# 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. import functools import typing as T import os import re from .base import (DependencyMethods, PkgConfigDependency, factory_methods, ConfigToolDependency, detect_compiler, ExternalDependency) from ..environment import detect_cpu_family if T.TYPE_CHECKING: from .base import Dependency from ..compilers import Compiler from ..environment import Environment, 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[T.Callable[[], 'Dependency']]: language = kwargs.get('language', 'c') if language not in {'c', 'cpp', 'fortran'}: # OpenMPI doesn't work without any other languages return [] candidates = [] # type: T.List[T.Callable[[], Dependency]] compiler = detect_compiler('mpi', env, for_machine, language) 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 class _MPIConfigToolDependency(ConfigToolDependency): def _filter_compile_args(self, args: T.Sequence[str]) -> T.List[str]: """ MPI wrappers return a bunch of garbage args. Drop -O2 and everything that is not needed. """ result = [] multi_args = ('-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.Sequence[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(ExternalDependency): """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'))