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Re: -undef in mig's cppflags

From: Marcus Brinkmann
Subject: Re: -undef in mig's cppflags
Date: Sat, 29 Dec 2001 04:57:49 +0100
User-agent: Mutt/1.3.24i

On Fri, Dec 28, 2001 at 10:41:28PM -0500, Roland McGrath wrote:
> It's set to cat because we're using migcom on cpp output here.

Ah, ok.

> > A third possibility is to drop the -undef again, because it does not work
> > anyway (i386 is still defined to 1 in gcc).  Roland, you did this change,
> > what do you think?
> Harumph.  I thought I tested -undef at the time and it dtrt.
> I thought some <mach/i386/foo.defs> include got broken if it didn't.

marcus@stampede:~$ cpp -E -undef -dM /dev/null
#define __i386__ 1
#define __i386 1
#define i386 1

It drops linux and unix, but not i386.  The include got broken, but that was
in a change to gnumach's I/O bitmap frobbing that never went into the CVS,
and probably never will.


`Rhubarb is no Egyptian god.' Debian http://www.debian.org brinkmd@debian.org
Marcus Brinkmann              GNU    http://www.gnu.org    marcus@gnu.org

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