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# Copyright 2013-2019 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.
# This file contains the detection logic for miscellaneous external dependencies.
from __future__ import annotations
import functools
import os
import re
import subprocess
from pathlib import Path
from ..mesonlib import Popen_safe, OrderedSet, join_args
from ..programs import ExternalProgram
from .base import DependencyException, DependencyMethods
from .configtool import ConfigToolDependency
from .pkgconfig import PkgConfigDependency
from .factory import factory_methods
import typing as T
if T.TYPE_CHECKING:
from .factory import DependencyGenerator
from ..environment import Environment
from ..mesonlib import MachineChoice
class HDF5PkgConfigDependency(PkgConfigDependency):
"""Handle brokenness in the HDF5 pkg-config files."""
def __init__(self, name: str, environment: 'Environment', kwargs: T.Dict[str, T.Any], language: T.Optional[str] = None) -> None:
language = language or 'c'
if language not in {'c', 'cpp', 'fortran'}:
raise DependencyException(f'Language {language} is not supported with HDF5.')
super().__init__(name, environment, kwargs, language)
if not self.is_found:
return
# some broken pkgconfig don't actually list the full path to the needed includes
newinc = [] # type: T.List[str]
for arg in self.compile_args:
if arg.startswith('-I'):
stem = 'static' if self.static else 'shared'
if (Path(arg[2:]) / stem).is_dir():
newinc.append('-I' + str(Path(arg[2:]) / stem))
self.compile_args += newinc
link_args = [] # type: T.List[str]
for larg in self.get_link_args():
lpath = Path(larg)
# some pkg-config hdf5.pc (e.g. Ubuntu) don't include the commonly-used HL HDF5 libraries,
# so let's add them if they exist
# additionally, some pkgconfig HDF5 HL files are malformed so let's be sure to find HL anyway
if lpath.is_file():
hl = []
if language == 'cpp':
hl += ['_hl_cpp', '_cpp']
elif language == 'fortran':
hl += ['_hl_fortran', 'hl_fortran', '_fortran']
hl += ['_hl'] # C HL library, always needed
suffix = '.' + lpath.name.split('.', 1)[1] # in case of .dll.a
for h in hl:
hlfn = lpath.parent / (lpath.name.split('.', 1)[0] + h + suffix)
if hlfn.is_file():
link_args.append(str(hlfn))
# HDF5 C libs are required by other HDF5 languages
link_args.append(larg)
else:
link_args.append(larg)
self.link_args = link_args
class HDF5ConfigToolDependency(ConfigToolDependency):
"""Wrapper around hdf5 binary config tools."""
version_arg = '-showconfig'
def __init__(self, name: str, environment: 'Environment', kwargs: T.Dict[str, T.Any], language: T.Optional[str] = None) -> None:
language = language or 'c'
if language not in {'c', 'cpp', 'fortran'}:
raise DependencyException(f'Language {language} is not supported with HDF5.')
if language == 'c':
cenv = 'CC'
tools = ['h5cc', 'h5pcc']
elif language == 'cpp':
cenv = 'CXX'
tools = ['h5c++', 'h5pc++']
elif language == 'fortran':
cenv = 'FC'
tools = ['h5fc', 'h5pfc']
else:
raise DependencyException('How did you get here?')
# We need this before we call super()
for_machine = self.get_for_machine_from_kwargs(kwargs)
nkwargs = kwargs.copy()
nkwargs['tools'] = tools
# Override the compiler that the config tools are going to use by
# setting the environment variables that they use for the compiler and
# linkers.
compiler = environment.coredata.compilers[for_machine][language]
try:
os.environ[f'HDF5_{cenv}'] = join_args(compiler.get_exelist())
os.environ[f'HDF5_{cenv}LINKER'] = join_args(compiler.get_linker_exelist())
super().__init__(name, environment, nkwargs, language)
finally:
del os.environ[f'HDF5_{cenv}']
del os.environ[f'HDF5_{cenv}LINKER']
if not self.is_found:
return
# We first need to call the tool with -c to get the compile arguments
# and then without -c to get the link arguments.
args = self.get_config_value(['-show', '-c'], 'args')[1:]
args += self.get_config_value(['-show', '-noshlib' if self.static else '-shlib'], 'args')[1:]
for arg in args:
if arg.startswith(('-I', '-f', '-D')) or arg == '-pthread':
self.compile_args.append(arg)
elif arg.startswith(('-L', '-l', '-Wl')):
self.link_args.append(arg)
elif Path(arg).is_file():
self.link_args.append(arg)
# If the language is not C we need to add C as a subdependency
if language != 'c':
nkwargs = kwargs.copy()
nkwargs['language'] = 'c'
# I'm being too clever for mypy and pylint
self.is_found = self._add_sub_dependency(hdf5_factory(environment, for_machine, nkwargs)) # pylint: disable=no-value-for-parameter
def _sanitize_version(self, ver: str) -> str:
v = re.search(r'\s*HDF5 Version: (\d+\.\d+\.\d+)', ver)
return v.group(1)
@factory_methods({DependencyMethods.PKGCONFIG, DependencyMethods.CONFIG_TOOL})
def hdf5_factory(env: 'Environment', for_machine: 'MachineChoice',
kwargs: T.Dict[str, T.Any], methods: T.List[DependencyMethods]) -> T.List['DependencyGenerator']:
language = kwargs.get('language')
candidates: T.List['DependencyGenerator'] = []
if DependencyMethods.PKGCONFIG in methods:
# Use an ordered set so that these remain the first tried pkg-config files
pkgconfig_files = OrderedSet(['hdf5', 'hdf5-serial'])
PCEXE = PkgConfigDependency._detect_pkgbin(False, env, for_machine)
pcenv = PkgConfigDependency.setup_env(os.environ, env, for_machine)
if PCEXE:
assert isinstance(PCEXE, ExternalProgram)
# some distros put hdf5-1.2.3.pc with version number in .pc filename.
ret, stdout, _ = Popen_safe(PCEXE.get_command() + ['--list-all'], stderr=subprocess.DEVNULL, env=pcenv)
if ret.returncode == 0:
for pkg in stdout.split('\n'):
if pkg.startswith('hdf5'):
pkgconfig_files.add(pkg.split(' ', 1)[0])
for pkg in pkgconfig_files:
candidates.append(functools.partial(HDF5PkgConfigDependency, pkg, env, kwargs, language))
if DependencyMethods.CONFIG_TOOL in methods:
candidates.append(functools.partial(HDF5ConfigToolDependency, 'hdf5', env, kwargs, language))
return candidates
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