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Date:	Sat, 18 Jun 2005 11:45:11 -0400
From:	Christopher Faylor <cgf-no-personal-reply-please AT cygwin DOT com>
To:	cygwin AT cygwin DOT com
Subject:	Re: 1.5.17: problem building GNU screen
Message-ID:	<20050618154511.GB23351@trixie.casa.cgf.cx>
Reply-To:	cygwin AT cygwin DOT com
References:	<uoea630iy.wl%atara-y AT mx DOT scn DOT tv> <d90v40$rsl$1 AT sea DOT gmane DOT org>
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In-Reply-To:	<d90v40$rsl$1@sea.gmane.org>
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On Sat, Jun 18, 2005 at 07:10:08AM -0400, Andrew Schulman wrote:
>> I found a problem building GNU screen on cygwin 1.5.17.
>> Invoking ./configure leads to produce below error message.
>> 
>>>rm: cannot remove `conftext.exe': Permission denied.
>
>IIRC I encountered this problem during the test for a broken FIFO
>implementation.  As it turns out, Cygwin's FIFO implementation is
>broken (http://cygwin.com/ml/cygwin-apps/2005-04/msg00163.html), but
>the test in configure doesn't detect this.  So, my solution was just to
>remove this test from the configure script and set fifo= .  This also
>solved the leftover process problem.  Try applying the attached patch,
>and rerunning configure.

The fifo implementation has improved since that time however:

http://cygwin.com/ml/cygwin-announce/2005-04/msg00035.html

IMO, the posted check for fifos is flawed in that it assumes that
writing to a fifo will not block if there is no reader on the fifo.
That's not true for cygwin.

cgf

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