How to deploy Qt applications?

Question

Qt

Brief description of the situation:
0) The Qt5.7 library was built using the x86_64-w64-mingw32-g++ cross-compiler on Ubuntu 16.04 LTS OS (and quite successfully checked it on the conditional graphical "Hello World").
1) Along with Qt5.7, the "windeployqt" utility was assembled in a very interesting way (see screenshot).

2) Environment variables are set. The "windeployqt" utility is in place at the specified path. I enter a command. And the result:

[email protected]:~/proj/untitled111/build-untitled111-Qt_5_7_0_i686_cross_compile_shared-Debug/debug$ windeployqt .
Unable to find dependent libraries of /home/artyom/proj/untitled111/build-untitled111-Qt_5_7_0_i686_cross_compile_shared-Debug/debug/untitled111.exe :Not implemented.

Those. no matter how it defines this file as a Windows executable and does not find the libraries.
And here the question arises:
How, in this case, to deploy Qt applications? Well, in order to immediately place all the DLL libraries next to the EXE file in Ubuntu.

Answer 1

Write your own script?

Answer 2

Read about building deb packages that are used in debian systems, in particular in ubuntu