cmake HAVE_PTHREAD_ATTR_SETSTACKSIZE examples

alibaba/AliSQL configure.cmake :553 

CHECK_FUNCTION_EXISTS (pthread_attr_setstacksize HAVE_PTHREAD_ATTR_SETSTACKSIZE)

arkdb/arkproxy configure.cmake :375 

CHECK_FUNCTION_EXISTS (pthread_attr_setstacksize HAVE_PTHREAD_ATTR_SETSTACKSIZE)

alibaba/AliSQLBackup configure.cmake :469 

CHECK_FUNCTION_EXISTS (pthread_attr_setstacksize HAVE_PTHREAD_ATTR_SETSTACKSIZE)