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From: Paul Eggert <eggert@cs.ucla.edu>
To: bruce.connor.am@gmail.com, Glenn Morris <rgm@gnu.org>
Cc: 20887@debbugs.gnu.org
Subject: bug#20887: 'make bootstrap' now verrrry slow due to recent isearch changes
Date: Wed, 24 Jun 2015 06:36:16 -0700	[thread overview]
Message-ID: <558AB250.5040908@cs.ucla.edu> (raw)
In-Reply-To: <CAAdUY-JccFPdWeodbZj1rXHJgEkwtsa7CViZeA97Qniw8Lg2uA@mail.gmail.com>

Artur Malabarba wrote:
> Does anyone know what could cause these 4 seconds to become 5 min
> during bootstrap?

I'm not sure, but during bootstrap, the compiler hasn't been compiled yet; it's 
being interpreted.  So it's very slow.  The build process attempts to compile 
the compiler first, so that the rest of the build finishes faster, but the early 
part of the bootstrap must be done with a slow compiler.

> Does bootstrap compile the file 60 times? =P

Yes, it seems so.  With a slow compiler.  It takes hours.  It's really bad.

Please try the recipe I gave Glenn:

rm -f src/bootstrap-emacs src/emacs $(find . -name '*.elc')
make






  reply	other threads:[~2015-06-24 13:36 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-06-24  1:35 bug#20887: 'make bootstrap' now verrrry slow due to recent isearch changes Paul Eggert
2015-06-24  7:06 ` Glenn Morris
2015-06-24  7:52   ` Artur Malabarba
2015-06-24 13:36     ` Paul Eggert [this message]
2015-06-24 14:28       ` Artur Malabarba
2015-06-24 15:05         ` Eli Zaretskii
2015-06-24 15:19           ` Eli Zaretskii
2015-06-24 17:18             ` Artur Malabarba
2015-06-24 19:14               ` Eli Zaretskii
2015-06-24 20:05                 ` Artur Malabarba
2015-06-24 23:17                   ` Artur Malabarba
2015-06-24 23:37                     ` Artur Malabarba
2015-06-25 15:03                       ` Eli Zaretskii
2015-06-25 17:32                         ` Artur Malabarba
2015-06-26  7:52                           ` Eli Zaretskii
2015-06-26 11:41                             ` Artur Malabarba
2015-06-26 13:32                               ` Eli Zaretskii
2015-06-24 17:15           ` Glenn Morris
2015-06-24 17:38             ` Artur Malabarba
2015-06-24 15:55     ` Glenn Morris
2015-06-24 13:31   ` Paul Eggert
2015-06-24 15:58     ` Glenn Morris
2015-06-25  2:48       ` Paul Eggert
2015-06-25 23:21         ` Glenn Morris

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