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-rw-r--r--mesonbuild/dependencies/misc.py208
1 files changed, 207 insertions, 1 deletions
diff --git a/mesonbuild/dependencies/misc.py b/mesonbuild/dependencies/misc.py
index 99df587..f5cbb96 100644
--- a/mesonbuild/dependencies/misc.py
+++ b/mesonbuild/dependencies/misc.py
@@ -16,6 +16,8 @@
import glob
import os
+import re
+import shlex
import stat
import sysconfig
@@ -24,7 +26,7 @@ from .. import mesonlib
from ..environment import detect_cpu_family
from .base import DependencyException, DependencyMethods
-from .base import ExternalDependency, ExtraFrameworkDependency, PkgConfigDependency
+from .base import ExternalDependency, ExternalProgram, ExtraFrameworkDependency, PkgConfigDependency
class BoostDependency(ExternalDependency):
@@ -277,6 +279,210 @@ class BoostDependency(ExternalDependency):
return 'thread' in self.requested_modules
+class MPIDependency(ExternalDependency):
+ def __init__(self, environment, kwargs):
+ language = kwargs.get('language', 'c')
+ super().__init__('mpi', environment, language, kwargs)
+ required = kwargs.pop('required', True)
+ kwargs['required'] = False
+ kwargs['silent'] = True
+ self.is_found = False
+
+ # NOTE: Only OpenMPI supplies a pkg-config file at the moment.
+ if language == 'c':
+ env_vars = ['MPICC']
+ pkgconfig_files = ['ompi-c']
+ default_wrappers = ['mpicc']
+ elif language == 'cpp':
+ env_vars = ['MPICXX']
+ pkgconfig_files = ['ompi-cxx']
+ default_wrappers = ['mpic++', 'mpicxx', 'mpiCC']
+ elif language == 'fortran':
+ env_vars = ['MPIFC', 'MPIF90', 'MPIF77']
+ pkgconfig_files = ['ompi-fort']
+ default_wrappers = ['mpifort', 'mpif90', 'mpif77']
+ else:
+ raise DependencyException('Language {} is not supported with MPI.'.format(language))
+
+ for pkg in pkgconfig_files:
+ try:
+ pkgdep = PkgConfigDependency(pkg, environment, kwargs)
+ 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
+ break
+ except Exception:
+ pass
+
+ if not self.is_found:
+ # Prefer environment.
+ 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:
+ result = self._try_openmpi_wrapper(prog)
+ 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])
+ break
+ result = self._try_other_wrapper(prog)
+ 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])
+ break
+
+ if not self.is_found and mesonlib.is_windows():
+ result = self._try_msmpi()
+ if result is not None:
+ self.is_found = True
+ self.version, self.compile_args, self.link_args = result
+
+ if self.is_found:
+ mlog.log('Dependency', mlog.bold(self.name), 'for', self.language, 'found:', mlog.green('YES'), self.version)
+ else:
+ mlog.log('Dependency', mlog.bold(self.name), 'for', self.language, 'found:', mlog.red('NO'))
+ if required:
+ raise DependencyException('MPI dependency {!r} not found'.format(self.name))
+
+ def _filter_compile_args(self, args):
+ """
+ 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['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):
+ """
+ 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 f.startswith(('-L', '-l', '-Xlinker')) or f == '-pthread' \
+ or (f.startswith('-W') and f != '-Wall' and not f.startswith('-Werror')):
+ result.append(f)
+ if f in ('-L', '-Xlinker'):
+ include_next = True
+ elif include_next:
+ include_next = False
+ result.append(f)
+ return result
+
+ def _try_openmpi_wrapper(self, prog):
+ prog = ExternalProgram(prog, silent=True)
+ if prog.found():
+ cmd = prog.get_command() + ['--showme:compile']
+ p, o, e = mesonlib.Popen_safe(cmd)
+ p.wait()
+ if p.returncode != 0:
+ mlog.debug('Command', mlog.bold(cmd), 'failed to run:')
+ mlog.debug(mlog.bold('Standard output\n'), o)
+ mlog.debug(mlog.bold('Standard error\n'), e)
+ return
+ cargs = shlex.split(o)
+
+ cmd = prog.get_command() + ['--showme:link']
+ p, o, e = mesonlib.Popen_safe(cmd)
+ p.wait()
+ if p.returncode != 0:
+ mlog.debug('Command', mlog.bold(cmd), 'failed to run:')
+ mlog.debug(mlog.bold('Standard output\n'), o)
+ mlog.debug(mlog.bold('Standard error\n'), e)
+ return
+ libs = shlex.split(o)
+
+ cmd = prog.get_command() + ['--showme:version']
+ p, o, e = mesonlib.Popen_safe(cmd)
+ p.wait()
+ if p.returncode != 0:
+ mlog.debug('Command', mlog.bold(cmd), 'failed to run:')
+ mlog.debug(mlog.bold('Standard output\n'), o)
+ mlog.debug(mlog.bold('Standard error\n'), e)
+ return
+ version = re.search('\d+.\d+.\d+', o)
+ if version:
+ version = version.group(0)
+ else:
+ version = 'none'
+
+ return version, cargs, libs
+
+ def _try_other_wrapper(self, prog):
+ prog = ExternalProgram(prog, silent=True)
+ if prog.found():
+ cmd = prog.get_command() + ['-show']
+ p, o, e = mesonlib.Popen_safe(cmd)
+ p.wait()
+ if p.returncode != 0:
+ mlog.debug('Command', mlog.bold(cmd), 'failed to run:')
+ mlog.debug(mlog.bold('Standard output\n'), o)
+ mlog.debug(mlog.bold('Standard error\n'), e)
+ return
+ args = shlex.split(o)
+
+ version = 'none'
+
+ return version, args, args
+
+ def _try_msmpi(self):
+ if self.language == 'cpp':
+ # MS-MPI does not support the C++ version of MPI, only the standard C API.
+ return
+ if 'MSMPI_INC' not in os.environ:
+ return
+ incdir = os.environ['MSMPI_INC']
+ arch = detect_cpu_family(self.env.coredata.compilers)
+ if arch == 'x86':
+ if 'MSMPI_LIB32' not in os.environ:
+ return
+ libdir = os.environ['MSMPI_LIB32']
+ post = 'x86'
+ elif arch == 'x86_64':
+ if 'MSMPI_LIB64' not in os.environ:
+ return
+ libdir = os.environ['MSMPI_LIB64']
+ post = 'x64'
+ else:
+ return
+ 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')])
+
+
class ThreadDependency(ExternalDependency):
def __init__(self, environment, kwargs):
super().__init__('threads', environment, None, {})
generated by cgit v1.1 at 2025-07-31 01:06:15 +0000