This is the mail archive of the
gcc-patches@gcc.gnu.org
mailing list for the GCC project.
Re: [PATCH] PR c++/69462: Provide FLT_EVAL_METHOD and DECIMAL_DIG in float.h.
- From: Jakub Jelinek <jakub at redhat dot com>
- To: Jonathan Wakely <jwakely at redhat dot com>
- Cc: vogt at linux dot vnet dot ibm dot com, gcc-patches at gcc dot gnu dot org, Andreas Krebbel <krebbel at linux dot vnet dot ibm dot com>
- Date: Thu, 28 Jan 2016 15:42:26 +0100
- Subject: Re: [PATCH] PR c++/69462: Provide FLT_EVAL_METHOD and DECIMAL_DIG in float.h.
- Authentication-results: sourceware.org; auth=none
- References: <20160128124012 dot GA19249 at linux dot vnet dot ibm dot com> <20160128133218 dot GZ15084 at redhat dot com>
- Reply-to: Jakub Jelinek <jakub at redhat dot com>
On Thu, Jan 28, 2016 at 01:32:18PM +0000, Jonathan Wakely wrote:
> On 28/01/16 13:40 +0100, Dominik Vogt wrote:
> >The attached patch (written by Jonathan, not me) makes
> >FLT_EVAL_METHOD and DECIMAL_DIG available in C++-11 as they should
> >be.
> >
> >https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69462
> >
> >Can this be committed (should it wait for stage1)?
>
> I've just noticed we should also do the following, although this can
> definitely wait for stage 1 as it works fine as is (unlike Dominik's
> <float.h> case which is a conformance bug).
>
> --- a/gcc/ginclude/stdarg.h
> +++ b/gcc/ginclude/stdarg.h
> @@ -47,7 +47,7 @@ typedef __builtin_va_list __gnuc_va_list;
> #define va_start(v,l) __builtin_va_start(v,l)
> #define va_end(v) __builtin_va_end(v)
> #define va_arg(v,l) __builtin_va_arg(v,l)
> -#if !defined(__STRICT_ANSI__) || __STDC_VERSION__ + 0 >= 199900L || defined(__GXX_EXPERIMENTAL_CXX0X__)
> +#if !defined(__STRICT_ANSI__) || __STDC_VERSION__ + 0 >= 199900L || __cplusplus + 0 >= 201103L
> #define va_copy(d,s) __builtin_va_copy(d,s)
> #endif
> #define __va_copy(d,s) __builtin_va_copy(d,s)
This is ok, but please fix up the formatting (avoid too long line).
Jakub