5 gcc
`pkg-config --cflags opencv dbus-glib-1` -o oble oble.
cpp `pkg-config --libs dbus-glib-1 opencv`
7 gnome-screensaver-poke
: gnome-screensaver-poke.c
8 gcc
`pkg-config --cflags dbus-glib-1` -o gnome-screensaver-poke gnome-screensaver-poke.c
`pkg-config --libs dbus-glib-1`
11 .
/oble
/usr
/share
/opencv
/haarcascades
/haarcascade_frontalface_alt.xml
14 rm -rf oble gnome-screensaver-poke