Follow the upstream recommendations for packagers and switch to
multi-packages:
devel/gettext -> devel/gettext,-runtime
devel/gettext-tools -> devel/gettext,-tools
(new) devel/gettext,-textstyle
fwknop stands for the "FireWall KNock OPerator", and implements an
authorization scheme called Single Packet Authorization (SPA). This method of
authorization is based around a default-drop packet filter and libpcap. SPA is
essentially next generation port knocking.
Lots of help and tweaks by jca@, ok jca@