spack/var/spack/repos/builtin/packages/msvc/package.py
2025-01-02 15:40:28 +01:00

67 lines
2.2 KiB
Python

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