Efraim Flashner <efraim@flashner.co.il> writes:

> I'm pretty sure this parses (guix environment guix -- ad-hoc zlib --
> ./bootstrap) && ./configure --localstatedir=/var && make

You're absolutely right.  I can't believe I made such a silly mistake!
Thank you for lending me a second pair of eyes.  :-)

I'm closing this bug report.

-- 
Chris