715 lines
29 KiB
Python
715 lines
29 KiB
Python
#!/usr/bin/env python
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EnsureSConsVersion(0, 98, 1)
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# System
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import glob
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import os
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import pickle
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import sys
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# Local
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import methods
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import gles_builders
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from platform_methods import run_in_subprocess
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# scan possible build platforms
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platform_list = [] # list of platforms
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platform_opts = {} # options for each platform
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platform_flags = {} # flags for each platform
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active_platforms = []
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active_platform_ids = []
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platform_exporters = []
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platform_apis = []
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for x in sorted(glob.glob("platform/*")):
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if (not os.path.isdir(x) or not os.path.exists(x + "/detect.py")):
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continue
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tmppath = "./" + x
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sys.path.insert(0, tmppath)
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import detect
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if (os.path.exists(x + "/export/export.cpp")):
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platform_exporters.append(x[9:])
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if (os.path.exists(x + "/api/api.cpp")):
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platform_apis.append(x[9:])
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if (detect.is_active()):
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active_platforms.append(detect.get_name())
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active_platform_ids.append(x)
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if (detect.can_build()):
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x = x.replace("platform/", "") # rest of world
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x = x.replace("platform\\", "") # win32
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platform_list += [x]
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platform_opts[x] = detect.get_opts()
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platform_flags[x] = detect.get_flags()
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sys.path.remove(tmppath)
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sys.modules.pop('detect')
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module_list = methods.detect_modules()
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methods.save_active_platforms(active_platforms, active_platform_ids)
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custom_tools = ['default']
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platform_arg = ARGUMENTS.get("platform", ARGUMENTS.get("p", False))
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if os.name == "nt" and (platform_arg == "android" or ARGUMENTS.get("use_mingw", False)):
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custom_tools = ['mingw']
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elif platform_arg == 'javascript':
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# Use generic POSIX build toolchain for Emscripten.
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custom_tools = ['cc', 'c++', 'ar', 'link', 'textfile', 'zip']
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env_base = Environment(tools=custom_tools)
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if 'TERM' in os.environ:
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env_base['ENV']['TERM'] = os.environ['TERM']
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env_base.AppendENVPath('PATH', os.getenv('PATH'))
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env_base.AppendENVPath('PKG_CONFIG_PATH', os.getenv('PKG_CONFIG_PATH'))
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env_base.disabled_modules = []
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env_base.use_ptrcall = False
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env_base.module_version_string = ""
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env_base.msvc = False
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env_base.__class__.disable_module = methods.disable_module
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env_base.__class__.add_module_version_string = methods.add_module_version_string
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env_base.__class__.add_source_files = methods.add_source_files
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env_base.__class__.use_windows_spawn_fix = methods.use_windows_spawn_fix
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env_base.__class__.add_shared_library = methods.add_shared_library
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env_base.__class__.add_library = methods.add_library
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env_base.__class__.add_program = methods.add_program
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env_base.__class__.CommandNoCache = methods.CommandNoCache
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env_base.__class__.disable_warnings = methods.disable_warnings
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env_base["x86_libtheora_opt_gcc"] = False
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env_base["x86_libtheora_opt_vc"] = False
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# avoid issues when building with different versions of python out of the same directory
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env_base.SConsignFile(".sconsign{0}.dblite".format(pickle.HIGHEST_PROTOCOL))
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# Build options
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customs = ['custom.py']
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profile = ARGUMENTS.get("profile", False)
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if profile:
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if os.path.isfile(profile):
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customs.append(profile)
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elif os.path.isfile(profile + ".py"):
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customs.append(profile + ".py")
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opts = Variables(customs, ARGUMENTS)
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# Target build options
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opts.Add('arch', "Platform-dependent architecture (arm/arm64/x86/x64/mips/...)", '')
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opts.Add(EnumVariable('bits', "Target platform bits", 'default', ('default', '32', '64')))
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opts.Add('p', "Platform (alias for 'platform')", '')
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opts.Add('platform', "Target platform (%s)" % ('|'.join(platform_list), ), '')
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opts.Add(EnumVariable('target', "Compilation target", 'debug', ('debug', 'release_debug', 'release')))
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opts.Add(EnumVariable('optimize', "Optimization type", 'speed', ('speed', 'size')))
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opts.Add(BoolVariable('tools', "Build the tools (a.k.a. the Godot editor)", True))
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opts.Add(BoolVariable('use_lto', 'Use link-time optimization', False))
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opts.Add(BoolVariable('use_precise_math_checks', 'Math checks use very precise epsilon (useful to debug the engine)', False))
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# Components
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opts.Add(BoolVariable('deprecated', "Enable deprecated features", True))
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opts.Add(BoolVariable('minizip', "Enable ZIP archive support using minizip", True))
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opts.Add(BoolVariable('xaudio2', "Enable the XAudio2 audio driver", False))
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# Advanced options
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opts.Add(BoolVariable('verbose', "Enable verbose output for the compilation", False))
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opts.Add(BoolVariable('progress', "Show a progress indicator during compilation", True))
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opts.Add(EnumVariable('warnings', "Set the level of warnings emitted during compilation", 'all', ('extra', 'all', 'moderate', 'no')))
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opts.Add(BoolVariable('werror', "Treat compiler warnings as errors. Depends on the level of warnings set with 'warnings'", False))
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opts.Add(BoolVariable('dev', "If yes, alias for verbose=yes warnings=extra werror=yes", False))
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opts.Add('extra_suffix', "Custom extra suffix added to the base filename of all generated binary files", '')
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opts.Add(BoolVariable('vsproj', "Generate a Visual Studio solution", False))
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opts.Add(EnumVariable('macports_clang', "Build using Clang from MacPorts", 'no', ('no', '5.0', 'devel')))
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opts.Add(BoolVariable('disable_3d', "Disable 3D nodes for a smaller executable", False))
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opts.Add(BoolVariable('disable_advanced_gui', "Disable advanced GUI nodes and behaviors", False))
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opts.Add(BoolVariable('no_editor_splash', "Don't use the custom splash screen for the editor", False))
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opts.Add('system_certs_path', "Use this path as SSL certificates default for editor (for package maintainers)", '')
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# Thirdparty libraries
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opts.Add(BoolVariable('builtin_bullet', "Use the built-in Bullet library", True))
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opts.Add(BoolVariable('builtin_certs', "Bundle default SSL certificates to be used if you don't specify an override in the project settings", True))
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opts.Add(BoolVariable('builtin_enet', "Use the built-in ENet library", True))
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opts.Add(BoolVariable('builtin_freetype', "Use the built-in FreeType library", True))
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opts.Add(BoolVariable('builtin_glslang', "Use the built-in glslang library", True))
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opts.Add(BoolVariable('builtin_libogg', "Use the built-in libogg library", True))
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opts.Add(BoolVariable('builtin_libpng', "Use the built-in libpng library", True))
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opts.Add(BoolVariable('builtin_libtheora', "Use the built-in libtheora library", True))
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opts.Add(BoolVariable('builtin_libvorbis', "Use the built-in libvorbis library", True))
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opts.Add(BoolVariable('builtin_libvpx', "Use the built-in libvpx library", True))
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opts.Add(BoolVariable('builtin_libwebp', "Use the built-in libwebp library", True))
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opts.Add(BoolVariable('builtin_wslay', "Use the built-in wslay library", True))
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opts.Add(BoolVariable('builtin_mbedtls', "Use the built-in mbedTLS library", True))
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opts.Add(BoolVariable('builtin_miniupnpc', "Use the built-in miniupnpc library", True))
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opts.Add(BoolVariable('builtin_opus', "Use the built-in Opus library", True))
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opts.Add(BoolVariable('builtin_pcre2', "Use the built-in PCRE2 library", True))
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opts.Add(BoolVariable('builtin_pcre2_with_jit', "Use JIT compiler for the built-in PCRE2 library", True))
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opts.Add(BoolVariable('builtin_recast', "Use the built-in Recast library", True))
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opts.Add(BoolVariable('builtin_rvo2', "Use the built-in RVO2 library", True))
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opts.Add(BoolVariable('builtin_squish', "Use the built-in squish library", True))
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opts.Add(BoolVariable('builtin_vulkan', "Use the built-in Vulkan loader library and headers", True))
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opts.Add(BoolVariable('builtin_xatlas', "Use the built-in xatlas library", True))
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opts.Add(BoolVariable('builtin_zlib', "Use the built-in zlib library", True))
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opts.Add(BoolVariable('builtin_zstd', "Use the built-in Zstd library", True))
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# Compilation environment setup
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opts.Add("CXX", "C++ compiler")
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opts.Add("CC", "C compiler")
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opts.Add("LINK", "Linker")
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opts.Add("CCFLAGS", "Custom flags for both the C and C++ compilers")
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opts.Add("CFLAGS", "Custom flags for the C compiler")
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opts.Add("CXXFLAGS", "Custom flags for the C++ compiler")
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opts.Add("LINKFLAGS", "Custom flags for the linker")
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# add platform specific options
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for k in platform_opts.keys():
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opt_list = platform_opts[k]
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for o in opt_list:
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opts.Add(o)
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for x in module_list:
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module_enabled = True
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tmppath = "./modules/" + x
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sys.path.insert(0, tmppath)
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import config
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enabled_attr = getattr(config, "is_enabled", None)
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if (callable(enabled_attr) and not config.is_enabled()):
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module_enabled = False
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sys.path.remove(tmppath)
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sys.modules.pop('config')
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opts.Add(BoolVariable('module_' + x + '_enabled', "Enable module '%s'" % (x, ), module_enabled))
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opts.Update(env_base) # update environment
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Help(opts.GenerateHelpText(env_base)) # generate help
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# add default include paths
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env_base.Prepend(CPPPATH=['#'])
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# configure ENV for platform
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env_base.platform_exporters = platform_exporters
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env_base.platform_apis = platform_apis
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if (env_base["use_precise_math_checks"]):
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env_base.Append(CPPDEFINES=['PRECISE_MATH_CHECKS'])
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if (env_base['target'] == 'debug'):
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env_base.Append(CPPDEFINES=['DEBUG_MEMORY_ALLOC','DISABLE_FORCED_INLINE'])
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# The two options below speed up incremental builds, but reduce the certainty that all files
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# will properly be rebuilt. As such, we only enable them for debug (dev) builds, not release.
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# To decide whether to rebuild a file, use the MD5 sum only if the timestamp has changed.
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# http://scons.org/doc/production/HTML/scons-user/ch06.html#idm139837621851792
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env_base.Decider('MD5-timestamp')
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# Use cached implicit dependencies by default. Can be overridden by specifying `--implicit-deps-changed` in the command line.
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# http://scons.org/doc/production/HTML/scons-user/ch06s04.html
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env_base.SetOption('implicit_cache', 1)
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if (env_base['no_editor_splash']):
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env_base.Append(CPPDEFINES=['NO_EDITOR_SPLASH'])
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if not env_base['deprecated']:
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env_base.Append(CPPDEFINES=['DISABLE_DEPRECATED'])
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env_base.platforms = {}
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selected_platform = ""
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if env_base['platform'] != "":
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selected_platform = env_base['platform']
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elif env_base['p'] != "":
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selected_platform = env_base['p']
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env_base["platform"] = selected_platform
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else:
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# Missing `platform` argument, try to detect platform automatically
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if sys.platform.startswith('linux'):
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selected_platform = 'x11'
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elif sys.platform == 'darwin':
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selected_platform = 'osx'
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elif sys.platform == 'win32':
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selected_platform = 'windows'
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else:
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print("Could not detect platform automatically. Supported platforms:")
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for x in platform_list:
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print("\t" + x)
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print("\nPlease run SCons again and select a valid platform: platform=<string>")
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if selected_platform != "":
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print("Automatically detected platform: " + selected_platform)
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env_base["platform"] = selected_platform
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if selected_platform in platform_list:
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tmppath = "./platform/" + selected_platform
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sys.path.insert(0, tmppath)
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import detect
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if "create" in dir(detect):
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env = detect.create(env_base)
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else:
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env = env_base.Clone()
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if env['dev']:
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env['verbose'] = True
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env['warnings'] = "extra"
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env['werror'] = True
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if env['vsproj']:
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env.vs_incs = []
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env.vs_srcs = []
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def AddToVSProject(sources):
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for x in sources:
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if type(x) == type(""):
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fname = env.File(x).path
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else:
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fname = env.File(x)[0].path
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pieces = fname.split(".")
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if len(pieces) > 0:
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basename = pieces[0]
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basename = basename.replace('\\\\', '/')
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if os.path.isfile(basename + ".h"):
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env.vs_incs = env.vs_incs + [basename + ".h"]
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elif os.path.isfile(basename + ".hpp"):
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env.vs_incs = env.vs_incs + [basename + ".hpp"]
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if os.path.isfile(basename + ".c"):
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env.vs_srcs = env.vs_srcs + [basename + ".c"]
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elif os.path.isfile(basename + ".cpp"):
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env.vs_srcs = env.vs_srcs + [basename + ".cpp"]
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env.AddToVSProject = AddToVSProject
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env.extra_suffix = ""
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if env["extra_suffix"] != '':
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env.extra_suffix += '.' + env["extra_suffix"]
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# Environment flags
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CCFLAGS = env.get('CCFLAGS', '')
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env['CCFLAGS'] = ''
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env.Append(CCFLAGS=str(CCFLAGS).split())
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CFLAGS = env.get('CFLAGS', '')
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env['CFLAGS'] = ''
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env.Append(CFLAGS=str(CFLAGS).split())
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CXXFLAGS = env.get('CXXFLAGS', '')
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env['CXXFLAGS'] = ''
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env.Append(CXXFLAGS=str(CXXFLAGS).split())
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LINKFLAGS = env.get('LINKFLAGS', '')
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env['LINKFLAGS'] = ''
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env.Append(LINKFLAGS=str(LINKFLAGS).split())
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# Platform specific flags
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flag_list = platform_flags[selected_platform]
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for f in flag_list:
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if not (f[0] in ARGUMENTS): # allow command line to override platform flags
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env[f[0]] = f[1]
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# Must happen after the flags definition, so that they can be used by platform detect
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detect.configure(env)
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# Set our C and C++ standard requirements.
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# C++17 is required as we need guaranteed copy elision as per GH-36436.
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# Prepending to make it possible to override.
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# This needs to come after `configure`, otherwise we don't have env.msvc.
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if not env.msvc:
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# Specifying GNU extensions support explicitly, which are supported by
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# both GCC and Clang. Both currently default to gnu11 and gnu++14.
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env.Prepend(CFLAGS=['-std=gnu11'])
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env.Prepend(CXXFLAGS=['-std=gnu++17'])
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else:
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# MSVC doesn't have clear C standard support, /std only covers C++.
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# We apply it to CCFLAGS (both C and C++ code) in case it impacts C features.
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env.Prepend(CCFLAGS=['/std:c++17', '/permissive-'])
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# Enforce our minimal compiler version requirements
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version = methods.get_compiler_version(env)
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major = int(version[0]) if version is not None else -1
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if methods.using_gcc(env):
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# GCC 8 has a regression in the support of guaranteed copy elision
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# which causes a build failure: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86521
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if major == 8:
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print("Detected GCC version 8, which is not supported due to a regression "
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"in its C++17 guaranteed copy elision support. Use a newer GCC "
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"version, or Clang 6 or later by passing \"use_llvm=yes\" to the "
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"SCons command line.")
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sys.exit(255)
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elif major < 7:
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print("Detected GCC version older than 7, which does not fully support "
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"C++17. Supported versions are GCC 7, 9 and later. Use a newer GCC "
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"version, or Clang 6 or later by passing \"use_llvm=yes\" to the "
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"SCons command line.")
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sys.exit(255)
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elif methods.using_clang(env):
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# Apple LLVM versions differ from upstream LLVM version \o/, compare
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# in https://en.wikipedia.org/wiki/Xcode#Toolchain_versions
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if env["platform"] == "osx" or env["platform"] == "iphone":
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vanilla = methods.is_vanilla_clang(env)
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if vanilla and major < 6:
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print("Detected Clang version older than 6, which does not fully support "
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"C++17. Supported versions are Clang 6 and later.")
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sys.exit(255)
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elif not vanilla and major < 10:
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print("Detected Apple Clang version older than 10, which does not fully "
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"support C++17. Supported versions are Apple Clang 10 and later.")
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sys.exit(255)
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elif major < 6:
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print("Detected Clang version older than 6, which does not fully support "
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"C++17. Supported versions are Clang 6 and later.")
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sys.exit(255)
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# Configure compiler warnings
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if env.msvc:
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# Truncations, narrowing conversions, signed/unsigned comparisons...
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disable_nonessential_warnings = ['/wd4267', '/wd4244', '/wd4305', '/wd4018', '/wd4800']
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if (env["warnings"] == 'extra'):
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env.Append(CCFLAGS=['/Wall']) # Implies /W4
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elif (env["warnings"] == 'all'):
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env.Append(CCFLAGS=['/W3'] + disable_nonessential_warnings)
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elif (env["warnings"] == 'moderate'):
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env.Append(CCFLAGS=['/W2'] + disable_nonessential_warnings)
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else: # 'no'
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env.Append(CCFLAGS=['/w'])
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# Set exception handling model to avoid warnings caused by Windows system headers.
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env.Append(CCFLAGS=['/EHsc'])
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if (env["werror"]):
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env.Append(CCFLAGS=['/WX'])
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# Force to use Unicode encoding
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env.Append(MSVC_FLAGS=['/utf8'])
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else: # Rest of the world
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shadow_local_warning = []
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all_plus_warnings = ['-Wwrite-strings']
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if methods.using_gcc(env):
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version = methods.get_compiler_version(env)
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if version != None and version[0] >= '7':
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shadow_local_warning = ['-Wshadow-local']
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if (env["warnings"] == 'extra'):
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env.Append(CCFLAGS=['-Wall', '-Wextra', '-Wno-unused-parameter']
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+ all_plus_warnings + shadow_local_warning)
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env.Append(CXXFLAGS=['-Wctor-dtor-privacy', '-Wnon-virtual-dtor'])
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if methods.using_gcc(env):
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env.Append(CCFLAGS=['-Walloc-zero',
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'-Wduplicated-branches', '-Wduplicated-cond',
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'-Wstringop-overflow=4', '-Wlogical-op'])
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# -Wnoexcept was removed temporarily due to GH-36325.
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env.Append(CXXFLAGS=['-Wplacement-new=1'])
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version = methods.get_compiler_version(env)
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if version != None and version[0] >= '9':
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env.Append(CCFLAGS=['-Wattribute-alias=2'])
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if methods.using_clang(env):
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env.Append(CCFLAGS=['-Wimplicit-fallthrough'])
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elif (env["warnings"] == 'all'):
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env.Append(CCFLAGS=['-Wall'] + shadow_local_warning)
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elif (env["warnings"] == 'moderate'):
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env.Append(CCFLAGS=['-Wall', '-Wno-unused'] + shadow_local_warning)
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else: # 'no'
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env.Append(CCFLAGS=['-w'])
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if (env["werror"]):
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|
env.Append(CCFLAGS=['-Werror'])
|
|
# FIXME: Temporary workaround after the Vulkan merge, remove once warnings are fixed.
|
|
if methods.using_gcc(env):
|
|
env.Append(CXXFLAGS=['-Wno-error=cpp'])
|
|
else:
|
|
env.Append(CXXFLAGS=['-Wno-error=#warnings'])
|
|
else: # always enable those errors
|
|
env.Append(CCFLAGS=['-Werror=return-type'])
|
|
|
|
if (hasattr(detect, 'get_program_suffix')):
|
|
suffix = "." + detect.get_program_suffix()
|
|
else:
|
|
suffix = "." + selected_platform
|
|
|
|
if (env["target"] == "release"):
|
|
if env["tools"]:
|
|
print("Tools can only be built with targets 'debug' and 'release_debug'.")
|
|
sys.exit(255)
|
|
suffix += ".opt"
|
|
env.Append(CPPDEFINES=['NDEBUG'])
|
|
|
|
elif (env["target"] == "release_debug"):
|
|
if env["tools"]:
|
|
suffix += ".opt.tools"
|
|
else:
|
|
suffix += ".opt.debug"
|
|
else:
|
|
if env["tools"]:
|
|
suffix += ".tools"
|
|
else:
|
|
suffix += ".debug"
|
|
|
|
if env["arch"] != "":
|
|
suffix += "." + env["arch"]
|
|
elif (env["bits"] == "32"):
|
|
suffix += ".32"
|
|
elif (env["bits"] == "64"):
|
|
suffix += ".64"
|
|
|
|
suffix += env.extra_suffix
|
|
|
|
sys.path.remove(tmppath)
|
|
sys.modules.pop('detect')
|
|
|
|
env.module_list = []
|
|
env.module_icons_paths = []
|
|
env.doc_class_path = {}
|
|
|
|
for x in sorted(module_list):
|
|
if not env['module_' + x + '_enabled']:
|
|
continue
|
|
tmppath = "./modules/" + x
|
|
sys.path.insert(0, tmppath)
|
|
env.current_module = x
|
|
import config
|
|
if config.can_build(env, selected_platform):
|
|
config.configure(env)
|
|
env.module_list.append(x)
|
|
|
|
# Get doc classes paths (if present)
|
|
try:
|
|
doc_classes = config.get_doc_classes()
|
|
doc_path = config.get_doc_path()
|
|
for c in doc_classes:
|
|
env.doc_class_path[c] = "modules/" + x + "/" + doc_path
|
|
except:
|
|
pass
|
|
# Get icon paths (if present)
|
|
try:
|
|
icons_path = config.get_icons_path()
|
|
env.module_icons_paths.append("modules/" + x + "/" + icons_path)
|
|
except:
|
|
# Default path for module icons
|
|
env.module_icons_paths.append("modules/" + x + "/" + "icons")
|
|
|
|
sys.path.remove(tmppath)
|
|
sys.modules.pop('config')
|
|
|
|
methods.update_version(env.module_version_string)
|
|
|
|
env["PROGSUFFIX"] = suffix + env.module_version_string + env["PROGSUFFIX"]
|
|
env["OBJSUFFIX"] = suffix + env["OBJSUFFIX"]
|
|
# (SH)LIBSUFFIX will be used for our own built libraries
|
|
# LIBSUFFIXES contains LIBSUFFIX and SHLIBSUFFIX by default,
|
|
# so we need to append the default suffixes to keep the ability
|
|
# to link against thirdparty libraries (.a, .so, .lib, etc.).
|
|
if os.name == "nt":
|
|
# On Windows, only static libraries and import libraries can be
|
|
# statically linked - both using .lib extension
|
|
env["LIBSUFFIXES"] += [env["LIBSUFFIX"]]
|
|
else:
|
|
env["LIBSUFFIXES"] += [env["LIBSUFFIX"], env["SHLIBSUFFIX"]]
|
|
env["LIBSUFFIX"] = suffix + env["LIBSUFFIX"]
|
|
env["SHLIBSUFFIX"] = suffix + env["SHLIBSUFFIX"]
|
|
|
|
if (env.use_ptrcall):
|
|
env.Append(CPPDEFINES=['PTRCALL_ENABLED'])
|
|
if env['tools']:
|
|
env.Append(CPPDEFINES=['TOOLS_ENABLED'])
|
|
if env['disable_3d']:
|
|
if env['tools']:
|
|
print("Build option 'disable_3d=yes' cannot be used with 'tools=yes' (editor), only with 'tools=no' (export template).")
|
|
sys.exit(255)
|
|
else:
|
|
env.Append(CPPDEFINES=['_3D_DISABLED'])
|
|
if env['disable_advanced_gui']:
|
|
if env['tools']:
|
|
print("Build option 'disable_advanced_gui=yes' cannot be used with 'tools=yes' (editor), only with 'tools=no' (export template).")
|
|
sys.exit(255)
|
|
else:
|
|
env.Append(CPPDEFINES=['ADVANCED_GUI_DISABLED'])
|
|
if env['minizip']:
|
|
env.Append(CPPDEFINES=['MINIZIP_ENABLED'])
|
|
|
|
editor_module_list = ['regex']
|
|
for x in editor_module_list:
|
|
if not env['module_' + x + '_enabled']:
|
|
if env['tools']:
|
|
print("Build option 'module_" + x + "_enabled=no' cannot be used with 'tools=yes' (editor), only with 'tools=no' (export template).")
|
|
sys.exit(255)
|
|
|
|
if not env['verbose']:
|
|
methods.no_verbose(sys, env)
|
|
|
|
if (not env["platform"] == "server"):
|
|
env.Append(BUILDERS = { 'GLES2_GLSL' : env.Builder(action=run_in_subprocess(gles_builders.build_gles2_headers), suffix='glsl.gen.h', src_suffix='.glsl')})
|
|
env.Append(BUILDERS = { 'RD_GLSL' : env.Builder(action=run_in_subprocess(gles_builders.build_rd_headers), suffix='glsl.gen.h', src_suffix='.glsl')})
|
|
|
|
scons_cache_path = os.environ.get("SCONS_CACHE")
|
|
if scons_cache_path != None:
|
|
CacheDir(scons_cache_path)
|
|
print("Scons cache enabled... (path: '" + scons_cache_path + "')")
|
|
|
|
Export('env')
|
|
|
|
# build subdirs, the build order is dependent on link order.
|
|
|
|
SConscript("core/SCsub")
|
|
SConscript("servers/SCsub")
|
|
SConscript("scene/SCsub")
|
|
SConscript("editor/SCsub")
|
|
SConscript("drivers/SCsub")
|
|
|
|
SConscript("platform/SCsub")
|
|
SConscript("modules/SCsub")
|
|
SConscript("main/SCsub")
|
|
|
|
SConscript("platform/" + selected_platform + "/SCsub") # build selected platform
|
|
|
|
# Microsoft Visual Studio Project Generation
|
|
if env['vsproj']:
|
|
env['CPPPATH'] = [Dir(path) for path in env['CPPPATH']]
|
|
methods.generate_vs_project(env, GetOption("num_jobs"))
|
|
methods.generate_cpp_hint_file("cpp.hint")
|
|
|
|
# Check for the existence of headers
|
|
conf = Configure(env)
|
|
if ("check_c_headers" in env):
|
|
for header in env["check_c_headers"]:
|
|
if (conf.CheckCHeader(header[0])):
|
|
env.AppendUnique(CPPDEFINES=[header[1]])
|
|
|
|
elif selected_platform != "":
|
|
if selected_platform == "list":
|
|
print("The following platforms are available:\n")
|
|
else:
|
|
print('Invalid target platform "' + selected_platform + '".')
|
|
print("The following platforms were detected:\n")
|
|
|
|
for x in platform_list:
|
|
print("\t" + x)
|
|
|
|
print("\nPlease run SCons again and select a valid platform: platform=<string>")
|
|
|
|
if selected_platform == "list":
|
|
# Exit early to suppress the rest of the built-in SCons messages
|
|
sys.exit(0)
|
|
else:
|
|
sys.exit(255)
|
|
|
|
# The following only makes sense when the env is defined, and assumes it is
|
|
if 'env' in locals():
|
|
screen = sys.stdout
|
|
# Progress reporting is not available in non-TTY environments since it
|
|
# messes with the output (for example, when writing to a file)
|
|
show_progress = (env['progress'] and sys.stdout.isatty())
|
|
node_count = 0
|
|
node_count_max = 0
|
|
node_count_interval = 1
|
|
node_count_fname = str(env.Dir('#')) + '/.scons_node_count'
|
|
|
|
import time, math
|
|
|
|
class cache_progress:
|
|
# The default is 1 GB cache and 12 hours half life
|
|
def __init__(self, path = None, limit = 1073741824, half_life = 43200):
|
|
self.path = path
|
|
self.limit = limit
|
|
self.exponent_scale = math.log(2) / half_life
|
|
if env['verbose'] and path != None:
|
|
screen.write('Current cache limit is ' + self.convert_size(limit) + ' (used: ' + self.convert_size(self.get_size(path)) + ')\n')
|
|
self.delete(self.file_list())
|
|
|
|
def __call__(self, node, *args, **kw):
|
|
global node_count, node_count_max, node_count_interval, node_count_fname, show_progress
|
|
if show_progress:
|
|
# Print the progress percentage
|
|
node_count += node_count_interval
|
|
if (node_count_max > 0 and node_count <= node_count_max):
|
|
screen.write('\r[%3d%%] ' % (node_count * 100 / node_count_max))
|
|
screen.flush()
|
|
elif (node_count_max > 0 and node_count > node_count_max):
|
|
screen.write('\r[100%] ')
|
|
screen.flush()
|
|
else:
|
|
screen.write('\r[Initial build] ')
|
|
screen.flush()
|
|
|
|
def delete(self, files):
|
|
if len(files) == 0:
|
|
return
|
|
if env['verbose']:
|
|
# Utter something
|
|
screen.write('\rPurging %d %s from cache...\n' % (len(files), len(files) > 1 and 'files' or 'file'))
|
|
[os.remove(f) for f in files]
|
|
|
|
def file_list(self):
|
|
if self.path is None:
|
|
# Nothing to do
|
|
return []
|
|
# Gather a list of (filename, (size, atime)) within the
|
|
# cache directory
|
|
file_stat = [(x, os.stat(x)[6:8]) for x in glob.glob(os.path.join(self.path, '*', '*'))]
|
|
if file_stat == []:
|
|
# Nothing to do
|
|
return []
|
|
# Weight the cache files by size (assumed to be roughly
|
|
# proportional to the recompilation time) times an exponential
|
|
# decay since the ctime, and return a list with the entries
|
|
# (filename, size, weight).
|
|
current_time = time.time()
|
|
file_stat = [(x[0], x[1][0], (current_time - x[1][1])) for x in file_stat]
|
|
# Sort by the most recently accessed files (most sensible to keep) first
|
|
file_stat.sort(key=lambda x: x[2])
|
|
# Search for the first entry where the storage limit is
|
|
# reached
|
|
sum, mark = 0, None
|
|
for i,x in enumerate(file_stat):
|
|
sum += x[1]
|
|
if sum > self.limit:
|
|
mark = i
|
|
break
|
|
if mark is None:
|
|
return []
|
|
else:
|
|
return [x[0] for x in file_stat[mark:]]
|
|
|
|
def convert_size(self, size_bytes):
|
|
if size_bytes == 0:
|
|
return "0 bytes"
|
|
size_name = ("bytes", "KB", "MB", "GB", "TB", "PB", "EB", "ZB", "YB")
|
|
i = int(math.floor(math.log(size_bytes, 1024)))
|
|
p = math.pow(1024, i)
|
|
s = round(size_bytes / p, 2)
|
|
return "%s %s" % (int(s) if i == 0 else s, size_name[i])
|
|
|
|
def get_size(self, start_path = '.'):
|
|
total_size = 0
|
|
for dirpath, dirnames, filenames in os.walk(start_path):
|
|
for f in filenames:
|
|
fp = os.path.join(dirpath, f)
|
|
total_size += os.path.getsize(fp)
|
|
return total_size
|
|
|
|
def progress_finish(target, source, env):
|
|
global node_count, progressor
|
|
with open(node_count_fname, 'w') as f:
|
|
f.write('%d\n' % node_count)
|
|
progressor.delete(progressor.file_list())
|
|
|
|
try:
|
|
with open(node_count_fname) as f:
|
|
node_count_max = int(f.readline())
|
|
except:
|
|
pass
|
|
|
|
cache_directory = os.environ.get("SCONS_CACHE")
|
|
# Simple cache pruning, attached to SCons' progress callback. Trim the
|
|
# cache directory to a size not larger than cache_limit.
|
|
cache_limit = float(os.getenv("SCONS_CACHE_LIMIT", 1024)) * 1024 * 1024
|
|
progressor = cache_progress(cache_directory, cache_limit)
|
|
Progress(progressor, interval = node_count_interval)
|
|
|
|
progress_finish_command = Command('progress_finish', [], progress_finish)
|
|
AlwaysBuild(progress_finish_command)
|