There are better ways to do this. For example you can just grep through the configure file, not having to invoke it, see the xorg-2.elass
Tom 2012/12/2 hasufell <hasuf...@gentoo.org>: > already filed a bug, but no response so far > https://bugs.gentoo.org/show_bug.cgi?id=444478 > > any comments? > > This is sane imo, cause some games herd developers don't agree with the > "always latest EAPI" thing which is no official policy anyway.