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To: Richard.Earnshaw@arm.com
Cc: "Kaveh R. Ghazi" <ghazi@caip.rutgers.edu>, obrien@NUXI.com,
	aldyh@redhat.com, gcc@gcc.gnu.org, jsm28@cam.ac.uk, shebs@apple.com
Subject: Re: GCC Steering Committee decision on ISO C conversion
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X-Yow: Uh-oh!!  I forgot to submit to COMPULSORY URINALYSIS!
From: Andreas Schwab <schwab@suse.de>
Date: Fri, 28 Jun 2002 11:31:00 -0000
In-Reply-To: <200206281635.RAA18883@cam-mail2.cambridge.arm.com> (Richard
 Earnshaw's message of "Fri, 28 Jun 2002 17:35:27 +0100")
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Richard Earnshaw <rearnsha@arm.com> writes:

|> ghazi@caip.rutgers.edu said:
|> > And I'll let you in on a little secret.  I believe the HP's
|> > traditional compiler *understands* string concatenation!
|> 
|> > Why do I say this?  Because libiberty/regex.c uses it an no one has
|> > complained.  Maybe someone can confirm this... 
|> 
|> Actually, regex.c has:
|> 
|> #  if defined (__STDC__) || defined (ALMOST_STDC) || defined 
|> (HAVE_STRINGIZE)
|> #   define PREFIX(name) wcs_##name
|> #   define ARG_PREFIX(name) c##name
|> #  else
|> #   define PREFIX(name) wcs_/**/name
|> #   define ARG_PREFIX(name) c/**/name
|> #  endif

That's token pasting, not string concatenation.  You cannot emulate the
latter in pre-standard compilers.

Andreas.

-- 
Andreas Schwab, SuSE Labs, schwab@suse.de
SuSE Linux AG, Deutschherrnstr. 15-19, D-90429 Nürnberg
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