advancecomp has been released last month HISTORY file says: ADVANCECOMP VERSION 1.17 2013/03 ================================ * Changed to GPL3. * Added zopfli support. It's enabled using -4, --shrink-insane. You can control the number of iterations with the new -i, --iter option. Thanks to Darik Horn for the patches.
+ 18 Apr 2013; Michael Weber <xmw@gentoo.org> package.mask: + app-arch/advancecomp-1.17 masked due test failures + +*advancecomp-1.17 (18 Apr 2013) + + 18 Apr 2013; Michael Weber <xmw@gentoo.org> +advancecomp-1.17.ebuild, + +files/advancecomp-1.17-bzip2-compile.patch, metadata.xml: + Version bump reported by Mr. Anderson as bug 465890. Taking maint. +
https://sourceforge.net/tracker/?func=detail&aid=3611284&group_id=33717&atid=409010