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From: Dan Nicolaescu <dann@ics.uci.edu>
To: Eli Zaretskii <eliz@gnu.org>
Cc: emacs-devel@gnu.org
Subject: Re: parallel make bug
Date: Tue, 26 Jun 2007 22:29:52 -0700	[thread overview]
Message-ID: <200706270529.l5R5TuRb023636@oogie-boogie.ics.uci.edu> (raw)
In-Reply-To: <u7ipqnkp9.fsf@gnu.org> (Eli Zaretskii's message of "Wed\, 27 Jun 2007 06\:24\:34 +0300")

Eli Zaretskii <eliz@gnu.org> writes:

  > > From: Dan Nicolaescu <dann@ics.uci.edu>
  > > Date: Tue, 26 Jun 2007 14:10:05 -0700
  > > 
  > > 
  > > Doing make -j8 bootstrap  on a 2 processor machine:
  > > 
  > > Directories: /home/dann/emacs/Emacs-CVS/emacs/lisp/. /home/dann/emacs/Emacs-CVS/emacs/lisp/./eshell /home/dann/emacs/Emacs-CVS/emacs/lisp/./mail /home/dann/emacs/Emacs-CVS/emacs/lisp/./language /home/dann/emacs/Emacs-CVS/emacs/lisp/./emacs-lisp /home/dann/emacs/Emacs-CVS/emacs/lisp/./calc /home/dann/emacs/Emacs-CVS/emacs/lisp/./gnus /home/dann/emacs/Emacs-CVS/emacs/lisp/./textmodes /home/dann/emacs/Emacs-CVS/emacs/lisp/./net /home/dann/emacs/Emacs-CVS/emacs/lisp/./mh-e /home/dann/emacs/Emacs-CVS/emacs/lisp/./calendar /home/dann/emacs/Emacs-CVS/emacs/lisp/./progmodes /home/dann/emacs/Emacs-CVS/emacs/lisp/./erc /home/dann/emacs/Emacs-CVS/emacs/lisp/./international /home/dann/emacs/Emacs-CVS/emacs/lisp/./emulation /home/dann/emacs/Emacs-CVS/emacs/lisp/./url /home/dann/emacs/Emacs-CVS/emacs/lisp/./play
  > > Compiling /home/dann/emacs/Emacs-CVS/emacs/lisp/emacs-lisp/byte-opt.el
  > > IO error reading /home/dann/emacs/Emacs-CVS/emacs/lisp/subdirs.el: Input/output error
  > > make[2]: *** [autoloads] Error 255
  > > make[2]: *** Waiting for unfinished jobs....
  > > 
  > > Is there any reason $(lisp)/subdirs.el should start a recursive make
  > > instead of just depending on update-subdirs like in the patch below?
  > 
  > Is there a reason for the I/O error?  I don't see why it should
  > happen; do you?

For bootstrap, update-subdirs and autoloads can execute in
parallel. autoloads will run another make to do update-subdirs.
If "autoloads" creates subdirs.el first while "update-subdirs" is not
running, it is possible that later "update-subdirs" deletes subdirs.el
while "autoloads" is using it. Am I off base here? 

  reply	other threads:[~2007-06-27  5:29 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-06-26 21:10 parallel make bug Dan Nicolaescu
2007-06-27  1:28 ` Stefan Monnier
2007-06-27  1:59   ` Dan Nicolaescu
2007-06-27  2:31     ` Stefan Monnier
2007-06-27  3:24 ` Eli Zaretskii
2007-06-27  5:29   ` Dan Nicolaescu [this message]
2007-06-27  9:06     ` Andreas Schwab
2007-06-27 16:15       ` Dan Nicolaescu
2007-06-27 17:03         ` Andreas Schwab
2007-06-28  1:30           ` Dan Nicolaescu
2007-06-27 17:57     ` Eli Zaretskii
  -- strict thread matches above, loose matches on Subject: below --
2008-08-01 16:57 Chip Coldwell

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