cmake HAVE_PTHREAD_ATTR_SETSCOPE examples

alibaba/AliSQL configure.cmake :552 

CHECK_FUNCTION_EXISTS (pthread_attr_setscope HAVE_PTHREAD_ATTR_SETSCOPE)

arkdb/arkproxy configure.cmake :373 

CHECK_FUNCTION_EXISTS (pthread_attr_setscope HAVE_PTHREAD_ATTR_SETSCOPE)

alibaba/AliSQLBackup configure.cmake :468 

CHECK_FUNCTION_EXISTS (pthread_attr_setscope HAVE_PTHREAD_ATTR_SETSCOPE)