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Diffstat (limited to 'deps/npm/node_modules/node-gyp/gyp/pylib/gyp/xcode_emulation.py')
| -rw-r--r-- | deps/npm/node_modules/node-gyp/gyp/pylib/gyp/xcode_emulation.py | 1629 |
1 files changed, 1629 insertions, 0 deletions
diff --git a/deps/npm/node_modules/node-gyp/gyp/pylib/gyp/xcode_emulation.py b/deps/npm/node_modules/node-gyp/gyp/pylib/gyp/xcode_emulation.py new file mode 100644 index 0000000000..b06bdc4e8b --- /dev/null +++ b/deps/npm/node_modules/node-gyp/gyp/pylib/gyp/xcode_emulation.py @@ -0,0 +1,1629 @@ +# Copyright (c) 2012 Google Inc. All rights reserved. +# Use of this source code is governed by a BSD-style license that can be +# found in the LICENSE file. + +""" +This module contains classes that help to emulate xcodebuild behavior on top of +other build systems, such as make and ninja. +""" + +import copy +import gyp.common +import os +import os.path +import re +import shlex +import subprocess +import sys +import tempfile +from gyp.common import GypError + +# Populated lazily by XcodeVersion, for efficiency, and to fix an issue when +# "xcodebuild" is called too quickly (it has been found to return incorrect +# version number). +XCODE_VERSION_CACHE = None + +# Populated lazily by GetXcodeArchsDefault, to an |XcodeArchsDefault| instance +# corresponding to the installed version of Xcode. +XCODE_ARCHS_DEFAULT_CACHE = None + + +def XcodeArchsVariableMapping(archs, archs_including_64_bit=None): + """Constructs a dictionary with expansion for $(ARCHS_STANDARD) variable, + and optionally for $(ARCHS_STANDARD_INCLUDING_64_BIT).""" + mapping = {'$(ARCHS_STANDARD)': archs} + if archs_including_64_bit: + mapping['$(ARCHS_STANDARD_INCLUDING_64_BIT)'] = archs_including_64_bit + return mapping + +class XcodeArchsDefault(object): + """A class to resolve ARCHS variable from xcode_settings, resolving Xcode + macros and implementing filtering by VALID_ARCHS. The expansion of macros + depends on the SDKROOT used ("macosx", "iphoneos", "iphonesimulator") and + on the version of Xcode. + """ + + # Match variable like $(ARCHS_STANDARD). + variable_pattern = re.compile(r'\$\([a-zA-Z_][a-zA-Z0-9_]*\)$') + + def __init__(self, default, mac, iphonesimulator, iphoneos): + self._default = (default,) + self._archs = {'mac': mac, 'ios': iphoneos, 'iossim': iphonesimulator} + + def _VariableMapping(self, sdkroot): + """Returns the dictionary of variable mapping depending on the SDKROOT.""" + sdkroot = sdkroot.lower() + if 'iphoneos' in sdkroot: + return self._archs['ios'] + elif 'iphonesimulator' in sdkroot: + return self._archs['iossim'] + else: + return self._archs['mac'] + + def _ExpandArchs(self, archs, sdkroot): + """Expands variables references in ARCHS, and remove duplicates.""" + variable_mapping = self._VariableMapping(sdkroot) + expanded_archs = [] + for arch in archs: + if self.variable_pattern.match(arch): + variable = arch + try: + variable_expansion = variable_mapping[variable] + for arch in variable_expansion: + if arch not in expanded_archs: + expanded_archs.append(arch) + except KeyError as e: + print 'Warning: Ignoring unsupported variable "%s".' % variable + elif arch not in expanded_archs: + expanded_archs.append(arch) + return expanded_archs + + def ActiveArchs(self, archs, valid_archs, sdkroot): + """Expands variables references in ARCHS, and filter by VALID_ARCHS if it + is defined (if not set, Xcode accept any value in ARCHS, otherwise, only + values present in VALID_ARCHS are kept).""" + expanded_archs = self._ExpandArchs(archs or self._default, sdkroot or '') + if valid_archs: + filtered_archs = [] + for arch in expanded_archs: + if arch in valid_archs: + filtered_archs.append(arch) + expanded_archs = filtered_archs + return expanded_archs + + +def GetXcodeArchsDefault(): + """Returns the |XcodeArchsDefault| object to use to expand ARCHS for the + installed version of Xcode. The default values used by Xcode for ARCHS + and the expansion of the variables depends on the version of Xcode used. + + For all version anterior to Xcode 5.0 or posterior to Xcode 5.1 included + uses $(ARCHS_STANDARD) if ARCHS is unset, while Xcode 5.0 to 5.0.2 uses + $(ARCHS_STANDARD_INCLUDING_64_BIT). This variable was added to Xcode 5.0 + and deprecated with Xcode 5.1. + + For "macosx" SDKROOT, all version starting with Xcode 5.0 includes 64-bit + architecture as part of $(ARCHS_STANDARD) and default to only building it. + + For "iphoneos" and "iphonesimulator" SDKROOT, 64-bit architectures are part + of $(ARCHS_STANDARD_INCLUDING_64_BIT) from Xcode 5.0. From Xcode 5.1, they + are also part of $(ARCHS_STANDARD). + + All thoses rules are coded in the construction of the |XcodeArchsDefault| + object to use depending on the version of Xcode detected. The object is + for performance reason.""" + global XCODE_ARCHS_DEFAULT_CACHE + if XCODE_ARCHS_DEFAULT_CACHE: + return XCODE_ARCHS_DEFAULT_CACHE + xcode_version, _ = XcodeVersion() + if xcode_version < '0500': + XCODE_ARCHS_DEFAULT_CACHE = XcodeArchsDefault( + '$(ARCHS_STANDARD)', + XcodeArchsVariableMapping(['i386']), + XcodeArchsVariableMapping(['i386']), + XcodeArchsVariableMapping(['armv7'])) + elif xcode_version < '0510': + XCODE_ARCHS_DEFAULT_CACHE = XcodeArchsDefault( + '$(ARCHS_STANDARD_INCLUDING_64_BIT)', + XcodeArchsVariableMapping(['x86_64'], ['x86_64']), + XcodeArchsVariableMapping(['i386'], ['i386', 'x86_64']), + XcodeArchsVariableMapping( + ['armv7', 'armv7s'], + ['armv7', 'armv7s', 'arm64'])) + else: + XCODE_ARCHS_DEFAULT_CACHE = XcodeArchsDefault( + '$(ARCHS_STANDARD)', + XcodeArchsVariableMapping(['x86_64'], ['x86_64']), + XcodeArchsVariableMapping(['i386', 'x86_64'], ['i386', 'x86_64']), + XcodeArchsVariableMapping( + ['armv7', 'armv7s', 'arm64'], + ['armv7', 'armv7s', 'arm64'])) + return XCODE_ARCHS_DEFAULT_CACHE + + +class XcodeSettings(object): + """A class that understands the gyp 'xcode_settings' object.""" + + # Populated lazily by _SdkPath(). Shared by all XcodeSettings, so cached + # at class-level for efficiency. + _sdk_path_cache = {} + _sdk_root_cache = {} + + # Populated lazily by GetExtraPlistItems(). Shared by all XcodeSettings, so + # cached at class-level for efficiency. + _plist_cache = {} + + # Populated lazily by GetIOSPostbuilds. Shared by all XcodeSettings, so + # cached at class-level for efficiency. + _codesigning_key_cache = {} + + def __init__(self, spec): + self.spec = spec + + self.isIOS = False + + # Per-target 'xcode_settings' are pushed down into configs earlier by gyp. + # This means self.xcode_settings[config] always contains all settings + # for that config -- the per-target settings as well. Settings that are + # the same for all configs are implicitly per-target settings. + self.xcode_settings = {} + configs = spec['configurations'] + for configname, config in configs.iteritems(): + self.xcode_settings[configname] = config.get('xcode_settings', {}) + self._ConvertConditionalKeys(configname) + if self.xcode_settings[configname].get('IPHONEOS_DEPLOYMENT_TARGET', + None): + self.isIOS = True + + # This is only non-None temporarily during the execution of some methods. + self.configname = None + + # Used by _AdjustLibrary to match .a and .dylib entries in libraries. + self.library_re = re.compile(r'^lib([^/]+)\.(a|dylib)$') + + def _ConvertConditionalKeys(self, configname): + """Converts or warns on conditional keys. Xcode supports conditional keys, + such as CODE_SIGN_IDENTITY[sdk=iphoneos*]. This is a partial implementation + with some keys converted while the rest force a warning.""" + settings = self.xcode_settings[configname] + conditional_keys = [key for key in settings if key.endswith(']')] + for key in conditional_keys: + # If you need more, speak up at http://crbug.com/122592 + if key.endswith("[sdk=iphoneos*]"): + if configname.endswith("iphoneos"): + new_key = key.split("[")[0] + settings[new_key] = settings[key] + else: + print 'Warning: Conditional keys not implemented, ignoring:', \ + ' '.join(conditional_keys) + del settings[key] + + def _Settings(self): + assert self.configname + return self.xcode_settings[self.configname] + + def _Test(self, test_key, cond_key, default): + return self._Settings().get(test_key, default) == cond_key + + def _Appendf(self, lst, test_key, format_str, default=None): + if test_key in self._Settings(): + lst.append(format_str % str(self._Settings()[test_key])) + elif default: + lst.append(format_str % str(default)) + + def _WarnUnimplemented(self, test_key): + if test_key in self._Settings(): + print 'Warning: Ignoring not yet implemented key "%s".' % test_key + + def IsBinaryOutputFormat(self, configname): + default = "binary" if self.isIOS else "xml" + format = self.xcode_settings[configname].get('INFOPLIST_OUTPUT_FORMAT', + default) + return format == "binary" + + def _IsBundle(self): + return int(self.spec.get('mac_bundle', 0)) != 0 + + def _IsIosAppExtension(self): + return int(self.spec.get('ios_app_extension', 0)) != 0 + + def _IsIosWatchKitExtension(self): + return int(self.spec.get('ios_watchkit_extension', 0)) != 0 + + def _IsIosWatchApp(self): + return int(self.spec.get('ios_watch_app', 0)) != 0 + + def GetFrameworkVersion(self): + """Returns the framework version of the current target. Only valid for + bundles.""" + assert self._IsBundle() + return self.GetPerTargetSetting('FRAMEWORK_VERSION', default='A') + + def GetWrapperExtension(self): + """Returns the bundle extension (.app, .framework, .plugin, etc). Only + valid for bundles.""" + assert self._IsBundle() + if self.spec['type'] in ('loadable_module', 'shared_library'): + default_wrapper_extension = { + 'loadable_module': 'bundle', + 'shared_library': 'framework', + }[self.spec['type']] + wrapper_extension = self.GetPerTargetSetting( + 'WRAPPER_EXTENSION', default=default_wrapper_extension) + return '.' + self.spec.get('product_extension', wrapper_extension) + elif self.spec['type'] == 'executable': + if self._IsIosAppExtension() or self._IsIosWatchKitExtension(): + return '.' + self.spec.get('product_extension', 'appex') + else: + return '.' + self.spec.get('product_extension', 'app') + else: + assert False, "Don't know extension for '%s', target '%s'" % ( + self.spec['type'], self.spec['target_name']) + + def GetProductName(self): + """Returns PRODUCT_NAME.""" + return self.spec.get('product_name', self.spec['target_name']) + + def GetFullProductName(self): + """Returns FULL_PRODUCT_NAME.""" + if self._IsBundle(): + return self.GetWrapperName() + else: + return self._GetStandaloneBinaryPath() + + def GetWrapperName(self): + """Returns the directory name of the bundle represented by this target. + Only valid for bundles.""" + assert self._IsBundle() + return self.GetProductName() + self.GetWrapperExtension() + + def GetBundleContentsFolderPath(self): + """Returns the qualified path to the bundle's contents folder. E.g. + Chromium.app/Contents or Foo.bundle/Versions/A. Only valid for bundles.""" + if self.isIOS: + return self.GetWrapperName() + assert self._IsBundle() + if self.spec['type'] == 'shared_library': + return os.path.join( + self.GetWrapperName(), 'Versions', self.GetFrameworkVersion()) + else: + # loadable_modules have a 'Contents' folder like executables. + return os.path.join(self.GetWrapperName(), 'Contents') + + def GetBundleResourceFolder(self): + """Returns the qualified path to the bundle's resource folder. E.g. + Chromium.app/Contents/Resources. Only valid for bundles.""" + assert self._IsBundle() + if self.isIOS: + return self.GetBundleContentsFolderPath() + return os.path.join(self.GetBundleContentsFolderPath(), 'Resources') + + def GetBundlePlistPath(self): + """Returns the qualified path to the bundle's plist file. E.g. + Chromium.app/Contents/Info.plist. Only valid for bundles.""" + assert self._IsBundle() + if self.spec['type'] in ('executable', 'loadable_module'): + return os.path.join(self.GetBundleContentsFolderPath(), 'Info.plist') + else: + return os.path.join(self.GetBundleContentsFolderPath(), + 'Resources', 'Info.plist') + + def GetProductType(self): + """Returns the PRODUCT_TYPE of this target.""" + if self._IsIosAppExtension(): + assert self._IsBundle(), ('ios_app_extension flag requires mac_bundle ' + '(target %s)' % self.spec['target_name']) + return 'com.apple.product-type.app-extension' + if self._IsIosWatchKitExtension(): + assert self._IsBundle(), ('ios_watchkit_extension flag requires ' + 'mac_bundle (target %s)' % self.spec['target_name']) + return 'com.apple.product-type.watchkit-extension' + if self._IsIosWatchApp(): + assert self._IsBundle(), ('ios_watch_app flag requires mac_bundle ' + '(target %s)' % self.spec['target_name']) + return 'com.apple.product-type.application.watchapp' + if self._IsBundle(): + return { + 'executable': 'com.apple.product-type.application', + 'loadable_module': 'com.apple.product-type.bundle', + 'shared_library': 'com.apple.product-type.framework', + }[self.spec['type']] + else: + return { + 'executable': 'com.apple.product-type.tool', + 'loadable_module': 'com.apple.product-type.library.dynamic', + 'shared_library': 'com.apple.product-type.library.dynamic', + 'static_library': 'com.apple.product-type.library.static', + }[self.spec['type']] + + def GetMachOType(self): + """Returns the MACH_O_TYPE of this target.""" + # Weird, but matches Xcode. + if not self._IsBundle() and self.spec['type'] == 'executable': + return '' + return { + 'executable': 'mh_execute', + 'static_library': 'staticlib', + 'shared_library': 'mh_dylib', + 'loadable_module': 'mh_bundle', + }[self.spec['type']] + + def _GetBundleBinaryPath(self): + """Returns the name of the bundle binary of by this target. + E.g. Chromium.app/Contents/MacOS/Chromium. Only valid for bundles.""" + assert self._IsBundle() + if self.spec['type'] in ('shared_library') or self.isIOS: + path = self.GetBundleContentsFolderPath() + elif self.spec['type'] in ('executable', 'loadable_module'): + path = os.path.join(self.GetBundleContentsFolderPath(), 'MacOS') + return os.path.join(path, self.GetExecutableName()) + + def _GetStandaloneExecutableSuffix(self): + if 'product_extension' in self.spec: + return '.' + self.spec['product_extension'] + return { + 'executable': '', + 'static_library': '.a', + 'shared_library': '.dylib', + 'loadable_module': '.so', + }[self.spec['type']] + + def _GetStandaloneExecutablePrefix(self): + return self.spec.get('product_prefix', { + 'executable': '', + 'static_library': 'lib', + 'shared_library': 'lib', + # Non-bundled loadable_modules are called foo.so for some reason + # (that is, .so and no prefix) with the xcode build -- match that. + 'loadable_module': '', + }[self.spec['type']]) + + def _GetStandaloneBinaryPath(self): + """Returns the name of the non-bundle binary represented by this target. + E.g. hello_world. Only valid for non-bundles.""" + assert not self._IsBundle() + assert self.spec['type'] in ( + 'executable', 'shared_library', 'static_library', 'loadable_module'), ( + 'Unexpected type %s' % self.spec['type']) + target = self.spec['target_name'] + if self.spec['type'] == 'static_library': + if target[:3] == 'lib': + target = target[3:] + elif self.spec['type'] in ('loadable_module', 'shared_library'): + if target[:3] == 'lib': + target = target[3:] + + target_prefix = self._GetStandaloneExecutablePrefix() + target = self.spec.get('product_name', target) + target_ext = self._GetStandaloneExecutableSuffix() + return target_prefix + target + target_ext + + def GetExecutableName(self): + """Returns the executable name of the bundle represented by this target. + E.g. Chromium.""" + if self._IsBundle(): + return self.spec.get('product_name', self.spec['target_name']) + else: + return self._GetStandaloneBinaryPath() + + def GetExecutablePath(self): + """Returns the directory name of the bundle represented by this target. E.g. + Chromium.app/Contents/MacOS/Chromium.""" + if self._IsBundle(): + return self._GetBundleBinaryPath() + else: + return self._GetStandaloneBinaryPath() + + def GetActiveArchs(self, configname): + """Returns the architectures this target should be built for.""" + config_settings = self.xcode_settings[configname] + xcode_archs_default = GetXcodeArchsDefault() + return xcode_archs_default.ActiveArchs( + config_settings.get('ARCHS'), + config_settings.get('VALID_ARCHS'), + config_settings.get('SDKROOT')) + + def _GetSdkVersionInfoItem(self, sdk, infoitem): + # xcodebuild requires Xcode and can't run on Command Line Tools-only + # systems from 10.7 onward. + # Since the CLT has no SDK paths anyway, returning None is the + # most sensible route and should still do the right thing. + try: + return GetStdout(['xcodebuild', '-version', '-sdk', sdk, infoitem]) + except: + pass + + def _SdkRoot(self, configname): + if configname is None: + configname = self.configname + return self.GetPerConfigSetting('SDKROOT', configname, default='') + + def _SdkPath(self, configname=None): + sdk_root = self._SdkRoot(configname) + if sdk_root.startswith('/'): + return sdk_root + return self._XcodeSdkPath(sdk_root) + + def _XcodeSdkPath(self, sdk_root): + if sdk_root not in XcodeSettings._sdk_path_cache: + sdk_path = self._GetSdkVersionInfoItem(sdk_root, 'Path') + XcodeSettings._sdk_path_cache[sdk_root] = sdk_path + if sdk_root: + XcodeSettings._sdk_root_cache[sdk_path] = sdk_root + return XcodeSettings._sdk_path_cache[sdk_root] + + def _AppendPlatformVersionMinFlags(self, lst): + self._Appendf(lst, 'MACOSX_DEPLOYMENT_TARGET', '-mmacosx-version-min=%s') + if 'IPHONEOS_DEPLOYMENT_TARGET' in self._Settings(): + # TODO: Implement this better? + sdk_path_basename = os.path.basename(self._SdkPath()) + if sdk_path_basename.lower().startswith('iphonesimulator'): + self._Appendf(lst, 'IPHONEOS_DEPLOYMENT_TARGET', + '-mios-simulator-version-min=%s') + else: + self._Appendf(lst, 'IPHONEOS_DEPLOYMENT_TARGET', + '-miphoneos-version-min=%s') + + def GetCflags(self, configname, arch=None): + """Returns flags that need to be added to .c, .cc, .m, and .mm + compilations.""" + # This functions (and the similar ones below) do not offer complete + # emulation of all xcode_settings keys. They're implemented on demand. + + self.configname = configname + cflags = [] + + sdk_root = self._SdkPath() + if 'SDKROOT' in self._Settings() and sdk_root: + cflags.append('-isysroot %s' % sdk_root) + + if self._Test('CLANG_WARN_CONSTANT_CONVERSION', 'YES', default='NO'): + cflags.append('-Wconstant-conversion') + + if self._Test('GCC_CHAR_IS_UNSIGNED_CHAR', 'YES', default='NO'): + cflags.append('-funsigned-char') + + if self._Test('GCC_CW_ASM_SYNTAX', 'YES', default='YES'): + cflags.append('-fasm-blocks') + + if 'GCC_DYNAMIC_NO_PIC' in self._Settings(): + if self._Settings()['GCC_DYNAMIC_NO_PIC'] == 'YES': + cflags.append('-mdynamic-no-pic') + else: + pass + # TODO: In this case, it depends on the target. xcode passes + # mdynamic-no-pic by default for executable and possibly static lib + # according to mento + + if self._Test('GCC_ENABLE_PASCAL_STRINGS', 'YES', default='YES'): + cflags.append('-mpascal-strings') + + self._Appendf(cflags, 'GCC_OPTIMIZATION_LEVEL', '-O%s', default='s') + + if self._Test('GCC_GENERATE_DEBUGGING_SYMBOLS', 'YES', default='YES'): + dbg_format = self._Settings().get('DEBUG_INFORMATION_FORMAT', 'dwarf') + if dbg_format == 'dwarf': + cflags.append('-gdwarf-2') + elif dbg_format == 'stabs': + raise NotImplementedError('stabs debug format is not supported yet.') + elif dbg_format == 'dwarf-with-dsym': + cflags.append('-gdwarf-2') + else: + raise NotImplementedError('Unknown debug format %s' % dbg_format) + + if self._Settings().get('GCC_STRICT_ALIASING') == 'YES': + cflags.append('-fstrict-aliasing') + elif self._Settings().get('GCC_STRICT_ALIASING') == 'NO': + cflags.append('-fno-strict-aliasing') + + if self._Test('GCC_SYMBOLS_PRIVATE_EXTERN', 'YES', default='NO'): + cflags.append('-fvisibility=hidden') + + if self._Test('GCC_TREAT_WARNINGS_AS_ERRORS', 'YES', default='NO'): + cflags.append('-Werror') + + if self._Test('GCC_WARN_ABOUT_MISSING_NEWLINE', 'YES', default='NO'): + cflags.append('-Wnewline-eof') + + # In Xcode, this is only activated when GCC_COMPILER_VERSION is clang or + # llvm-gcc. It also requires a fairly recent libtool, and + # if the system clang isn't used, DYLD_LIBRARY_PATH needs to contain the + # path to the libLTO.dylib that matches the used clang. + if self._Test('LLVM_LTO', 'YES', default='NO'): + cflags.append('-flto') + + self._AppendPlatformVersionMinFlags(cflags) + + # TODO: + if self._Test('COPY_PHASE_STRIP', 'YES', default='NO'): + self._WarnUnimplemented('COPY_PHASE_STRIP') + self._WarnUnimplemented('GCC_DEBUGGING_SYMBOLS') + self._WarnUnimplemented('GCC_ENABLE_OBJC_EXCEPTIONS') + + # TODO: This is exported correctly, but assigning to it is not supported. + self._WarnUnimplemented('MACH_O_TYPE') + self._WarnUnimplemented('PRODUCT_TYPE') + + if arch is not None: + archs = [arch] + else: + assert self.configname + archs = self.GetActiveArchs(self.configname) + if len(archs) != 1: + # TODO: Supporting fat binaries will be annoying. + self._WarnUnimplemented('ARCHS') + archs = ['i386'] + cflags.append('-arch ' + archs[0]) + + if archs[0] in ('i386', 'x86_64'): + if self._Test('GCC_ENABLE_SSE3_EXTENSIONS', 'YES', default='NO'): + cflags.append('-msse3') + if self._Test('GCC_ENABLE_SUPPLEMENTAL_SSE3_INSTRUCTIONS', 'YES', + default='NO'): + cflags.append('-mssse3') # Note 3rd 's'. + if self._Test('GCC_ENABLE_SSE41_EXTENSIONS', 'YES', default='NO'): + cflags.append('-msse4.1') + if self._Test('GCC_ENABLE_SSE42_EXTENSIONS', 'YES', default='NO'): + cflags.append('-msse4.2') + + cflags += self._Settings().get('WARNING_CFLAGS', []) + + if sdk_root: + framework_root = sdk_root + else: + framework_root = '' + config = self.spec['configurations'][self.configname] + framework_dirs = config.get('mac_framework_dirs', []) + for directory in framework_dirs: + cflags.append('-F' + directory.replace('$(SDKROOT)', framework_root)) + + self.configname = None + return cflags + + def GetCflagsC(self, configname): + """Returns flags that need to be added to .c, and .m compilations.""" + self.configname = configname + cflags_c = [] + if self._Settings().get('GCC_C_LANGUAGE_STANDARD', '') == 'ansi': + cflags_c.append('-ansi') + else: + self._Appendf(cflags_c, 'GCC_C_LANGUAGE_STANDARD', '-std=%s') + cflags_c += self._Settings().get('OTHER_CFLAGS', []) + self.configname = None + return cflags_c + + def GetCflagsCC(self, configname): + """Returns flags that need to be added to .cc, and .mm compilations.""" + self.configname = configname + cflags_cc = [] + + clang_cxx_language_standard = self._Settings().get( + 'CLANG_CXX_LANGUAGE_STANDARD') + # Note: Don't make c++0x to c++11 so that c++0x can be used with older + # clangs that don't understand c++11 yet (like Xcode 4.2's). + if clang_cxx_language_standard: + cflags_cc.append('-std=%s' % clang_cxx_language_standard) + + self._Appendf(cflags_cc, 'CLANG_CXX_LIBRARY', '-stdlib=%s') + + if self._Test('GCC_ENABLE_CPP_RTTI', 'NO', default='YES'): + cflags_cc.append('-fno-rtti') + if self._Test('GCC_ENABLE_CPP_EXCEPTIONS', 'NO', default='YES'): + cflags_cc.append('-fno-exceptions') + if self._Test('GCC_INLINES_ARE_PRIVATE_EXTERN', 'YES', default='NO'): + cflags_cc.append('-fvisibility-inlines-hidden') + if self._Test('GCC_THREADSAFE_STATICS', 'NO', default='YES'): + cflags_cc.append('-fno-threadsafe-statics') + # Note: This flag is a no-op for clang, it only has an effect for gcc. + if self._Test('GCC_WARN_ABOUT_INVALID_OFFSETOF_MACRO', 'NO', default='YES'): + cflags_cc.append('-Wno-invalid-offsetof') + + other_ccflags = [] + + for flag in self._Settings().get('OTHER_CPLUSPLUSFLAGS', ['$(inherited)']): + # TODO: More general variable expansion. Missing in many other places too. + if flag in ('$inherited', '$(inherited)', '${inherited}'): + flag = '$OTHER_CFLAGS' + if flag in ('$OTHER_CFLAGS', '$(OTHER_CFLAGS)', '${OTHER_CFLAGS}'): + other_ccflags += self._Settings().get('OTHER_CFLAGS', []) + else: + other_ccflags.append(flag) + cflags_cc += other_ccflags + + self.configname = None + return cflags_cc + + def _AddObjectiveCGarbageCollectionFlags(self, flags): + gc_policy = self._Settings().get('GCC_ENABLE_OBJC_GC', 'unsupported') + if gc_policy == 'supported': + flags.append('-fobjc-gc') + elif gc_policy == 'required': + flags.append('-fobjc-gc-only') + + def _AddObjectiveCARCFlags(self, flags): + if self._Test('CLANG_ENABLE_OBJC_ARC', 'YES', default='NO'): + flags.append('-fobjc-arc') + + def _AddObjectiveCMissingPropertySynthesisFlags(self, flags): + if self._Test('CLANG_WARN_OBJC_MISSING_PROPERTY_SYNTHESIS', + 'YES', default='NO'): + flags.append('-Wobjc-missing-property-synthesis') + + def GetCflagsObjC(self, configname): + """Returns flags that need to be added to .m compilations.""" + self.configname = configname + cflags_objc = [] + self._AddObjectiveCGarbageCollectionFlags(cflags_objc) + self._AddObjectiveCARCFlags(cflags_objc) + self._AddObjectiveCMissingPropertySynthesisFlags(cflags_objc) + self.configname = None + return cflags_objc + + def GetCflagsObjCC(self, configname): + """Returns flags that need to be added to .mm compilations.""" + self.configname = configname + cflags_objcc = [] + self._AddObjectiveCGarbageCollectionFlags(cflags_objcc) + self._AddObjectiveCARCFlags(cflags_objcc) + self._AddObjectiveCMissingPropertySynthesisFlags(cflags_objcc) + if self._Test('GCC_OBJC_CALL_CXX_CDTORS', 'YES', default='NO'): + cflags_objcc.append('-fobjc-call-cxx-cdtors') + self.configname = None + return cflags_objcc + + def GetInstallNameBase(self): + """Return DYLIB_INSTALL_NAME_BASE for this target.""" + # Xcode sets this for shared_libraries, and for nonbundled loadable_modules. + if (self.spec['type'] != 'shared_library' and + (self.spec['type'] != 'loadable_module' or self._IsBundle())): + return None + install_base = self.GetPerTargetSetting( + 'DYLIB_INSTALL_NAME_BASE', + default='/Library/Frameworks' if self._IsBundle() else '/usr/local/lib') + return install_base + + def _StandardizePath(self, path): + """Do :standardizepath processing for path.""" + # I'm not quite sure what :standardizepath does. Just call normpath(), + # but don't let @executable_path/../foo collapse to foo. + if '/' in path: + prefix, rest = '', path + if path.startswith('@'): + prefix, rest = path.split('/', 1) + rest = os.path.normpath(rest) # :standardizepath + path = os.path.join(prefix, rest) + return path + + def GetInstallName(self): + """Return LD_DYLIB_INSTALL_NAME for this target.""" + # Xcode sets this for shared_libraries, and for nonbundled loadable_modules. + if (self.spec['type'] != 'shared_library' and + (self.spec['type'] != 'loadable_module' or self._IsBundle())): + return None + + default_install_name = \ + '$(DYLIB_INSTALL_NAME_BASE:standardizepath)/$(EXECUTABLE_PATH)' + install_name = self.GetPerTargetSetting( + 'LD_DYLIB_INSTALL_NAME', default=default_install_name) + + # Hardcode support for the variables used in chromium for now, to + # unblock people using the make build. + if '$' in install_name: + assert install_name in ('$(DYLIB_INSTALL_NAME_BASE:standardizepath)/' + '$(WRAPPER_NAME)/$(PRODUCT_NAME)', default_install_name), ( + 'Variables in LD_DYLIB_INSTALL_NAME are not generally supported ' + 'yet in target \'%s\' (got \'%s\')' % + (self.spec['target_name'], install_name)) + + install_name = install_name.replace( + '$(DYLIB_INSTALL_NAME_BASE:standardizepath)', + self._StandardizePath(self.GetInstallNameBase())) + if self._IsBundle(): + # These are only valid for bundles, hence the |if|. + install_name = install_name.replace( + '$(WRAPPER_NAME)', self.GetWrapperName()) + install_name = install_name.replace( + '$(PRODUCT_NAME)', self.GetProductName()) + else: + assert '$(WRAPPER_NAME)' not in install_name + assert '$(PRODUCT_NAME)' not in install_name + + install_name = install_name.replace( + '$(EXECUTABLE_PATH)', self.GetExecutablePath()) + return install_name + + def _MapLinkerFlagFilename(self, ldflag, gyp_to_build_path): + """Checks if ldflag contains a filename and if so remaps it from + gyp-directory-relative to build-directory-relative.""" + # This list is expanded on demand. + # They get matched as: + # -exported_symbols_list file + # -Wl,exported_symbols_list file + # -Wl,exported_symbols_list,file + LINKER_FILE = r'(\S+)' + WORD = r'\S+' + linker_flags = [ + ['-exported_symbols_list', LINKER_FILE], # Needed for NaCl. + ['-unexported_symbols_list', LINKER_FILE], + ['-reexported_symbols_list', LINKER_FILE], + ['-sectcreate', WORD, WORD, LINKER_FILE], # Needed for remoting. + ] + for flag_pattern in linker_flags: + regex = re.compile('(?:-Wl,)?' + '[ ,]'.join(flag_pattern)) + m = regex.match(ldflag) + if m: + ldflag = ldflag[:m.start(1)] + gyp_to_build_path(m.group(1)) + \ + ldflag[m.end(1):] + # Required for ffmpeg (no idea why they don't use LIBRARY_SEARCH_PATHS, + # TODO(thakis): Update ffmpeg.gyp): + if ldflag.startswith('-L'): + ldflag = '-L' + gyp_to_build_path(ldflag[len('-L'):]) + return ldflag + + def GetLdflags(self, configname, product_dir, gyp_to_build_path, arch=None): + """Returns flags that need to be passed to the linker. + + Args: + configname: The name of the configuration to get ld flags for. + product_dir: The directory where products such static and dynamic + libraries are placed. This is added to the library search path. + gyp_to_build_path: A function that converts paths relative to the + current gyp file to paths relative to the build direcotry. + """ + self.configname = configname + ldflags = [] + + # The xcode build is relative to a gyp file's directory, and OTHER_LDFLAGS + # can contain entries that depend on this. Explicitly absolutify these. + for ldflag in self._Settings().get('OTHER_LDFLAGS', []): + ldflags.append(self._MapLinkerFlagFilename(ldflag, gyp_to_build_path)) + + if self._Test('DEAD_CODE_STRIPPING', 'YES', default='NO'): + ldflags.append('-Wl,-dead_strip') + + if self._Test('PREBINDING', 'YES', default='NO'): + ldflags.append('-Wl,-prebind') + + self._Appendf( + ldflags, 'DYLIB_COMPATIBILITY_VERSION', '-compatibility_version %s') + self._Appendf( + ldflags, 'DYLIB_CURRENT_VERSION', '-current_version %s') + + self._AppendPlatformVersionMinFlags(ldflags) + + if 'SDKROOT' in self._Settings() and self._SdkPath(): + ldflags.append('-isysroot ' + self._SdkPath()) + + for library_path in self._Settings().get('LIBRARY_SEARCH_PATHS', []): + ldflags.append('-L' + gyp_to_build_path(library_path)) + + if 'ORDER_FILE' in self._Settings(): + ldflags.append('-Wl,-order_file ' + + '-Wl,' + gyp_to_build_path( + self._Settings()['ORDER_FILE'])) + + if arch is not None: + archs = [arch] + else: + assert self.configname + archs = self.GetActiveArchs(self.configname) + if len(archs) != 1: + # TODO: Supporting fat binaries will be annoying. + self._WarnUnimplemented('ARCHS') + archs = ['i386'] + ldflags.append('-arch ' + archs[0]) + + # Xcode adds the product directory by default. + ldflags.append('-L' + product_dir) + + install_name = self.GetInstallName() + if install_name and self.spec['type'] != 'loadable_module': + ldflags.append('-install_name ' + install_name.replace(' ', r'\ ')) + + for rpath in self._Settings().get('LD_RUNPATH_SEARCH_PATHS', []): + ldflags.append('-Wl,-rpath,' + rpath) + + sdk_root = self._SdkPath() + if not sdk_root: + sdk_root = '' + config = self.spec['configurations'][self.configname] + framework_dirs = config.get('mac_framework_dirs', []) + for directory in framework_dirs: + ldflags.append('-F' + directory.replace('$(SDKROOT)', sdk_root)) + + is_extension = self._IsIosAppExtension() or self._IsIosWatchKitExtension() + if sdk_root and is_extension: + # Adds the link flags for extensions. These flags are common for all + # extensions and provide loader and main function. + # These flags reflect the compilation options used by xcode to compile + # extensions. + ldflags.append('-lpkstart') + if XcodeVersion() < '0900': + ldflags.append(sdk_root + + '/System/Library/PrivateFrameworks/PlugInKit.framework/PlugInKit') + ldflags.append('-fapplication-extension') + ldflags.append('-Xlinker -rpath ' + '-Xlinker @executable_path/../../Frameworks') + + self._Appendf(ldflags, 'CLANG_CXX_LIBRARY', '-stdlib=%s') + + self.configname = None + return ldflags + + def GetLibtoolflags(self, configname): + """Returns flags that need to be passed to the static linker. + + Args: + configname: The name of the configuration to get ld flags for. + """ + self.configname = configname + libtoolflags = [] + + for libtoolflag in self._Settings().get('OTHER_LDFLAGS', []): + libtoolflags.append(libtoolflag) + # TODO(thakis): ARCHS? + + self.configname = None + return libtoolflags + + def GetPerTargetSettings(self): + """Gets a list of all the per-target settings. This will only fetch keys + whose values are the same across all configurations.""" + first_pass = True + result = {} + for configname in sorted(self.xcode_settings.keys()): + if first_pass: + result = dict(self.xcode_settings[configname]) + first_pass = False + else: + for key, value in self.xcode_settings[configname].iteritems(): + if key not in result: + continue + elif result[key] != value: + del result[key] + return result + + def GetPerConfigSetting(self, setting, configname, default=None): + if configname in self.xcode_settings: + return self.xcode_settings[configname].get(setting, default) + else: + return self.GetPerTargetSetting(setting, default) + + def GetPerTargetSetting(self, setting, default=None): + """Tries to get xcode_settings.setting from spec. Assumes that the setting + has the same value in all configurations and throws otherwise.""" + is_first_pass = True + result = None + for configname in sorted(self.xcode_settings.keys()): + if is_first_pass: + result = self.xcode_settings[configname].get(setting, None) + is_first_pass = False + else: + assert result == self.xcode_settings[configname].get(setting, None), ( + "Expected per-target setting for '%s', got per-config setting " + "(target %s)" % (setting, self.spec['target_name'])) + if result is None: + return default + return result + + def _GetStripPostbuilds(self, configname, output_binary, quiet): + """Returns a list of shell commands that contain the shell commands + neccessary to strip this target's binary. These should be run as postbuilds + before the actual postbuilds run.""" + self.configname = configname + + result = [] + if (self._Test('DEPLOYMENT_POSTPROCESSING', 'YES', default='NO') and + self._Test('STRIP_INSTALLED_PRODUCT', 'YES', default='NO')): + + default_strip_style = 'debugging' + if self.spec['type'] == 'loadable_module' and self._IsBundle(): + default_strip_style = 'non-global' + elif self.spec['type'] == 'executable': + default_strip_style = 'all' + + strip_style = self._Settings().get('STRIP_STYLE', default_strip_style) + strip_flags = { + 'all': '', + 'non-global': '-x', + 'debugging': '-S', + }[strip_style] + + explicit_strip_flags = self._Settings().get('STRIPFLAGS', '') + if explicit_strip_flags: + strip_flags += ' ' + _NormalizeEnvVarReferences(explicit_strip_flags) + + if not quiet: + result.append('echo STRIP\\(%s\\)' % self.spec['target_name']) + result.append('strip %s %s' % (strip_flags, output_binary)) + + self.configname = None + return result + + def _GetDebugInfoPostbuilds(self, configname, output, output_binary, quiet): + """Returns a list of shell commands that contain the shell commands + neccessary to massage this target's debug information. These should be run + as postbuilds before the actual postbuilds run.""" + self.configname = configname + + # For static libraries, no dSYMs are created. + result = [] + if (self._Test('GCC_GENERATE_DEBUGGING_SYMBOLS', 'YES', default='YES') and + self._Test( + 'DEBUG_INFORMATION_FORMAT', 'dwarf-with-dsym', default='dwarf') and + self.spec['type'] != 'static_library'): + if not quiet: + result.append('echo DSYMUTIL\\(%s\\)' % self.spec['target_name']) + result.append('dsymutil %s -o %s' % (output_binary, output + '.dSYM')) + + self.configname = None + return result + + def _GetTargetPostbuilds(self, configname, output, output_binary, + quiet=False): + """Returns a list of shell commands that contain the shell commands + to run as postbuilds for this target, before the actual postbuilds.""" + # dSYMs need to build before stripping happens. + return ( + self._GetDebugInfoPostbuilds(configname, output, output_binary, quiet) + + self._GetStripPostbuilds(configname, output_binary, quiet)) + + def _GetIOSPostbuilds(self, configname, output_binary): + """Return a shell command to codesign the iOS output binary so it can + be deployed to a device. This should be run as the very last step of the + build.""" + if not (self.isIOS and self.spec['type'] == 'executable'): + return [] + + settings = self.xcode_settings[configname] + key = self._GetIOSCodeSignIdentityKey(settings) + if not key: + return [] + + # Warn for any unimplemented signing xcode keys. + unimpl = ['OTHER_CODE_SIGN_FLAGS'] + unimpl = set(unimpl) & set(self.xcode_settings[configname].keys()) + if unimpl: + print 'Warning: Some codesign keys not implemented, ignoring: %s' % ( + ', '.join(sorted(unimpl))) + + return ['%s code-sign-bundle "%s" "%s" "%s" "%s"' % ( + os.path.join('${TARGET_BUILD_DIR}', 'gyp-mac-tool'), key, + settings.get('CODE_SIGN_RESOURCE_RULES_PATH', ''), + settings.get('CODE_SIGN_ENTITLEMENTS', ''), + settings.get('PROVISIONING_PROFILE', '')) + ] + + def _GetIOSCodeSignIdentityKey(self, settings): + identity = settings.get('CODE_SIGN_IDENTITY') + if not identity: + return None + if identity not in XcodeSettings._codesigning_key_cache: + output = subprocess.check_output( + ['security', 'find-identity', '-p', 'codesigning', '-v']) + for line in output.splitlines(): + if identity in line: + fingerprint = line.split()[1] + cache = XcodeSettings._codesigning_key_cache + assert identity not in cache or fingerprint == cache[identity], ( + "Multiple codesigning fingerprints for identity: %s" % identity) + XcodeSettings._codesigning_key_cache[identity] = fingerprint + return XcodeSettings._codesigning_key_cache.get(identity, '') + + def AddImplicitPostbuilds(self, configname, output, output_binary, + postbuilds=[], quiet=False): + """Returns a list of shell commands that should run before and after + |postbuilds|.""" + assert output_binary is not None + pre = self._GetTargetPostbuilds(configname, output, output_binary, quiet) + post = self._GetIOSPostbuilds(configname, output_binary) + return pre + postbuilds + post + + def _AdjustLibrary(self, library, config_name=None): + if library.endswith('.framework'): + l = '-framework ' + os.path.splitext(os.path.basename(library))[0] + else: + m = self.library_re.match(library) + if m: + l = '-l' + m.group(1) + else: + l = library + + sdk_root = self._SdkPath(config_name) + if not sdk_root: + sdk_root = '' + # Xcode 7 started shipping with ".tbd" (text based stubs) files instead of + # ".dylib" without providing a real support for them. What it does, for + # "/usr/lib" libraries, is do "-L/usr/lib -lname" which is dependent on the + # library order and cause collision when building Chrome. + # + # Instead substitude ".tbd" to ".dylib" in the generated project when the + # following conditions are both true: + # - library is referenced in the gyp file as "$(SDKROOT)/**/*.dylib", + # - the ".dylib" file does not exists but a ".tbd" file do. + library = l.replace('$(SDKROOT)', sdk_root) + if l.startswith('$(SDKROOT)'): + basename, ext = os.path.splitext(library) + if ext == '.dylib' and not os.path.exists(library): + tbd_library = basename + '.tbd' + if os.path.exists(tbd_library): + library = tbd_library + return library + + def AdjustLibraries(self, libraries, config_name=None): + """Transforms entries like 'Cocoa.framework' in libraries into entries like + '-framework Cocoa', 'libcrypto.dylib' into '-lcrypto', etc. + """ + libraries = [self._AdjustLibrary(library, config_name) + for library in libraries] + return libraries + + def _BuildMachineOSBuild(self): + return GetStdout(['sw_vers', '-buildVersion']) + + def _XcodeIOSDeviceFamily(self, configname): + family = self.xcode_settings[configname].get('TARGETED_DEVICE_FAMILY', '1') + return [int(x) for x in family.split(',')] + + def GetExtraPlistItems(self, configname=None): + """Returns a dictionary with extra items to insert into Info.plist.""" + if configname not in XcodeSettings._plist_cache: + cache = {} + cache['BuildMachineOSBuild'] = self._BuildMachineOSBuild() + + xcode, xcode_build = XcodeVersion() + cache['DTXcode'] = xcode + cache['DTXcodeBuild'] = xcode_build + + sdk_root = self._SdkRoot(configname) + if not sdk_root: + sdk_root = self._DefaultSdkRoot() + cache['DTSDKName'] = sdk_root + if xcode >= '0430': + cache['DTSDKBuild'] = self._GetSdkVersionInfoItem( + sdk_root, 'ProductBuildVersion') + else: + cache['DTSDKBuild'] = cache['BuildMachineOSBuild'] + + if self.isIOS: + cache['DTPlatformName'] = cache['DTSDKName'] + if configname.endswith("iphoneos"): + cache['DTPlatformVersion'] = self._GetSdkVersionInfoItem( + sdk_root, 'ProductVersion') + cache['CFBundleSupportedPlatforms'] = ['iPhoneOS'] + else: + cache['CFBundleSupportedPlatforms'] = ['iPhoneSimulator'] + XcodeSettings._plist_cache[configname] = cache + + # Include extra plist items that are per-target, not per global + # XcodeSettings. + items = dict(XcodeSettings._plist_cache[configname]) + if self.isIOS: + items['UIDeviceFamily'] = self._XcodeIOSDeviceFamily(configname) + return items + + def _DefaultSdkRoot(self): + """Returns the default SDKROOT to use. + + Prior to version 5.0.0, if SDKROOT was not explicitly set in the Xcode + project, then the environment variable was empty. Starting with this + version, Xcode uses the name of the newest SDK installed. + """ + xcode_version, xcode_build = XcodeVersion() + if xcode_version < '0500': + return '' + default_sdk_path = self._XcodeSdkPath('') + default_sdk_root = XcodeSettings._sdk_root_cache.get(default_sdk_path) + if default_sdk_root: + return default_sdk_root + try: + all_sdks = GetStdout(['xcodebuild', '-showsdks']) + except: + # If xcodebuild fails, there will be no valid SDKs + return '' + for line in all_sdks.splitlines(): + items = line.split() + if len(items) >= 3 and items[-2] == '-sdk': + sdk_root = items[-1] + sdk_path = self._XcodeSdkPath(sdk_root) + if sdk_path == default_sdk_path: + return sdk_root + return '' + + +class MacPrefixHeader(object): + """A class that helps with emulating Xcode's GCC_PREFIX_HEADER feature. + + This feature consists of several pieces: + * If GCC_PREFIX_HEADER is present, all compilations in that project get an + additional |-include path_to_prefix_header| cflag. + * If GCC_PRECOMPILE_PREFIX_HEADER is present too, then the prefix header is + instead compiled, and all other compilations in the project get an + additional |-include path_to_compiled_header| instead. + + Compiled prefix headers have the extension gch. There is one gch file for + every language used in the project (c, cc, m, mm), since gch files for + different languages aren't compatible. + + gch files themselves are built with the target's normal cflags, but they + obviously don't get the |-include| flag. Instead, they need a -x flag that + describes their language. + + All o files in the target need to depend on the gch file, to make sure + it's built before any o file is built. + + This class helps with some of these tasks, but it needs help from the build + system for writing dependencies to the gch files, for writing build commands + for the gch files, and for figuring out the location of the gch files. + """ + def __init__(self, xcode_settings, + gyp_path_to_build_path, gyp_path_to_build_output): + """If xcode_settings is None, all methods on this class are no-ops. + + Args: + gyp_path_to_build_path: A function that takes a gyp-relative path, + and returns a path relative to the build directory. + gyp_path_to_build_output: A function that takes a gyp-relative path and + a language code ('c', 'cc', 'm', or 'mm'), and that returns a path + to where the output of precompiling that path for that language + should be placed (without the trailing '.gch'). + """ + # This doesn't support per-configuration prefix headers. Good enough + # for now. + self.header = None + self.compile_headers = False + if xcode_settings: + self.header = xcode_settings.GetPerTargetSetting('GCC_PREFIX_HEADER') + self.compile_headers = xcode_settings.GetPerTargetSetting( + 'GCC_PRECOMPILE_PREFIX_HEADER', default='NO') != 'NO' + self.compiled_headers = {} + if self.header: + if self.compile_headers: + for lang in ['c', 'cc', 'm', 'mm']: + self.compiled_headers[lang] = gyp_path_to_build_output( + self.header, lang) + self.header = gyp_path_to_build_path(self.header) + + def _CompiledHeader(self, lang, arch): + assert self.compile_headers + h = self.compiled_headers[lang] + if arch: + h += '.' + arch + return h + + def GetInclude(self, lang, arch=None): + """Gets the cflags to include the prefix header for language |lang|.""" + if self.compile_headers and lang in self.compiled_headers: + return '-include %s' % self._CompiledHeader(lang, arch) + elif self.header: + return '-include %s' % self.header + else: + return '' + + def _Gch(self, lang, arch): + """Returns the actual file name of the prefix header for language |lang|.""" + assert self.compile_headers + return self._CompiledHeader(lang, arch) + '.gch' + + def GetObjDependencies(self, sources, objs, arch=None): + """Given a list of source files and the corresponding object files, returns + a list of (source, object, gch) tuples, where |gch| is the build-directory + relative path to the gch file each object file depends on. |compilable[i]| + has to be the source file belonging to |objs[i]|.""" + if not self.header or not self.compile_headers: + return [] + + result = [] + for source, obj in zip(sources, objs): + ext = os.path.splitext(source)[1] + lang = { + '.c': 'c', + '.cpp': 'cc', '.cc': 'cc', '.cxx': 'cc', + '.m': 'm', + '.mm': 'mm', + }.get(ext, None) + if lang: + result.append((source, obj, self._Gch(lang, arch))) + return result + + def GetPchBuildCommands(self, arch=None): + """Returns [(path_to_gch, language_flag, language, header)]. + |path_to_gch| and |header| are relative to the build directory. + """ + if not self.header or not self.compile_headers: + return [] + return [ + (self._Gch('c', arch), '-x c-header', 'c', self.header), + (self._Gch('cc', arch), '-x c++-header', 'cc', self.header), + (self._Gch('m', arch), '-x objective-c-header', 'm', self.header), + (self._Gch('mm', arch), '-x objective-c++-header', 'mm', self.header), + ] + + +def XcodeVersion(): + """Returns a tuple of version and build version of installed Xcode.""" + # `xcodebuild -version` output looks like + # Xcode 4.6.3 + # Build version 4H1503 + # or like + # Xcode 3.2.6 + # Component versions: DevToolsCore-1809.0; DevToolsSupport-1806.0 + # BuildVersion: 10M2518 + # Convert that to '0463', '4H1503'. + global XCODE_VERSION_CACHE + if XCODE_VERSION_CACHE: + return XCODE_VERSION_CACHE + try: + version_list = GetStdout(['xcodebuild', '-version']).splitlines() + # In some circumstances xcodebuild exits 0 but doesn't return + # the right results; for example, a user on 10.7 or 10.8 with + # a bogus path set via xcode-select + # In that case this may be a CLT-only install so fall back to + # checking that version. + if len(version_list) < 2: + raise GypError("xcodebuild returned unexpected results") + except: + version = CLTVersion() + if version: + version = re.match(r'(\d\.\d\.?\d*)', version).groups()[0] + else: + raise GypError("No Xcode or CLT version detected!") + # The CLT has no build information, so we return an empty string. + version_list = [version, ''] + version = version_list[0] + build = version_list[-1] + # Be careful to convert "4.2" to "0420": + version = version.split()[-1].replace('.', '') + version = (version + '0' * (3 - len(version))).zfill(4) + if build: + build = build.split()[-1] + XCODE_VERSION_CACHE = (version, build) + return XCODE_VERSION_CACHE + + +# This function ported from the logic in Homebrew's CLT version check +def CLTVersion(): + """Returns the version of command-line tools from pkgutil.""" + # pkgutil output looks like + # package-id: com.apple.pkg.CLTools_Executables + # version: 5.0.1.0.1.1382131676 + # volume: / + # location: / + # install-time: 1382544035 + # groups: com.apple.FindSystemFiles.pkg-group com.apple.DevToolsBoth.pkg-group com.apple.DevToolsNonRelocatableShared.pkg-group + STANDALONE_PKG_ID = "com.apple.pkg.DeveloperToolsCLILeo" + FROM_XCODE_PKG_ID = "com.apple.pkg.DeveloperToolsCLI" + MAVERICKS_PKG_ID = "com.apple.pkg.CLTools_Executables" + + regex = re.compile('version: (?P<version>.+)') + for key in [MAVERICKS_PKG_ID, STANDALONE_PKG_ID, FROM_XCODE_PKG_ID]: + try: + output = GetStdout(['/usr/sbin/pkgutil', '--pkg-info', key]) + return re.search(regex, output).groupdict()['version'] + except: + continue + + +def GetStdout(cmdlist): + """Returns the content of standard output returned by invoking |cmdlist|. + Raises |GypError| if the command return with a non-zero return code.""" + job = subprocess.Popen(cmdlist, stdout=subprocess.PIPE) + out = job.communicate()[0] + if job.returncode != 0: + sys.stderr.write(out + '\n') + raise GypError('Error %d running %s' % (job.returncode, cmdlist[0])) + return out.rstrip('\n') + + +def MergeGlobalXcodeSettingsToSpec(global_dict, spec): + """Merges the global xcode_settings dictionary into each configuration of the + target represented by spec. For keys that are both in the global and the local + xcode_settings dict, the local key gets precendence. + """ + # The xcode generator special-cases global xcode_settings and does something + # that amounts to merging in the global xcode_settings into each local + # xcode_settings dict. + global_xcode_settings = global_dict.get('xcode_settings', {}) + for config in spec['configurations'].values(): + if 'xcode_settings' in config: + new_settings = global_xcode_settings.copy() + new_settings.update(config['xcode_settings']) + config['xcode_settings'] = new_settings + + +def IsMacBundle(flavor, spec): + """Returns if |spec| should be treated as a bundle. + + Bundles are directories with a certain subdirectory structure, instead of + just a single file. Bundle rules do not produce a binary but also package + resources into that directory.""" + is_mac_bundle = (int(spec.get('mac_bundle', 0)) != 0 and flavor == 'mac') + if is_mac_bundle: + assert spec['type'] != 'none', ( + 'mac_bundle targets cannot have type none (target "%s")' % + spec['target_name']) + return is_mac_bundle + + +def GetMacBundleResources(product_dir, xcode_settings, resources): + """Yields (output, resource) pairs for every resource in |resources|. + Only call this for mac bundle targets. + + Args: + product_dir: Path to the directory containing the output bundle, + relative to the build directory. + xcode_settings: The XcodeSettings of the current target. + resources: A list of bundle resources, relative to the build directory. + """ + dest = os.path.join(product_dir, + xcode_settings.GetBundleResourceFolder()) + for res in resources: + output = dest + + # The make generator doesn't support it, so forbid it everywhere + # to keep the generators more interchangable. + assert ' ' not in res, ( + "Spaces in resource filenames not supported (%s)" % res) + + # Split into (path,file). + res_parts = os.path.split(res) + + # Now split the path into (prefix,maybe.lproj). + lproj_parts = os.path.split(res_parts[0]) + # If the resource lives in a .lproj bundle, add that to the destination. + if lproj_parts[1].endswith('.lproj'): + output = os.path.join(output, lproj_parts[1]) + + output = os.path.join(output, res_parts[1]) + # Compiled XIB files are referred to by .nib. + if output.endswith('.xib'): + output = os.path.splitext(output)[0] + '.nib' + # Compiled storyboard files are referred to by .storyboardc. + if output.endswith('.storyboard'): + output = os.path.splitext(output)[0] + '.storyboardc' + + yield output, res + + +def GetMacInfoPlist(product_dir, xcode_settings, gyp_path_to_build_path): + """Returns (info_plist, dest_plist, defines, extra_env), where: + * |info_plist| is the source plist path, relative to the + build directory, + * |dest_plist| is the destination plist path, relative to the + build directory, + * |defines| is a list of preprocessor defines (empty if the plist + shouldn't be preprocessed, + * |extra_env| is a dict of env variables that should be exported when + invoking |mac_tool copy-info-plist|. + + Only call this for mac bundle targets. + + Args: + product_dir: Path to the directory containing the output bundle, + relative to the build directory. + xcode_settings: The XcodeSettings of the current target. + gyp_to_build_path: A function that converts paths relative to the + current gyp file to paths relative to the build direcotry. + """ + info_plist = xcode_settings.GetPerTargetSetting('INFOPLIST_FILE') + if not info_plist: + return None, None, [], {} + + # The make generator doesn't support it, so forbid it everywhere + # to keep the generators more interchangable. + assert ' ' not in info_plist, ( + "Spaces in Info.plist filenames not supported (%s)" % info_plist) + + info_plist = gyp_path_to_build_path(info_plist) + + # If explicitly set to preprocess the plist, invoke the C preprocessor and + # specify any defines as -D flags. + if xcode_settings.GetPerTargetSetting( + 'INFOPLIST_PREPROCESS', default='NO') == 'YES': + # Create an intermediate file based on the path. + defines = shlex.split(xcode_settings.GetPerTargetSetting( + 'INFOPLIST_PREPROCESSOR_DEFINITIONS', default='')) + else: + defines = [] + + dest_plist = os.path.join(product_dir, xcode_settings.GetBundlePlistPath()) + extra_env = xcode_settings.GetPerTargetSettings() + + return info_plist, dest_plist, defines, extra_env + + +def _GetXcodeEnv(xcode_settings, built_products_dir, srcroot, configuration, + additional_settings=None): + """Return the environment variables that Xcode would set. See + http://developer.apple.com/library/mac/#documentation/DeveloperTools/Reference/XcodeBuildSettingRef/1-Build_Setting_Reference/build_setting_ref.html#//apple_ref/doc/uid/TP40003931-CH3-SW153 + for a full list. + + Args: + xcode_settings: An XcodeSettings object. If this is None, this function + returns an empty dict. + built_products_dir: Absolute path to the built products dir. + srcroot: Absolute path to the source root. + configuration: The build configuration name. + additional_settings: An optional dict with more values to add to the + result. + """ + if not xcode_settings: return {} + + # This function is considered a friend of XcodeSettings, so let it reach into + # its implementation details. + spec = xcode_settings.spec + + # These are filled in on a as-needed basis. + env = { + 'BUILT_FRAMEWORKS_DIR' : built_products_dir, + 'BUILT_PRODUCTS_DIR' : built_products_dir, + 'CONFIGURATION' : configuration, + 'PRODUCT_NAME' : xcode_settings.GetProductName(), + # See /Developer/Platforms/MacOSX.platform/Developer/Library/Xcode/Specifications/MacOSX\ Product\ Types.xcspec for FULL_PRODUCT_NAME + 'SRCROOT' : srcroot, + 'SOURCE_ROOT': '${SRCROOT}', + # This is not true for static libraries, but currently the env is only + # written for bundles: + 'TARGET_BUILD_DIR' : built_products_dir, + 'TEMP_DIR' : '${TMPDIR}', + } + if xcode_settings.GetPerConfigSetting('SDKROOT', configuration): + env['SDKROOT'] = xcode_settings._SdkPath(configuration) + else: + env['SDKROOT'] = '' + + if spec['type'] in ( + 'executable', 'static_library', 'shared_library', 'loadable_module'): + env['EXECUTABLE_NAME'] = xcode_settings.GetExecutableName() + env['EXECUTABLE_PATH'] = xcode_settings.GetExecutablePath() + env['FULL_PRODUCT_NAME'] = xcode_settings.GetFullProductName() + mach_o_type = xcode_settings.GetMachOType() + if mach_o_type: + env['MACH_O_TYPE'] = mach_o_type + env['PRODUCT_TYPE'] = xcode_settings.GetProductType() + if xcode_settings._IsBundle(): + env['CONTENTS_FOLDER_PATH'] = \ + xcode_settings.GetBundleContentsFolderPath() + env['UNLOCALIZED_RESOURCES_FOLDER_PATH'] = \ + xcode_settings.GetBundleResourceFolder() + env['INFOPLIST_PATH'] = xcode_settings.GetBundlePlistPath() + env['WRAPPER_NAME'] = xcode_settings.GetWrapperName() + + install_name = xcode_settings.GetInstallName() + if install_name: + env['LD_DYLIB_INSTALL_NAME'] = install_name + install_name_base = xcode_settings.GetInstallNameBase() + if install_name_base: + env['DYLIB_INSTALL_NAME_BASE'] = install_name_base + if XcodeVersion() >= '0500' and not env.get('SDKROOT'): + sdk_root = xcode_settings._SdkRoot(configuration) + if not sdk_root: + sdk_root = xcode_settings._XcodeSdkPath('') + if sdk_root is None: + sdk_root = '' + env['SDKROOT'] = sdk_root + + if not additional_settings: + additional_settings = {} + else: + # Flatten lists to strings. + for k in additional_settings: + if not isinstance(additional_settings[k], str): + additional_settings[k] = ' '.join(additional_settings[k]) + additional_settings.update(env) + + for k in additional_settings: + additional_settings[k] = _NormalizeEnvVarReferences(additional_settings[k]) + + return additional_settings + + +def _NormalizeEnvVarReferences(str): + """Takes a string containing variable references in the form ${FOO}, $(FOO), + or $FOO, and returns a string with all variable references in the form ${FOO}. + """ + # $FOO -> ${FOO} + str = re.sub(r'\$([a-zA-Z_][a-zA-Z0-9_]*)', r'${\1}', str) + + # $(FOO) -> ${FOO} + matches = re.findall(r'(\$\(([a-zA-Z0-9\-_]+)\))', str) + for match in matches: + to_replace, variable = match + assert '$(' not in match, '$($(FOO)) variables not supported: ' + match + str = str.replace(to_replace, '${' + variable + '}') + + return str + + +def ExpandEnvVars(string, expansions): + """Expands ${VARIABLES}, $(VARIABLES), and $VARIABLES in string per the + expansions list. If the variable expands to something that references + another variable, this variable is expanded as well if it's in env -- + until no variables present in env are left.""" + for k, v in reversed(expansions): + string = string.replace('${' + k + '}', v) + string = string.replace('$(' + k + ')', v) + string = string.replace('$' + k, v) + return string + + +def _TopologicallySortedEnvVarKeys(env): + """Takes a dict |env| whose values are strings that can refer to other keys, + for example env['foo'] = '$(bar) and $(baz)'. Returns a list L of all keys of + env such that key2 is after key1 in L if env[key2] refers to env[key1]. + + Throws an Exception in case of dependency cycles. + """ + # Since environment variables can refer to other variables, the evaluation + # order is important. Below is the logic to compute the dependency graph + # and sort it. + regex = re.compile(r'\$\{([a-zA-Z0-9\-_]+)\}') + def GetEdges(node): + # Use a definition of edges such that user_of_variable -> used_varible. + # This happens to be easier in this case, since a variable's + # definition contains all variables it references in a single string. + # We can then reverse the result of the topological sort at the end. + # Since: reverse(topsort(DAG)) = topsort(reverse_edges(DAG)) + matches = set([v for v in regex.findall(env[node]) if v in env]) + for dependee in matches: + assert '${' not in dependee, 'Nested variables not supported: ' + dependee + return matches + + try: + # Topologically sort, and then reverse, because we used an edge definition + # that's inverted from the expected result of this function (see comment + # above). + order = gyp.common.TopologicallySorted(env.keys(), GetEdges) + order.reverse() + return order + except gyp.common.CycleError, e: + raise GypError( + 'Xcode environment variables are cyclically dependent: ' + str(e.nodes)) + + +def GetSortedXcodeEnv(xcode_settings, built_products_dir, srcroot, + configuration, additional_settings=None): + env = _GetXcodeEnv(xcode_settings, built_products_dir, srcroot, configuration, + additional_settings) + return [(key, env[key]) for key in _TopologicallySortedEnvVarKeys(env)] + + +def GetSpecPostbuildCommands(spec, quiet=False): + """Returns the list of postbuilds explicitly defined on |spec|, in a form + executable by a shell.""" + postbuilds = [] + for postbuild in spec.get('postbuilds', []): + if not quiet: + postbuilds.append('echo POSTBUILD\\(%s\\) %s' % ( + spec['target_name'], postbuild['postbuild_name'])) + postbuilds.append(gyp.common.EncodePOSIXShellList(postbuild['action'])) + return postbuilds + + +def _HasIOSTarget(targets): + """Returns true if any target contains the iOS specific key + IPHONEOS_DEPLOYMENT_TARGET.""" + for target_dict in targets.values(): + for config in target_dict['configurations'].values(): + if config.get('xcode_settings', {}).get('IPHONEOS_DEPLOYMENT_TARGET'): + return True + return False + + +def _AddIOSDeviceConfigurations(targets): + """Clone all targets and append -iphoneos to the name. Configure these targets + to build for iOS devices and use correct architectures for those builds.""" + for target_dict in targets.itervalues(): + toolset = target_dict['toolset'] + configs = target_dict['configurations'] + for config_name, config_dict in dict(configs).iteritems(): + iphoneos_config_dict = copy.deepcopy(config_dict) + configs[config_name + '-iphoneos'] = iphoneos_config_dict + configs[config_name + '-iphonesimulator'] = config_dict + if toolset == 'target': + iphoneos_config_dict['xcode_settings']['SDKROOT'] = 'iphoneos' + return targets + +def CloneConfigurationForDeviceAndEmulator(target_dicts): + """If |target_dicts| contains any iOS targets, automatically create -iphoneos + targets for iOS device builds.""" + if _HasIOSTarget(target_dicts): + return _AddIOSDeviceConfigurations(target_dicts) + return target_dicts |