def notfound_library(self, libname):
    lib = dependencies.ExternalLibrary(libname, None, self.environment, self.compiler.language, silent=True)
    return ExternalLibraryHolder(lib, self.subproject)
def notfound_library(self, libname):
    lib = dependencies.ExternalLibrary(libname, None, self.environment, self.compiler.language, silent=True)
    return ExternalLibraryHolder(lib, self.subproject)