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From: Marcus Shawcroft <marcus.shawcroft@gmail.com>
To: Olivier MARTIN <olivier@labapart.com>
Cc: Newlib Mailing List <newlib@sourceware.org>
Subject: Re: Building newlib for Cortex-M with LLVM
Date: Thu, 12 Nov 2015 11:17:00 -0000	[thread overview]
Message-ID: <CAFqB+Pwg=bP5idYRTDTLtjxNfZMvuf3KeyPSMKLiJQ+Y3Nnsiw@mail.gmail.com> (raw)
In-Reply-To: <8473a04381ff7d35caa7ea1e8eb08772@labapart.com>

On 11 November 2015 at 23:16, Olivier MARTIN <olivier@labapart.com> wrote:

> * The first one can be solved. The space in the call of CONCAT2(a, b) by
> CONCAT() is propagated into the subsequent calls. It means when the strings
> 'a' and 'b' are concatenated, the space is inserted between both strings -
> which is not the expected behaviour.
>
> The fix would be:
>
> --- a/newlib/libc/machine/arm/setjmp.S
> +++ b/newlib/libc/machine/arm/setjmp.S
> @@ -3,7 +3,7 @@
>     Nick Clifton, Cygnus Solutions, 13 June 1997.  */
>
>  /* ANSI concatenation macros.  */
> -#define CONCAT(a, b)  CONCAT2(a, b)
> +#define CONCAT(a, b)  CONCAT2(a,b)

Have you looked at the C standard on this issue? I wonder which
compiler, gcc or clang is not compliant with the standard.

Cheers
/Marcus

  reply	other threads:[~2015-11-12 10:05 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-11-12  4:11 Olivier MARTIN
2015-11-12 11:17 ` Marcus Shawcroft [this message]
2015-11-12 12:39   ` Clemens Ladisch
2015-11-12 13:46     ` Olivier MARTIN
2015-11-12 14:22       ` Richard Earnshaw
2015-11-12 15:33         ` Olivier MARTIN
2015-11-12 15:50     ` Richard Earnshaw
2015-11-12 15:56       ` Olivier MARTIN
2015-11-12 15:59 ` Richard Earnshaw
2015-11-12 22:42 ` Jonathan Roelofs
2017-06-15 10:52   ` Emmanuel Blot

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