building spice with USE="gui" results in a broken spicec $spicec CEGUI::GenericException in file CEGUIDynamicModule.cpp(99) : DynamicModule::DynamicModule - Failed to load module 'libCEGUITGAImageCodec.so': libCEGUITGAImageCodec.so: cannot open shared object file: No such file or directory Error: unhandled exception rebuilding the dependency dev-games/cegui with USE="opengl" resolves the issue.
Fixed in tree.