diff options
| -rw-r--r-- | mesonbuild/dependencies/base.py | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/mesonbuild/dependencies/base.py b/mesonbuild/dependencies/base.py index 8f38d6c..d01ccf9 100644 --- a/mesonbuild/dependencies/base.py +++ b/mesonbuild/dependencies/base.py @@ -193,6 +193,13 @@ class Dependency: kwargs['method'] = method self.ext_deps.append(dep_type(env, kwargs)) + def get_variable(self, *, cmake: typing.Optional[str] = None, pkgconfig: typing.Optional[str] = None, + configtool: typing.Optional[str] = None, default: typing.Optional[str] = None, + pkgconfig_define: typing.Optional[typing.List[str]] = None) -> typing.Union[str, typing.List[str]]: + if default is not None: + return default + raise DependencyException('No default provided for dependency {!r}, which is not pkg-config, cmake, or config-tool based.'.format(self)) + class InternalDependency(Dependency): def __init__(self, version, incdirs, compile_args, link_args, libraries, whole_libraries, sources, ext_deps): @@ -518,6 +525,26 @@ class ConfigToolDependency(ExternalDependency): def log_tried(self): return self.type_name + def get_variable(self, *, cmake: typing.Optional[str] = None, pkgconfig: typing.Optional[str] = None, + configtool: typing.Optional[str] = None, default: typing.Optional[str] = None, + pkgconfig_define: typing.Optional[typing.List[str]] = None) -> typing.Union[str, typing.List[str]]: + if configtool: + # In the not required case '' (empty string) will be returned if the + # variable is not found. Since '' is a valid value to return we + # set required to True here to force and error, and use the + # finally clause to ensure it's restored. + restore = self.required + self.required = True + try: + return self.get_configtool_variable(configtool) + except DependencyException: + pass + finally: + self.required = restore + if default is not None: + return default + raise DependencyException('Could not get config-tool variable and no default provided for {!r}'.format(self)) + class PkgConfigDependency(ExternalDependency): # The class's copy of the pkg-config path. Avoids having to search for it @@ -928,6 +955,23 @@ class PkgConfigDependency(ExternalDependency): def log_tried(self): return self.type_name + def get_variable(self, *, cmake: typing.Optional[str] = None, pkgconfig: typing.Optional[str] = None, + configtool: typing.Optional[str] = None, default: typing.Optional[str] = None, + pkgconfig_define: typing.Optional[typing.List[str]] = None) -> typing.Union[str, typing.List[str]]: + if pkgconfig: + kwargs = {} + if default is not None: + kwargs['default'] = default + if pkgconfig_define is not None: + kwargs['define_variable'] = pkgconfig_define + try: + return self.get_pkgconfig_variable(pkgconfig, kwargs) + except DependencyException: + pass + if default is not None: + return default + raise DependencyException('Could not get pkg-config variable and no default provided for {!r}'.format(self)) + class CMakeTraceLine: def __init__(self, file, line, func, args): self.file = file @@ -1784,6 +1828,24 @@ set(CMAKE_SIZEOF_VOID_P "{}") return 'modules: ' + ', '.join(modules) return '' + def get_variable(self, *, cmake: typing.Optional[str] = None, pkgconfig: typing.Optional[str] = None, + configtool: typing.Optional[str] = None, default: typing.Optional[str] = None, + pkgconfig_define: typing.Optional[typing.List[str]] = None) -> typing.Union[str, typing.List[str]]: + if cmake: + try: + v = self.vars[cmake] + except KeyError: + if default is not None: + return default + else: + if len(v) == 1: + return v[0] + elif v: + return v + elif default is not None: + return default + raise DependencyException('Could not get cmake variable and no default provided for {!r}'.format(self)) + class DubDependency(ExternalDependency): class_dubbin = None |