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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.
import typing
import os
import re
import subprocess
from .. import mlog
from .. import mesonlib
from ..mesonlib import split_args, listify
from ..environment import detect_cpu_family
from .base import (DependencyException, DependencyMethods, ExternalDependency, ExternalProgram,
PkgConfigDependency)
class MPIDependency(ExternalDependency):
def __init__(self, environment, kwargs: dict):
language = kwargs.get('language', 'c')
super().__init__('mpi', environment, language, kwargs)
kwargs['required'] = False
kwargs['silent'] = True
self.is_found = False
methods = listify(self.methods)
env_vars = []
default_wrappers = []
pkgconfig_files = []
if language == 'c':
cid = environment.detect_c_compiler(self.for_machine).get_id()
if cid in ('intel', 'intel-cl'):
env_vars.append('I_MPI_CC')
# IntelMPI doesn't have .pc files
default_wrappers.append('mpiicc')
else:
env_vars.append('MPICC')
pkgconfig_files.append('ompi-c')
default_wrappers.append('mpicc')
elif language == 'cpp':
cid = environment.detect_cpp_compiler(self.for_machine).get_id()
if cid in ('intel', 'intel-cl'):
env_vars.append('I_MPI_CXX')
# IntelMPI doesn't have .pc files
default_wrappers.append('mpiicpc')
else:
env_vars.append('MPICXX')
pkgconfig_files.append('ompi-cxx')
default_wrappers += ['mpic++', 'mpicxx', 'mpiCC'] # these are not for intelmpi
elif language == 'fortran':
cid = environment.detect_fortran_compiler(self.for_machine).get_id()
if cid in ('intel', 'intel-cl'):
env_vars.append('I_MPI_F90')
# IntelMPI doesn't have .pc files
default_wrappers.append('mpiifort')
else:
env_vars += ['MPIFC', 'MPIF90', 'MPIF77']
pkgconfig_files.append('ompi-fort')
default_wrappers += ['mpifort', 'mpif90', 'mpif77']
else:
raise DependencyException('Language {} is not supported with MPI.'.format(language))
if set([DependencyMethods.AUTO, DependencyMethods.PKGCONFIG]).intersection(methods):
for pkg in pkgconfig_files:
pkgdep = PkgConfigDependency(pkg, environment, kwargs, language=self.language)
if pkgdep.found():
self.compile_args = pkgdep.get_compile_args()
self.link_args = pkgdep.get_link_args()
self.version = pkgdep.get_version()
self.is_found = True
self.pcdep = pkgdep
return
if DependencyMethods.AUTO in methods:
for var in env_vars:
if var in os.environ:
wrappers = [os.environ[var]]
break
else:
# Or search for default wrappers.
wrappers = default_wrappers
for prog in wrappers:
# Note: Some use OpenMPI with Intel compilers on Linux
result = self._try_openmpi_wrapper(prog, cid)
if result is not None:
self.is_found = True
self.version = result[0]
self.compile_args = self._filter_compile_args(result[1])
self.link_args = self._filter_link_args(result[2], cid)
break
result = self._try_other_wrapper(prog, cid)
if result is not None:
self.is_found = True
self.version = result[0]
self.compile_args = self._filter_compile_args(result[1])
self.link_args = self._filter_link_args(result[2], cid)
break
if not self.is_found and mesonlib.is_windows():
# only Intel Fortran compiler is compatible with Microsoft MPI at this time.
if language == 'fortran' and cid != 'intel-cl':
return
result = self._try_msmpi()
if result is not None:
self.is_found = True
self.version, self.compile_args, self.link_args = result
return
def _filter_compile_args(self, args: typing.Sequence[str]) -> typing.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: typing.Sequence[str], cid: str) -> typing.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, cid):
result.append(f)
if f in ('-L', '-Xlinker'):
include_next = True
elif include_next:
include_next = False
result.append(f)
return result
@staticmethod
def _is_link_arg(f: str, cid: str) -> bool:
if cid == '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')))
def _try_openmpi_wrapper(self, prog, cid: str):
# https://www.open-mpi.org/doc/v4.0/man1/mpifort.1.php
if cid == 'intel-cl': # IntelCl doesn't support OpenMPI
return None
prog = ExternalProgram(prog, silent=True)
if not prog.found():
return None
# compiler args
cmd = prog.get_command() + ['--showme:compile']
p = subprocess.run(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE, universal_newlines=True, timeout=15)
if p.returncode != 0:
mlog.debug('Command', mlog.bold(cmd), 'failed to run:')
mlog.debug(mlog.bold('Standard output\n'), p.stdout)
mlog.debug(mlog.bold('Standard error\n'), p.stderr)
return None
cargs = split_args(p.stdout)
# link args
cmd = prog.get_command() + ['--showme:link']
p = subprocess.run(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE, universal_newlines=True, timeout=15)
if p.returncode != 0:
mlog.debug('Command', mlog.bold(cmd), 'failed to run:')
mlog.debug(mlog.bold('Standard output\n'), p.stdout)
mlog.debug(mlog.bold('Standard error\n'), p.stderr)
return None
libs = split_args(p.stdout)
# version
cmd = prog.get_command() + ['--showme:version']
p = subprocess.run(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE, universal_newlines=True, timeout=15)
if p.returncode != 0:
mlog.debug('Command', mlog.bold(cmd), 'failed to run:')
mlog.debug(mlog.bold('Standard output\n'), p.stdout)
mlog.debug(mlog.bold('Standard error\n'), p.stderr)
return None
v = re.search(r'\d+.\d+.\d+', p.stdout)
if v:
version = v.group(0)
else:
version = None
return version, cargs, libs
def _try_other_wrapper(self, prog, cid: str) -> typing.Tuple[str, typing.List[str], typing.List[str]]:
prog = ExternalProgram(prog, silent=True)
if not prog.found():
return None
cmd = prog.get_command()
if cid == 'intel-cl':
cmd.append('/show')
else:
cmd.append('-show')
p = subprocess.run(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE, universal_newlines=True, timeout=15)
if p.returncode != 0:
mlog.debug('Command', mlog.bold(cmd), 'failed to run:')
mlog.debug(mlog.bold('Standard output\n'), p.stdout)
mlog.debug(mlog.bold('Standard error\n'), p.stderr)
return None
version = None
stdout = p.stdout
if 'Intel(R) MPI Library' in p.stdout: # intel-cl: remove messy compiler logo
out = stdout.split('\n', 2)
version = out[0]
stdout = out[2]
if version is None:
p = subprocess.run(cmd + ['-v'], stdout=subprocess.PIPE, stderr=subprocess.PIPE, universal_newlines=True, timeout=15)
if p.returncode == 0:
version = p.stdout.split('\n', 1)[0]
args = split_args(stdout)
return version, args, args
def _try_msmpi(self) -> typing.Tuple[str, typing.List[str], typing.List[str]]:
if self.language == 'cpp':
# MS-MPI does not support the C++ version of MPI, only the standard C API.
return None
if 'MSMPI_INC' not in os.environ:
return None
incdir = os.environ['MSMPI_INC']
arch = detect_cpu_family(self.env.coredata.compilers.host)
if arch == 'x86':
if 'MSMPI_LIB32' not in os.environ:
return None
libdir = os.environ['MSMPI_LIB32']
post = 'x86'
elif arch == 'x86_64':
if 'MSMPI_LIB64' not in os.environ:
return None
libdir = os.environ['MSMPI_LIB64']
post = 'x64'
else:
return None
if self.language == 'fortran':
return (None,
['-I' + incdir, '-I' + os.path.join(incdir, post)],
[os.path.join(libdir, 'msmpi.lib'), os.path.join(libdir, 'msmpifec.lib')])
else:
return (None,
['-I' + incdir, '-I' + os.path.join(incdir, post)],
[os.path.join(libdir, 'msmpi.lib')])
@staticmethod
def get_methods():
return [DependencyMethods.AUTO, DependencyMethods.PKGCONFIG]