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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.
from __future__ import annotations
import functools
import typing as T
import os
import re
from ..environment import detect_cpu_family
from .base import DependencyMethods, detect_compiler, SystemDependency
from .configtool import ConfigToolDependency
from .detect import packages
from .factory import factory_methods
from .pkgconfig import PkgConfigDependency
if T.TYPE_CHECKING:
from .factory import DependencyGenerator
from ..environment import Environment
from ..mesonlib import MachineChoice
@factory_methods({DependencyMethods.PKGCONFIG, DependencyMethods.CONFIG_TOOL, DependencyMethods.SYSTEM})
def mpi_factory(env: 'Environment',
for_machine: 'MachineChoice',
kwargs: T.Dict[str, T.Any],
methods: T.List[DependencyMethods]) -> T.List['DependencyGenerator']:
language = kwargs.get('language', 'c')
if language not in {'c', 'cpp', 'fortran'}:
# OpenMPI doesn't work without any other languages
return []
candidates: T.List['DependencyGenerator'] = []
compiler = detect_compiler('mpi', env, for_machine, language)
if not compiler:
return []
compiler_is_intel = compiler.get_id() in {'intel', 'intel-cl'}
# Only OpenMPI has pkg-config, and it doesn't work with the intel compilers
if DependencyMethods.PKGCONFIG in methods and not compiler_is_intel:
pkg_name = None
if language == 'c':
pkg_name = 'ompi-c'
elif language == 'cpp':
pkg_name = 'ompi-cxx'
elif language == 'fortran':
pkg_name = 'ompi-fort'
candidates.append(functools.partial(
PkgConfigDependency, pkg_name, env, kwargs, language=language))
if DependencyMethods.CONFIG_TOOL in methods:
nwargs = kwargs.copy()
if compiler_is_intel:
if env.machines[for_machine].is_windows():
nwargs['version_arg'] = '-v'
nwargs['returncode_value'] = 3
if language == 'c':
tool_names = [os.environ.get('I_MPI_CC'), 'mpiicc']
elif language == 'cpp':
tool_names = [os.environ.get('I_MPI_CXX'), 'mpiicpc']
elif language == 'fortran':
tool_names = [os.environ.get('I_MPI_F90'), 'mpiifort']
cls = IntelMPIConfigToolDependency # type: T.Type[ConfigToolDependency]
else: # OpenMPI, which doesn't work with intel
#
# We try the environment variables for the tools first, but then
# fall back to the hardcoded names
if language == 'c':
tool_names = [os.environ.get('MPICC'), 'mpicc']
elif language == 'cpp':
tool_names = [os.environ.get('MPICXX'), 'mpic++', 'mpicxx', 'mpiCC']
elif language == 'fortran':
tool_names = [os.environ.get(e) for e in ['MPIFC', 'MPIF90', 'MPIF77']]
tool_names.extend(['mpifort', 'mpif90', 'mpif77'])
cls = OpenMPIConfigToolDependency
tool_names = [t for t in tool_names if t] # remove empty environment variables
assert tool_names
nwargs['tools'] = tool_names
candidates.append(functools.partial(
cls, tool_names[0], env, nwargs, language=language))
if DependencyMethods.SYSTEM in methods:
candidates.append(functools.partial(
MSMPIDependency, 'msmpi', env, kwargs, language=language))
return candidates
packages['mpi'] = mpi_factory
class _MPIConfigToolDependency(ConfigToolDependency):
def _filter_compile_args(self, args: T.List[str]) -> T.List[str]:
"""
MPI wrappers return a bunch of garbage args.
Drop -O2 and everything that is not needed.
"""
result = []
multi_args: T.Tuple[str, ...] = ('-I', )
if self.language == 'fortran':
fc = self.env.coredata.compilers[self.for_machine]['fortran']
multi_args += fc.get_module_incdir_args()
include_next = False
for f in args:
if f.startswith(('-D', '-f') + multi_args) or f == '-pthread' \
or (f.startswith('-W') and f != '-Wall' and not f.startswith('-Werror')):
result.append(f)
if f in multi_args:
# Path is a separate argument.
include_next = True
elif include_next:
include_next = False
result.append(f)
return result
def _filter_link_args(self, args: T.List[str]) -> T.List[str]:
"""
MPI wrappers return a bunch of garbage args.
Drop -O2 and everything that is not needed.
"""
result = []
include_next = False
for f in args:
if self._is_link_arg(f):
result.append(f)
if f in {'-L', '-Xlinker'}:
include_next = True
elif include_next:
include_next = False
result.append(f)
return result
def _is_link_arg(self, f: str) -> bool:
if self.clib_compiler.id == 'intel-cl':
return f == '/link' or f.startswith('/LIBPATH') or f.endswith('.lib') # always .lib whether static or dynamic
else:
return (f.startswith(('-L', '-l', '-Xlinker')) or
f == '-pthread' or
(f.startswith('-W') and f != '-Wall' and not f.startswith('-Werror')))
class IntelMPIConfigToolDependency(_MPIConfigToolDependency):
"""Wrapper around Intel's mpiicc and friends."""
version_arg = '-v' # --version is not the same as -v
def __init__(self, name: str, env: 'Environment', kwargs: T.Dict[str, T.Any],
language: T.Optional[str] = None):
super().__init__(name, env, kwargs, language=language)
if not self.is_found:
return
args = self.get_config_value(['-show'], 'link and compile args')
self.compile_args = self._filter_compile_args(args)
self.link_args = self._filter_link_args(args)
def _sanitize_version(self, out: str) -> str:
v = re.search(r'(\d{4}) Update (\d)', out)
if v:
return '{}.{}'.format(v.group(1), v.group(2))
return out
class OpenMPIConfigToolDependency(_MPIConfigToolDependency):
"""Wrapper around OpenMPI mpicc and friends."""
version_arg = '--showme:version'
def __init__(self, name: str, env: 'Environment', kwargs: T.Dict[str, T.Any],
language: T.Optional[str] = None):
super().__init__(name, env, kwargs, language=language)
if not self.is_found:
return
c_args = self.get_config_value(['--showme:compile'], 'compile_args')
self.compile_args = self._filter_compile_args(c_args)
l_args = self.get_config_value(['--showme:link'], 'link_args')
self.link_args = self._filter_link_args(l_args)
def _sanitize_version(self, out: str) -> str:
v = re.search(r'\d+.\d+.\d+', out)
if v:
return v.group(0)
return out
class MSMPIDependency(SystemDependency):
"""The Microsoft MPI."""
def __init__(self, name: str, env: 'Environment', kwargs: T.Dict[str, T.Any],
language: T.Optional[str] = None):
super().__init__(name, env, kwargs, language=language)
# MSMPI only supports the C API
if language not in {'c', 'fortran', None}:
self.is_found = False
return
# MSMPI is only for windows, obviously
if not self.env.machines[self.for_machine].is_windows():
return
incdir = os.environ.get('MSMPI_INC')
arch = detect_cpu_family(self.env.coredata.compilers.host)
libdir = None
if arch == 'x86':
libdir = os.environ.get('MSMPI_LIB32')
post = 'x86'
elif arch == 'x86_64':
libdir = os.environ.get('MSMPI_LIB64')
post = 'x64'
if libdir is None or incdir is None:
self.is_found = False
return
self.is_found = True
self.link_args = ['-l' + os.path.join(libdir, 'msmpi')]
self.compile_args = ['-I' + incdir, '-I' + os.path.join(incdir, post)]
if self.language == 'fortran':
self.link_args.append('-l' + os.path.join(libdir, 'msmpifec'))
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