The xorg-server-1.5.2 ebuild has on its rdepend pixman-0.12 which is not a specific version of the library. It should depend on 0.12.0. Reproducible: Always Steps to Reproduce:
No this is not a bug. The dependency atom is perfectly valid. You might want to read this document to understand how atoms are built in Gentoo. http://devmanual.gentoo.org/general-concepts/dependencies/index.html#version-dependencies Thanks