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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 DependencyTypeName, ExternalDependency, DependencyException
from ..mesonlib import MesonException, Version, stringlistify
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__(DependencyTypeName('extraframeworks'), env, kwargs, language=language)
self.name = name
# Full path to framework directory
self.framework_path: T.Optional[str] = None
if not self.clib_compiler:
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
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
def log_info(self) -> str:
return self.framework_path or ''
def log_tried(self) -> str:
return 'framework'
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