[Development] Qt 5.4 Mingw-4.9.1 offline package

[Cristian Adam]

Hi,

I've installed Qt 5.4 Mingw-4.9.1
(qt-opensource-windows-x86-mingw491_opengl-5.4.0.exe)
and I've noticed that the Qt Creator bundled with it was compiled with MSVC
2010 and had its
own version of Qt 5.4 MSVC 2010 DLLs (~100MB)

What is the reason for this?

Is Mingw-GCC 4.9.1 that bad, that a MSVC 2010 build of Qt Creator was
needed?

qt-opensource-windows-x86-msvc2013_opengl-5.4.0.exe - 694MB
qt-opensource-windows-x86-mingw491_opengl-5.4.0.exe - 852MB

Mingw-GCC is known to produce bigger binaries, but there is no reason to
bloat the
installer, right?

Cheers,
Cristian
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