cmake HAVE_AIO_READ examples

arkdb/inception configure.cmake :377 

CHECK_FUNCTION_EXISTS (aio_read HAVE_AIO_READ)

alibaba/AliSQL configure.cmake :482 

CHECK_FUNCTION_EXISTS (aio_read HAVE_AIO_READ)

Tokutek/mysql-5.5 configure.cmake :315 

CHECK_FUNCTION_EXISTS (aio_read HAVE_AIO_READ)