On Mon, Aug 6, 2018 at 3:35 PM Vadim A. Misbakh-Soloviov
<gentoo@mva.name> wrote:
>
> В письме от понедельник, 6 августа 2018 г. 22:13:49 MSK пользователь Ulrich
> Mueller написал:
> > >>>>> On Mon, 6 Aug 2018, Mike Gilbert wrote:
> > > -DEPEND="virtual/pkgconfig"
> > > +if [[ ${EAPI} == [0123456] ]]; then
> >
> > This should use ${EAPI:-0} because for EAPI 0 the variable can be
> > empty.
> >
> > > +   DEPEND="virtual/pkgconfig"
> > > +else
> > > +   BDEPEND="virtual/pkgconfig"
> > > +fi
>
> And how about "-le"/"-lt"/"-ge"/"-gt"/"-eq" syntax?
> Or even ((EAPI<7))?
> Are they forbidden to use in eclasses?

If I recall correctly, EAPI values are not required to be numeric, and
are not required to increase in any predictable manner. They only do
so by convention.

> Anyway, I think, it is possible to add something like "EAPI=${EAPI:-0}"
> somewhere at the top of eclass, to don't call "${EAPI:-0}" each time when EAPI
> variable is needed.

Re-assigning EAPI within an eclass seems like a bad idea to me.

A better solution would be to ban ebuilds with no defined EAPI, but
that's outside the scope of this patch.