67 lines
2.2 KiB
Python
67 lines
2.2 KiB
Python
# Copyright Spack Project Developers. See COPYRIGHT file for details.
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#
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# SPDX-License-Identifier: (Apache-2.0 OR MIT)
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import re
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import spack.compiler
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from spack.package import *
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class Msvc(Package, CompilerPackage):
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"""
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Microsoft Visual C++ is a compiler for the C, C++, C++/CLI and C++/CX programming languages.
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"""
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homepage = "https://visualstudio.microsoft.com/vs/features/cplusplus/"
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def install(self, spec, prefix):
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raise InstallError(
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"MSVC compilers are not installable with Spack, but can be "
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"detected on a system where they are externally installed"
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)
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compiler_languages = ["c", "cxx"]
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c_names = ["cl"]
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cxx_names = ["cl"]
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compiler_version_argument = ""
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compiler_version_regex = r"([1-9][0-9]*\.[0-9]*\.[0-9]*)"
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@classmethod
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def determine_version(cls, exe):
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# MSVC compiler does not have a proper version argument
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# Errors out and prints version info with no args
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match = re.search(
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cls.compiler_version_regex,
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spack.compiler.get_compiler_version_output(exe, version_arg=None, ignore_errors=True),
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)
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if match:
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return match.group(1)
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@classmethod
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def determine_variants(cls, exes, version_str):
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# MSVC uses same executable for both languages
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spec, extras = super().determine_variants(exes, version_str)
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extras["compilers"]["c"] = extras["compilers"]["cxx"]
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return spec, extras
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@property
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def cc(self):
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if self.spec.external:
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return self.spec.extra_attributes["compilers"]["c"]
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msg = "cannot retrieve C compiler [spec is not concrete]"
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assert self.spec.concrete, msg
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@property
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def cxx(self):
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if self.spec.external:
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return self.spec.extra_attributes["compilers"]["cxx"]
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msg = "cannot retrieve C++ compiler [spec is not concrete]"
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assert self.spec.concrete, msg
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@property
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def fortran(self):
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if self.spec.external:
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return self.spec.extra_attributes["compilers"]["fortran"]
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msg = "cannot retrieve Fortran compiler [spec is not concrete]"
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assert self.spec.concrete, msg
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