On 03/08/2012 06:56 PM, Darrell Anderson wrote: > I can't answer your question to add a library. But check your build log output and cmake cache: > > -- Looking for X11/extensions/shape.h > -- Looking for X11/extensions/shape.h - found > > > //Have include X11/extensions/shape.h > HAVE_X11_EXTENSIONS_SHAPE_H:INTERNAL=1 > > > Darrell > > Yep, -- it finds the header fine, but with gcc >=4.6.2 you must explicitly pass the library to the linker or it will refuse to use it... I'm using gcc 4.6.3-1 :( -- David C. Rankin, J.D.,P.E.