diff options
Diffstat (limited to 'mesonbuild/environment.py')
| -rw-r--r-- | mesonbuild/environment.py | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/mesonbuild/environment.py b/mesonbuild/environment.py index 2c3bdec..2b79f02 100644 --- a/mesonbuild/environment.py +++ b/mesonbuild/environment.py @@ -12,6 +12,7 @@ import collections from . import coredata from . import mesonlib from . import machinefile +from . import options CmdLineFileParser = machinefile.CmdLineFileParser @@ -1071,3 +1072,44 @@ class Environment: if extra_paths: env.prepend('PATH', list(extra_paths)) return env + + def add_lang_args(self, lang: str, comp: T.Type['Compiler'], + for_machine: MachineChoice) -> None: + """Add global language arguments that are needed before compiler/linker detection.""" + description = f'Extra arguments passed to the {lang}' + argkey = OptionKey(f'{lang}_args', machine=for_machine) + largkey = OptionKey(f'{lang}_link_args', machine=for_machine) + + comp_args_from_envvar = False + comp_options = self.coredata.optstore.get_pending_value(argkey) + if comp_options is None: + comp_args_from_envvar = True + comp_options = self.env_opts.get(argkey, []) + + link_options = self.coredata.optstore.get_pending_value(largkey) + if link_options is None: + link_options = self.env_opts.get(largkey, []) + + assert isinstance(comp_options, (str, list)), 'for mypy' + assert isinstance(link_options, (str, list)), 'for mypy' + + cargs = options.UserStringArrayOption( + argkey.name, + description + ' compiler', + comp_options, split_args=True, allow_dups=True) + + largs = options.UserStringArrayOption( + largkey.name, + description + ' linker', + link_options, split_args=True, allow_dups=True) + + self.coredata.optstore.add_compiler_option(lang, argkey, cargs) + self.coredata.optstore.add_compiler_option(lang, largkey, largs) + + if comp.INVOKES_LINKER and comp_args_from_envvar: + # 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) |