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Date: Tue, 13 Feb 2001 15:23:13 -0500
From: Christopher Faylor <cgf AT redhat DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: Optimizing away "ReadFile" calls when Make calls stat()
Message-ID: <20010213152313.A12830@redhat.com>
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In-Reply-To: <200102131954.OAA09284@envy.delorie.com>; from dj@delorie.com on Tue, Feb 13, 2001 at 02:54:01PM -0500

On Tue, Feb 13, 2001 at 02:54:01PM -0500, DJ Delorie wrote:
>> But it does nothing at all for the "usual case" I'm trying to
>> optimize, which is Make stat()ing a file but never reading it.
>
>It does, because stat() reads the file twice, once to see if it's a
>symlink, and once to see if the executable bit needs to be set.

If it is actually doing this, then that's a bug.  I went to some effort
a year or so ago to do away with the second read.

cgf

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