A change in Qt 5.11_beta3 leads to errors
Arch GNU/Linux
CMake Error at src/libqtdbusmock/CMakeLists.txt:194 (qt5_use_modules):
Unknown CMake command "qt5_use_modules".
CMake Error at tests/CMakeLists.txt:21 (qt5_use_modules):
Unknown CMake command "qt5_use_modules".
According to the official Qt documentation qt5_use_modules
macro is obsolete
Same as https://github.com/ubports/ubuntu-download-manager/issues/4