The mozilla ebuild for version 1.7.5 uses USE flags not listed in IUSE. Therefore one can't keep control of these flags via `equery uses`. Reproducible: Always Steps to Reproduce: 1. emerge -v =net-www/mozilla-1.7.5 2. watch output after unpacking and applying of patches Actual Results: QA Notice: USE Flag 'ipv6' not in IUSE for net-www/mozilla-1.7.5 QA Notice: USE Flag 'ipv6' not in IUSE for net-www/mozilla-1.7.5 QA Notice: USE Flag 'truetype' not in IUSE for net-www/mozilla-1.7.5 QA Notice: USE Flag 'truetype' not in IUSE for net-www/mozilla-1.7.5 QA Notice: USE Flag 'truetype' not in IUSE for net-www/mozilla-1.7.5 QA Notice: USE Flag 'truetype' not in IUSE for net-www/mozilla-1.7.5 QA Notice: USE Flag 'moznoirc' not in IUSE for net-www/mozilla-1.7.5 QA Notice: USE Flag 'mozcalendar' not in IUSE for net-www/mozilla-1.7.5 QA Notice: USE Flag 'mozcalendar' not in IUSE for net-www/mozilla-1.7.5 QA Notice: USE Flag 'moznocompose' not in IUSE for net-www/mozilla-1.7.5 Expected Results: There shouldn't be any of these notices. Just put these flags into IUSE... Related: mozconfig.eclass sets some flags in IUSE without addressing them...
Fixed in up-to-date versions, closing.