Application deployed with QT5 libraries does not start on Windows 7

Question

Recently we have been migrating our QT based application on Windows from QT 4.8 to QT 5, and we have run into a issue with deployment. Note that our app has not changed, we

Answer 1

For me to run standalone "Hello World" gui application ( Qt sdk 5.0.1 mingw, Win7 x64 ). I need to add next files to program dir:

1. platforms/qwindows.dll
2. D3DCompiler_43.dll
3. icudt49.dll
4. icuin49.dll
5. icuuc49.dll
6. libEGL.dll
7. libgcc_s_sjlj-1.dll
8. libGLESv2.dll
9. libstdc++-6.dll
10. libwinpthread-1.dll
11. Qt5Core.dll
12. Qt5Gui.dll
13. Qt5Widgets.dll

The full deployment information for windows available at qt 5.5 doc

Answer 2

After several days of search with no progress, we stumbled upon a QT bug:

https://bugreports.qt.io/browse/QTBUG-28766

With QT5, in addition to expected QT libraries, msvcr100.dll, and msvcp100.dll; it turns out that you have to ship your application with:

platforms/qminimal.dll
platforms/qwindows.dll

as well. Which is found in your local QT5 library install @: \Qt5.0.0\5.0.0\msvc2010\plugins\platforms I searched everywhere, and I was unable to find this info in their documentation.