Most likely your old software is 32 bit so 64 bit libs won't help. Install 32 bit compatibility libs or get the necessary libs at
ftp://ftp.thunderstone.com/pub/linux/
Run "texis -version" on the old system to find the OS build information for your version.
ftp://ftp.thunderstone.com/pub/linux/
Run "texis -version" on the old system to find the OS build information for your version.