[Development] Choosing a new MinGW for Qt 5

[Peter Kümmel]

On 30.08.2012 18:16, Thiago Macieira wrote:
> On quinta-feira, 30 de agosto de 2012 17.25.24, Pau Garcia i Quiles wrote:
>> There are more differences than that. There are differences in
>> features, such as threading support, large-file support, etc.
>> Mingw-w64 is usually ahead of any other in terms of features.
>
> My suggestion on how to proceed is to choose one that offers the following or
> most of the following:
>
>   - most recent GCC (4.7 preferably, 4.6 if not)
>   - *working* GDB and tested with Creator, with Python support
>   - large file support, threading

What is the problem with the current thread support in mingw?

>   - zero-overhead exceptions (no SJLJ exceptions)
>   - standard win32 headers, if possible using the Platform SDK headers

Is this possible? Aren't these headers full with MS's extensions to C++?

>   - large set of win32 import libraries

Has nothing to do with the compiler.
But maybe we could work together with KDE on Windows.

>   - 32 and 64-bit in one package

Not released by mingw-w64.

>   - make with -j support
>   - if this exists: can link to .dll directly, instead of import libs
>
> We should choose one version to be the reference platform and work on making
> it Tier 1. We shouldn't have two versions, that duplicates work.
>
>
>
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