
endif