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71 lines
3.0 KiB
71 lines
3.0 KiB
5 years ago
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# Copyright 2013-2019 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 .base import CMakeDependency, ExternalDependency, PkgConfigDependency
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class CoarrayDependency(ExternalDependency):
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"""
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Coarrays are a Fortran 2008 feature.
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Coarrays are sometimes implemented via external library (GCC+OpenCoarrays),
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while other compilers just build in support (Cray, IBM, Intel, NAG).
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Coarrays may be thought of as a high-level language abstraction of
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low-level MPI calls.
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"""
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def __init__(self, environment, kwargs: dict):
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super().__init__('coarray', environment, 'fortran', kwargs)
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kwargs['required'] = False
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kwargs['silent'] = True
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self.is_found = False
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cid = self.get_compiler().get_id()
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if cid == 'gcc':
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""" OpenCoarrays is the most commonly used method for Fortran Coarray with GCC """
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# first try pkg-config
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for pkg in ['caf-openmpi', 'caf']:
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pkgdep = PkgConfigDependency(pkg, environment, kwargs, language=self.language)
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if pkgdep.found():
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self.compile_args = pkgdep.get_compile_args()
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self.link_args = pkgdep.get_link_args()
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self.version = pkgdep.get_version()
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self.is_found = True
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self.pcdep = pkgdep
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return
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# second try CMake
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kwargs['modules'] = 'OpenCoarrays::caf_mpi'
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cmakedep = CMakeDependency('OpenCoarrays', environment, kwargs)
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if cmakedep.found():
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self.compile_args = cmakedep.get_compile_args()
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self.link_args = cmakedep.get_link_args()
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self.version = cmakedep.get_version()
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self.is_found = True
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return
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# give up, just run as single image fallback
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self.compile_args = ['-fcoarray=single']
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self.version = 'single image'
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self.is_found = True
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elif cid == 'intel':
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""" Coarrays are built into Intel compilers, no external library needed """
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self.is_found = True
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self.link_args = ['-coarray=shared']
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self.compile_args = self.link_args
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elif cid == 'intel-cl':
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""" Coarrays are built into Intel compilers, no external library needed """
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self.is_found = True
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self.compile_args = ['/Qcoarray:shared']
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elif cid == 'nagfor':
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""" NAG doesn't require any special arguments for Coarray """
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self.is_found = True
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