I'm trying to edit a pdf to delete, change, and add text and hyperlinks. ANyone recommend how to do this?

I've tried pdfedit, but I couldn't figure it out, and the documentation didn't seem to address how to add a link.. Installed through ubuntu karmic repository. Thought a newer version might help so I downloaded source and get this error on ./configure

checking if zlib is wanted... configure: error: libz not found

If someone can help me get pdfedit to do what I want, or suggest another tool that would be great.

thanks.