aio errors

[Derek Broughton]

Chaman Singh Verma wrote:

> Hello,
> 
> I am trying to execute MPI programs on ubuntu 8.10 ( 64 bit ) and I am
> getting the following errors
> 
> undefined reference to `aio_error64'
> /home//Software/ParComp/MPICH2/lib/libmpich.so: undefined reference to
> `aio_read64'
> /home//Software/ParComp/MPICH2/lib/libmpich.so: undefined reference to
> `aio_write64'
> /home/Software/ParComp/MPICH2/lib/libmpich.so: undefined reference to
> `aio_return64'
> /home/Software/ParComp/MPICH2/lib/libmpich.so: undefined reference to
> `aio_suspend64'
> collect2: ld returned 1 exit status
> 
> What package I must installed. I was thinking that AIO is the part of
> OS only and must come with the linux OS itself.

Probably libaio.  Have you tried looking for the appropriate MPI apps as 
Ubuntu packages?  There are lots of them...
-- 
derek