Global USE flag

Add support for Tk GUI toolkit

Packages describing “tk” as local USE flag

Package “tk” Flag Description
dev-vcs/mercurial Install dev-lang/tk for hgk script.
app-office/scribus Install tk based scripts e.g.
x11-misc/xkbset Install the dev-perl/Tk based xkbset-gui utility
dev-vcs/git Include the 'gitk' and 'git gui' tools
net-mail/fetchmail Enable support for Tk GUI toolkit, in particular it installs fetchmailconf
sci-electronics/pcb Build tcl/tk graphical QFP footprint generator