jenkins@mbi086:~/jenkins-agent/workspace/MITK/Nightly/Linux/build/MITK-build$ ldd ../ep/src/CTK-build/CMakeExternals/Install/lib/libPythonQt.so linux-vdso.so.1 (0x00007fffec5f5000) libpython3.6m.so.1.0 => /usr/lib/x86_64-linux-gnu/libpython3.6m.so.1.0 (0x00007f429868b000) libQt5Widgets.so.5 => not found libQt5Gui.so.5 => not found libQt5Core.so.5 => not found libstdc++.so.6 => /usr/lib/x86_64-linux-gnu/libstdc++.so.6 (0x00007f4298302000) libm.so.6 => /lib/x86_64-linux-gnu/libm.so.6 (0x00007f4297f64000) ...
libPythonQt does not link Qt dependencies with absolute path on Linux.