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Re: CHECK_STRUCTS/dmpstruct.h mechanism is broken.

From: Noam Postavsky
Subject: Re: CHECK_STRUCTS/dmpstruct.h mechanism is broken.
Date: Fri, 12 Apr 2019 09:58:17 -0400

On Fri, 12 Apr 2019 at 09:37, Alan Mackenzie <address@hidden> wrote:

> > I just now timed it, and './configure' took 29 real-time seconds
> > whereas 'cd lisp; make -j16 compile-always' took 38 real-time seconds;
> > this was with two circa-2013 Xeon E5-2640 v2 CPUs with 8 cores each.
> > So on a 32-core platform, I expect ./configure to take longer than
> > byte-compiling all the Lisp files - i.e., 'configure' is ridiculously
> > slow.
> For the record, the slowness of `configure' irritates me, too.

For the record, I use the --cache-file option, and `configure' runs in
2 real-time seconds. I use separate cache files per configuration, it
works pretty well.

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