Add support for x11-libs/gtk+ (The GIMP Toolkit)

Packages describing “gtk” as local USE flag

Package “gtk” Flag Description
app-misc/vifm Use gtk+ to determine mimetypes
net-misc/putty Build the PuTTY client which requires x11-libs/gtk+. If disabled only the CLI tools puttygen, plink, pscp and psftp will be built
net-wireless/spectools Build the gtk-2 based client for spectools
app-crypt/eid-mw All dialogs are available, by using x11-libs/gtk+
x11-misc/lightdm Pull in the gtk+ greeter
dev-db/postgis Build graphical interface for shp2pgsql (shp2pgsql-gui)
media-video/droidcam Build the dev-cpp/gtkmm:3.0 client.
dev-qt/qtwidgets Build the GTK platform theme plugin
net-im/pidgin Builds Pidgin, the GTK+ interface
www-client/netsurf Build GTK3 GUI
net-dns/avahi Use gtk3 for the avahi utilities to build the avahi-ui-gtk3 library
media-video/handbrake Install the GTK UI, ghb.
sys-devel/sparse Build the test-inspect utility (requires x11-libs/gtk+:3)
kde-plasma/plasma-meta Enable Breeze widget style and system settings module for GTK+
media-libs/xine-lib Build the gdkpixbuf-based image decoder plugin.
sys-power/nvclock Install the GTK+ based graphical interface
media-libs/libgpod Enable ArtworkDB support
media-libs/clutter Use gdk-pixbuf from x11-libs/gtk+ as image rendering backend
gnome-extra/libgsf Enable use of gdk in thumbnailer
games-emulation/higan Use GTK3 (Qt5 if disabled) user interface backend
sci-mathematics/why3 Build the IDE x11-libs/gtk+
x11-misc/wbar Enables the gtk-based wbar-config GUI
net-misc/youtube-viewer Install the gtk3 GUI
app-misc/lirc Include GTK support which enables the use of lirc-setup
dev-qt/qtbase Build the GTK platform theme plugin
net-dialup/ppp Installs GTK+ password prompting program that can be used by PPP plugin for reading the password from a X11 input terminal
dev-libs/libdbusmenu Enable support for GTK+2

All packages providing a “gtk” USE flag (138)