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