358 lines
13 KiB
Python
358 lines
13 KiB
Python
import os
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import platform
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import sys
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from methods import get_compiler_version, using_gcc, using_clang
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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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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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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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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.. Aborting.")
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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_lld', 'Use the LLD linker', False),
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BoolVariable('use_thinlto', 'Use ThinLTO', False),
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BoolVariable('use_static_cpp', 'Link libgcc and libstdc++ statically for better portability', False),
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BoolVariable('use_ubsan', 'Use LLVM/GCC compiler undefined behavior sanitizer (UBSAN)', False),
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BoolVariable('use_asan', 'Use LLVM/GCC compiler address sanitizer (ASAN))', False),
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BoolVariable('use_lsan', 'Use LLVM/GCC compiler leak sanitizer (LSAN))', False),
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BoolVariable('use_tsan', 'Use LLVM/GCC compiler thread sanitizer (TSAN))', False),
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BoolVariable('pulseaudio', 'Detect and 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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def configure(env):
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## Build type
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if (env["target"] == "release"):
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if (env["optimize"] == "speed"): #optimize for speed (default)
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env.Prepend(CCFLAGS=['-O3'])
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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'])
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else: #optimize for size
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env.Prepend(CCFLAGS=['-Os'])
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env.Prepend(CPPDEFINES=['DEBUG_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'])
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env.Prepend(CPPDEFINES=['DEBUG_ENABLED', 'DEBUG_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(CPPDEFINES=['TYPED_METHOD_BIND'])
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env.extra_suffix = ".llvm" + env.extra_suffix
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if env['use_lld']:
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if env['use_llvm']:
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env.Append(LINKFLAGS=['-fuse-ld=lld'])
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if env['use_thinlto']:
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# A convenience so you don't need to write use_lto too when using SCons
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env['use_lto'] = True
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else:
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print("Using LLD with GCC is not supported yet, try compiling with 'use_llvm=yes'.")
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sys.exit(255)
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if env['use_ubsan'] or env['use_asan'] or env['use_lsan'] or env['use_tsan']:
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env.extra_suffix += "s"
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if env['use_ubsan']:
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env.Append(CCFLAGS=['-fsanitize=undefined'])
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env.Append(LINKFLAGS=['-fsanitize=undefined'])
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if env['use_asan']:
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env.Append(CCFLAGS=['-fsanitize=address'])
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env.Append(LINKFLAGS=['-fsanitize=address'])
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if env['use_lsan']:
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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_tsan']:
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env.Append(CCFLAGS=['-fsanitize=thread'])
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env.Append(LINKFLAGS=['-fsanitize=thread'])
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if env['use_lto']:
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if not env['use_llvm'] and env.GetOption("num_jobs") > 1:
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env.Append(CCFLAGS=['-flto'])
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env.Append(LINKFLAGS=['-flto=' + str(env.GetOption("num_jobs"))])
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else:
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if env['use_lld'] and env['use_thinlto']:
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env.Append(CCFLAGS=['-flto=thin'])
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env.Append(LINKFLAGS=['-flto=thin'])
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else:
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env.Append(CCFLAGS=['-flto'])
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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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# Check for gcc version >= 6 before adding -no-pie
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if using_gcc(env):
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version = get_compiler_version(env)
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if version != None and version[0] >= '6':
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env.Append(CCFLAGS=['-fpie'])
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env.Append(LINKFLAGS=['-no-pie'])
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# Do the same for clang should be fine with Clang 4 and higher
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if using_clang(env):
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version = get_compiler_version(env)
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if version != None and version[0] >= '4':
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env.Append(CCFLAGS=['-fpie'])
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env.Append(LINKFLAGS=['-no-pie'])
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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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env.ParseConfig('pkg-config xi --cflags --libs')
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if (env['touch']):
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env.Append(CPPDEFINES=['TOUCH_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 libpng16 --cflags --libs')
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if not env['builtin_bullet']:
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# We need at least version 2.89
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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 str(bullet_version) < "2.89":
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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, "2.89"))
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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']:
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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_wslay']:
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env.ParseConfig('pkg-config libwslay --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.Prepend(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(CPPDEFINES=["ALSA_ENABLED", "ALSAMIDI_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(CPPDEFINES=["PULSEAUDIO_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(CPPDEFINES=["JOYDEV_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(CPPDEFINES=["UDEV_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.Prepend(CPPPATH=['#platform/x11'])
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env.Append(CPPDEFINES=['X11_ENABLED', 'UNIX_ENABLED', 'OPENGL_ENABLED', 'GLES_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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if not env['tools']:
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import subprocess
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import re
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linker_version_str = subprocess.check_output([env.subst(env["LINK"]), '-Wl,--version']).decode("utf-8")
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gnu_ld_version = re.search('^GNU ld [^$]*(\d+\.\d+)$', linker_version_str, re.MULTILINE)
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if not gnu_ld_version:
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print("Warning: Creating template binaries enabled for PCK embedding is currently only supported with GNU ld")
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else:
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if float(gnu_ld_version.group(1)) >= 2.30:
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env.Append(LINKFLAGS=['-T', 'platform/x11/pck_embed.ld'])
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else:
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env.Append(LINKFLAGS=['-T', 'platform/x11/pck_embed.legacy.ld'])
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## Cross-compilation
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if (is64 and env["bits"] == "32"):
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env.Append(CCFLAGS=['-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(CCFLAGS=['-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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