This moves all the compiler detection logic into the new compilers.detect module. This dramatically reduces the size and complexity of Environment.pull/8933/head
Daniel Mensinger
4 years ago
parent
0f237b8d1d
commit
3f889606c7
14 changed files with 1611 additions and 1457 deletions
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# Copyright 2012-2021 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 ..mesonlib import ( |
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EnvironmentException, MachineChoice, OptionKey, |
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Popen_safe, search_version |
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) |
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from .linkers import ( |
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DynamicLinker, |
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AppleDynamicLinker, |
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GnuDynamicLinker, |
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GnuGoldDynamicLinker, |
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GnuBFDDynamicLinker, |
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LLVMDynamicLinker, |
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QualcommLLVMDynamicLinker, |
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MSVCDynamicLinker, |
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ClangClDynamicLinker, |
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SolarisDynamicLinker, |
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AIXDynamicLinker, |
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OptlinkDynamicLinker, |
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) |
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import re |
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import shlex |
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import typing as T |
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if T.TYPE_CHECKING: |
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from ..environment import Environment |
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from ..compilers import Compiler |
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defaults: T.Dict[str, T.List[str]] = {} |
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defaults['static_linker'] = ['ar', 'gar'] |
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defaults['vs_static_linker'] = ['lib'] |
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defaults['clang_cl_static_linker'] = ['llvm-lib'] |
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defaults['cuda_static_linker'] = ['nvlink'] |
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defaults['gcc_static_linker'] = ['gcc-ar'] |
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defaults['clang_static_linker'] = ['llvm-ar'] |
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def __failed_to_detect_linker(compiler: T.List[str], args: T.List[str], stdout: str, stderr: str) -> 'T.NoReturn': |
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msg = 'Unable to detect linker for compiler "{} {}"\nstdout: {}\nstderr: {}'.format( |
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' '.join(compiler), ' '.join(args), stdout, stderr) |
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raise EnvironmentException(msg) |
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def guess_win_linker(env: 'Environment', compiler: T.List[str], comp_class: T.Type['Compiler'], |
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for_machine: MachineChoice, *, |
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use_linker_prefix: bool = True, invoked_directly: bool = True, |
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extra_args: T.Optional[T.List[str]] = None) -> 'DynamicLinker': |
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env.coredata.add_lang_args(comp_class.language, comp_class, for_machine, env) |
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# Explicitly pass logo here so that we can get the version of link.exe |
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if not use_linker_prefix or comp_class.LINKER_PREFIX is None: |
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check_args = ['/logo', '--version'] |
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elif isinstance(comp_class.LINKER_PREFIX, str): |
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check_args = [comp_class.LINKER_PREFIX + '/logo', comp_class.LINKER_PREFIX + '--version'] |
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elif isinstance(comp_class.LINKER_PREFIX, list): |
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check_args = comp_class.LINKER_PREFIX + ['/logo'] + comp_class.LINKER_PREFIX + ['--version'] |
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check_args += env.coredata.options[OptionKey('args', lang=comp_class.language, machine=for_machine)].value |
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override = [] # type: T.List[str] |
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value = env.lookup_binary_entry(for_machine, comp_class.language + '_ld') |
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if value is not None: |
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override = comp_class.use_linker_args(value[0]) |
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check_args += override |
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if extra_args is not None: |
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check_args.extend(extra_args) |
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p, o, _ = Popen_safe(compiler + check_args) |
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if o.startswith('LLD'): |
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if '(compatible with GNU linkers)' in o: |
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return LLVMDynamicLinker( |
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compiler, for_machine, comp_class.LINKER_PREFIX, |
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override, version=search_version(o)) |
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elif not invoked_directly: |
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return ClangClDynamicLinker( |
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for_machine, override, exelist=compiler, prefix=comp_class.LINKER_PREFIX, |
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version=search_version(o), direct=False, machine=None) |
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if value is not None and invoked_directly: |
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compiler = value |
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# We've already hanedled the non-direct case above |
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p, o, e = Popen_safe(compiler + check_args) |
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if o.startswith('LLD'): |
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return ClangClDynamicLinker( |
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for_machine, [], |
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prefix=comp_class.LINKER_PREFIX if use_linker_prefix else [], |
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exelist=compiler, version=search_version(o), direct=invoked_directly) |
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elif 'OPTLINK' in o: |
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# Opltink's stdout *may* beging with a \r character. |
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return OptlinkDynamicLinker(compiler, for_machine, version=search_version(o)) |
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elif o.startswith('Microsoft') or e.startswith('Microsoft'): |
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out = o or e |
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match = re.search(r'.*(X86|X64|ARM|ARM64).*', out) |
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if match: |
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target = str(match.group(1)) |
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else: |
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target = 'x86' |
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return MSVCDynamicLinker( |
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for_machine, [], machine=target, exelist=compiler, |
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prefix=comp_class.LINKER_PREFIX if use_linker_prefix else [], |
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version=search_version(out), direct=invoked_directly) |
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elif 'GNU coreutils' in o: |
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raise EnvironmentException( |
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"Found GNU link.exe instead of MSVC link.exe. This link.exe " |
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"is not a linker. You may need to reorder entries to your " |
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"%PATH% variable to resolve this.") |
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__failed_to_detect_linker(compiler, check_args, o, e) |
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def guess_nix_linker(env: 'Environment', compiler: T.List[str], comp_class: T.Type['Compiler'], |
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for_machine: MachineChoice, *, |
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extra_args: T.Optional[T.List[str]] = None) -> 'DynamicLinker': |
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"""Helper for guessing what linker to use on Unix-Like OSes. |
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:compiler: Invocation to use to get linker |
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:comp_class: The Compiler Type (uninstantiated) |
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:for_machine: which machine this linker targets |
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:extra_args: Any additional arguments required (such as a source file) |
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""" |
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env.coredata.add_lang_args(comp_class.language, comp_class, for_machine, env) |
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extra_args = extra_args or [] |
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extra_args += env.coredata.options[OptionKey('args', lang=comp_class.language, machine=for_machine)].value |
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if isinstance(comp_class.LINKER_PREFIX, str): |
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check_args = [comp_class.LINKER_PREFIX + '--version'] + extra_args |
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else: |
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check_args = comp_class.LINKER_PREFIX + ['--version'] + extra_args |
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override = [] # type: T.List[str] |
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value = env.lookup_binary_entry(for_machine, comp_class.language + '_ld') |
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if value is not None: |
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override = comp_class.use_linker_args(value[0]) |
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check_args += override |
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_, o, e = Popen_safe(compiler + check_args) |
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v = search_version(o + e) |
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linker: DynamicLinker |
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if o.startswith('LLD'): |
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linker = LLVMDynamicLinker( |
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compiler, for_machine, comp_class.LINKER_PREFIX, override, version=v) |
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elif 'Snapdragon' in e and 'LLVM' in e: |
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linker = QualcommLLVMDynamicLinker( |
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compiler, for_machine, comp_class.LINKER_PREFIX, override, version=v) |
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elif e.startswith('lld-link: '): |
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# The LLD MinGW frontend didn't respond to --version before version 9.0.0, |
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# and produced an error message about failing to link (when no object |
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# files were specified), instead of printing the version number. |
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# Let's try to extract the linker invocation command to grab the version. |
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_, o, e = Popen_safe(compiler + check_args + ['-v']) |
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try: |
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linker_cmd = re.match(r'.*\n(.*?)\nlld-link: ', e, re.DOTALL).group(1) |
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linker_cmd = shlex.split(linker_cmd)[0] |
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except (AttributeError, IndexError, ValueError): |
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pass |
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else: |
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_, o, e = Popen_safe([linker_cmd, '--version']) |
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v = search_version(o) |
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linker = LLVMDynamicLinker(compiler, for_machine, comp_class.LINKER_PREFIX, override, version=v) |
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# first is for apple clang, second is for real gcc, the third is icc |
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elif e.endswith('(use -v to see invocation)\n') or 'macosx_version' in e or 'ld: unknown option:' in e: |
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if isinstance(comp_class.LINKER_PREFIX, str): |
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_, _, e = Popen_safe(compiler + [comp_class.LINKER_PREFIX + '-v'] + extra_args) |
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else: |
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_, _, e = Popen_safe(compiler + comp_class.LINKER_PREFIX + ['-v'] + extra_args) |
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for line in e.split('\n'): |
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if 'PROJECT:ld' in line: |
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v = line.split('-')[1] |
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break |
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else: |
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v = 'unknown version' |
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linker = AppleDynamicLinker(compiler, for_machine, comp_class.LINKER_PREFIX, override, version=v) |
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elif 'GNU' in o or 'GNU' in e: |
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cls: T.Type[GnuDynamicLinker] |
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if 'gold' in o or 'gold' in e: |
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cls = GnuGoldDynamicLinker |
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else: |
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cls = GnuBFDDynamicLinker |
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linker = cls(compiler, for_machine, comp_class.LINKER_PREFIX, override, version=v) |
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elif 'Solaris' in e or 'Solaris' in o: |
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for line in (o+e).split('\n'): |
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if 'ld: Software Generation Utilities' in line: |
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v = line.split(':')[2].lstrip() |
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break |
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else: |
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v = 'unknown version' |
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linker = SolarisDynamicLinker( |
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compiler, for_machine, comp_class.LINKER_PREFIX, override, |
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version=v) |
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elif 'ld: 0706-012 The -- flag is not recognized' in e: |
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if isinstance(comp_class.LINKER_PREFIX, str): |
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_, _, e = Popen_safe(compiler + [comp_class.LINKER_PREFIX + '-V'] + extra_args) |
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else: |
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_, _, e = Popen_safe(compiler + comp_class.LINKER_PREFIX + ['-V'] + extra_args) |
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linker = AIXDynamicLinker( |
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compiler, for_machine, comp_class.LINKER_PREFIX, override, |
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version=search_version(e)) |
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else: |
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__failed_to_detect_linker(compiler, check_args, o, e) |
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return linker |
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