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From: Zack Weinberg <zackw@panix.com>
To: Stephen Lindholm <lindholm@CS.Stanford.EDU>
Cc: gcc@gcc.gnu.org
Subject: Re: Change in preprocessor behavior
Date: Sat, 04 Jan 2003 20:19:00 -0000	[thread overview]
Message-ID: <20030104201241.GA10143@panix.com> (raw)
In-Reply-To: <Pine.GSO.4.21.0212301419040.17036-100000@Xenon.Stanford.EDU>

On Mon, Dec 30, 2002 at 02:38:50PM -0800, Stephen Lindholm wrote:
> 
> The stringize and token-pasting operators seem to no longer work in the
> "cpp" phases of compilation, but they worked in "cpp" in early versions of
> gcc (2.95.3). I can't find it written that those operations must occur in
> phases 1-4, but # and ## are "preprocessing-op-or-punc" and it would seem
> that they should therefore be processed in phase 4.

Others have addressed why "cpp" on Mac OS X isn't behaving as you expect;
I would only like to add that "cc -E" or "gcc -E" should do what you want
with all versions of GCC and with a number of other Unix compilers as well.

zw

  parent reply	other threads:[~2003-01-04 20:12 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-12-30 20:53 Stephen Lindholm
2002-12-30 20:54 ` Neil Booth
2002-12-30 20:54   ` Stephen Lindholm
2003-01-02 21:04   ` Devang Patel
2002-12-30 20:54 ` Neil Booth
2003-01-02 20:42 ` Mike Stump
2003-01-02 21:02   ` Devang Patel
2003-01-04 20:19 ` Zack Weinberg [this message]
2002-12-31 10:24 Martin York
2022-06-21  0:34 Dave Blanchard
2022-06-21  7:28 ` Richard Biener
2022-06-21 12:57   ` Dave Blanchard

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