Re: build infrastructure for extensions v3

Bruce Momjian wrote:
> Wow, that is a big patch.
>
> Your patch has been added to the PostgreSQL unapplied patches list
> at:
>
>     http://momjian.postgresql.org/cgi-bin/pgpatches
>
> I will try to apply it within the next 48 hours.

ISTM that this version still does not allow building contrib without
having installed pg_config first.  That is a no-no.