$ grep :harfbuzz profiles/use*desc profiles/use.local.desc:dev-libs/efl:harfbuzz - Enable complex text shaping and layout support. profiles/use.local.desc:dev-qt/qtgui:harfbuzz - Use media-libs/harfbuzz for text shaping (experimental in Qt 5.3.x, default in Qt 5.4.0 and later). If enabled, it can still be disabled at runtime by setting QT_HARFBUZZ environment variable to "old". profiles/use.local.desc:media-libs/freetype:harfbuzz - Use media-libs/harfbuzz for auto-hinting OpenType fonts. WARNING: may trigger circular dependencies! profiles/use.local.desc:media-libs/libass:harfbuzz - Enables OpenType shaping via media-libs/harfbuzz.
Or isn't 4 enough? //Peter
