Concurrent usage both Sybase and FreeTDS

Hi,

I have to a project that will move data between Microsoft SQL server 
(2003) and Sybase server. The only way to access the SQL server is with 
FreeTDS (I'm using 0.63), tested with SQSH. The Sybase servers must be 
used using Sybase clients libraries (company rule).

Does anyone has experience on how to work with both databasesin the same 
perl program. I was hoping to duplicate "DBD::Sybase" into 
"DBD::FreeTDS" that will be linked against the FreeTDS libraries, and 
then I can use 'dbi::Sybase' to access the Sybase server, and 
'dbi::FreeTDS' to access the SQL server.

My major concern is how to keep the 'libct.so' separate. I'm not sure if 
this is possible, and if there is a problem here.

Any advice will be appreciated.

Thanks
Yair Lenga