Installation and Deployment

during the equivalent of a "make install" yes, that will work during make install. While a "normal build" should not deploy, you can use QMAKE_EXTRA_TARGETS to achieve your result

Hi and welcome to devnet, The perl problem is known, see QTBUG-58615. I don't know about the MinGW problem you are encountering.

@mattj You need to deploy your app with all needed libraries and plug-ins. See http://doc.qt.io/qt-5/linux-deployment.html

thanks a lot for help i already solved it. I just deleted the old compiler added new set same path and restart QT finally it works :)

To add to @SGaist you may also want to have a look at adding a custom target for your dependencies, assuming they're external to your application.

Thank you @SGaist. Sorry for this stupid mistake. I'll try with this and compile QT on mac. Thanks again

@jsulm Many Thanks! Finally it works! I had to handle moc by myself. However I also had to include the moc_Myfile.cpp files in to the solution and change its property Precompiled Header (right click to the project->Properties->C/C++->Precompiled Headers) to Not Using Precompiled Headers Thanks in advance! Massi

Hi and welcome to devnet, I think you are looking for the Booting to a custom application chapter of Qt's documentation.

I do not know :) You don't know what you want to do? It's gonna be difficult to help you do that then ;) The Visual C++ installation directory doesn't look healthy. There should be a lot more files and folders in that directory. The C++ compiler is missing (it's cl.exe). How did you install Visual Studio? Have you selected C++ components during installation or just went with the defaults? If I remember correctly VS installer does not have C++ selected by default (only the C#/.Net stuff). Run the Visual Studio installer again and make sure you select C++ components. As for Qt - you installed Qt packages for all the supported versions of Visual Studio so to make them all usable you'd have to install Visual Studio 2015 and 2013. You also have two versions of Qt there 5.7 and 5.8. All this is getting you nowhere and wastes a lot of your time and hard drive space. Start with figuring out what you want to do exactly (desktop? mobile? which platforms?) and install only the package you actually need. I doubt you need them all.

Not a silly question, but yes I did.

Windows: https://pythonschool.net/pyqt/installing-pyqt-on-windows/ Mac: https://pythonschool.net/pyqt/installing-pyqt-on-mac-os-x/ Ubuntu: http://www.saltycrane.com/blog/2008/01/how-to-install-pyqt4-on-ubuntu-linux/

@isaac321 Thanks for making sure to post the answer when you found it for others who might come along. :)

@Ram_Thakkar77 It sounds like you just don't understand linux properly. It isn't that it is harder than windows (and in a lot of cases it's actually easier), it's just that you don't understand how the program is run and how ld finds your libraries. There's a term in windows called dll hell which I'm sure you've heard. You are basically just running into a similar situation in Linux but have no idea how it works or how to solve it. I recommend you stick with it as once you figure it out it's quite easy. The info p3c0 and jsulm gave should have helped you get your distribution ready, but you kept missing libraries and not setting your custom LD path properly. If you do this correctly it is not only quite easy but can all be easily automated in a small bash script. I definitely wouldn't blame Qt for this as you have a "distributing linux binary" problem, not a Qt one. That would have happened to you no matter what development toolkit you used. It has nothing to do with Qt at all.

an answer 4 years ago ..and now took me out of rough rush of 2 hours...Thank geeks

BTW, next time, please give your thread a meaningful title. Also choosing the best fitting subforum is highly appreciated. And when your problem is solved, mark the thread accordingly. We have a small visual forum guide for newcomers: Hitchhiker's Visual Guide to the Qt Forum and there is also the Forum general guide. One more thing: The image upload feature on our forum is broken, see How to insert image on this forum for a workaround. :-)

@Zigjaz You could try to update graphics driver on that machine

@jsulm Thanks! i'll continue there!

@maroney Wow... I hate it when it ends up being hardware related. It's something I almost never suspect because it is so rare and so hard to track down. Glad you got it fixed though. :)

In case anyone cares, the resolution was to move calls to QCoreApplication::addLibraryPath() to before the QApplication is created. Qt4.8.7 did not care but Qt5.8 does.

Small note, it was due to a missing sysroot and needed the -no-opengl switch since the linaro sysroot does not contain the OpenGL enabler for the BBB.