diff options
Diffstat (limited to 'mesonbuild/compilers/compilers.py')
| -rw-r--r-- | mesonbuild/compilers/compilers.py | 88 |
1 files changed, 74 insertions, 14 deletions
diff --git a/mesonbuild/compilers/compilers.py b/mesonbuild/compilers/compilers.py index 42bc251..b1bb269 100644 --- a/mesonbuild/compilers/compilers.py +++ b/mesonbuild/compilers/compilers.py @@ -642,20 +642,6 @@ class Compiler(metaclass=abc.ABCMeta): 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 compiles(self, code: str, env: 'Environment', *, - extra_args: T.Union[None, T.List[str], CompilerArgs] = None, - dependencies: T.Optional[T.List['Dependency']] = None, - mode: str = 'compile', - disable_cache: bool = False) -> T.Tuple[bool, bool]: - raise EnvironmentException('Language %s does not support compile checks.' % self.get_display_language()) - - def links(self, code: str, env: 'Environment', *, - extra_args: T.Union[None, T.List[str], CompilerArgs] = None, - dependencies: T.Optional[T.List['Dependency']] = None, - mode: str = 'compile', - disable_cache: bool = False) -> T.Tuple[bool, bool]: - raise EnvironmentException('Language %s does not support link checks.' % self.get_display_language()) - def run(self, code: str, env: 'Environment', *, extra_args: T.Optional[T.List[str]] = None, dependencies: T.Optional[T.List['Dependency']] = None) -> RunResult: @@ -1132,6 +1118,80 @@ class Compiler(metaclass=abc.ABCMeta): """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]], + 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 baises. 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: str, env: 'Environment', + extra_args: T.Union[None, CompilerArgs, T.List[str]] = None, + dependencies: T.Optional[T.List['Dependency']] = None, + mode: str = 'compile', want_output: bool = False, + disable_cache: bool = False, + temp_dir: str = None) -> T.Iterator[T.Optional[CompileResult]]: + """Helper for getting a cacched 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, CompileCheckMode(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: str, env: 'Environment', *, + extra_args: T.Union[None, T.List[str], CompilerArgs] = None, + dependencies: T.Optional[T.List['Dependency']] = None, + mode: str = 'compile', + disable_cache: bool = False) -> T.Tuple[bool, bool]: + 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: str, env: 'Environment', *, + extra_args: T.Union[None, T.List[str], CompilerArgs] = None, + dependencies: T.Optional[T.List['Dependency']] = None, + mode: str = 'compile', + disable_cache: bool = False) -> T.Tuple[bool, bool]: + return self.compiles(code, env, extra_args=extra_args, + dependencies=dependencies, mode='link', disable_cache=disable_cache) + def get_args_from_envvars(lang: str, for_machine: MachineChoice, |