[Development] Proposal: Use -qt-zlib configuration in official MinGW builds

[Kai Koehne]

> -----Original Message-----
> From: Development [mailto:development-bounces+kai.koehne=qt.io at qt-
> project.org] On Behalf Of Konstantin Tokarev
> Sent: Monday, November 28, 2016 3:11 PM
> To: development at qt-project.org
> Subject: [Development] Proposal: Use -qt-zlib configuration in official
> MinGW builds
> 
> Hello,
> 
> Currently, MinGW builds in Coin use -system-zlib configuration. It happens
> because MinGW is shipped with zlib headers and libz.a. However, linking zlib
> to several Qt modules (at least, QtCore, QtGui, QtNetwork, and QtSvg) is
> suboptimal, while with -system-zlib one copy in QtCore is shared between all
> modules.

I think this is a good idea.

Could you create a suggestion for this on bugreports.qt.io, component "Packaging & Installer" (https://bugreports.qt.io/browse/QTBUG/component/19211) ?

Thanks

Kai