How to deal with circular BuildRequires ?

[Tom Lane]

"Jonathan Underwood" <jonathan.underwood at gmail.com> writes:
> Tom Tromey and I are working on packaging bbdb for Emacs (see BZ
> 226800). However, there is a circular BuildRequires. In order that the
> Emacs mailreader VM (packaged as emacs-vm) and bbdb integrate
> properly, we need to have a BuildRequires: emacs-vm-el in the
> emacs-bbdb package, and we need to have a BuildRequires: emacs-bbdb-el
> in the emacs-vm package. In other words, both packages require the
> elisp source of the other to be present at build time.

> Is there an established way of solving this chicken and egg situation?

If no better idea presents itself, you could have a single SRPM
generating both RPMs.  IOW, merge bbdb into the existing emacs-vm SRPM.
Version numbering would be a problem though.

			regards, tom lane