adding the ~amd64 flag to /usr/portage/media-sound/amsynth/amsynth-1.0.0.ebuild allowed it to build, install and successfully run the application Reproducible: Always Steps to Reproduce: 1. add ~amd64 to /usr/portage/media-sound/amsynth/amsynth-1.0.0.ebuild 2. emerge amsynth 3. Actual Results: successfully build, working application tested with both jack and alsa audio output, and alsa-sequencer midi input
In CVS now, thanks!