SUMMARY -- XCB: XINPUT requires XCB CMake Warning (dev) at /usr/share/ECM/find-modules/FindXCB.cmake:180 (message): XINPUT from XCB was requested: this is EXPERIMENTAL and is likely to unavailable on many systems! Call Stack (most recent call first): CMakeLists.txt:26 (find_package) This warning is for project developers. Use -Wno-dev to suppress it. STEPS TO REPRODUCE 1. Follow build instructions 2. 3. -- XCB: XINPUT requires XCB CMake Warning (dev) at /usr/share/ECM/find-modules/FindXCB.cmake:180 (message): XINPUT from XCB was requested: this is EXPERIMENTAL and is likely to unavailable on many systems! Call Stack (most recent call first): CMakeLists.txt:26 (find_package) This warning is for project developers. Use -Wno-dev to suppress it. OBSERVED RESULT -- XCB: XINPUT requires XCB CMake Warning (dev) at /usr/share/ECM/find-modules/FindXCB.cmake:180 (message): XINPUT from XCB was requested: this is EXPERIMENTAL and is likely to unavailable on many systems! Call Stack (most recent call first): CMakeLists.txt:26 (find_package) This warning is for project developers. Use -Wno-dev to suppress it. EXPECTED RESULT -- XCB: XINPUT requires XCB CMake Warning (dev) at /usr/share/ECM/find-modules/FindXCB.cmake:180 (message): XINPUT from XCB was requested: this is EXPERIMENTAL and is likely to unavailable on many systems! Call Stack (most recent call first): CMakeLists.txt:26 (find_package) This warning is for project developers. Use -Wno-dev to suppress it. -- Found XCB_XINPUT: /usr/lib/x86_64-linux-gnu/libxcb-xinput.so (found version "1.13") -- Found XCB: /usr/lib/x86_64-linux-gnu/libxcb.so;/usr/lib/x86_64-linux-gnu/libxcb-xinput.so (found version "1.13") found components: XINPUT SOFTWARE/OS VERSIONS Windows: macOS: Linux/KDE Plasma: kubuntu 18.04 (available in About System) KDE Plasma Version: KDE Frameworks Version: Qt Version: ADDITIONAL INFORMATION