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-rw-r--r--mesonbuild/dependencies/scalapack.py156
1 files changed, 156 insertions, 0 deletions
diff --git a/mesonbuild/dependencies/scalapack.py b/mesonbuild/dependencies/scalapack.py
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+++ b/mesonbuild/dependencies/scalapack.py
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+# Copyright 2013-2020 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
+
+from pathlib import Path
+import functools
+import os
+import typing as T
+
+from ..mesonlib import OptionKey
+from .base import DependencyMethods
+from .base import DependencyException
+from .cmake import CMakeDependency
+from .pkgconfig import PkgConfigDependency
+from .factory import factory_methods
+
+if T.TYPE_CHECKING:
+ from ..environment import Environment, MachineChoice
+ from .factory import DependencyGenerator
+
+
+@factory_methods({DependencyMethods.PKGCONFIG, DependencyMethods.CMAKE})
+def scalapack_factory(env: 'Environment', for_machine: 'MachineChoice',
+ kwargs: T.Dict[str, T.Any],
+ methods: T.List[DependencyMethods]) -> T.List['DependencyGenerator']:
+ candidates: T.List['DependencyGenerator'] = []
+
+ if DependencyMethods.PKGCONFIG in methods:
+ static_opt = kwargs.get('static', env.coredata.get_option(OptionKey('prefer_static')))
+ mkl = 'mkl-static-lp64-iomp' if static_opt else 'mkl-dynamic-lp64-iomp'
+ candidates.append(functools.partial(
+ MKLPkgConfigDependency, mkl, env, kwargs))
+
+ for pkg in ['scalapack-openmpi', 'scalapack']:
+ candidates.append(functools.partial(
+ PkgConfigDependency, pkg, env, kwargs))
+
+ if DependencyMethods.CMAKE in methods:
+ candidates.append(functools.partial(
+ CMakeDependency, 'Scalapack', env, kwargs))
+
+ return candidates
+
+
+class MKLPkgConfigDependency(PkgConfigDependency):
+
+ """PkgConfigDependency for Intel MKL.
+
+ MKL's pkg-config is pretty much borked in every way. We need to apply a
+ bunch of fixups to make it work correctly.
+ """
+
+ def __init__(self, name: str, env: 'Environment', kwargs: T.Dict[str, T.Any],
+ language: T.Optional[str] = None):
+ _m = os.environ.get('MKLROOT')
+ self.__mklroot = Path(_m).resolve() if _m else None
+
+ # We need to call down into the normal super() method even if we don't
+ # find mklroot, otherwise we won't have all of the instance variables
+ # initialized that meson expects.
+ super().__init__(name, env, kwargs, language=language)
+
+ # Doesn't work with gcc on windows, but does on Linux
+ if (not self.__mklroot or (env.machines[self.for_machine].is_windows()
+ and self.clib_compiler.id == 'gcc')):
+ self.is_found = False
+
+ # This can happen either because we're using GCC, we couldn't find the
+ # mklroot, or the pkg-config couldn't find it.
+ if not self.is_found:
+ return
+
+ assert self.version != '', 'This should not happen if we didn\'t return above'
+
+ if self.version == 'unknown':
+ # At least by 2020 the version is in the pkg-config, just not with
+ # the correct name
+ v = self.get_variable(pkgconfig='Version', default_value='')
+
+ if not v and self.__mklroot:
+ try:
+ v = (
+ self.__mklroot.as_posix()
+ .split('compilers_and_libraries_')[1]
+ .split('/', 1)[0]
+ )
+ except IndexError:
+ pass
+
+ if v:
+ assert isinstance(v, str)
+ self.version = v
+
+ def _set_libs(self) -> None:
+ super()._set_libs()
+
+ if self.env.machines[self.for_machine].is_windows():
+ suffix = '.lib'
+ elif self.static:
+ suffix = '.a'
+ else:
+ suffix = ''
+ libdir = self.__mklroot / 'lib/intel64'
+
+ if self.clib_compiler.id == 'gcc':
+ for i, a in enumerate(self.link_args):
+ # only replace in filename, not in directory names
+ dirname, basename = os.path.split(a)
+ if 'mkl_intel_lp64' in basename:
+ basename = basename.replace('intel', 'gf')
+ self.link_args[i] = '/' + os.path.join(dirname, basename)
+ # MKL pkg-config omits scalapack
+ # be sure "-L" and "-Wl" are first if present
+ i = 0
+ for j, a in enumerate(self.link_args):
+ if a.startswith(('-L', '-Wl')):
+ i = j + 1
+ elif j > 3:
+ break
+ if self.env.machines[self.for_machine].is_windows() or self.static:
+ self.link_args.insert(
+ i, str(libdir / ('mkl_scalapack_lp64' + suffix))
+ )
+ self.link_args.insert(
+ i + 1, str(libdir / ('mkl_blacs_intelmpi_lp64' + suffix))
+ )
+ else:
+ self.link_args.insert(i, '-lmkl_scalapack_lp64')
+ self.link_args.insert(i + 1, '-lmkl_blacs_intelmpi_lp64')
+
+ def _set_cargs(self) -> None:
+ env = None
+ if self.language == 'fortran':
+ # gfortran doesn't appear to look in system paths for INCLUDE files,
+ # so don't allow pkg-config to suppress -I flags for system paths
+ env = os.environ.copy()
+ env['PKG_CONFIG_ALLOW_SYSTEM_CFLAGS'] = '1'
+ ret, out, err = self._call_pkgbin([
+ '--cflags', self.name,
+ '--define-variable=prefix=' + self.__mklroot.as_posix()],
+ env=env)
+ if ret != 0:
+ raise DependencyException('Could not generate cargs for %s:\n%s\n' %
+ (self.name, err))
+ self.compile_args = self._convert_mingw_paths(self._split_args(out))