severity 251129 grave thanks This makes kdelibs4-dev uninstallable. kdelibs4-dev depends on kdelibs4, which depends on libcupsys2, and also on libcupsys2-dev, which depends on libcupsys2-gnutls10, and libcupsys2 and libcupsys2-gnutls10 conflict with each other. -- - mdz