Cloning into '/tmp/yaourt-tmp-abdu89/aur-showtime-git/src/showtime-build'...
done.
Configuring for Linux environment
Using C compiler:      cc
Using C++ compiler:    c++
Using Sqlite3:         3.8.4.3
Using Freetype2:       17.2.11
Using libfontconfig:   2.11.1
Using libX11:          1.6.2
Using libXext:         1.3.2
Using GLW Frontend:    x11
Using GL:              10.1.4
Using libpulse:        5.0
Using GTK+:            2.24.23
Using GTK Threading:   2.40.0
libwebkitgtk development files not found.
To compile without it, configure with: --disable-webkit
Configure failed
==> ERROR: A failure occurred in build().
    Aborting...
==> ERROR: Makepkg was unable to build showtime-git.
==> Restart building showtime-git ? [y/N]