Fcitx support for applications using Qt 4 is in app-i18n/fcitx[qt4]. app-i18n/fcitx-4.2.9.1 has: KEYWORDS="~amd64 ~hppa ~ppc ~ppc64 ~x86" Fcitx support for applications using Qt 5 is in app-i18n/fcitx-qt5. app-i18n/fcitx-qt5-1.0.5 has: KEYWORDS="~amd64 ~x86" I suggest to add ~hppa ~ppc ~ppc64 keywords to app-i18n/fcitx-qt5.
Marked ~hppa.
Marked ~ppc64.
ppc keyword was added in: https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=3f7d8a3b65575aa82847de960278f906049df816