--libexecdir=$GNOME_PREFIX/sbin : This command puts libexec files in $GNOME_PREFIX/sbin instead of $GNOME_PREFIX/libexec. --sysconfdir=/etc/gnome : This command puts configuration files in /etc/gnome instead of $GNOME_PREFIX/etc. This installation controls all future installations of schemas, changes in location, including eliminating this command must be consistent. --disable-gtk-doc : This switch will prevent the rebuilding of documentation during the make command.