Re: [Mingw-w64-public] Thoughts on supporting the C++11 thread library on Windows

[Jonathan Wakely <jwakely dot gcc at gmail dot com>]

On 9 May 2012 17:28, Earnie Boyd wrote:
> On Wed, May 9, 2012 at 11:58 AM, K. Frank <kfrank29.c@gmail.com> wrote:
>> Again, I'm not all that big on backward compatibility, and, as noted
>> above, I don't understand what ?--enable-threads=win32 is for. ?But
>> my gut reaction is if that the gcc implementation (with
>> ?--enable-threads=win32) is sub-optimal, maybe it makes sense to
>> do it "right," even at the cost of backward compatibility.
>
> If you enable something new how does it affect backward compatibility?
> ?Perhaps with-in the coding itself, in that case the coding would need
> some method to know when it was different. ?If it is a run time or
> library compatibility issue my suggestion to all users using a new
> version of a compiler is to always rebuild the library with that
> compiler. ?It rarely gets done but it is the users detriment if they
> do not and then have issues; i.e. not a problem I worry about.

GCC already uses mutexes on Windows when using the "win32" thread
model, for its internal locking, but it doesn't provide std::mutex
yet.