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Re: patch to support output synchronization under -j

From: Stefano Lattarini
Subject: Re: patch to support output synchronization under -j
Date: Fri, 15 Apr 2011 16:33:24 +0200
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Hello everybody.

On Friday 15 April 2011, Eli Zaretskii wrote:
> Btw, there will be other side effects, at least on non-Posix
> platforms, due to the fact that stuff that was supposed to go to the
> screen is redirected to a file instead.  Some programs sense that and
> behave differently, e.g. with binary non-printable characters or with
> special character sequences.  By redirecting the output to files, then
> displaying it on the screen, the output may look strangely, or have
> some more grave effect, like terminating output prematurely.  We
> should consider these potential problems, and in any case the simple
> loop that reads from temporary files and writes to stdout/stderr may
> need to become much more complicated, at least on DOS/Windows.  (I
> believe similar, though less serious, problems could happen on Unix as
> well.)
For a real-life example of a (minor) problem of this kind that we have
encountered in Automake, see:


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