Hi Udoos, From last one week I am try to build the Qt5 on my UDOO board but it cannot be configure on my board. I follow this tutorial"http://www.udoo.org/ProjectsAndTutorials/how-to-build-qt5-for-udoo/ " which was given the UDOO website when i typed configured command it shows error. I spent lot of time to configure Qt5 please give me any idea so that i successfully configure the Qt5 and Opencv on my udoo board to start the Face Recognition project.