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# 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']
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