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Re: m4-1.4.10 breaking autoconf?

From: Eric Blake
Subject: Re: m4-1.4.10 breaking autoconf?
Date: Sat, 21 Jul 2007 10:30:38 -0600
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According to Thomas Klausner on 7/21/2007 12:14 AM:
> I can reproduce this problem with m4's configure script.
> The file created by running 'autoconf' is just 35354 bytes long, while
> the one distributed with the m4-1.4.10 tarball is 647263.

The difference is more than 512k; I'm now pretty sure that the problem is
that a diversion exceeded the 512k limit, and was stashed to a temporary
file, but then when it was time to flush all diversions on exit, that the
temporary file is not being read correctly.  I'm not sure what is going
wrong here; we may need strace output (although that will be rather large,
since we are dealing with a half-meg temporary file holding a diversion)
to help see where things went wrong.  Let me play with this some more
(hopefully the config.log output will shed some light on things first),
and see if I can come up with a better command line for you to strace.

- --
Don't work too hard, make some time for fun as well!

Eric Blake             address@hidden
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