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93 lines
3.8 KiB
93 lines
3.8 KiB
# SPDX-License-Identifier: Apache-2.0 |
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# Copyright © 2023 Intel Corporation |
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from __future__ import annotations |
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"""Abstractions for the Elbrus family of compilers.""" |
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import functools |
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import os |
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import typing as T |
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import subprocess |
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import re |
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from .gnu import GnuLikeCompiler |
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from .gnu import gnu_optimization_args |
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from ...mesonlib import Popen_safe, OptionKey |
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if T.TYPE_CHECKING: |
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from ...environment import Environment |
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from ...coredata import KeyedOptionDictType |
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class ElbrusCompiler(GnuLikeCompiler): |
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# Elbrus compiler is nearly like GCC, but does not support |
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# PCH, LTO, sanitizers and color output as of version 1.21.x. |
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id = 'lcc' |
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def __init__(self) -> None: |
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super().__init__() |
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self.base_options = {OptionKey(o) for o in ['b_pgo', 'b_coverage', 'b_ndebug', 'b_staticpic', 'b_lundef', 'b_asneeded']} |
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default_warn_args = ['-Wall'] |
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self.warn_args = {'0': [], |
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'1': default_warn_args, |
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'2': default_warn_args + ['-Wextra'], |
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'3': default_warn_args + ['-Wextra', '-Wpedantic'], |
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'everything': default_warn_args + ['-Wextra', '-Wpedantic']} |
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# FIXME: use _build_wrapper to call this so that linker flags from the env |
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# get applied |
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def get_library_dirs(self, env: 'Environment', elf_class: T.Optional[int] = None) -> T.List[str]: |
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os_env = os.environ.copy() |
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os_env['LC_ALL'] = 'C' |
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stdo = Popen_safe(self.get_exelist(ccache=False) + ['--print-search-dirs'], env=os_env)[1] |
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for line in stdo.split('\n'): |
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if line.startswith('libraries:'): |
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# lcc does not include '=' in --print-search-dirs output. Also it could show nonexistent dirs. |
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libstr = line.split(' ', 1)[1] |
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return [os.path.realpath(p) for p in libstr.split(':') if os.path.exists(p)] |
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return [] |
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def get_program_dirs(self, env: 'Environment') -> T.List[str]: |
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os_env = os.environ.copy() |
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os_env['LC_ALL'] = 'C' |
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stdo = Popen_safe(self.get_exelist(ccache=False) + ['--print-search-dirs'], env=os_env)[1] |
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for line in stdo.split('\n'): |
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if line.startswith('programs:'): |
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# lcc does not include '=' in --print-search-dirs output. |
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libstr = line.split(' ', 1)[1] |
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return [os.path.realpath(p) for p in libstr.split(':')] |
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return [] |
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@functools.lru_cache(maxsize=None) |
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def get_default_include_dirs(self) -> T.List[str]: |
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os_env = os.environ.copy() |
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os_env['LC_ALL'] = 'C' |
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p = subprocess.Popen(self.get_exelist(ccache=False) + ['-xc', '-E', '-v', '-'], env=os_env, stdin=subprocess.DEVNULL, stdout=subprocess.PIPE, stderr=subprocess.PIPE) |
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stderr = p.stderr.read().decode('utf-8', errors='replace') |
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includes: T.List[str] = [] |
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for line in stderr.split('\n'): |
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if line.lstrip().startswith('--sys_include'): |
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includes.append(re.sub(r'\s*\\$', '', re.sub(r'^\s*--sys_include\s*', '', line))) |
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return includes |
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def get_optimization_args(self, optimization_level: str) -> T.List[str]: |
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return gnu_optimization_args[optimization_level] |
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def get_prelink_args(self, prelink_name: str, obj_list: T.List[str]) -> T.List[str]: |
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return ['-r', '-nodefaultlibs', '-nostartfiles', '-o', prelink_name] + obj_list |
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def get_pch_suffix(self) -> str: |
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# Actually it's not supported for now, but probably will be supported in future |
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return 'pch' |
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def get_option_compile_args(self, options: 'KeyedOptionDictType') -> T.List[str]: |
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args: T.List[str] = [] |
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std = options[OptionKey('std', lang=self.language, machine=self.for_machine)] |
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if std.value != 'none': |
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args.append('-std=' + std.value) |
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return args |
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def openmp_flags(self) -> T.List[str]: |
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return ['-fopenmp']
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