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1389 lines
58 KiB
1389 lines
58 KiB
# SPDX-License-Identifier: Apache-2.0 |
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# Copyright 2012-2022 The Meson development team |
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# Copyright © 2023 Intel Corporation |
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from __future__ import annotations |
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|
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import abc |
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import contextlib, os.path, re |
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import enum |
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import itertools |
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import typing as T |
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from dataclasses import dataclass |
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from functools import lru_cache |
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|
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from .. import coredata |
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from .. import mlog |
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from .. import mesonlib |
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from .. import options |
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from ..mesonlib import ( |
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HoldableObject, |
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EnvironmentException, MesonException, |
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Popen_safe_logged, LibType, TemporaryDirectoryWinProof, OptionKey, |
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) |
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from ..arglist import CompilerArgs |
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|
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if T.TYPE_CHECKING: |
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from ..build import BuildTarget, DFeatures |
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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 |
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from ..linkers import RSPFileSyntax |
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from ..linkers.linkers import DynamicLinker |
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from ..mesonlib import MachineChoice |
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from ..dependencies import Dependency |
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CompilerType = T.TypeVar('CompilerType', bound='Compiler') |
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_T = T.TypeVar('_T') |
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UserOptionType = T.TypeVar('UserOptionType', bound=options.UserOption) |
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"""This file contains the data files of all compilers Meson knows |
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about. To support a new compiler, add its information below. |
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Also add corresponding autodetection code in detect.py.""" |
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header_suffixes = {'h', 'hh', 'hpp', 'hxx', 'H', 'ipp', 'moc', 'vapi', 'di'} |
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obj_suffixes = {'o', 'obj', 'res'} |
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# To the emscripten compiler, .js files are libraries |
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lib_suffixes = {'a', 'lib', 'dll', 'dll.a', 'dylib', 'so', 'js'} |
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# Mapping of language to suffixes of files that should always be in that language |
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# This means we can't include .h headers here since they could be C, C++, ObjC, etc. |
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# First suffix is the language's default. |
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lang_suffixes = { |
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'c': ('c',), |
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'cpp': ('cpp', 'cc', 'cxx', 'c++', 'hh', 'hpp', 'ipp', 'hxx', 'ino', 'ixx', 'C', 'H'), |
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'cuda': ('cu',), |
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# f90, f95, f03, f08 are for free-form fortran ('f90' recommended) |
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# f, for, ftn, fpp are for fixed-form fortran ('f' or 'for' recommended) |
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'fortran': ('f90', 'f95', 'f03', 'f08', 'f', 'for', 'ftn', 'fpp'), |
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'd': ('d', 'di'), |
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'objc': ('m',), |
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'objcpp': ('mm',), |
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'rust': ('rs',), |
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'vala': ('vala', 'vapi', 'gs'), |
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'cs': ('cs',), |
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'swift': ('swift',), |
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'java': ('java',), |
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'cython': ('pyx', ), |
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'nasm': ('asm', 'nasm',), |
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'masm': ('masm',), |
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} |
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all_languages = lang_suffixes.keys() |
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c_cpp_suffixes = {'h'} |
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cpp_suffixes = set(lang_suffixes['cpp']) | c_cpp_suffixes |
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c_suffixes = set(lang_suffixes['c']) | c_cpp_suffixes |
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assembler_suffixes = {'s', 'S', 'sx', 'asm', 'masm'} |
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llvm_ir_suffixes = {'ll'} |
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all_suffixes = set(itertools.chain(*lang_suffixes.values(), assembler_suffixes, llvm_ir_suffixes, c_cpp_suffixes)) |
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source_suffixes = all_suffixes - header_suffixes |
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# List of languages that by default consume and output libraries following the |
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# C ABI; these can generally be used interchangeably |
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# This must be sorted, see sort_clink(). |
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clib_langs = ('objcpp', 'cpp', 'objc', 'c', 'nasm', 'fortran') |
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# List of languages that can be linked with C code directly by the linker |
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# used in build.py:process_compilers() and build.py:get_dynamic_linker() |
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# This must be sorted, see sort_clink(). |
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clink_langs = ('d', 'cuda') + clib_langs |
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SUFFIX_TO_LANG = dict(itertools.chain(*( |
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[(suffix, lang) for suffix in v] for lang, v in lang_suffixes.items()))) |
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|
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# Languages that should use LDFLAGS arguments when linking. |
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LANGUAGES_USING_LDFLAGS = {'objcpp', 'cpp', 'objc', 'c', 'fortran', 'd', 'cuda'} |
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# Languages that should use CPPFLAGS arguments when linking. |
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LANGUAGES_USING_CPPFLAGS = {'c', 'cpp', 'objc', 'objcpp'} |
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soregex = re.compile(r'.*\.so(\.[0-9]+)?(\.[0-9]+)?(\.[0-9]+)?$') |
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|
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# Environment variables that each lang uses. |
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CFLAGS_MAPPING: T.Mapping[str, str] = { |
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'c': 'CFLAGS', |
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'cpp': 'CXXFLAGS', |
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'cuda': 'CUFLAGS', |
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'objc': 'OBJCFLAGS', |
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'objcpp': 'OBJCXXFLAGS', |
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'fortran': 'FFLAGS', |
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'd': 'DFLAGS', |
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'vala': 'VALAFLAGS', |
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'rust': 'RUSTFLAGS', |
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'cython': 'CYTHONFLAGS', |
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'cs': 'CSFLAGS', # This one might not be standard. |
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} |
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# All these are only for C-linkable languages; see `clink_langs` above. |
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|
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def sort_clink(lang: str) -> int: |
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''' |
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Sorting function to sort the list of languages according to |
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reversed(compilers.clink_langs) and append the unknown langs in the end. |
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The purpose is to prefer C over C++ for files that can be compiled by |
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both such as assembly, C, etc. Also applies to ObjC, ObjC++, etc. |
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''' |
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if lang not in clink_langs: |
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return 1 |
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return -clink_langs.index(lang) |
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def is_header(fname: 'mesonlib.FileOrString') -> bool: |
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if isinstance(fname, mesonlib.File): |
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fname = fname.fname |
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suffix = fname.split('.')[-1] |
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return suffix in header_suffixes |
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def is_source_suffix(suffix: str) -> bool: |
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return suffix in source_suffixes |
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def is_source(fname: 'mesonlib.FileOrString') -> bool: |
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if isinstance(fname, mesonlib.File): |
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fname = fname.fname |
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suffix = fname.split('.')[-1].lower() |
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return is_source_suffix(suffix) |
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def is_assembly(fname: 'mesonlib.FileOrString') -> bool: |
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if isinstance(fname, mesonlib.File): |
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fname = fname.fname |
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suffix = fname.split('.')[-1] |
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return suffix in assembler_suffixes |
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def is_llvm_ir(fname: 'mesonlib.FileOrString') -> bool: |
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if isinstance(fname, mesonlib.File): |
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fname = fname.fname |
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suffix = fname.split('.')[-1] |
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return suffix in llvm_ir_suffixes |
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@lru_cache(maxsize=None) |
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def cached_by_name(fname: 'mesonlib.FileOrString') -> bool: |
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suffix = fname.split('.')[-1] |
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return suffix in obj_suffixes |
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def is_object(fname: 'mesonlib.FileOrString') -> bool: |
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if isinstance(fname, mesonlib.File): |
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fname = fname.fname |
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return cached_by_name(fname) |
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def is_library(fname: 'mesonlib.FileOrString') -> bool: |
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if isinstance(fname, mesonlib.File): |
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fname = fname.fname |
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if soregex.match(fname): |
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return True |
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suffix = fname.split('.')[-1] |
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return suffix in lib_suffixes |
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def is_known_suffix(fname: 'mesonlib.FileOrString') -> bool: |
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if isinstance(fname, mesonlib.File): |
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fname = fname.fname |
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suffix = fname.split('.')[-1] |
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return suffix in all_suffixes |
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class CompileCheckMode(enum.Enum): |
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PREPROCESS = 'preprocess' |
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COMPILE = 'compile' |
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LINK = 'link' |
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gnu_winlibs = ['-lkernel32', '-luser32', '-lgdi32', '-lwinspool', '-lshell32', |
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'-lole32', '-loleaut32', '-luuid', '-lcomdlg32', '-ladvapi32'] |
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msvc_winlibs = ['kernel32.lib', 'user32.lib', 'gdi32.lib', |
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'winspool.lib', 'shell32.lib', 'ole32.lib', 'oleaut32.lib', |
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'uuid.lib', 'comdlg32.lib', 'advapi32.lib'] |
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clike_optimization_args: T.Dict[str, T.List[str]] = { |
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'plain': [], |
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'0': [], |
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'g': [], |
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'1': ['-O1'], |
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'2': ['-O2'], |
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'3': ['-O3'], |
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's': ['-Os'], |
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} |
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clike_debug_args: T.Dict[bool, T.List[str]] = { |
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False: [], |
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True: ['-g'] |
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} |
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MSCRT_VALS = ['none', 'md', 'mdd', 'mt', 'mtd'] |
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@dataclass |
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class BaseOption(T.Generic[options._T, options._U]): |
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opt_type: T.Type[options._U] |
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description: str |
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default: T.Any = None |
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choices: T.Any = None |
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def init_option(self, name: OptionKey) -> options._U: |
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keywords = {'value': self.default} |
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if self.choices: |
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keywords['choices'] = self.choices |
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return self.opt_type(name.name, self.description, **keywords) |
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BASE_OPTIONS: T.Mapping[OptionKey, BaseOption] = { |
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OptionKey('b_pch'): BaseOption(options.UserBooleanOption, 'Use precompiled headers', True), |
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OptionKey('b_lto'): BaseOption(options.UserBooleanOption, 'Use link time optimization', False), |
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OptionKey('b_lto_threads'): BaseOption(options.UserIntegerOption, 'Use multiple threads for Link Time Optimization', (None, None, 0)), |
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OptionKey('b_lto_mode'): BaseOption(options.UserComboOption, 'Select between different LTO modes.', 'default', |
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choices=['default', 'thin']), |
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OptionKey('b_thinlto_cache'): BaseOption(options.UserBooleanOption, 'Use LLVM ThinLTO caching for faster incremental builds', False), |
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OptionKey('b_thinlto_cache_dir'): BaseOption(options.UserStringOption, 'Directory to store ThinLTO cache objects', ''), |
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OptionKey('b_sanitize'): BaseOption(options.UserComboOption, 'Code sanitizer to use', 'none', |
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choices=['none', 'address', 'thread', 'undefined', 'memory', 'leak', 'address,undefined']), |
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OptionKey('b_lundef'): BaseOption(options.UserBooleanOption, 'Use -Wl,--no-undefined when linking', True), |
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OptionKey('b_asneeded'): BaseOption(options.UserBooleanOption, 'Use -Wl,--as-needed when linking', True), |
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OptionKey('b_pgo'): BaseOption(options.UserComboOption, 'Use profile guided optimization', 'off', |
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choices=['off', 'generate', 'use']), |
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OptionKey('b_coverage'): BaseOption(options.UserBooleanOption, 'Enable coverage tracking.', False), |
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OptionKey('b_colorout'): BaseOption(options.UserComboOption, 'Use colored output', 'always', |
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choices=['auto', 'always', 'never']), |
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OptionKey('b_ndebug'): BaseOption(options.UserComboOption, 'Disable asserts', 'false', choices=['true', 'false', 'if-release']), |
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OptionKey('b_staticpic'): BaseOption(options.UserBooleanOption, 'Build static libraries as position independent', True), |
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OptionKey('b_pie'): BaseOption(options.UserBooleanOption, 'Build executables as position independent', False), |
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OptionKey('b_bitcode'): BaseOption(options.UserBooleanOption, 'Generate and embed bitcode (only macOS/iOS/tvOS)', False), |
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OptionKey('b_vscrt'): BaseOption(options.UserComboOption, 'VS run-time library type to use.', 'from_buildtype', |
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choices=MSCRT_VALS + ['from_buildtype', 'static_from_buildtype']), |
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} |
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base_options: KeyedOptionDictType = {key: base_opt.init_option(key) for key, base_opt in BASE_OPTIONS.items()} |
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def option_enabled(boptions: T.Set[OptionKey], options: 'KeyedOptionDictType', |
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option: OptionKey) -> bool: |
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try: |
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if option not in boptions: |
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return False |
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ret = options[option].value |
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assert isinstance(ret, bool), 'must return bool' # could also be str |
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return ret |
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except KeyError: |
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return False |
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def get_option_value(options: 'KeyedOptionDictType', opt: OptionKey, fallback: '_T') -> '_T': |
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"""Get the value of an option, or the fallback value.""" |
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try: |
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v: '_T' = options[opt].value |
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except KeyError: |
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return fallback |
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assert isinstance(v, type(fallback)), f'Should have {type(fallback)!r} but was {type(v)!r}' |
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# Mypy doesn't understand that the above assert ensures that v is type _T |
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return v |
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def are_asserts_disabled(options: KeyedOptionDictType) -> bool: |
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"""Should debug assertions be disabled |
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:param options: OptionDictionary |
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:return: whether to disable assertions or not |
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""" |
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return (options[OptionKey('b_ndebug')].value == 'true' or |
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(options[OptionKey('b_ndebug')].value == 'if-release' and |
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options[OptionKey('buildtype')].value in {'release', 'plain'})) |
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def get_base_compile_args(options: 'KeyedOptionDictType', compiler: 'Compiler', env: 'Environment') -> T.List[str]: |
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args: T.List[str] = [] |
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try: |
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if options[OptionKey('b_lto')].value: |
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args.extend(compiler.get_lto_compile_args( |
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threads=get_option_value(options, OptionKey('b_lto_threads'), 0), |
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mode=get_option_value(options, OptionKey('b_lto_mode'), 'default'))) |
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except KeyError: |
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pass |
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try: |
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args += compiler.get_colorout_args(options[OptionKey('b_colorout')].value) |
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except KeyError: |
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pass |
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try: |
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args += compiler.sanitizer_compile_args(options[OptionKey('b_sanitize')].value) |
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except KeyError: |
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pass |
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try: |
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pgo_val = options[OptionKey('b_pgo')].value |
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if pgo_val == 'generate': |
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args.extend(compiler.get_profile_generate_args()) |
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elif pgo_val == 'use': |
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args.extend(compiler.get_profile_use_args()) |
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except KeyError: |
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pass |
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try: |
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if options[OptionKey('b_coverage')].value: |
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args += compiler.get_coverage_args() |
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except KeyError: |
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pass |
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try: |
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args += compiler.get_assert_args(are_asserts_disabled(options), env) |
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except KeyError: |
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pass |
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# This does not need a try...except |
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if option_enabled(compiler.base_options, options, OptionKey('b_bitcode')): |
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args.append('-fembed-bitcode') |
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try: |
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crt_val = options[OptionKey('b_vscrt')].value |
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buildtype = options[OptionKey('buildtype')].value |
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try: |
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args += compiler.get_crt_compile_args(crt_val, buildtype) |
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except AttributeError: |
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pass |
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except KeyError: |
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pass |
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return args |
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|
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def get_base_link_args(options: 'KeyedOptionDictType', linker: 'Compiler', |
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is_shared_module: bool, build_dir: str) -> T.List[str]: |
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args: T.List[str] = [] |
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try: |
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if options[OptionKey('b_lto')].value: |
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if options[OptionKey('werror')].value: |
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args.extend(linker.get_werror_args()) |
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thinlto_cache_dir = None |
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if get_option_value(options, OptionKey('b_thinlto_cache'), False): |
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thinlto_cache_dir = get_option_value(options, OptionKey('b_thinlto_cache_dir'), '') |
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if thinlto_cache_dir == '': |
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thinlto_cache_dir = os.path.join(build_dir, 'meson-private', 'thinlto-cache') |
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args.extend(linker.get_lto_link_args( |
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threads=get_option_value(options, OptionKey('b_lto_threads'), 0), |
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mode=get_option_value(options, OptionKey('b_lto_mode'), 'default'), |
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thinlto_cache_dir=thinlto_cache_dir)) |
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except KeyError: |
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pass |
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try: |
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args += linker.sanitizer_link_args(options[OptionKey('b_sanitize')].value) |
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except KeyError: |
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pass |
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try: |
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pgo_val = options[OptionKey('b_pgo')].value |
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if pgo_val == 'generate': |
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args.extend(linker.get_profile_generate_args()) |
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elif pgo_val == 'use': |
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args.extend(linker.get_profile_use_args()) |
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except KeyError: |
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pass |
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try: |
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if options[OptionKey('b_coverage')].value: |
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args += linker.get_coverage_link_args() |
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except KeyError: |
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pass |
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as_needed = option_enabled(linker.base_options, options, OptionKey('b_asneeded')) |
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bitcode = option_enabled(linker.base_options, options, OptionKey('b_bitcode')) |
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# Shared modules cannot be built with bitcode_bundle because |
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# -bitcode_bundle is incompatible with -undefined and -bundle |
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if bitcode and not is_shared_module: |
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args.extend(linker.bitcode_args()) |
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elif as_needed: |
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# -Wl,-dead_strip_dylibs is incompatible with bitcode |
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args.extend(linker.get_asneeded_args()) |
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|
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# Apple's ld (the only one that supports bitcode) does not like -undefined |
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# arguments or -headerpad_max_install_names when bitcode is enabled |
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if not bitcode: |
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args.extend(linker.headerpad_args()) |
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if (not is_shared_module and |
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option_enabled(linker.base_options, options, OptionKey('b_lundef'))): |
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args.extend(linker.no_undefined_link_args()) |
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else: |
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args.extend(linker.get_allow_undefined_link_args()) |
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|
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try: |
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crt_val = options[OptionKey('b_vscrt')].value |
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buildtype = options[OptionKey('buildtype')].value |
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try: |
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args += linker.get_crt_link_args(crt_val, buildtype) |
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except AttributeError: |
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pass |
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except KeyError: |
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pass |
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return args |
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|
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class CrossNoRunException(MesonException): |
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pass |
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|
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class RunResult(HoldableObject): |
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def __init__(self, compiled: bool, returncode: int = 999, |
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stdout: str = 'UNDEFINED', stderr: str = 'UNDEFINED', |
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cached: bool = False): |
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self.compiled = compiled |
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self.returncode = returncode |
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self.stdout = stdout |
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self.stderr = stderr |
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self.cached = cached |
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|
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class CompileResult(HoldableObject): |
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|
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"""The result of Compiler.compiles (and friends).""" |
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|
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def __init__(self, stdo: T.Optional[str] = None, stde: T.Optional[str] = None, |
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command: T.Optional[T.List[str]] = None, |
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returncode: int = 999, |
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input_name: T.Optional[str] = None, |
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output_name: T.Optional[str] = None, |
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cached: bool = False): |
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self.stdout = stdo |
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self.stderr = stde |
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self.input_name = input_name |
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self.output_name = output_name |
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self.command = command or [] |
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self.cached = cached |
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self.returncode = returncode |
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|
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class Compiler(HoldableObject, metaclass=abc.ABCMeta): |
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# Libraries to ignore in find_library() since they are provided by the |
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# compiler or the C library. Currently only used for MSVC. |
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ignore_libs: T.List[str] = [] |
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# Libraries that are internal compiler implementations, and must not be |
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# manually searched. |
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internal_libs: T.List[str] = [] |
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|
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LINKER_PREFIX: T.Union[None, str, T.List[str]] = None |
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INVOKES_LINKER = True |
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|
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language: str |
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id: str |
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warn_args: T.Dict[str, T.List[str]] |
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mode = 'COMPILER' |
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|
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def __init__(self, ccache: T.List[str], exelist: T.List[str], version: str, |
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for_machine: MachineChoice, info: 'MachineInfo', |
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linker: T.Optional['DynamicLinker'] = None, |
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full_version: T.Optional[str] = None, is_cross: bool = False): |
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self.exelist = ccache + exelist |
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self.exelist_no_ccache = exelist |
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# In case it's been overridden by a child class already |
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if not hasattr(self, 'file_suffixes'): |
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self.file_suffixes = lang_suffixes[self.language] |
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if not hasattr(self, 'can_compile_suffixes'): |
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self.can_compile_suffixes: T.Set[str] = set(self.file_suffixes) |
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self.default_suffix = self.file_suffixes[0] |
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self.version = version |
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self.full_version = full_version |
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self.for_machine = for_machine |
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self.base_options: T.Set[OptionKey] = set() |
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self.linker = linker |
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self.info = info |
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self.is_cross = is_cross |
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self.modes: T.List[Compiler] = [] |
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|
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def __repr__(self) -> str: |
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repr_str = "<{0}: v{1} `{2}`>" |
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return repr_str.format(self.__class__.__name__, self.version, |
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' '.join(self.exelist)) |
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|
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@lru_cache(maxsize=None) |
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def can_compile(self, src: 'mesonlib.FileOrString') -> bool: |
|
if isinstance(src, mesonlib.File): |
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src = src.fname |
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suffix = os.path.splitext(src)[1] |
|
if suffix != '.C': |
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suffix = suffix.lower() |
|
return bool(suffix) and suffix[1:] in self.can_compile_suffixes |
|
|
|
def get_id(self) -> str: |
|
return self.id |
|
|
|
def get_modes(self) -> T.List[Compiler]: |
|
return self.modes |
|
|
|
def get_linker_id(self) -> str: |
|
# There is not guarantee that we have a dynamic linker instance, as |
|
# some languages don't have separate linkers and compilers. In those |
|
# cases return the compiler id |
|
try: |
|
return self.linker.id |
|
except AttributeError: |
|
return self.id |
|
|
|
def get_version_string(self) -> str: |
|
details = [self.id, self.version] |
|
if self.full_version: |
|
details += ['"%s"' % (self.full_version)] |
|
return '(%s)' % (' '.join(details)) |
|
|
|
def get_language(self) -> str: |
|
return self.language |
|
|
|
@classmethod |
|
def get_display_language(cls) -> str: |
|
return cls.language.capitalize() |
|
|
|
def get_default_suffix(self) -> str: |
|
return self.default_suffix |
|
|
|
def get_define(self, dname: str, prefix: str, env: 'Environment', |
|
extra_args: T.Union[T.List[str], T.Callable[[CompileCheckMode], T.List[str]]], |
|
dependencies: T.List['Dependency'], |
|
disable_cache: bool = False) -> T.Tuple[str, bool]: |
|
raise EnvironmentException('%s does not support get_define ' % self.get_id()) |
|
|
|
def compute_int(self, expression: str, low: T.Optional[int], high: T.Optional[int], |
|
guess: T.Optional[int], prefix: str, env: 'Environment', *, |
|
extra_args: T.Union[None, T.List[str], T.Callable[[CompileCheckMode], T.List[str]]], |
|
dependencies: T.Optional[T.List['Dependency']]) -> int: |
|
raise EnvironmentException('%s does not support compute_int ' % self.get_id()) |
|
|
|
def compute_parameters_with_absolute_paths(self, parameter_list: T.List[str], |
|
build_dir: str) -> T.List[str]: |
|
raise EnvironmentException('%s does not support compute_parameters_with_absolute_paths ' % self.get_id()) |
|
|
|
def has_members(self, typename: str, membernames: T.List[str], |
|
prefix: str, env: 'Environment', *, |
|
extra_args: T.Union[None, T.List[str], T.Callable[[CompileCheckMode], T.List[str]]] = None, |
|
dependencies: T.Optional[T.List['Dependency']] = None) -> T.Tuple[bool, bool]: |
|
raise EnvironmentException('%s does not support has_member(s) ' % self.get_id()) |
|
|
|
def has_type(self, typename: str, prefix: str, env: 'Environment', |
|
extra_args: T.Union[T.List[str], T.Callable[[CompileCheckMode], T.List[str]]], *, |
|
dependencies: T.Optional[T.List['Dependency']] = None) -> T.Tuple[bool, bool]: |
|
raise EnvironmentException('%s does not support has_type ' % self.get_id()) |
|
|
|
def symbols_have_underscore_prefix(self, env: 'Environment') -> bool: |
|
raise EnvironmentException('%s does not support symbols_have_underscore_prefix ' % self.get_id()) |
|
|
|
def get_exelist(self, ccache: bool = True) -> T.List[str]: |
|
return self.exelist.copy() if ccache else self.exelist_no_ccache.copy() |
|
|
|
def get_linker_exelist(self) -> T.List[str]: |
|
return self.linker.get_exelist() if self.linker else self.get_exelist() |
|
|
|
@abc.abstractmethod |
|
def get_output_args(self, outputname: str) -> T.List[str]: |
|
pass |
|
|
|
def get_linker_output_args(self, outputname: str) -> T.List[str]: |
|
return self.linker.get_output_args(outputname) |
|
|
|
def get_linker_search_args(self, dirname: str) -> T.List[str]: |
|
return self.linker.get_search_args(dirname) |
|
|
|
def get_builtin_define(self, define: str) -> T.Optional[str]: |
|
raise EnvironmentException('%s does not support get_builtin_define.' % self.id) |
|
|
|
def has_builtin_define(self, define: str) -> bool: |
|
raise EnvironmentException('%s does not support has_builtin_define.' % self.id) |
|
|
|
def get_always_args(self) -> T.List[str]: |
|
return [] |
|
|
|
def can_linker_accept_rsp(self) -> bool: |
|
""" |
|
Determines whether the linker can accept arguments using the @rsp syntax. |
|
""" |
|
return self.linker.get_accepts_rsp() |
|
|
|
def get_linker_always_args(self) -> T.List[str]: |
|
return self.linker.get_always_args() |
|
|
|
def get_linker_lib_prefix(self) -> str: |
|
return self.linker.get_lib_prefix() |
|
|
|
def gen_import_library_args(self, implibname: str) -> T.List[str]: |
|
""" |
|
Used only on Windows for libraries that need an import library. |
|
This currently means C, C++, Fortran. |
|
""" |
|
return [] |
|
|
|
def create_option(self, option_type: T.Type[UserOptionType], option_key: OptionKey, *args: T.Any, **kwargs: T.Any) -> T.Tuple[OptionKey, UserOptionType]: |
|
return option_key, option_type(f'{self.language}_{option_key.name}', *args, **kwargs) |
|
|
|
@staticmethod |
|
def update_options(options: MutableKeyedOptionDictType, *args: T.Tuple[OptionKey, UserOptionType]) -> MutableKeyedOptionDictType: |
|
options.update(args) |
|
return options |
|
|
|
def get_options(self) -> 'MutableKeyedOptionDictType': |
|
return {} |
|
|
|
def get_option_compile_args(self, options: 'KeyedOptionDictType') -> T.List[str]: |
|
return [] |
|
|
|
def get_option_link_args(self, options: 'KeyedOptionDictType') -> T.List[str]: |
|
return self.linker.get_option_args(options) |
|
|
|
def check_header(self, hname: str, prefix: str, env: 'Environment', *, |
|
extra_args: T.Union[None, T.List[str], T.Callable[[CompileCheckMode], T.List[str]]] = None, |
|
dependencies: T.Optional[T.List['Dependency']] = None) -> T.Tuple[bool, bool]: |
|
"""Check that header is usable. |
|
|
|
Returns a two item tuple of bools. The first bool is whether the |
|
check succeeded, the second is whether the result was cached (True) |
|
or run fresh (False). |
|
""" |
|
raise EnvironmentException('Language %s does not support header checks.' % self.get_display_language()) |
|
|
|
def has_header(self, hname: str, prefix: str, env: 'Environment', *, |
|
extra_args: T.Union[None, T.List[str], T.Callable[[CompileCheckMode], T.List[str]]] = None, |
|
dependencies: T.Optional[T.List['Dependency']] = None, |
|
disable_cache: bool = False) -> T.Tuple[bool, bool]: |
|
"""Check that header is exists. |
|
|
|
This check will return true if the file exists, even if it contains: |
|
|
|
```c |
|
# error "You thought you could use this, LOLZ!" |
|
``` |
|
|
|
Use check_header if your header only works in some cases. |
|
|
|
Returns a two item tuple of bools. The first bool is whether the |
|
check succeeded, the second is whether the result was cached (True) |
|
or run fresh (False). |
|
""" |
|
raise EnvironmentException('Language %s does not support header checks.' % self.get_display_language()) |
|
|
|
def has_header_symbol(self, hname: str, symbol: str, prefix: str, |
|
env: 'Environment', *, |
|
extra_args: T.Union[None, T.List[str], T.Callable[[CompileCheckMode], T.List[str]]] = None, |
|
dependencies: T.Optional[T.List['Dependency']] = None) -> T.Tuple[bool, bool]: |
|
raise EnvironmentException('Language %s does not support header symbol checks.' % self.get_display_language()) |
|
|
|
def run(self, code: 'mesonlib.FileOrString', env: 'Environment', |
|
extra_args: T.Union[T.List[str], T.Callable[[CompileCheckMode], T.List[str]], None] = None, |
|
dependencies: T.Optional[T.List['Dependency']] = None, |
|
run_env: T.Optional[T.Dict[str, str]] = None, |
|
run_cwd: T.Optional[str] = None) -> RunResult: |
|
need_exe_wrapper = env.need_exe_wrapper(self.for_machine) |
|
if need_exe_wrapper and not env.has_exe_wrapper(): |
|
raise CrossNoRunException('Can not run test applications in this cross environment.') |
|
with self._build_wrapper(code, env, extra_args, dependencies, mode=CompileCheckMode.LINK, want_output=True) as p: |
|
if p.returncode != 0: |
|
mlog.debug(f'Could not compile test file {p.input_name}: {p.returncode}\n') |
|
return RunResult(False) |
|
if need_exe_wrapper: |
|
cmdlist = env.exe_wrapper.get_command() + [p.output_name] |
|
else: |
|
cmdlist = [p.output_name] |
|
try: |
|
pe, so, se = mesonlib.Popen_safe(cmdlist, env=run_env, cwd=run_cwd) |
|
except Exception as e: |
|
mlog.debug(f'Could not run: {cmdlist} (error: {e})\n') |
|
return RunResult(False) |
|
|
|
mlog.debug('Program stdout:\n') |
|
mlog.debug(so) |
|
mlog.debug('Program stderr:\n') |
|
mlog.debug(se) |
|
return RunResult(True, pe.returncode, so, se) |
|
|
|
# Caching run() in general seems too risky (no way to know what the program |
|
# depends on), but some callers know more about the programs they intend to |
|
# run. |
|
# For now we just accept code as a string, as that's what internal callers |
|
# need anyway. If we wanted to accept files, the cache key would need to |
|
# include mtime. |
|
def cached_run(self, code: str, env: 'Environment', *, |
|
extra_args: T.Union[T.List[str], T.Callable[[CompileCheckMode], T.List[str]], None] = None, |
|
dependencies: T.Optional[T.List['Dependency']] = None) -> RunResult: |
|
run_check_cache = env.coredata.run_check_cache |
|
args = self.build_wrapper_args(env, extra_args, dependencies, CompileCheckMode('link')) |
|
key = (code, tuple(args)) |
|
if key in run_check_cache: |
|
p = run_check_cache[key] |
|
p.cached = True |
|
mlog.debug('Using cached run result:') |
|
mlog.debug('Code:\n', code) |
|
mlog.debug('Args:\n', extra_args) |
|
mlog.debug('Cached run returncode:\n', p.returncode) |
|
mlog.debug('Cached run stdout:\n', p.stdout) |
|
mlog.debug('Cached run stderr:\n', p.stderr) |
|
else: |
|
p = self.run(code, env, extra_args=extra_args, dependencies=dependencies) |
|
run_check_cache[key] = p |
|
return p |
|
|
|
def sizeof(self, typename: str, prefix: str, env: 'Environment', *, |
|
extra_args: T.Union[None, T.List[str], T.Callable[[CompileCheckMode], T.List[str]]] = None, |
|
dependencies: T.Optional[T.List['Dependency']] = None) -> T.Tuple[int, bool]: |
|
raise EnvironmentException('Language %s does not support sizeof checks.' % self.get_display_language()) |
|
|
|
def alignment(self, typename: str, prefix: str, env: 'Environment', *, |
|
extra_args: T.Optional[T.List[str]] = None, |
|
dependencies: T.Optional[T.List['Dependency']] = None) -> T.Tuple[int, bool]: |
|
raise EnvironmentException('Language %s does not support alignment checks.' % self.get_display_language()) |
|
|
|
def has_function(self, funcname: str, prefix: str, env: 'Environment', *, |
|
extra_args: T.Optional[T.List[str]] = None, |
|
dependencies: T.Optional[T.List['Dependency']] = None) -> T.Tuple[bool, bool]: |
|
"""See if a function exists. |
|
|
|
Returns a two item tuple of bools. The first bool is whether the |
|
check succeeded, the second is whether the result was cached (True) |
|
or run fresh (False). |
|
""" |
|
raise EnvironmentException('Language %s does not support function checks.' % self.get_display_language()) |
|
|
|
@classmethod |
|
def _unix_args_to_native(cls, args: T.List[str], info: MachineInfo) -> T.List[str]: |
|
"Always returns a copy that can be independently mutated" |
|
return args.copy() |
|
|
|
def unix_args_to_native(self, args: T.List[str]) -> T.List[str]: |
|
return self._unix_args_to_native(args, self.info) |
|
|
|
@classmethod |
|
def native_args_to_unix(cls, args: T.List[str]) -> T.List[str]: |
|
"Always returns a copy that can be independently mutated" |
|
return args.copy() |
|
|
|
def find_library(self, libname: str, env: 'Environment', extra_dirs: T.List[str], |
|
libtype: LibType = LibType.PREFER_SHARED, lib_prefix_warning: bool = True) -> T.Optional[T.List[str]]: |
|
raise EnvironmentException(f'Language {self.get_display_language()} does not support library finding.') |
|
|
|
def get_library_naming(self, env: 'Environment', libtype: LibType, |
|
strict: bool = False) -> T.Optional[T.Tuple[str, ...]]: |
|
raise EnvironmentException( |
|
'Language {} does not support get_library_naming.'.format( |
|
self.get_display_language())) |
|
|
|
def get_program_dirs(self, env: 'Environment') -> T.List[str]: |
|
return [] |
|
|
|
def has_multi_arguments(self, args: T.List[str], env: 'Environment') -> T.Tuple[bool, bool]: |
|
"""Checks if the compiler has all of the arguments. |
|
|
|
:returns: |
|
A tuple of (bool, bool). The first value is whether the check |
|
succeeded, and the second is whether it was retrieved from a cache |
|
""" |
|
raise EnvironmentException( |
|
'Language {} does not support has_multi_arguments.'.format( |
|
self.get_display_language())) |
|
|
|
def has_multi_link_arguments(self, args: T.List[str], env: 'Environment') -> T.Tuple[bool, bool]: |
|
"""Checks if the linker has all of the arguments. |
|
|
|
:returns: |
|
A tuple of (bool, bool). The first value is whether the check |
|
succeeded, and the second is whether it was retrieved from a cache |
|
""" |
|
return self.linker.has_multi_arguments(args, env) |
|
|
|
def _get_compile_output(self, dirname: str, mode: CompileCheckMode) -> str: |
|
assert mode != CompileCheckMode.PREPROCESS, 'In pre-processor mode, the output is sent to stdout and discarded' |
|
# Extension only matters if running results; '.exe' is |
|
# guaranteed to be executable on every platform. |
|
if mode == CompileCheckMode.LINK: |
|
suffix = 'exe' |
|
else: |
|
suffix = 'obj' |
|
return os.path.join(dirname, 'output.' + suffix) |
|
|
|
def get_compiler_args_for_mode(self, mode: CompileCheckMode) -> T.List[str]: |
|
args: T.List[str] = [] |
|
args += self.get_always_args() |
|
if mode is CompileCheckMode.COMPILE: |
|
args += self.get_compile_only_args() |
|
elif mode is CompileCheckMode.PREPROCESS: |
|
args += self.get_preprocess_only_args() |
|
else: |
|
assert mode is CompileCheckMode.LINK |
|
return args |
|
|
|
def compiler_args(self, args: T.Optional[T.Iterable[str]] = None) -> CompilerArgs: |
|
"""Return an appropriate CompilerArgs instance for this class.""" |
|
return CompilerArgs(self, args) |
|
|
|
@contextlib.contextmanager |
|
def compile(self, code: 'mesonlib.FileOrString', |
|
extra_args: T.Union[None, CompilerArgs, T.List[str]] = None, |
|
*, mode: CompileCheckMode = CompileCheckMode.LINK, want_output: bool = False, |
|
temp_dir: T.Optional[str] = None) -> T.Iterator[CompileResult]: |
|
# TODO: there isn't really any reason for this to be a contextmanager |
|
|
|
if mode == CompileCheckMode.PREPROCESS: |
|
assert not want_output, 'In pre-processor mode, the output is sent to stdout and discarded' |
|
|
|
if extra_args is None: |
|
extra_args = [] |
|
|
|
with TemporaryDirectoryWinProof(dir=temp_dir) as tmpdirname: |
|
no_ccache = False |
|
if isinstance(code, str): |
|
srcname = os.path.join(tmpdirname, |
|
'testfile.' + self.default_suffix) |
|
with open(srcname, 'w', encoding='utf-8') as ofile: |
|
ofile.write(code) |
|
# ccache would result in a cache miss |
|
no_ccache = True |
|
code_debug = f'Code:\n{code}' |
|
else: |
|
srcname = code.fname |
|
code_debug = f'Source file: {srcname}' |
|
|
|
# Construct the compiler command-line |
|
commands = self.compiler_args() |
|
commands.append(srcname) |
|
|
|
# Preprocess mode outputs to stdout, so no output args |
|
if mode != CompileCheckMode.PREPROCESS: |
|
output = self._get_compile_output(tmpdirname, mode) |
|
commands += self.get_output_args(output) |
|
commands.extend(self.get_compiler_args_for_mode(CompileCheckMode(mode))) |
|
|
|
# extra_args must be last because it could contain '/link' to |
|
# pass args to VisualStudio's linker. In that case everything |
|
# in the command line after '/link' is given to the linker. |
|
if extra_args: |
|
commands += extra_args |
|
# Generate full command-line with the exelist |
|
command_list = self.get_exelist(ccache=not no_ccache) + commands.to_native() |
|
mlog.debug('Running compile:') |
|
mlog.debug('Working directory: ', tmpdirname) |
|
mlog.debug(code_debug) |
|
os_env = os.environ.copy() |
|
os_env['LC_ALL'] = 'C' |
|
if no_ccache: |
|
os_env['CCACHE_DISABLE'] = '1' |
|
p, stdo, stde = Popen_safe_logged(command_list, msg='Command line', cwd=tmpdirname, env=os_env) |
|
|
|
result = CompileResult(stdo, stde, command_list, p.returncode, input_name=srcname) |
|
if want_output: |
|
result.output_name = output |
|
yield result |
|
|
|
@contextlib.contextmanager |
|
def cached_compile(self, code: 'mesonlib.FileOrString', cdata: coredata.CoreData, *, |
|
extra_args: T.Union[None, T.List[str], CompilerArgs] = None, |
|
mode: CompileCheckMode = CompileCheckMode.LINK, |
|
temp_dir: T.Optional[str] = None) -> T.Iterator[CompileResult]: |
|
# TODO: There's isn't really any reason for this to be a context manager |
|
|
|
# Calculate the key |
|
textra_args: T.Tuple[str, ...] = tuple(extra_args) if extra_args is not None else tuple() |
|
key: coredata.CompilerCheckCacheKey = (tuple(self.exelist), self.version, code, textra_args, mode) |
|
|
|
# Check if not cached, and generate, otherwise get from the cache |
|
if key in cdata.compiler_check_cache: |
|
p = cdata.compiler_check_cache[key] |
|
p.cached = True |
|
mlog.debug('Using cached compile:') |
|
mlog.debug('Cached command line: ', ' '.join(p.command), '\n') |
|
mlog.debug('Code:\n', code) |
|
mlog.debug('Cached compiler stdout:\n', p.stdout) |
|
mlog.debug('Cached compiler stderr:\n', p.stderr) |
|
yield p |
|
else: |
|
with self.compile(code, extra_args=extra_args, mode=mode, want_output=False, temp_dir=temp_dir) as p: |
|
cdata.compiler_check_cache[key] = p |
|
yield p |
|
|
|
def get_colorout_args(self, colortype: str) -> T.List[str]: |
|
# TODO: colortype can probably be an emum |
|
return [] |
|
|
|
# Some compilers (msvc) write debug info to a separate file. |
|
# These args specify where it should be written. |
|
def get_compile_debugfile_args(self, rel_obj: str, pch: bool = False) -> T.List[str]: |
|
return [] |
|
|
|
def should_link_pch_object(self) -> bool: |
|
return False |
|
|
|
def get_link_debugfile_name(self, targetfile: str) -> T.Optional[str]: |
|
return self.linker.get_debugfile_name(targetfile) |
|
|
|
def get_link_debugfile_args(self, targetfile: str) -> T.List[str]: |
|
return self.linker.get_debugfile_args(targetfile) |
|
|
|
def get_std_shared_lib_link_args(self) -> T.List[str]: |
|
return self.linker.get_std_shared_lib_args() |
|
|
|
def get_std_shared_module_link_args(self, options: 'KeyedOptionDictType') -> T.List[str]: |
|
return self.linker.get_std_shared_module_args(options) |
|
|
|
def get_link_whole_for(self, args: T.List[str]) -> T.List[str]: |
|
return self.linker.get_link_whole_for(args) |
|
|
|
def get_allow_undefined_link_args(self) -> T.List[str]: |
|
return self.linker.get_allow_undefined_args() |
|
|
|
def no_undefined_link_args(self) -> T.List[str]: |
|
return self.linker.no_undefined_args() |
|
|
|
def get_instruction_set_args(self, instruction_set: str) -> T.Optional[T.List[str]]: |
|
"""Compiler arguments needed to enable the given instruction set. |
|
|
|
Return type ay be an empty list meaning nothing needed or None |
|
meaning the given set is not supported. |
|
""" |
|
return None |
|
|
|
def build_rpath_args(self, env: 'Environment', build_dir: str, from_dir: str, |
|
rpath_paths: T.Tuple[str, ...], build_rpath: str, |
|
install_rpath: str) -> T.Tuple[T.List[str], T.Set[bytes]]: |
|
return self.linker.build_rpath_args( |
|
env, build_dir, from_dir, rpath_paths, build_rpath, install_rpath) |
|
|
|
def get_archive_name(self, filename: str) -> str: |
|
return self.linker.get_archive_name(filename) |
|
|
|
def get_command_to_archive_shlib(self) -> T.List[str]: |
|
if not self.linker: |
|
return [] |
|
return self.linker.get_command_to_archive_shlib() |
|
|
|
def thread_flags(self, env: 'Environment') -> T.List[str]: |
|
return [] |
|
|
|
def thread_link_flags(self, env: 'Environment') -> T.List[str]: |
|
return self.linker.thread_flags(env) |
|
|
|
def openmp_flags(self) -> T.List[str]: |
|
raise EnvironmentException('Language %s does not support OpenMP flags.' % self.get_display_language()) |
|
|
|
def openmp_link_flags(self) -> T.List[str]: |
|
return self.openmp_flags() |
|
|
|
def language_stdlib_only_link_flags(self, env: 'Environment') -> T.List[str]: |
|
return [] |
|
|
|
def gnu_symbol_visibility_args(self, vistype: str) -> T.List[str]: |
|
return [] |
|
|
|
def get_win_subsystem_args(self, value: str) -> T.List[str]: |
|
# By default the dynamic linker is going to return an empty |
|
# array in case it either doesn't support Windows subsystems |
|
# or does not target Windows |
|
return self.linker.get_win_subsystem_args(value) |
|
|
|
def has_func_attribute(self, name: str, env: 'Environment') -> T.Tuple[bool, bool]: |
|
raise EnvironmentException( |
|
f'Language {self.get_display_language()} does not support function attributes.') |
|
|
|
def get_pic_args(self) -> T.List[str]: |
|
m = 'Language {} does not support position-independent code' |
|
raise EnvironmentException(m.format(self.get_display_language())) |
|
|
|
def get_pie_args(self) -> T.List[str]: |
|
m = 'Language {} does not support position-independent executable' |
|
raise EnvironmentException(m.format(self.get_display_language())) |
|
|
|
def get_pie_link_args(self) -> T.List[str]: |
|
return self.linker.get_pie_args() |
|
|
|
def get_argument_syntax(self) -> str: |
|
"""Returns the argument family type. |
|
|
|
Compilers fall into families if they try to emulate the command line |
|
interface of another compiler. For example, clang is in the GCC family |
|
since it accepts most of the same arguments as GCC. ICL (ICC on |
|
windows) is in the MSVC family since it accepts most of the same |
|
arguments as MSVC. |
|
""" |
|
return 'other' |
|
|
|
def get_profile_generate_args(self) -> T.List[str]: |
|
raise EnvironmentException( |
|
'%s does not support get_profile_generate_args ' % self.get_id()) |
|
|
|
def get_profile_use_args(self) -> T.List[str]: |
|
raise EnvironmentException( |
|
'%s does not support get_profile_use_args ' % self.get_id()) |
|
|
|
def remove_linkerlike_args(self, args: T.List[str]) -> T.List[str]: |
|
rm_exact = ('-headerpad_max_install_names',) |
|
rm_prefixes = ('-Wl,', '-L',) |
|
rm_next = ('-L', '-framework',) |
|
ret: T.List[str] = [] |
|
iargs = iter(args) |
|
for arg in iargs: |
|
# Remove this argument |
|
if arg in rm_exact: |
|
continue |
|
# If the argument starts with this, but is not *exactly* this |
|
# f.ex., '-L' should match ['-Lfoo'] but not ['-L', 'foo'] |
|
if arg.startswith(rm_prefixes) and arg not in rm_prefixes: |
|
continue |
|
# Ignore this argument and the one after it |
|
if arg in rm_next: |
|
next(iargs) |
|
continue |
|
ret.append(arg) |
|
return ret |
|
|
|
def get_lto_compile_args(self, *, threads: int = 0, mode: str = 'default') -> T.List[str]: |
|
return [] |
|
|
|
def get_lto_link_args(self, *, threads: int = 0, mode: str = 'default', |
|
thinlto_cache_dir: T.Optional[str] = None) -> T.List[str]: |
|
return self.linker.get_lto_args() |
|
|
|
def sanitizer_compile_args(self, value: str) -> T.List[str]: |
|
return [] |
|
|
|
def sanitizer_link_args(self, value: str) -> T.List[str]: |
|
return self.linker.sanitizer_args(value) |
|
|
|
def get_asneeded_args(self) -> T.List[str]: |
|
return self.linker.get_asneeded_args() |
|
|
|
def headerpad_args(self) -> T.List[str]: |
|
return self.linker.headerpad_args() |
|
|
|
def bitcode_args(self) -> T.List[str]: |
|
return self.linker.bitcode_args() |
|
|
|
def get_optimization_link_args(self, optimization_level: str) -> T.List[str]: |
|
return self.linker.get_optimization_link_args(optimization_level) |
|
|
|
def get_soname_args(self, env: 'Environment', prefix: str, shlib_name: str, |
|
suffix: str, soversion: str, |
|
darwin_versions: T.Tuple[str, str]) -> T.List[str]: |
|
return self.linker.get_soname_args( |
|
env, prefix, shlib_name, suffix, soversion, |
|
darwin_versions) |
|
|
|
def get_target_link_args(self, target: 'BuildTarget') -> T.List[str]: |
|
return target.link_args |
|
|
|
def get_dependency_compile_args(self, dep: 'Dependency') -> T.List[str]: |
|
return dep.get_compile_args() |
|
|
|
def get_dependency_link_args(self, dep: 'Dependency') -> T.List[str]: |
|
return dep.get_link_args(self.get_language()) |
|
|
|
@classmethod |
|
def use_linker_args(cls, linker: str, version: str) -> T.List[str]: |
|
"""Get a list of arguments to pass to the compiler to set the linker. |
|
""" |
|
return [] |
|
|
|
def get_coverage_args(self) -> T.List[str]: |
|
return [] |
|
|
|
def get_coverage_link_args(self) -> T.List[str]: |
|
return self.linker.get_coverage_args() |
|
|
|
def get_assert_args(self, disable: bool, env: 'Environment') -> T.List[str]: |
|
"""Get arguments to enable or disable assertion. |
|
|
|
:param disable: Whether to disable assertions |
|
:return: A list of string arguments for this compiler |
|
""" |
|
return [] |
|
|
|
def get_crt_val(self, crt_val: str, buildtype: str) -> str: |
|
if crt_val in MSCRT_VALS: |
|
return crt_val |
|
assert crt_val in {'from_buildtype', 'static_from_buildtype'} |
|
|
|
dbg = 'mdd' |
|
rel = 'md' |
|
if crt_val == 'static_from_buildtype': |
|
dbg = 'mtd' |
|
rel = 'mt' |
|
|
|
# Match what build type flags used to do. |
|
if buildtype == 'plain': |
|
return 'none' |
|
elif buildtype == 'debug': |
|
return dbg |
|
elif buildtype in {'debugoptimized', 'release', 'minsize'}: |
|
return rel |
|
else: |
|
assert buildtype == 'custom' |
|
raise EnvironmentException('Requested C runtime based on buildtype, but buildtype is "custom".') |
|
|
|
def get_crt_compile_args(self, crt_val: str, buildtype: str) -> T.List[str]: |
|
raise EnvironmentException('This compiler does not support Windows CRT selection') |
|
|
|
def get_crt_link_args(self, crt_val: str, buildtype: str) -> T.List[str]: |
|
raise EnvironmentException('This compiler does not support Windows CRT selection') |
|
|
|
def get_compile_only_args(self) -> T.List[str]: |
|
return [] |
|
|
|
def get_preprocess_only_args(self) -> T.List[str]: |
|
raise EnvironmentException('This compiler does not have a preprocessor') |
|
|
|
def get_preprocess_to_file_args(self) -> T.List[str]: |
|
return self.get_preprocess_only_args() |
|
|
|
def get_default_include_dirs(self) -> T.List[str]: |
|
# TODO: This is a candidate for returning an immutable list |
|
return [] |
|
|
|
def get_largefile_args(self) -> T.List[str]: |
|
'''Enable transparent large-file-support for 32-bit UNIX systems''' |
|
if not (self.get_argument_syntax() == 'msvc' or self.info.is_darwin()): |
|
# Enable large-file support unconditionally on all platforms other |
|
# than macOS and MSVC. macOS is now 64-bit-only so it doesn't |
|
# need anything special, and MSVC doesn't have automatic LFS. |
|
# You must use the 64-bit counterparts explicitly. |
|
# glibc, musl, and uclibc, and all BSD libcs support this. On Android, |
|
# support for transparent LFS is available depending on the version of |
|
# Bionic: https://github.com/android/platform_bionic#32-bit-abi-bugs |
|
# https://code.google.com/p/android/issues/detail?id=64613 |
|
# |
|
# If this breaks your code, fix it! It's been 20+ years! |
|
return ['-D_FILE_OFFSET_BITS=64'] |
|
# We don't enable -D_LARGEFILE64_SOURCE since that enables |
|
# transitionary features and must be enabled by programs that use |
|
# those features explicitly. |
|
return [] |
|
|
|
def get_library_dirs(self, env: 'Environment', |
|
elf_class: T.Optional[int] = None) -> T.List[str]: |
|
return [] |
|
|
|
def get_return_value(self, |
|
fname: str, |
|
rtype: str, |
|
prefix: str, |
|
env: 'Environment', |
|
extra_args: T.Optional[T.List[str]], |
|
dependencies: T.Optional[T.List['Dependency']]) -> T.Union[str, int]: |
|
raise EnvironmentException(f'{self.id} does not support get_return_value') |
|
|
|
def find_framework(self, |
|
name: str, |
|
env: 'Environment', |
|
extra_dirs: T.List[str], |
|
allow_system: bool = True) -> T.Optional[T.List[str]]: |
|
raise EnvironmentException(f'{self.id} does not support find_framework') |
|
|
|
def find_framework_paths(self, env: 'Environment') -> T.List[str]: |
|
raise EnvironmentException(f'{self.id} does not support find_framework_paths') |
|
|
|
def attribute_check_func(self, name: str) -> str: |
|
raise EnvironmentException(f'{self.id} does not support attribute checks') |
|
|
|
def get_pch_suffix(self) -> str: |
|
raise EnvironmentException(f'{self.id} does not support pre compiled headers') |
|
|
|
def get_pch_name(self, name: str) -> str: |
|
raise EnvironmentException(f'{self.id} does not support pre compiled headers') |
|
|
|
def get_pch_use_args(self, pch_dir: str, header: str) -> T.List[str]: |
|
raise EnvironmentException(f'{self.id} does not support pre compiled headers') |
|
|
|
def get_has_func_attribute_extra_args(self, name: str) -> T.List[str]: |
|
raise EnvironmentException(f'{self.id} does not support function attributes') |
|
|
|
def name_string(self) -> str: |
|
return ' '.join(self.exelist) |
|
|
|
@abc.abstractmethod |
|
def sanity_check(self, work_dir: str, environment: 'Environment') -> None: |
|
"""Check that this compiler actually works. |
|
|
|
This should provide a simple compile/link test. Something as simple as: |
|
```python |
|
main(): return 0 |
|
``` |
|
is good enough here. |
|
""" |
|
|
|
def split_shlib_to_parts(self, fname: str) -> T.Tuple[T.Optional[str], str]: |
|
return None, fname |
|
|
|
def get_dependency_gen_args(self, outtarget: str, outfile: str) -> T.List[str]: |
|
return [] |
|
|
|
def get_std_exe_link_args(self) -> T.List[str]: |
|
# TODO: is this a linker property? |
|
return [] |
|
|
|
def get_include_args(self, path: str, is_system: bool) -> T.List[str]: |
|
return [] |
|
|
|
def depfile_for_object(self, objfile: str) -> T.Optional[str]: |
|
return objfile + '.' + self.get_depfile_suffix() |
|
|
|
def get_depfile_suffix(self) -> str: |
|
raise EnvironmentException(f'{self.id} does not implement get_depfile_suffix') |
|
|
|
def get_no_stdinc_args(self) -> T.List[str]: |
|
"""Arguments to turn off default inclusion of standard libraries.""" |
|
return [] |
|
|
|
def get_warn_args(self, level: str) -> T.List[str]: |
|
return [] |
|
|
|
def get_werror_args(self) -> T.List[str]: |
|
return [] |
|
|
|
@abc.abstractmethod |
|
def get_optimization_args(self, optimization_level: str) -> T.List[str]: |
|
pass |
|
|
|
def get_module_incdir_args(self) -> T.Tuple[str, ...]: |
|
raise EnvironmentException(f'{self.id} does not implement get_module_incdir_args') |
|
|
|
def get_module_outdir_args(self, path: str) -> T.List[str]: |
|
raise EnvironmentException(f'{self.id} does not implement get_module_outdir_args') |
|
|
|
def module_name_to_filename(self, module_name: str) -> str: |
|
raise EnvironmentException(f'{self.id} does not implement module_name_to_filename') |
|
|
|
def get_compiler_check_args(self, mode: CompileCheckMode) -> T.List[str]: |
|
"""Arguments to pass the compiler and/or linker for checks. |
|
|
|
The default implementation turns off optimizations. |
|
|
|
Examples of things that go here: |
|
- extra arguments for error checking |
|
- Arguments required to make the compiler exit with a non-zero status |
|
when something is wrong. |
|
""" |
|
return self.get_no_optimization_args() |
|
|
|
def get_no_optimization_args(self) -> T.List[str]: |
|
"""Arguments to the compiler to turn off all optimizations.""" |
|
return [] |
|
|
|
def build_wrapper_args(self, env: 'Environment', |
|
extra_args: T.Union[None, CompilerArgs, T.List[str], T.Callable[[CompileCheckMode], T.List[str]]], |
|
dependencies: T.Optional[T.List['Dependency']], |
|
mode: CompileCheckMode = CompileCheckMode.COMPILE) -> CompilerArgs: |
|
"""Arguments to pass the build_wrapper helper. |
|
|
|
This generally needs to be set on a per-language basis. It provides |
|
a hook for languages to handle dependencies and extra args. The base |
|
implementation handles the most common cases, namely adding the |
|
check_arguments, unwrapping dependencies, and appending extra args. |
|
""" |
|
if callable(extra_args): |
|
extra_args = extra_args(mode) |
|
if extra_args is None: |
|
extra_args = [] |
|
if dependencies is None: |
|
dependencies = [] |
|
|
|
# Collect compiler arguments |
|
args = self.compiler_args(self.get_compiler_check_args(mode)) |
|
for d in dependencies: |
|
# Add compile flags needed by dependencies |
|
args += d.get_compile_args() |
|
if mode is CompileCheckMode.LINK: |
|
# Add link flags needed to find dependencies |
|
args += d.get_link_args() |
|
|
|
if mode is CompileCheckMode.COMPILE: |
|
# Add DFLAGS from the env |
|
args += env.coredata.get_external_args(self.for_machine, self.language) |
|
elif mode is CompileCheckMode.LINK: |
|
# Add LDFLAGS from the env |
|
args += env.coredata.get_external_link_args(self.for_machine, self.language) |
|
# extra_args must override all other arguments, so we add them last |
|
args += extra_args |
|
return args |
|
|
|
@contextlib.contextmanager |
|
def _build_wrapper(self, code: 'mesonlib.FileOrString', env: 'Environment', |
|
extra_args: T.Union[None, CompilerArgs, T.List[str], T.Callable[[CompileCheckMode], T.List[str]]] = None, |
|
dependencies: T.Optional[T.List['Dependency']] = None, |
|
mode: CompileCheckMode = CompileCheckMode.COMPILE, want_output: bool = False, |
|
disable_cache: bool = False) -> T.Iterator[CompileResult]: |
|
"""Helper for getting a cached value when possible. |
|
|
|
This method isn't meant to be called externally, it's mean to be |
|
wrapped by other methods like compiles() and links(). |
|
""" |
|
args = self.build_wrapper_args(env, extra_args, dependencies, mode) |
|
if disable_cache or want_output: |
|
with self.compile(code, extra_args=args, mode=mode, want_output=want_output, temp_dir=env.scratch_dir) as r: |
|
yield r |
|
else: |
|
with self.cached_compile(code, env.coredata, extra_args=args, mode=mode, temp_dir=env.scratch_dir) as r: |
|
yield r |
|
|
|
def compiles(self, code: 'mesonlib.FileOrString', env: 'Environment', *, |
|
extra_args: T.Union[None, T.List[str], CompilerArgs, T.Callable[[CompileCheckMode], T.List[str]]] = None, |
|
dependencies: T.Optional[T.List['Dependency']] = None, |
|
mode: CompileCheckMode = CompileCheckMode.COMPILE, |
|
disable_cache: bool = False) -> T.Tuple[bool, bool]: |
|
"""Run a compilation or link test to see if code can be compiled/linked. |
|
|
|
:returns: |
|
A tuple of (bool, bool). The first value is whether the check |
|
succeeded, and the second is whether it was retrieved from a cache |
|
""" |
|
with self._build_wrapper(code, env, extra_args, dependencies, mode, disable_cache=disable_cache) as p: |
|
return p.returncode == 0, p.cached |
|
|
|
def links(self, code: 'mesonlib.FileOrString', env: 'Environment', *, |
|
compiler: T.Optional['Compiler'] = None, |
|
extra_args: T.Union[None, T.List[str], CompilerArgs, T.Callable[[CompileCheckMode], T.List[str]]] = None, |
|
dependencies: T.Optional[T.List['Dependency']] = None, |
|
disable_cache: bool = False) -> T.Tuple[bool, bool]: |
|
if compiler: |
|
with compiler._build_wrapper(code, env, dependencies=dependencies, want_output=True) as r: |
|
objfile = mesonlib.File.from_absolute_file(r.output_name) |
|
return self.compiles(objfile, env, extra_args=extra_args, |
|
dependencies=dependencies, mode=CompileCheckMode.LINK, disable_cache=True) |
|
|
|
return self.compiles(code, env, extra_args=extra_args, |
|
dependencies=dependencies, mode=CompileCheckMode.LINK, disable_cache=disable_cache) |
|
|
|
def get_feature_args(self, kwargs: DFeatures, build_to_src: str) -> T.List[str]: |
|
"""Used by D for extra language features.""" |
|
# TODO: using a TypeDict here would improve this |
|
raise EnvironmentException(f'{self.id} does not implement get_feature_args') |
|
|
|
def get_prelink_args(self, prelink_name: str, obj_list: T.List[str]) -> T.List[str]: |
|
raise EnvironmentException(f'{self.id} does not know how to do prelinking.') |
|
|
|
def rsp_file_syntax(self) -> 'RSPFileSyntax': |
|
"""The format of the RSP file that this compiler supports. |
|
|
|
If `self.can_linker_accept_rsp()` returns True, then this needs to |
|
be implemented |
|
""" |
|
return self.linker.rsp_file_syntax() |
|
|
|
def get_debug_args(self, is_debug: bool) -> T.List[str]: |
|
"""Arguments required for a debug build.""" |
|
return [] |
|
|
|
def needs_static_linker(self) -> bool: |
|
raise NotImplementedError(f'There is no static linker for {self.language}') |
|
|
|
def get_preprocessor(self) -> Compiler: |
|
"""Get compiler's preprocessor. |
|
""" |
|
raise EnvironmentException(f'{self.get_id()} does not support preprocessor') |
|
|
|
def get_global_options(lang: str, |
|
comp: T.Type[Compiler], |
|
for_machine: MachineChoice, |
|
env: 'Environment') -> 'KeyedOptionDictType': |
|
"""Retrieve options that apply to all compilers for a given language.""" |
|
description = f'Extra arguments passed to the {lang}' |
|
argkey = OptionKey('args', lang=lang, machine=for_machine) |
|
largkey = argkey.evolve('link_args') |
|
envkey = argkey.evolve('env_args') |
|
|
|
comp_key = argkey if argkey in env.options else envkey |
|
|
|
comp_options = env.options.get(comp_key, []) |
|
link_options = env.options.get(largkey, []) |
|
|
|
cargs = options.UserArrayOption( |
|
f'{lang}_{argkey.name}', |
|
description + ' compiler', |
|
comp_options, split_args=True, allow_dups=True) |
|
|
|
largs = options.UserArrayOption( |
|
f'{lang}_{largkey.name}', |
|
description + ' linker', |
|
link_options, split_args=True, allow_dups=True) |
|
|
|
if comp.INVOKES_LINKER and comp_key == envkey: |
|
# If the compiler acts as a linker driver, and we're using the |
|
# environment variable flags for both the compiler and linker |
|
# arguments, then put the compiler flags in the linker flags as well. |
|
# This is how autotools works, and the env vars feature is for |
|
# autotools compatibility. |
|
largs.extend_value(comp_options) |
|
|
|
opts: 'KeyedOptionDictType' = {argkey: cargs, largkey: largs} |
|
|
|
return opts
|
|
|