compiz-bcop is a code generator that provides an easy way to handle plugin options by generating parts of the plugin code directly from the xml metadata file. It is used for most of the Compiz Fusion plugins. PLEASE read the README.Slackware file BEFORE you install any of the compiz packages. The install order is listed below but there are some important notes you need to be aware of before you install/use compiz. For correct installation, build in this order: 1. compiz (not available at SBo, see the README.Slackware file) 2. compiz-bcop 3. protobuf (optional but recommended) 4. libcompizconfig 5. compiz (optional, see the README.Slackware file) 6. compizconfig-python 7. ccsm 8. compiz-plugins-main 9. compiz-plugins-extra (optional) 10. compiz-plugins-experimental (optional) 11. emerald (optional) 12. emerald-themes (optional) 13. fusion-icon (optional)