marcandre.lureau@redhat.com writes:

> From: Marc-André Lureau <marcandre.lureau@redhat.com>
>
> Hi,
>
> This series makes the 'if' conditions less liberal, by formalizing a simple
> expression tree based on bare boolean logic of configure option identifiers.
>
> (this allows to express conditions in Rust in my QAPI-Rust PoC series)
>
> thanks

I like this overall.

The commit messages are rather terse in places.  I have a few questions,
I asked for a few minor tweaks, and I also noted a few possible
improvements that can be done on top.  I wonder whether we can drop
PATCH 04.

Let's discuss my findings, then decide whether we want a respin.