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61 lines
2.2 KiB
61 lines
2.2 KiB
# SPDX-License-Identifier: Apache-2.0 |
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# Copyright © 2024 Intel Corporation |
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"""Provides mixins for Apple compilers.""" |
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from __future__ import annotations |
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import typing as T |
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from ...mesonlib import MesonException |
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if T.TYPE_CHECKING: |
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from ..._typing import ImmutableListProtocol |
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from ...environment import Environment |
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from ..compilers import Compiler |
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else: |
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# This is a bit clever, for mypy we pretend that these mixins descend from |
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# Compiler, so we get all of the methods and attributes defined for us, but |
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# for runtime we make them descend from object (which all classes normally |
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# do). This gives up DRYer type checking, with no runtime impact |
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Compiler = object |
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class AppleCompilerMixin(Compiler): |
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"""Handle differences between Vanilla Clang and the Clang shipped with XCode.""" |
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__BASE_OMP_FLAGS: ImmutableListProtocol[str] = ['-Xpreprocessor', '-fopenmp'] |
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def openmp_flags(self, env: Environment) -> T.List[str]: |
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"""Flags required to compile with OpenMP on Apple. |
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The Apple Clang Compiler doesn't have builtin support for OpenMP, it |
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must be provided separately. As such, we need to add the -Xpreprocessor |
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argument so that an external OpenMP can be found. |
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:return: A list of arguments |
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""" |
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m = env.machines[self.for_machine] |
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assert m is not None, 'for mypy' |
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if m.cpu_family.startswith('x86'): |
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root = '/usr/local' |
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else: |
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root = '/opt/homebrew' |
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return self.__BASE_OMP_FLAGS + [f'-I{root}/opt/libomp/include'] |
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def openmp_link_flags(self, env: Environment) -> T.List[str]: |
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m = env.machines[self.for_machine] |
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assert m is not None, 'for mypy' |
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if m.cpu_family.startswith('x86'): |
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root = '/usr/local' |
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else: |
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root = '/opt/homebrew' |
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link = self.find_library('omp', env, [f'{root}/opt/libomp/lib']) |
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if not link: |
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raise MesonException("Couldn't find libomp") |
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return self.__BASE_OMP_FLAGS + link |
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def get_prelink_args(self, prelink_name: str, obj_list: T.List[str]) -> T.List[str]: |
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# The objects are prelinked through the compiler, which injects -lSystem |
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return ['-nostdlib', '-r', '-o', prelink_name] + obj_list
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