From: Eli Zaretskii <eliz@gnu.org>
To: Dan Nicolaescu <dann@gnu.org>
Cc: emacs-devel@gnu.org
Subject: Re: <sys/ioctl.h> on msdos
Date: Sat, 20 Nov 2010 11:08:35 +0200 [thread overview]
Message-ID: <83eiagbbvw.fsf@gnu.org> (raw)
In-Reply-To: <yxqeiagbfzt.fsf@fencepost.gnu.org>
> Cc: emacs-devel@gnu.org
> From: Dan Nicolaescu <dann@gnu.org>
> Date: Sat, 20 Nov 2010 02:39:50 -0500
>
> Are you sure that including sys/ioctl.h unconditionally has some bad effects?
No, I'm not. It's just good engineering practice.
> Is HAVE_SYS_IOCTL_H currently defined?
Yes. It's defined by one of the system headers included by config.h
(after config.in is edited by msdos/sed2v2.inp).
> If yes, then it seems that the only extra places to include sys/ioctl.h would be
> keyboard.c and sound.c.
sound.c doesn't matter, since MSDOS does not define HAVE_SOUND (so we
can remove that part altogether from sound.c).
Are you planning on removing HAVE_SYS_IOCTL_H altogether and not
testing for it in `configure'? Because if HAVE_SYS_IOCTL_H is to
stay, there could be no harm in undefining HAVE_SYS_IOCTL_H on MSDOS:
it will be in on of the msdos/ Sed scripts, not visible in any of the
Emacs sources. We will just replace a couple of "#ifndef MSDOS" with
"#ifdef HAVE_SYS_IOCTL_H".
If you do want to remove HAVE_SYS_IOCTL_H, then I guess it would be
okay to remove the MSDOS conditions from the places that include
sys/ioctl.h, and see if anything breaks.
next prev parent reply other threads:[~2010-11-20 9:08 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-18 4:42 <sys/ioctl.h> on msdos Dan Nicolaescu
2010-11-18 10:26 ` Eli Zaretskii
2010-11-19 17:54 ` Eli Zaretskii
2010-11-20 7:39 ` Dan Nicolaescu
2010-11-20 9:08 ` Eli Zaretskii [this message]
2010-11-21 4:40 ` Dan Nicolaescu
2010-11-21 17:45 ` Eli Zaretskii
2010-11-26 12:17 ` Eli Zaretskii
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