Regarding the sem_post problem, here is an old email from Tomasz Gebarowski which is interesting because it states that he had a sem_post issue with cdp.so which he solved by modifying the modules/cdp/Makefile. Now if we skip forward to right now, I notice that cdp.so COMPILE and LINKS for me with no errors and I also notice that Tomasz' fix is in place, but other ims modules that also use semaphore do NOT link properly for me in ubuntu and are exhibiting the same *undefined symbol: sem_post* error Tomasz had years ago in his ubuntu compiles. I think (hope) this may be more than coincidence that these things are related??? I have tried Tomasz' fix with an ubuntu compile but I still get the sem_post error. I still think he is on to something here and I am NOT modifying the Makefile correctly. Any suggestions on specifics to test this theory are greatly welcome. Here is Tomansz' email.....