after adding ~amd64 to the keywords in /usr/portage/media-sound/seq24/seq24-0.4.4.ebuild I was able to sucessfull build and test the application Reproducible: Always Steps to Reproduce: 1. add ~amd64 keyword to /usr/portage/media-sound/seq24/seq24-0.4.4.ebuild 2. emerge seq24 3. Actual Results: working application (tested with external Kawai K1, DR660 and Yamaha XG synth connected to Midiman USB Midisport 4x4 interface).
~amd64