Test suite fails otherwise. Found on alpha, verified on amd64.
gnupg is only needed when --enable-cryptography is used, but we always unconditionally pass that (it builds some API for gpg context or whatever stuff that doesn't need to link or call gnupg at runtime itself, it seems). commit 6ba25a7d91086f8c705b169654b857a55de1cca3 Author: Mart Raudsepp <leio@gentoo.org> Date: Mon Mar 20 17:52:44 2017 +0200 dev-libs/gmime: add missing app-crypt/gnupg test dependency Gentoo-bug: 610018