[Releasing] MinGW 4.8.1 upgrade for 5.2 - InterlockedCompareExchange conflict

Thiago Macieira thiago.macieira at intel.com
Tue Sep 3 20:35:08 CEST 2013

On terça-feira, 3 de setembro de 2013 12:25:14, Koehne Kai wrote:
> Recompiling 5.1.0 and 5.1.1 packages with gcc 4.8.1 isn't an option, since a
> stock 5.1.1 already requires patches to work with the latest MiNGW-w64
> headers. But what we can do is shipping a MinGW 4.8.1 package along the
> 4.7.4, 4.8.0 toolchains. The biggest problem (apart from the additional
> download in the online installer) with this is that the package name,
> toolchain name in Creator, file folders etc do contain any patch version
> number so far ... so it would be 'MinGW 4.8.1' along 'MinGW 4.8'  and
> 'MinGW 4.7'.
> Thoughts on this? I don't have any killer  bug that would force us to
> upgrade until now ... From looking at http://gcc.gnu.org/develop.html I'd
> estimate that a gcc 4.9.0 will be released around March 2014, which might
> be just in time for Qt 5.3 then, so an option is indeed to stay with the
> current mingw-builds 4.8.0 for 5.2.

Looks like this only affects the v2.0.8 headers. Is that what we used for Qt 
5.1.x releases?

Are the 5.0.x binaries compatible with the runtime we shipped with Qt 5.1.x?

Thiago Macieira - thiago.macieira (AT) intel.com
  Software Architect - Intel Open Source Technology Center
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