mirror of https://github.com/mpv-player/mpv
204 lines
7.3 KiB
Python
204 lines
7.3 KiB
Python
import re
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import string
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import os.path
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from waflib import Utils
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from distutils.version import StrictVersion
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def __run(cmd):
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try:
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output = Utils.subprocess.check_output(cmd, stderr=Utils.subprocess.STDOUT, universal_newlines=True)
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return output.strip()
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except Exception:
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return ""
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def __add_swift_flags(ctx):
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ctx.env.SWIFT_FLAGS = [
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"-frontend", "-c", "-sdk", ctx.env.MACOS_SDK,
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"-enable-objc-interop", "-emit-objc-header", "-parse-as-library",
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]
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verRe = re.compile("(?i)version\s?([\d.]+)")
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ctx.env.SWIFT_VERSION = verRe.search(__run([ctx.env.SWIFT, '-version'])).group(1)
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# prevent possible breakages with future swift versions
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if StrictVersion(ctx.env.SWIFT_VERSION) >= StrictVersion("6.0"):
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ctx.env.SWIFT_FLAGS.extend(["-swift-version", "5"])
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if ctx.is_debug_build():
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ctx.env.SWIFT_FLAGS.append("-g")
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if ctx.is_optimization():
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ctx.env.SWIFT_FLAGS.append("-O")
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def __add_static_swift_library_linking_flags(ctx, swift_library):
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ctx.env.append_value('LINKFLAGS', [
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'-L%s' % swift_library,
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'-Xlinker', '-force_load_swift_libs', '-lc++',
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])
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def __add_dynamic_swift_library_linking_flags(ctx, swift_library):
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ctx.env.append_value('LINKFLAGS', ['-L%s' % swift_library])
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# ABI compatibility
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if StrictVersion(ctx.env.SWIFT_VERSION) >= StrictVersion("5.0"):
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ctx.env.append_value('LINKFLAGS', [
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'-Xlinker', '-rpath', '-Xlinker', '/usr/lib/swift',
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'-L/usr/lib/swift',
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])
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ctx.env.append_value('LINKFLAGS', [
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'-Xlinker', '-rpath', '-Xlinker', swift_library,
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])
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def __find_swift_library(ctx):
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swift_libraries = {}
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# look for set lib paths in passed environment variables
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if 'SWIFT_LIB_DYNAMIC' in ctx.environ:
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swift_libraries['SWIFT_LIB_DYNAMIC'] = ctx.environ['SWIFT_LIB_DYNAMIC']
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if 'SWIFT_LIB_STATIC' in ctx.environ:
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swift_libraries['SWIFT_LIB_STATIC'] = ctx.environ['SWIFT_LIB_STATIC']
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# search for swift libs relative to the swift compiler executable
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swift_library_relative_paths = {
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'SWIFT_LIB_DYNAMIC': '../../lib/swift/macosx',
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'SWIFT_LIB_STATIC': '../../lib/swift_static/macosx'
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}
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for lib_type, path in swift_library_relative_paths.items():
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if lib_type not in swift_libraries:
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lib_path = os.path.join(ctx.env.SWIFT, path)
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swift_library = ctx.root.find_dir(lib_path)
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if swift_library is not None:
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swift_libraries[lib_type] = swift_library.abspath()
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# fall back to xcode-select path
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swift_library_paths = {
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'SWIFT_LIB_DYNAMIC': [
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'Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/macosx',
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'usr/lib/swift/macosx'
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],
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'SWIFT_LIB_STATIC': [
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'Toolchains/XcodeDefault.xctoolchain/usr/lib/swift_static/macosx',
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'usr/lib/swift_static/macosx'
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]
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}
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dev_path = __run(['xcode-select', '-p'])[1:]
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for lib_type, paths in swift_library_paths.items():
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for path in paths:
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if lib_type not in swift_libraries:
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swift_library = ctx.root.find_dir([dev_path, path])
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if swift_library is not None:
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swift_libraries[lib_type] = swift_library.abspath()
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break
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else:
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break
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# check if library paths were found
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ctx.start_msg('Checking for dynamic Swift Library')
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if 'SWIFT_LIB_DYNAMIC' in swift_libraries:
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ctx.end_msg(swift_libraries['SWIFT_LIB_DYNAMIC'])
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else:
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ctx.end_msg(False)
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ctx.start_msg('Checking for static Swift Library')
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if 'SWIFT_LIB_STATIC' in swift_libraries:
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ctx.end_msg(swift_libraries['SWIFT_LIB_STATIC'])
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ctx.env['SWIFT_LIB_STATIC'] = swift_libraries['SWIFT_LIB_STATIC']
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else:
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ctx.end_msg(False)
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enableStatic = getattr(ctx.options, 'enable_swift-static')
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if (enableStatic) and 'SWIFT_LIB_STATIC' in swift_libraries:
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__add_static_swift_library_linking_flags(ctx, swift_libraries['SWIFT_LIB_STATIC'])
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else:
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__add_dynamic_swift_library_linking_flags(ctx, swift_libraries['SWIFT_LIB_DYNAMIC'])
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def __find_macos_sdk(ctx):
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ctx.start_msg('Checking for macOS SDK')
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sdk = None
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sdk_build_version = None
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sdk_version = None
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# look for set macOS SDK paths and version in passed environment variables
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if 'MACOS_SDK' in ctx.environ:
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sdk = ctx.environ['MACOS_SDK']
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if 'MACOS_SDK_VERSION' in ctx.environ:
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ctx.env.MACOS_SDK_VERSION = ctx.environ['MACOS_SDK_VERSION']
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# find macOS SDK paths and version
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if not sdk:
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sdk = __run(['xcrun', '--sdk', 'macosx', '--show-sdk-path'])
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if not ctx.env.MACOS_SDK_VERSION:
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# show-sdk-build-version: is not available on older command line tools, but return a build version (eg 17A360)
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# show-sdk-version: is always available, but on older dev tools it's only the major version
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sdk_build_version = __run(['xcrun', '--sdk', 'macosx', '--show-sdk-build-version'])
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sdk_version = __run(['xcrun', '--sdk', 'macosx', '--show-sdk-version'])
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if sdk:
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ctx.env.MACOS_SDK = sdk
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build_version = '10.10.0'
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if not ctx.env.MACOS_SDK_VERSION:
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# convert build version to a version string
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# first 2 two digits are the major version, starting with 15 which is 10.11 (offset of 4)
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# 1 char is the minor version, A => 0, B => 1 and ongoing
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# last digits are bugfix version, which are not relevant for us
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# eg 16E185 => 10.12.4, 17A360 => 10.13, 18B71 => 10.14.1
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if sdk_build_version and isinstance(sdk_build_version, str):
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verRe = re.compile("(\d+)(\D+)(\d+)")
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version_parts = verRe.search(sdk_build_version)
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major = int(version_parts.group(1)) - 4
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minor = string.ascii_lowercase.index(version_parts.group(2).lower())
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build_version = '10.' + str(major) + '.' + str(minor)
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# from 20 onwards macOS 11.0 starts
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if int(version_parts.group(1)) >= 20:
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build_version = '11.' + str(minor)
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if not isinstance(sdk_version, str):
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sdk_version = '10.10.0'
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# pick the higher version, always pick sdk over build if newer
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if StrictVersion(build_version) > StrictVersion(sdk_version):
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ctx.env.MACOS_SDK_VERSION = build_version
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else:
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ctx.env.MACOS_SDK_VERSION = sdk_version
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ctx.end_msg(sdk + ' (version found: ' + ctx.env.MACOS_SDK_VERSION + ')')
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else:
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ctx.end_msg(False)
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def __find_swift_compiler(ctx):
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ctx.start_msg('Checking for swift (Swift compiler)')
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swift = ''
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# look for set swift paths in passed environment variables
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if 'SWIFT' in ctx.environ:
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swift = ctx.environ['SWIFT']
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# find swift executable
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if not swift:
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swift = __run(['xcrun', '-find', 'swift'])
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if swift:
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ctx.end_msg(swift)
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ctx.env.SWIFT = swift
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__add_swift_flags(ctx)
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__find_swift_library(ctx)
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else:
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ctx.end_msg(False)
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def configure(ctx):
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if ctx.env.DEST_OS == "darwin":
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__find_macos_sdk(ctx)
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if ctx.options.enable_swift is not False:
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__find_swift_compiler(ctx)
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