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From: "Andrej Borsenkow" <Andrej DOT Borsenkow AT mow DOT siemens DOT ru>
To: <cygwin AT cygwin DOT com>, <jjarvie AT newsguy DOT com>
Subject: RE: autoconf error with /dev/ptmx
Date: Fri, 20 Jul 2001 17:49:27 +0400
Message-ID: <001b01c11122$caf998c0$21c9ca95@mow.siemens.ru>
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>
> > I've got a strange problem compiling stunnel-3.15
> >
> > configure calls the following checks:
> >
> > AC_CHECK_FILE("/dev/ptmx", AC_DEFINE_UNQUOTED(HAVE_DEV_PTMX))
> > AC_CHECK_FILE("/dev/ptc", AC_DEFINE_UNQUOTED(HAVE_DEV_PTS_AND_PTC))
> >
> > The first check succeeds(!) and the second fails.
>
> That's because cygwin has a virtual /dev/ptmx and no /dev/ptc. You are
> getting the correct results.
>

Yes, the check breaks on cygwin. May be, replacing it with AC_TRY_RUN a
pogram that contains

open("/dev/ptmx", O_RDWR)

would be a better idea (and it will have the same implication on cross
compiling).

> > ls -al /dev gives:
> >
> > total 0
> > srwxrwxrwx    1 Administ None           15 Jun 19  2000 log
> > crw-rw-rw-    1 Everyone Everyone  19,   0 Jul 20  2001 null
>

Somebody has created them but cygwin does not use these files.

-andrej


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