This version of Qt-Compositor is checked against the following sha1
from the libxkbcommon repository:
-409ec8a12ef54f3eea704a8234e4cd26928bf87e
+3fbc277bb8717d031f9c863935460b895c3d3beb
During the qmake step a configuration test will be compiled to check
if libxkbcommon is available. If not, or it is an incompatible