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# Copyright 2013-2020 The Meson development team
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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# http://www.apache.org/licenses/LICENSE-2.0
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from __future__ import annotations
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from pathlib import Path
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import functools
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import os
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import typing as T
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from ..mesonlib import OptionKey
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from .base import DependencyMethods
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from .cmake import CMakeDependency
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from .detect import packages
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from .pkgconfig import PkgConfigDependency
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from .factory import factory_methods
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if T.TYPE_CHECKING:
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from ..environment import Environment
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from ..mesonlib import MachineChoice
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from .factory import DependencyGenerator
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@factory_methods({DependencyMethods.PKGCONFIG, DependencyMethods.CMAKE})
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def scalapack_factory(env: 'Environment', for_machine: 'MachineChoice',
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kwargs: T.Dict[str, T.Any],
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methods: T.List[DependencyMethods]) -> T.List['DependencyGenerator']:
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candidates: T.List['DependencyGenerator'] = []
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if DependencyMethods.PKGCONFIG in methods:
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static_opt = kwargs.get('static', env.coredata.get_option(OptionKey('prefer_static')))
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mkl = 'mkl-static-lp64-iomp' if static_opt else 'mkl-dynamic-lp64-iomp'
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candidates.append(functools.partial(
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MKLPkgConfigDependency, mkl, env, kwargs))
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for pkg in ['scalapack-openmpi', 'scalapack']:
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candidates.append(functools.partial(
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PkgConfigDependency, pkg, env, kwargs))
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if DependencyMethods.CMAKE in methods:
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candidates.append(functools.partial(
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CMakeDependency, 'Scalapack', env, kwargs))
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return candidates
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packages['scalapack'] = scalapack_factory
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class MKLPkgConfigDependency(PkgConfigDependency):
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"""PkgConfigDependency for Intel MKL.
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MKL's pkg-config is pretty much borked in every way. We need to apply a
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bunch of fixups to make it work correctly.
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"""
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def __init__(self, name: str, env: 'Environment', kwargs: T.Dict[str, T.Any],
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language: T.Optional[str] = None):
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_m = os.environ.get('MKLROOT')
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self.__mklroot = Path(_m).resolve() if _m else None
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# We need to call down into the normal super() method even if we don't
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# find mklroot, otherwise we won't have all of the instance variables
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# initialized that meson expects.
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super().__init__(name, env, kwargs, language=language)
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# Doesn't work with gcc on windows, but does on Linux
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if (not self.__mklroot or (env.machines[self.for_machine].is_windows()
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and self.clib_compiler.id == 'gcc')):
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self.is_found = False
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# This can happen either because we're using GCC, we couldn't find the
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# mklroot, or the pkg-config couldn't find it.
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if not self.is_found:
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return
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assert self.version != '', 'This should not happen if we didn\'t return above'
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if self.version == 'unknown':
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# At least by 2020 the version is in the pkg-config, just not with
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# the correct name
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v = self.get_variable(pkgconfig='Version', default_value='')
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if not v and self.__mklroot:
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try:
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v = (
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self.__mklroot.as_posix()
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.split('compilers_and_libraries_')[1]
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.split('/', 1)[0]
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)
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except IndexError:
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pass
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if v:
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assert isinstance(v, str)
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self.version = v
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def _set_libs(self) -> None:
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super()._set_libs()
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if self.env.machines[self.for_machine].is_windows():
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suffix = '.lib'
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elif self.static:
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suffix = '.a'
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else:
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suffix = ''
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libdir = self.__mklroot / 'lib/intel64'
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if self.clib_compiler.id == 'gcc':
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for i, a in enumerate(self.link_args):
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# only replace in filename, not in directory names
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dirname, basename = os.path.split(a)
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if 'mkl_intel_lp64' in basename:
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basename = basename.replace('intel', 'gf')
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self.link_args[i] = '/' + os.path.join(dirname, basename)
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# MKL pkg-config omits scalapack
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# be sure "-L" and "-Wl" are first if present
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i = 0
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for j, a in enumerate(self.link_args):
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if a.startswith(('-L', '-Wl')):
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i = j + 1
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elif j > 3:
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break
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if self.env.machines[self.for_machine].is_windows() or self.static:
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self.link_args.insert(
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i, str(libdir / ('mkl_scalapack_lp64' + suffix))
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)
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self.link_args.insert(
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i + 1, str(libdir / ('mkl_blacs_intelmpi_lp64' + suffix))
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)
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else:
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self.link_args.insert(i, '-lmkl_scalapack_lp64')
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self.link_args.insert(i + 1, '-lmkl_blacs_intelmpi_lp64')
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def _set_cargs(self) -> None:
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allow_system = False
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if self.language == 'fortran':
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# gfortran doesn't appear to look in system paths for INCLUDE files,
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# so don't allow pkg-config to suppress -I flags for system paths
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allow_system = True
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cflags = self.pkgconfig.cflags(self.name, allow_system, define_variable=['prefix', self.__mklroot.as_posix()])
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self.compile_args = self._convert_mingw_paths(cflags)
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