Arthur Hagen wrote:

> He wants to know how to do this in an *ebuild* -- in other words a package
> he can distribute, so that all clients who emerge that ebuild will get
> those flags added.

Ah, well. Then the question is best discussed on the gentoo-dev mailing
linst, since it seems that the flag-o-matic eclass can't help in this case
(short of ugly tricks like saving CFLAGS, changing flags as needed, and
restoring CFLAGS with the saved value).