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Diffstat (limited to 'mesonbuild/compilers/mixins/elbrus.py')
-rw-r--r-- | mesonbuild/compilers/mixins/elbrus.py | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/mesonbuild/compilers/mixins/elbrus.py b/mesonbuild/compilers/mixins/elbrus.py new file mode 100644 index 0000000..872649b --- /dev/null +++ b/mesonbuild/compilers/mixins/elbrus.py @@ -0,0 +1,101 @@ +# Copyright 2019 The meson development team +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +from __future__ import annotations + +"""Abstractions for the Elbrus family of compilers.""" + +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 [] + + 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 = [] + 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 = [] + std = options[OptionKey('std', lang=self.language, machine=self.for_machine)] + if std.value != 'none': + args.append('-std=' + std.value) + return args + + def openmp_flags(self) -> T.List[str]: + return ['-fopenmp'] |