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# Copyright 2013-2021 The Meson development team
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
# http://www.apache.org/licenses/LICENSE-2.0
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from .base import ExternalDependency, DependencyException, DependencyMethods
from ..mesonlib import MesonException, Version, stringlistify
from ..compilers import CLikeCompiler
from .. import mlog
from pathlib import Path
import typing as T
if T.TYPE_CHECKING:
from ..environment import Environment
class ExtraFrameworkDependency(ExternalDependency):
system_framework_paths: T.Optional[T.List[str]] = None
def __init__(self, name: str, env: 'Environment', kwargs: T.Dict[str, T.Any], language: T.Optional[str] = None) -> None:
paths = stringlistify(kwargs.get('paths', []))
super().__init__('extraframeworks', env, kwargs, language=language)
self.name = name
# Full path to framework directory
self.framework_path: T.Optional[str] = None
if not isinstance(self.clib_compiler, CLikeCompiler):
raise DependencyException('No C-like compilers are available')
if self.system_framework_paths is None:
try:
self.system_framework_paths = self.clib_compiler.find_framework_paths(self.env)
except MesonException as e:
if 'non-clang' in str(e):
# Apple frameworks can only be found (and used) with the
# system compiler. It is not available so bail immediately.
self.is_found = False
return
raise
self.detect(name, paths)
def detect(self, name: str, paths: T.List[str]) -> None:
if not paths:
paths = self.system_framework_paths
for p in paths:
mlog.debug(f'Looking for framework {name} in {p}')
# We need to know the exact framework path because it's used by the
# Qt5 dependency class, and for setting the include path. We also
# want to avoid searching in an invalid framework path which wastes
# time and can cause a false positive.
framework_path = self._get_framework_path(p, name)
if framework_path is None:
continue
# We want to prefer the specified paths (in order) over the system
# paths since these are "extra" frameworks.
# For example, Python2's framework is in /System/Library/Frameworks and
# Python3's framework is in /Library/Frameworks, but both are called
# Python.framework. We need to know for sure that the framework was
# found in the path we expect.
allow_system = p in self.system_framework_paths
assert isinstance(self.clib_compiler, CLikeCompiler)
args = self.clib_compiler.find_framework(name, self.env, [p], allow_system)
if args is None:
continue
self.link_args = args
self.framework_path = framework_path.as_posix()
self.compile_args = ['-F' + self.framework_path]
# We need to also add -I includes to the framework because all
# cross-platform projects such as OpenGL, Python, Qt, GStreamer,
# etc do not use "framework includes":
# https://developer.apple.com/library/archive/documentation/MacOSX/Conceptual/BPFrameworks/Tasks/IncludingFrameworks.html
incdir = self._get_framework_include_path(framework_path)
if incdir:
self.compile_args += ['-I' + incdir]
self.is_found = True
return
def _get_framework_path(self, path: str, name: str) -> T.Optional[Path]:
p = Path(path)
lname = name.lower()
for d in p.glob('*.framework/'):
if lname == d.name.rsplit('.', 1)[0].lower():
return d
return None
def _get_framework_latest_version(self, path: Path) -> str:
versions = []
for each in path.glob('Versions/*'):
# macOS filesystems are usually case-insensitive
if each.name.lower() == 'current':
continue
versions.append(Version(each.name))
if len(versions) == 0:
# most system frameworks do not have a 'Versions' directory
return 'Headers'
return 'Versions/{}/Headers'.format(sorted(versions)[-1]._s)
def _get_framework_include_path(self, path: Path) -> T.Optional[str]:
# According to the spec, 'Headers' must always be a symlink to the
# Headers directory inside the currently-selected version of the
# framework, but sometimes frameworks are broken. Look in 'Versions'
# for the currently-selected version or pick the latest one.
trials = ('Headers', 'Versions/Current/Headers',
self._get_framework_latest_version(path))
for each in trials:
trial = path / each
if trial.is_dir():
return trial.as_posix()
return None
@staticmethod
def get_methods() -> T.List[DependencyMethods]:
return [DependencyMethods.EXTRAFRAMEWORK]
def log_info(self) -> str:
return self.framework_path or ''
def log_tried(self) -> str:
return 'framework'
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