let's see:
open a second terminal and sudo apt-get install (now copy&paste all the missing deps in that output)
Unmet build dependencies: libgjs-dev (>= 1.29.18) gsettings-desktop-schemas-dev (>= 0.1.7) libcaribou-dev libcroco3-dev (>= 0.6.2) libdbus-glib-1-dev libgnome-bluetooth-dev (>= 3.1.0) libgnome-desktop-3-dev (>= 2.90.0) libgnome-keyring-dev libgnome-menu-3-dev libgstreamer0.10-dev (>= 0.10.16) libgudev-1.0-dev libnm-glib-dev (>= 0.8.999) librsvg2-dev libxss-dev libpulse-dev libecal1.2-dev (>= 2.32) libedataserver1.2-dev (>= 3.0.0) libedataserverui-3.0-dev (>= 3.0.0) libfolks-dev (>= 0.5.2) libtelepathy-glib-dev (>= 0.15.5) libtelepathy-logger-dev (>= 0.2.4) libpolkit-agent-1-dev (>= 0.100)