Ar an chéad lá de mí Lúnasa, scríobh Raymond Toy:

 > I'm unable to build the latest version of xemacs.  temacs fails with this
 > message.  This happens on a recent debian build and also Fedora 28.
 >
 >   # (unwind-protect ...)
 >   (null (function-max-args (quote throw)))
 > [...]

Your compiled Lisp needs to be rebuilt--there was a byte compiler change
that prevents this error in changeset 06e4b596dc40 of April.

We should probably make all the .el files dependencies of bytecomp.el and
byte-optimize.el to prevent this going forward.

--
‘As I sat looking up at the Guinness ad, I could never figure out /
How your man stayed up on the surfboard after forty pints of stout’
(C. Moore)