Created attachment 460554 [details] spnavcfg-0.3.ebuild Version 0.3 has been available for some time from https://sourceforge.net/projects/spacenav/files/spacenavd%20config%20gui/spnavcfg%200.3/ The current ebuild should work with very few changes, but please check.
commit 1385a65b7352e811ac8878a1618b0fee2d58915b Author: Sebastian Pipping <sping@g.o> Date: Wed Jan 18 18:50:18 2017 +0100 x11-misc/spnavcfg: 0.3 (bug #606430) Package-Manager: Portage-2.3.3, Repoman-2.3.1 x11-misc/spnavcfg/Manifest | 1 + .../spnavcfg/files/spnavcfg-0.3-custom-flags.patch | 60 ++++++++++++++++++++++ x11-misc/spnavcfg/spnavcfg-0.3.ebuild | 35 +++++++++++++ 3 files changed, 96 insertions(+) https://github.com/gentoo/gentoo/commit/1385a65b7352e811ac8878a1618b0fee2d58915b