opalplugin.h header file comes with opal package. I used opal from svn. You can edit build.sh script accordingly so that the paths inside will suit your needs. It's very basic script actually. Jure On Sat, 2007-10-27 at 17:36 +0200, PawelCarqowski wrote: > Jure Petrovic writes: > I orgot to mention that I am compiling it against ipp/5.2.