> What are the current issues involving X11 programming on Linux and
> threads? I have a multithreaded X11 app that runs fine under Solaris
> and Irix. The last time I tried this under Linux, the app wouldn't
> start because it was built with the _REENTRANT flag, and none of the
> X11 and associated libraries were built this way.
set. If it's not building X from source is not particularly difficult.