$Summary. apetag-1.8 was marked -amd64. I have reason to believe that apetag may now be compatible with your most illustrios arch. Please test.
tested here on ~amd64 system builds and appears to work fine
Compiles and works fine here on ~amd64 too.
+ 29 Jun 2008; Samuli Suominen <drac@gentoo.org> apetag-1.10.ebuild: + Restore ~amd64 wrt #227141, thanks to Chad A. Simmons and Pierre + Guinoiseau for testing.