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[Emacs-bug-tracker] bug#4196: closed (Parallel bytecomp may sometimes fa


From: GNU bug Tracking System
Subject: [Emacs-bug-tracker] bug#4196: closed (Parallel bytecomp may sometimes fail)
Date: Sat, 11 Sep 2010 18:52:01 +0000

Your message dated Sat, 11 Sep 2010 14:53:50 -0400
with message-id <address@hidden>
and subject line Re: bug#4196: Parallel bytecomp may sometimes fail
has caused the GNU bug report #4196,
regarding Parallel bytecomp may sometimes fail
to be marked as done.

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address@hidden)


-- 
4196: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=4196
GNU Bug Tracking System
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--- Begin Message --- Subject: Parallel bytecomp may sometimes fail Date: Mon, 17 Aug 2009 21:52:58 -0400
Apparently, parallel byte-compilation may sometimes fail, if one
process tries to read an .elc file that another process is writing.

http://lists.gnu.org/archive/html/emacs-devel/2009-08/msg00294.html

Two solutions were suggested for this:

1) Prefer the .el files when byte-compiling. This is similar to a
feature that has been requested already (#2061), but using it in this
instance would change the way byte-compilation works (not that it
should have any measurable affect, other than a slowdown).

2) Write the .elc file to a temp file, then move it into position in a
single operation.


--- End Message ---
--- Begin Message --- Subject: Re: bug#4196: Parallel bytecomp may sometimes fail Date: Sat, 11 Sep 2010 14:53:50 -0400 User-agent: Gnus (www.gnus.org), GNU Emacs (www.gnu.org/software/emacs/)
Version: 24.1

Hopefully fixed by this change:

2010-09-11  Glenn Morris  <rgm at gnu.org>

  * emacs-lisp/bytecomp.el (byte-compile-file): Create .elc files
  atomically, to avoid parallel build errors.


--- End Message ---

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