Subject: Re: __STDC__ in cdefs_elf.h
To: None <firstname.lastname@example.org>
From: Garrett D'Amore <email@example.com>
Date: 09/08/2006 14:09:46
Thor Lancelot Simon wrote:
> On Fri, Sep 08, 2006 at 01:44:11PM -0700, Jason Thorpe wrote:
>> On Sep 8, 2006, at 1:24 PM, Thor Lancelot Simon wrote:
>>> This is because of one of my least-favorite bogosities about the GNU
>>> compilers: they implement C token pasting and stringification in the
>>> C language frontend instead of in the C preprocessor. This has
>>> annoyed me periodically for about a decade now; I wish it would annoy
>>> someone with more GCC clue sufficiently to fix it! :-)
>> What? Nonsense. Back when it had a separate C preprocessor, it was
>> certainly implemented there.
> Nope. I've been flummoxed by this problem with the GCC C preprocessor
> since approximately 1995. Ask erh if you don't believe me, we spent
> most of a day scratching our heads until we suddenly realized why the
> header files for our C-like (but with a different actual compiler)
> language weren't being handled properly by GCC's cpp.
> Get an old version of GCC and try it, if you want -- cc will get pasting
> and stringification, but no other user of cpp does, which is because the
> code to do it is not _in_ cpp, AFAICT.
Certainly that gibes with what I've seen in the assembler. Removing the
old K&R pasting (/**/) techniques breaks our assembler files.
I will file a gcc bug/complaint on it.
Garrett D'Amore, Principal Software Engineer
Tadpole Computer / Computing Technologies Division,
General Dynamics C4 Systems
Phone: 951 325-2134 Fax: 951 325-2191