godot/platform/x11/detect.py

import os
import sys
import platform


def is_active():
    return True

def get_name():
    return "X11"


def can_build():

    if (os.name!="posix"):
        return False

    if sys.platform == "darwin":
        return False # no x11 on mac for now

    errorval=os.system("pkg-config --version > /dev/null")

    if (errorval):
        print("pkg-config not found.. x11 disabled.")
        return False

    x11_error=os.system("pkg-config x11 --modversion > /dev/null ")
    if (x11_error):
        print("X11 not found.. x11 disabled.")
        return False

    ssl_error=os.system("pkg-config openssl --modversion > /dev/null ")
    if (ssl_error):
        print("OpenSSL not found.. x11 disabled.")
        return False

    x11_error=os.system("pkg-config xcursor --modversion > /dev/null ")
    if (x11_error):
        print("xcursor not found.. x11 disabled.")
        return False

    x11_error=os.system("pkg-config xinerama --modversion > /dev/null ")
    if (x11_error):
        print("xinerama not found.. x11 disabled.")
        return False

    x11_error=os.system("pkg-config xrandr --modversion > /dev/null ")
    if (x11_error):
        print("xrandr not found.. x11 disabled.")
        return False


    return True # X11 enabled

def get_opts():

    return [
        ('use_llvm','Use llvm compiler','no'),
        ('use_static_cpp','link stdc++ statically','no'),
        ('use_sanitizer','Use llvm compiler sanitize address','no'),
        ('use_leak_sanitizer','Use llvm compiler sanitize memory leaks','no'),
        ('pulseaudio','Detect & Use pulseaudio','yes'),
        ('udev','Use udev for gamepad connection callbacks','no'),
        ('debug_release', 'Add debug symbols to release version','no'),
    ]

def get_flags():

    return [
        ("openssl", "system"),
        ('freetype', 'system'),
        ('libpng', 'system'),
    ]



def configure(env):

    is64=sys.maxsize > 2**32

    if (env["bits"]=="default"):
        if (is64):
            env["bits"]="64"
        else:
            env["bits"]="32"

    env.Append(CPPPATH=['#platform/x11'])
    if (env["use_llvm"]=="yes"):
        if 'clang++' not in env['CXX']:
            env["CC"]="clang"
            env["CXX"]="clang++"
            env["LD"]="clang++"
        env.Append(CPPFLAGS=['-DTYPED_METHOD_BIND'])
        env.extra_suffix=".llvm"

    if (env["use_sanitizer"]=="yes"):
        env.Append(CXXFLAGS=['-fsanitize=address','-fno-omit-frame-pointer'])
        env.Append(LINKFLAGS=['-fsanitize=address'])
        env.extra_suffix+="s"

    if (env["use_leak_sanitizer"]=="yes"):
        env.Append(CXXFLAGS=['-fsanitize=address','-fno-omit-frame-pointer'])
        env.Append(LINKFLAGS=['-fsanitize=address'])
        env.extra_suffix+="s"


    #if (env["tools"]=="no"):
    #	#no tools suffix
    #	env['OBJSUFFIX'] = ".nt"+env['OBJSUFFIX']
    #	env['LIBSUFFIX'] = ".nt"+env['LIBSUFFIX']


    if (env["target"]=="release"):

        if (env["debug_release"]=="yes"):
            env.Append(CCFLAGS=['-g2'])
        else:
            env.Append(CCFLAGS=['-O3','-ffast-math'])

    elif (env["target"]=="release_debug"):

        env.Append(CCFLAGS=['-O2','-ffast-math','-DDEBUG_ENABLED'])
        if (env["debug_release"]=="yes"):
            env.Append(CCFLAGS=['-g2'])

    elif (env["target"]=="debug"):

        env.Append(CCFLAGS=['-g2', '-Wall','-DDEBUG_ENABLED','-DDEBUG_MEMORY_ENABLED'])

    env.ParseConfig('pkg-config x11 --cflags --libs')
    env.ParseConfig('pkg-config xinerama --cflags --libs')
    env.ParseConfig('pkg-config xcursor --cflags --libs')
    env.ParseConfig('pkg-config xrandr --cflags --libs')

    if (env["openssl"] == "system"):
        env.ParseConfig('pkg-config openssl --cflags --libs')

    if (env["libwebp"] == "system"):
        env.ParseConfig('pkg-config libwebp --cflags --libs')

    if (env["freetype"] == "system"):
        env["libpng"] = "system"  # Freetype links against libpng
        env.ParseConfig('pkg-config freetype2 --cflags --libs')

    if (env["libpng"] == "system"):
        env.ParseConfig('pkg-config libpng --cflags --libs')

    if (env["squish"] == "system" and env["tools"] == "yes"):
        env.ParseConfig('pkg-config libsquish --cflags --libs')

    # Sound and video libraries
    # Keep the order as it triggers chained dependencies (ogg needed by others, etc.)

    if (env["libtheora"] == "system"):
        env["libogg"] = "system"  # Needed to link against system libtheora
        env["libvorbis"] = "system"  # Needed to link against system libtheora
        env.ParseConfig('pkg-config theora theoradec --cflags --libs')

    if (env["libvorbis"] == "system"):
        env["libogg"] = "system"  # Needed to link against system libvorbis
        env.ParseConfig('pkg-config vorbis vorbisfile --cflags --libs')

    if (env["opus"] == "system"):
        env["libogg"] = "system"  # Needed to link against system opus
        env.ParseConfig('pkg-config opus opusfile --cflags --libs')

    if (env["libogg"] == "system"):
        env.ParseConfig('pkg-config ogg --cflags --libs')


    env.Append(CPPFLAGS=['-DOPENGL_ENABLED'])

    if (env["glew"] == "system"):
        env.ParseConfig('pkg-config glew --cflags --libs')

    if os.system("pkg-config --exists alsa")==0:
        print("Enabling ALSA")
        env.Append(CPPFLAGS=["-DALSA_ENABLED"])
        env.ParseConfig('pkg-config alsa --cflags --libs')
    else:
        print("ALSA libraries not found, disabling driver")

    if (platform.system() == "Linux"):
        env.Append(CPPFLAGS=["-DJOYDEV_ENABLED"])
    if (env["udev"]=="yes"):
        # pkg-config returns 0 when the lib exists...
        found_udev = not os.system("pkg-config --exists libudev")

        if (found_udev):
            print("Enabling udev support")
            env.Append(CPPFLAGS=["-DUDEV_ENABLED"])
            env.ParseConfig('pkg-config libudev --cflags --libs')
        else:
            print("libudev development libraries not found, disabling udev support")

    if (env["pulseaudio"]=="yes"):
        if not os.system("pkg-config --exists libpulse-simple"):
            print("Enabling PulseAudio")
            env.Append(CPPFLAGS=["-DPULSEAUDIO_ENABLED"])
            env.ParseConfig('pkg-config --cflags --libs libpulse-simple')
        else:
            print("PulseAudio development libraries not found, disabling driver")

    env.Append(CPPFLAGS=['-DX11_ENABLED','-DUNIX_ENABLED','-DGLES2_ENABLED','-DGLES_OVER_GL'])
    env.Append(LIBS=['GL', 'pthread', 'z'])
    if (platform.system() == "Linux"):
        env.Append(LIBS='dl')
    #env.Append(CPPFLAGS=['-DMPC_FIXED_POINT'])

#host compiler is default..

    if (is64 and env["bits"]=="32"):
        env.Append(CPPFLAGS=['-m32'])
        env.Append(LINKFLAGS=['-m32','-L/usr/lib/i386-linux-gnu'])
    elif (not is64 and env["bits"]=="64"):
        env.Append(CPPFLAGS=['-m64'])
        env.Append(LINKFLAGS=['-m64','-L/usr/lib/i686-linux-gnu'])


    import methods

    env.Append( BUILDERS = { 'GLSL120' : env.Builder(action = methods.build_legacygl_headers, suffix = 'glsl.h',src_suffix = '.glsl') } )
    env.Append( BUILDERS = { 'GLSL' : env.Builder(action = methods.build_glsl_headers, suffix = 'glsl.h',src_suffix = '.glsl') } )
    env.Append( BUILDERS = { 'GLSL120GLES' : env.Builder(action = methods.build_gles2_headers, suffix = 'glsl.h',src_suffix = '.glsl') } )
    #env.Append( BUILDERS = { 'HLSL9' : env.Builder(action = methods.build_hlsl_dx9_headers, suffix = 'hlsl.h',src_suffix = '.hlsl') } )

    if (env["use_static_cpp"]=="yes"):
        env.Append(LINKFLAGS=['-static-libstdc++'])

    list_of_x86 = ['x86_64', 'x86', 'i386', 'i586']
    if any(platform.machine() in s for s in list_of_x86):
        env["x86_libtheora_opt_gcc"]=True