6bfb7944d9
Also finally move freetype to its own env and disable warnings for it. Still needs some work to fix the awkward situation of the freetype and svg modules used in scene/ and editor/ respectively.
306 lines
11 KiB
Python
306 lines
11 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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x11_error = os.system("pkg-config xrender --modversion > /dev/null ")
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if (x11_error):
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print("xrender 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 libgcc and libstdc++ statically for better portability', 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 debugging symbols to release builds', 'yes', ('yes', 'no', 'full')),
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BoolVariable('separate_debug_symbols', 'Create a separate file containing debugging symbols', False),
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BoolVariable('touch', 'Enable touch events', True),
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BoolVariable('execinfo', 'Use libexecinfo on systems where glibc is not available', False),
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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_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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if (env["optimize"] == "speed"): #optimize for speed (default)
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env.Prepend(CCFLAGS=['-O3', '-ffast-math'])
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else: #optimize for size
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env.Prepend(CCFLAGS=['-Os'])
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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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if (env["optimize"] == "speed"): #optimize for speed (default)
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env.Prepend(CCFLAGS=['-O2', '-ffast-math', '-DDEBUG_ENABLED'])
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else: #optimize for size
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env.Prepend(CCFLAGS=['-Os', '-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 os.path.basename(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 os.path.basename(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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env.ParseConfig('pkg-config xrender --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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# 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_bullet']:
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# We need at least version 2.88
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import subprocess
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bullet_version = subprocess.check_output(['pkg-config', 'bullet', '--modversion']).strip()
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if bullet_version < "2.88":
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# Abort as system bullet was requested but too old
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print("Bullet: System version {0} does not match minimal requirements ({1}). Aborting.".format(bullet_version, "2.88"))
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sys.exit(255)
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env.ParseConfig('pkg-config bullet --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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else:
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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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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 not env['builtin_libwebp']:
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env.ParseConfig('pkg-config libwebp --cflags --libs')
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if not env['builtin_mbedtls']:
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# mbedTLS does not provide a pkgconfig config yet. See https://github.com/ARMmbed/mbedtls/issues/228
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env.Append(LIBS=['mbedtls', 'mbedcrypto', 'mbedx509'])
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if not env['builtin_libwebsockets']:
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env.ParseConfig('pkg-config libwebsockets --cflags --libs')
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if not env['builtin_miniupnpc']:
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# No pkgconfig file so far, hardcode default paths.
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env.Append(CPPPATH=["/usr/include/miniupnpc"])
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env.Append(LIBS=["miniupnpc"])
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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", "-DALSAMIDI_ENABLED"])
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# Don't parse --cflags, we don't need to add /usr/include/alsa to include path
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env.ParseConfig('pkg-config alsa --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") == 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')
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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'])
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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["execinfo"] = True
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if env["execinfo"]:
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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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# Link those statically for portability
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if env['use_static_cpp']:
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env.Append(LINKFLAGS=['-static-libgcc', '-static-libstdc++'])
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