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230 lines
9.0 KiB
230 lines
9.0 KiB
# Copyright 2012-2022 The Meson development team |
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# Licensed under the Apache License, Version 2.0 (the "License"); |
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# you may not use this file except in compliance with the License. |
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# You may obtain a copy of the License at |
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# http://www.apache.org/licenses/LICENSE-2.0 |
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# Unless required by applicable law or agreed to in writing, software |
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# distributed under the License is distributed on an "AS IS" BASIS, |
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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# See the License for the specific language governing permissions and |
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# limitations under the License. |
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from __future__ import annotations |
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import subprocess, os.path |
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import textwrap |
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import re |
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import typing as T |
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from .. import coredata, mlog |
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from ..mesonlib import EnvironmentException, MesonException, Popen_safe, OptionKey, join_args |
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from .compilers import Compiler, rust_buildtype_args, clike_debug_args |
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if T.TYPE_CHECKING: |
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from ..coredata import MutableKeyedOptionDictType, KeyedOptionDictType |
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from ..envconfig import MachineInfo |
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from ..environment import Environment # noqa: F401 |
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from ..linkers import DynamicLinker |
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from ..mesonlib import MachineChoice |
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from ..programs import ExternalProgram |
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from ..dependencies import Dependency |
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rust_optimization_args = { |
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'plain': [], |
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'0': [], |
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'g': ['-C', 'opt-level=0'], |
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'1': ['-C', 'opt-level=1'], |
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'2': ['-C', 'opt-level=2'], |
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'3': ['-C', 'opt-level=3'], |
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's': ['-C', 'opt-level=s'], |
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} # type: T.Dict[str, T.List[str]] |
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class RustCompiler(Compiler): |
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# rustc doesn't invoke the compiler itself, it doesn't need a LINKER_PREFIX |
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language = 'rust' |
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id = 'rustc' |
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_WARNING_LEVELS: T.Dict[str, T.List[str]] = { |
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'0': ['-A', 'warnings'], |
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'1': [], |
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'2': [], |
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'3': ['-W', 'warnings'], |
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} |
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def __init__(self, exelist: T.List[str], version: str, for_machine: MachineChoice, |
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is_cross: bool, info: 'MachineInfo', |
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exe_wrapper: T.Optional['ExternalProgram'] = None, |
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full_version: T.Optional[str] = None, |
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linker: T.Optional['DynamicLinker'] = None): |
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super().__init__([], exelist, version, for_machine, info, |
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is_cross=is_cross, full_version=full_version, |
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linker=linker) |
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self.exe_wrapper = exe_wrapper |
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self.base_options.update({OptionKey(o) for o in ['b_colorout', 'b_ndebug']}) |
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if 'link' in self.linker.id: |
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self.base_options.add(OptionKey('b_vscrt')) |
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self.native_static_libs: T.List[str] = [] |
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def needs_static_linker(self) -> bool: |
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return False |
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def sanity_check(self, work_dir: str, environment: 'Environment') -> None: |
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source_name = os.path.join(work_dir, 'sanity.rs') |
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output_name = os.path.join(work_dir, 'rusttest') |
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with open(source_name, 'w', encoding='utf-8') as ofile: |
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ofile.write(textwrap.dedent( |
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'''fn main() { |
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} |
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''')) |
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cmdlist = self.exelist + ['-o', output_name, source_name] |
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pc, stdo, stde = Popen_safe(cmdlist, cwd=work_dir) |
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mlog.debug('Sanity check compiler command line:', join_args(cmdlist)) |
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mlog.debug('Sanity check compile stdout:') |
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mlog.debug(stdo) |
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mlog.debug('-----\nSanity check compile stderr:') |
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mlog.debug(stde) |
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mlog.debug('-----') |
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if pc.returncode != 0: |
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raise EnvironmentException(f'Rust compiler {self.name_string()} cannot compile programs.') |
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if self.is_cross: |
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if self.exe_wrapper is None: |
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# Can't check if the binaries run so we have to assume they do |
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return |
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cmdlist = self.exe_wrapper.get_command() + [output_name] |
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else: |
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cmdlist = [output_name] |
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pe = subprocess.Popen(cmdlist, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL) |
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pe.wait() |
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if pe.returncode != 0: |
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raise EnvironmentException(f'Executables created by Rust compiler {self.name_string()} are not runnable.') |
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# Get libraries needed to link with a Rust staticlib |
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cmdlist = self.exelist + ['--crate-type', 'staticlib', '--print', 'native-static-libs', source_name] |
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p, stdo, stde = Popen_safe(cmdlist, cwd=work_dir) |
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if p.returncode == 0: |
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match = re.search('native-static-libs: (.*)$', stde, re.MULTILINE) |
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if match: |
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# Exclude some well known libraries that we don't need because they |
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# are always part of C/C++ linkers. Rustc probably should not print |
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# them, pkg-config for example never specify them. |
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# FIXME: https://github.com/rust-lang/rust/issues/55120 |
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exclude = {'-lc', '-lgcc_s', '-lkernel32', '-ladvapi32'} |
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self.native_static_libs = [i for i in match.group(1).split() if i not in exclude] |
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def get_dependency_gen_args(self, outtarget: str, outfile: str) -> T.List[str]: |
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return ['--dep-info', outfile] |
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def get_buildtype_args(self, buildtype: str) -> T.List[str]: |
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return rust_buildtype_args[buildtype] |
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def get_sysroot(self) -> str: |
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cmd = self.get_exelist(ccache=False) + ['--print', 'sysroot'] |
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p, stdo, stde = Popen_safe(cmd) |
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return stdo.split('\n', maxsplit=1)[0] |
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def get_debug_args(self, is_debug: bool) -> T.List[str]: |
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return clike_debug_args[is_debug] |
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def get_optimization_args(self, optimization_level: str) -> T.List[str]: |
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return rust_optimization_args[optimization_level] |
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def compute_parameters_with_absolute_paths(self, parameter_list: T.List[str], |
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build_dir: str) -> T.List[str]: |
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for idx, i in enumerate(parameter_list): |
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if i[:2] == '-L': |
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for j in ['dependency', 'crate', 'native', 'framework', 'all']: |
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combined_len = len(j) + 3 |
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if i[:combined_len] == f'-L{j}=': |
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parameter_list[idx] = i[:combined_len] + os.path.normpath(os.path.join(build_dir, i[combined_len:])) |
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break |
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return parameter_list |
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def get_output_args(self, outputname: str) -> T.List[str]: |
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return ['-o', outputname] |
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@classmethod |
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def use_linker_args(cls, linker: str, version: str) -> T.List[str]: |
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return ['-C', f'linker={linker}'] |
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# Rust does not have a use_linker_args because it dispatches to a gcc-like |
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# C compiler for dynamic linking, as such we invoke the C compiler's |
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# use_linker_args method instead. |
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def get_options(self) -> 'MutableKeyedOptionDictType': |
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key = OptionKey('std', machine=self.for_machine, lang=self.language) |
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return { |
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key: coredata.UserComboOption( |
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'Rust edition to use', |
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['none', '2015', '2018', '2021'], |
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'none', |
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), |
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} |
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def get_dependency_compile_args(self, dep: 'Dependency') -> T.List[str]: |
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# Rust doesn't have dependency compile arguments so simply return |
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# nothing here. Dependencies are linked and all required metadata is |
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# provided by the linker flags. |
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return [] |
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def get_option_compile_args(self, options: 'KeyedOptionDictType') -> T.List[str]: |
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args = [] |
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key = OptionKey('std', machine=self.for_machine, lang=self.language) |
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std = options[key] |
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if std.value != 'none': |
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args.append('--edition=' + std.value) |
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return args |
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def get_crt_compile_args(self, crt_val: str, buildtype: str) -> T.List[str]: |
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# Rust handles this for us, we don't need to do anything |
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return [] |
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def get_colorout_args(self, colortype: str) -> T.List[str]: |
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if colortype in {'always', 'never', 'auto'}: |
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return [f'--color={colortype}'] |
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raise MesonException(f'Invalid color type for rust {colortype}') |
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def get_linker_always_args(self) -> T.List[str]: |
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args: T.List[str] = [] |
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for a in super().get_linker_always_args(): |
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args.extend(['-C', f'link-arg={a}']) |
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return args |
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def get_werror_args(self) -> T.List[str]: |
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# Use -D warnings, which makes every warning not explicitly allowed an |
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# error |
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return ['-D', 'warnings'] |
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def get_warn_args(self, level: str) -> T.List[str]: |
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# TODO: I'm not really sure what to put here, Rustc doesn't have warning |
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return self._WARNING_LEVELS[level] |
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def get_no_warn_args(self) -> T.List[str]: |
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return self._WARNING_LEVELS["0"] |
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def get_pic_args(self) -> T.List[str]: |
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# This defaults to |
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return ['-C', 'relocation-model=pic'] |
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def get_pie_args(self) -> T.List[str]: |
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# Rustc currently has no way to toggle this, it's controlled by whether |
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# pic is on by rustc |
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return [] |
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def get_assert_args(self, disable: bool) -> T.List[str]: |
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action = "no" if disable else "yes" |
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return ['-C', f'debug-assertions={action}'] |
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class ClippyRustCompiler(RustCompiler): |
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"""Clippy is a linter that wraps Rustc. |
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This just provides us a different id |
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""" |
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id = 'clippy-driver rustc'
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