Could you please bump dev-libs/vc to version 0.7.3? http://code.compeng.uni-frankfurt.de/news/26 Reproducible: Always
*vc-0.7.3 (05 Jan 2014) 05 Jan 2014; Manuel Rüger <mrueg@gentoo.org> +vc-0.7.3.ebuild: Version bump. Fixes bug #497150.