db49f35ab8
Also made LINK and CXXFLAGS configurable as command line options. Note that LINK currently expects the *compiler* that will be used for linking and will call its configured linker behind the scenes (so g++, clang++, etc., not ld.gold). See #15364 for details.
270 lines
9.3 KiB
Python
270 lines
9.3 KiB
Python
import os
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import platform
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import sys
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def is_active():
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return True
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def get_name():
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return "X11"
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def can_build():
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if (os.name != "posix" or sys.platform == "darwin"):
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return False
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# Check the minimal dependencies
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x11_error = os.system("pkg-config --version > /dev/null")
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if (x11_error):
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print("pkg-config not found.. x11 disabled.")
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return False
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x11_error = os.system("pkg-config x11 --modversion > /dev/null ")
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if (x11_error):
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print("X11 not found.. x11 disabled.")
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return False
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x11_error = os.system("pkg-config xcursor --modversion > /dev/null ")
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if (x11_error):
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print("xcursor not found.. x11 disabled.")
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return False
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x11_error = os.system("pkg-config xinerama --modversion > /dev/null ")
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if (x11_error):
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print("xinerama not found.. x11 disabled.")
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return False
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x11_error = os.system("pkg-config xrandr --modversion > /dev/null ")
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if (x11_error):
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print("xrandr not found.. x11 disabled.")
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return False
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return True
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def get_opts():
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from SCons.Variables import BoolVariable, EnumVariable
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return [
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BoolVariable('use_llvm', 'Use the LLVM compiler', False),
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BoolVariable('use_static_cpp', 'Link stdc++ statically', False),
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BoolVariable('use_sanitizer', 'Use LLVM compiler address sanitizer', False),
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BoolVariable('use_leak_sanitizer', 'Use LLVM compiler memory leaks sanitizer (implies use_sanitizer)', False),
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BoolVariable('pulseaudio', 'Detect & use pulseaudio', True),
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BoolVariable('udev', 'Use udev for gamepad connection callbacks', False),
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EnumVariable('debug_symbols', 'Add debug symbols to release version', 'yes', ('yes', 'no', 'full')),
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BoolVariable('touch', 'Enable touch events', True),
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]
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def get_flags():
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return [
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('builtin_freetype', False),
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('builtin_libpng', False),
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('builtin_openssl', False),
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('builtin_zlib', False),
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]
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def configure(env):
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## Build type
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if (env["target"] == "release"):
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# -O3 -ffast-math is identical to -Ofast. We need to split it out so we can selectively disable
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# -ffast-math in code for which it generates wrong results.
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env.Prepend(CCFLAGS=['-O3', '-ffast-math'])
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if (env["debug_symbols"] == "yes"):
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env.Prepend(CCFLAGS=['-g1'])
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if (env["debug_symbols"] == "full"):
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env.Prepend(CCFLAGS=['-g2'])
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elif (env["target"] == "release_debug"):
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env.Prepend(CCFLAGS=['-O2', '-ffast-math', '-DDEBUG_ENABLED'])
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if (env["debug_symbols"] == "yes"):
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env.Prepend(CCFLAGS=['-g1'])
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if (env["debug_symbols"] == "full"):
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env.Prepend(CCFLAGS=['-g2'])
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elif (env["target"] == "debug"):
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env.Prepend(CCFLAGS=['-g3', '-DDEBUG_ENABLED', '-DDEBUG_MEMORY_ENABLED'])
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env.Append(LINKFLAGS=['-rdynamic'])
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## Architecture
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is64 = sys.maxsize > 2**32
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if (env["bits"] == "default"):
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env["bits"] = "64" if is64 else "32"
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## Compiler configuration
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if 'CXX' in env and 'clang' in env['CXX']:
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# Convenience check to enforce the use_llvm overrides when CXX is clang(++)
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env['use_llvm'] = True
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if env['use_llvm']:
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if ('clang++' not in env['CXX']):
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env["CC"] = "clang"
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env["CXX"] = "clang++"
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env["LINK"] = "clang++"
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env.Append(CPPFLAGS=['-DTYPED_METHOD_BIND'])
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env.extra_suffix = ".llvm" + env.extra_suffix
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# leak sanitizer requires (address) sanitizer
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if env['use_sanitizer'] or env['use_leak_sanitizer']:
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env.Append(CCFLAGS=['-fsanitize=address', '-fno-omit-frame-pointer'])
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env.Append(LINKFLAGS=['-fsanitize=address'])
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env.extra_suffix += "s"
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if env['use_leak_sanitizer']:
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env.Append(CCFLAGS=['-fsanitize=leak'])
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env.Append(LINKFLAGS=['-fsanitize=leak'])
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if env['use_lto']:
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env.Append(CCFLAGS=['-flto'])
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if not env['use_llvm'] and env.GetOption("num_jobs") > 1:
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env.Append(LINKFLAGS=['-flto=' + str(env.GetOption("num_jobs"))])
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else:
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env.Append(LINKFLAGS=['-flto'])
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if not env['use_llvm']:
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env['RANLIB'] = 'gcc-ranlib'
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env['AR'] = 'gcc-ar'
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env.Append(CCFLAGS=['-pipe'])
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env.Append(LINKFLAGS=['-pipe'])
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## Dependencies
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env.ParseConfig('pkg-config x11 --cflags --libs')
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env.ParseConfig('pkg-config xcursor --cflags --libs')
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env.ParseConfig('pkg-config xinerama --cflags --libs')
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env.ParseConfig('pkg-config xrandr --cflags --libs')
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if (env['touch']):
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x11_error = os.system("pkg-config xi --modversion > /dev/null ")
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if (x11_error):
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print("xi not found.. cannot build with touch. Aborting.")
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sys.exit(255)
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env.ParseConfig('pkg-config xi --cflags --libs')
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env.Append(CPPFLAGS=['-DTOUCH_ENABLED'])
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# FIXME: Check for existence of the libs before parsing their flags with pkg-config
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if not env['builtin_openssl']:
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env.ParseConfig('pkg-config openssl --cflags --libs')
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if not env['builtin_libwebp']:
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env.ParseConfig('pkg-config libwebp --cflags --libs')
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# freetype depends on libpng and zlib, so bundling one of them while keeping others
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# as shared libraries leads to weird issues
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if env['builtin_freetype'] or env['builtin_libpng'] or env['builtin_zlib']:
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env['builtin_freetype'] = True
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env['builtin_libpng'] = True
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env['builtin_zlib'] = True
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if not env['builtin_freetype']:
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env.ParseConfig('pkg-config freetype2 --cflags --libs')
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if not env['builtin_libpng']:
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env.ParseConfig('pkg-config libpng --cflags --libs')
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if not env['builtin_enet']:
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env.ParseConfig('pkg-config libenet --cflags --libs')
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if not env['builtin_squish'] and env['tools']:
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env.ParseConfig('pkg-config libsquish --cflags --libs')
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if not env['builtin_zstd']:
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env.ParseConfig('pkg-config libzstd --cflags --libs')
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# Sound and video libraries
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# Keep the order as it triggers chained dependencies (ogg needed by others, etc.)
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if not env['builtin_libtheora']:
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env['builtin_libogg'] = False # Needed to link against system libtheora
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env['builtin_libvorbis'] = False # Needed to link against system libtheora
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env.ParseConfig('pkg-config theora theoradec --cflags --libs')
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if not env['builtin_libvpx']:
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env.ParseConfig('pkg-config vpx --cflags --libs')
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if not env['builtin_libvorbis']:
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env['builtin_libogg'] = False # Needed to link against system libvorbis
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env.ParseConfig('pkg-config vorbis vorbisfile --cflags --libs')
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if not env['builtin_opus']:
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env['builtin_libogg'] = False # Needed to link against system opus
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env.ParseConfig('pkg-config opus opusfile --cflags --libs')
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if not env['builtin_libogg']:
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env.ParseConfig('pkg-config ogg --cflags --libs')
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if env['builtin_libtheora']:
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list_of_x86 = ['x86_64', 'x86', 'i386', 'i586']
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if any(platform.machine() in s for s in list_of_x86):
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env["x86_libtheora_opt_gcc"] = True
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# On Linux wchar_t should be 32-bits
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# 16-bit library shouldn't be required due to compiler optimisations
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if not env['builtin_pcre2']:
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env.ParseConfig('pkg-config libpcre2-32 --cflags --libs')
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## Flags
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if (os.system("pkg-config --exists alsa") == 0): # 0 means found
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print("Enabling ALSA")
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env.Append(CPPFLAGS=["-DALSA_ENABLED"])
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env.ParseConfig('pkg-config alsa --cflags --libs')
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else:
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print("ALSA libraries not found, disabling driver")
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if env['pulseaudio']:
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if (os.system("pkg-config --exists libpulse-simple") == 0): # 0 means found
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print("Enabling PulseAudio")
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env.Append(CPPFLAGS=["-DPULSEAUDIO_ENABLED"])
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env.ParseConfig('pkg-config --cflags --libs libpulse-simple')
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else:
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print("PulseAudio development libraries not found, disabling driver")
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if (platform.system() == "Linux"):
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env.Append(CPPFLAGS=["-DJOYDEV_ENABLED"])
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if env['udev']:
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if (os.system("pkg-config --exists libudev") == 0): # 0 means found
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print("Enabling udev support")
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env.Append(CPPFLAGS=["-DUDEV_ENABLED"])
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env.ParseConfig('pkg-config libudev --cflags --libs')
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else:
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print("libudev development libraries not found, disabling udev support")
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# Linkflags below this line should typically stay the last ones
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if not env['builtin_zlib']:
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env.ParseConfig('pkg-config zlib --cflags --libs')
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env.Append(CPPPATH=['#platform/x11'])
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env.Append(CPPFLAGS=['-DX11_ENABLED', '-DUNIX_ENABLED', '-DOPENGL_ENABLED', '-DGLES_ENABLED', '-DGLES_OVER_GL'])
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env.Append(LIBS=['GL', 'pthread'])
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if (platform.system() == "Linux"):
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env.Append(LIBS=['dl'])
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if (platform.system().find("BSD") >= 0):
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env.Append(LIBS=['execinfo'])
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## Cross-compilation
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if (is64 and env["bits"] == "32"):
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env.Append(CPPFLAGS=['-m32'])
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env.Append(LINKFLAGS=['-m32', '-L/usr/lib/i386-linux-gnu'])
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elif (not is64 and env["bits"] == "64"):
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env.Append(CPPFLAGS=['-m64'])
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env.Append(LINKFLAGS=['-m64', '-L/usr/lib/i686-linux-gnu'])
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if env['use_static_cpp']:
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env.Append(LINKFLAGS=['-static-libstdc++'])
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