[PATCH] PR c++/69462: Provide FLT_EVAL_METHOD and DECIMAL_DIG in float.h.

[Jonathan Wakely]

On 28/01/16 15:42 +0100, Jakub Jelinek wrote:
>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).

I've committed the attached version, wrapping the line.


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