Latest version of radiusclient is dated early 2002 and exim is the only consumer of it in the gentoo repo. Luckily exim supports newer API which was introduced in radiusclient-ng. freeradius-client is a successor to the radiusclient-ng, which utilizes the same API. PR on github: https://github.com/gentoo/gentoo/pull/251
(In reply to Alexander Tsoy from comment #0) > freeradius-client is a successor to the radiusclient-ng, which > utilizes the same API. s/utilizes/provides/ I'll update PR with reduced keywords.
Fixed in 4.86-r2, thanks for your contribution commit 2091c3a9d7ceccca564d8277d4de8e0e934615d7 Author: Alexander Tsoy <alexander@tsoy.me> Date: Sun Oct 18 00:44:31 2015 +0300 mail-mta/exim: use freeradius-client instead of radiusclient Also fix compilation with USE=radius. It was broken since 4.86 release. Acked-by: Sergey Popov <pinkbyte@gentoo.org> Gentoo-Bug: 563356