[Patch] Remove _GLIBCXX_HAVE_BROKEN_VSWPRINTF from (was Re: GCC 4.8.0 Status Report (2012-10-29), Stage 1 to end soon)

[Jonathan Wakely]

On 31 October 2012 11:23, JonY wrote:
> On 10/31/2012 19:12, Jonathan Wakely wrote:
>>
>> It looks like the workaround is in mingw not in GCC, so is it a
>> problem that it won't be possible to use GCC 4.8 with existing mingw
>> versions, or are users required to use a brand new mingw to use a new
>> GCC?  Should that be documented in
>> http://gcc.gnu.org/gcc-4.8/changes.html ?
>>
>
> They are required to use the latest mingw-w64, the problem was that the
> vfswprintf that libstdc++ expects isn't the same as the one MS provides,
> so I've wrote a redirector to use the vsnwprintf, more precisely, the
> mingw C99 compliant __mingw_vsnwprintf.
>
> std::to_wstring and std::to_string work according to some simple tests.

Excellent, the testsuite should automatically start running the
relevant tests and we should be able to close
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52015

> I guess the current comment about require mingw-w64 trunk at least r5437
> is OK for the changes page. It should probably note that this change is
> mingw-w64 specific, with w64 as the vendor key.

i.e. *-w64-mingw* ?  Or is *-w64-mingw32 more accurate?  (I don't
really know how the mingw target triplets work, sorry!)

I'll put something in the changes page later.

Thanks for fixing this.