scanner - Add support for scanner hardware (e.g. build the sane frontend in kdegraphics)
sdl - Add support for Simple Direct Layer (media library)
seamonkey - Add support for the Seamonkey web-browser
-seccomp - Enable seccomp for system call filtering
+seccomp - Enable seccomp (secure computing mode) to perform system call filtering at runtime to increase security of programs
selinux - !!internal use only!! Security Enhanced Linux support, this must be set by the selinux profile or breakage will occur
semantic-desktop - Cross-KDE support for semantic search and information retrieval
session - Add persistent session support