Dear Eljay > It appears you forgot -Wl,--export-dynamic on your main program. Does that > make a difference? (My machine's environment is different from yours, so I > cannot reproduce your issue.) This was EXACTLY the right solution! Thank you very much indeed. This is what I love about coding: One full day to identify the problem, another full day to distill it into a compact example, one line answer :) Cheers - Ansgar ======================================== Ansgar Philippsen, PhD MIH - Biozentrum - Basel - Switzerland http://www.mih.unibas.ch ---------------------------------------- nobody is equal, everybody is equivalent ---------------------------------------- ---------------------------------------------------------------- This message was sent using IMP, the Internet Messaging Program.