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-rw-r--r--mesonbuild/dependencies/mpi.py274
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diff --git a/mesonbuild/dependencies/mpi.py b/mesonbuild/dependencies/mpi.py
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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
+from ..environment import detect_cpu_family
+from .base import DependencyException, 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
+ 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))
+
+ # 1. try pkg-config
+ for pkg in pkgconfig_files:
+ try:
+ 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
+ except Exception:
+ pass
+
+ # 2. Try environment variables
+ 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
+
+ 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')])
generated by cgit v1.1 at 2025-07-13 18:48:34 +0000