CMake Warning: Manually-specified variables were not used by the project: CMAKE_EXPORT_NO_PACKAGE_REGISTRY CMAKE_INSTALL_BINDIR CMAKE_INSTALL_DATAROOTDIR CMAKE_INSTALL_INCLUDEDIR CMAKE_INSTALL_LIBDIR CMAKE_INSTALL_LIBEXECDIR CMAKE_INSTALL_OLDINCLUDEDIR CMAKE_INSTALL_SBINDIR CMake Warning: Manually-specified variables were not used by the project: CMAKE_EXPORT_NO_PACKAGE_REGISTRY ERROR: mimalloc/1.6.7 (test package): Error in test() method, line 69 self.output.info("Environment append: {}".format(self._environment)) while calling '_environment', line 58 insert_library = os.join(env_build.vars["DYLD_LIBRARY_PATH"], self._lib_name +".dylib") AttributeError: module 'os' has no attribute 'join'