See attached build log.
(Please do not complain about the need for looking at the build log until you can provide an easy way to open bugs with the correct data picked out of a tinderbox log. Thanks.)
Created attachment 246857 [details]
I think this bug could be closed, r1 of this packages fixes the ldflags issue
24 Oct 2012; Agostino Sarubbo <firstname.lastname@example.org> +allin1-0.5.0-r1.ebuild,
New revision, eapi4 bump, respect CC, LDFLAGS, add ~amd64