How to properly build QT 64 bit version

[Zelda4]

Am wondering how can we build QT 64 bit from source because officially QT not provide QT 64 bit Installer not sure why ???

i tried to build GT from source on mingw-64 bit compiler and it build but its missing main thing QTcreater.exe ?

so here what i did correct my guys if am missing something or did any thing wrong.

cd C:\QT64\source
git clone git://code.qt.io/qt/qt5.git   # cloning the repo
cd qt5
git checkout 5.14.2   # checking out the specific release or branch
perl init-repository 

# now configure and install

configure -debug -nomake examples -nomake tests -skip qtwebengine -opensource -opengl desktop

# after configuration it say it will install it C:\QT\5.14.2  folder

mingw32-make install

so it installed Qtdesigner into C:\QT\5.14.2 but there is no C:\QT\Tools\QTcreator folder which is main thing where Qtcreator.exe should be

[jsulm]

@Zelda4 Just use the online installer and then select a 64bit Qt there during installation.
https://www.qt.io/download-thank-you?os=windows&hsLang=en

[SGaist]

Hi,

The installer might be 32bit but that's only the installer. Qt provides several 64 bit pre-built binary packages. These are unrelated.

As for Qt Creator, it's an independent project. If you want to build it by hand, clone the corresponding repository.

[Zelda4]

@SGaist said in How to properly build QT 64 bit version:

Qt provides several 64 bit pre-built binary packages

can you share download link to them , as i have to work with opencv its build for 64 bit , was not failing 32 bit build so have to upgrade my QT to 64 bit to work with opencv 64 bit build

thanks

[jsulm]

@Zelda4 Just use the online installer and then select a 64bit Qt there during installation.
https://www.qt.io/download-thank-you?os=windows&hsLang=en

[Zelda4]

@Zelda4 ok thanks

[Zelda4]

@jsulm i used online compiler and selected 64 bit MSV 2017 and minGw 64 bit compiler , but still it installed QTcreator 32 bit ?? am wondering its ok or will be problematic in future because if i have to place QT dlls with my app it will be of 32 bit instead of 64 bit

screenshot :

compilers are 64 bit and about messagebox showing 32bit

[SGaist]

The architecture of the IDE and the one from your application are not related.

[jsulm]

@Zelda4 As already explained: the architecture of the installer or the QtCreator IDE are completely unrelated! Why do you care?
Use Qt 64bit you installed to build your application and you will get a 64bit app...