@jsulm For me qmake projects works fine but CMake projects failed because of the following error:
FAILED: Raspberrydemo
: && /opt/qt5pi/gcc-linaro-7.5.0-2019.12-x86_64_arm-linux-gnueabihf/bin/arm-linux-gnueabihf-g++ -g CMakeFiles/Raspberrydemo.dir/Raspberrydemo_autogen/mocs_compilation.cpp.o CMakeFiles/Raspberrydemo.dir/main.cpp.o CMakeFiles/Raspberrydemo.dir/Raspberrydemo_autogen/EWIEGA46WW/qrc_qml.cpp.o -o Raspberrydemo -Wl,-rpath,/opt/qt5pi/sysroot/usr/local/qt5pi/lib /opt/qt5pi/sysroot/usr/local/qt5pi/lib/libQt5Quick.so.5.15.2 /opt/qt5pi/sysroot/usr/local/qt5pi/lib/libQt5Gui.so.5.15.2 /opt/qt5pi/sysroot/usr/local/qt5pi/lib/libQt5QmlModels.so.5.15.2 /opt/qt5pi/sysroot/usr/local/qt5pi/lib/libQt5Qml.so.5.15.2 /opt/qt5pi/sysroot/usr/local/qt5pi/lib/libQt5Network.so.5.15.2 /opt/qt5pi/sysroot/usr/local/qt5pi/lib/libQt5Core.so.5.15.2 && :
/opt/qt5pi/gcc-linaro-7.5.0-2019.12-x86_64_arm-linux-gnueabihf/bin/../lib/gcc/arm-linux-gnueabihf/7.5.0/../../../../arm-linux-gnueabihf/bin/ld: warning: libGLESv2.so.2, needed by /opt/qt5pi/sysroot/usr/local/qt5pi/lib/libQt5Quick.so.5.15.2, not found (try using -rpath or -rpath-link)
/opt/qt5pi/gcc-linaro-7.5.0-2019.12-x86_64_arm-linux-gnueabihf/bin/../lib/gcc/arm-linux-gnueabihf/7.5.0/../../../../arm-linux-gnueabihf/bin/ld: warning: libpng16.so.16, needed by /opt/qt5pi/sysroot/usr/local/qt5pi/lib/libQt5Gui.so.5.15.2, not found (try using -rpath or -rpath-link)
/opt/qt5pi/gcc-linaro-7.5.0-2019.12-x86_64_arm-linux-gnueabihf/bin/../lib/gcc/arm-linux-gnueabihf/7.5.0/../../../../arm-linux-gnueabihf/bin/ld: warning: libz.so.1, needed by /opt/qt5pi/sysroot/usr/local/qt5pi/lib/libQt5Gui.so.5.15.2, not found (try using -rpath or -rpath-link)
/opt/qt5pi/gcc-linaro-7.5.0-2019.12-x86_64_arm-linux-gnueabihf/bin/../lib/gcc/arm-linux-gnueabihf/7.5.0/../../../../arm-linux-gnueabihf/bin/ld: warning: libharfbuzz.so.0, needed by /opt/qt5pi/sysroot/usr/local/qt5pi/lib/libQt5Gui.so.5.15.2, not found (try using -rpath or -rpath-link)
/opt/qt5pi/gcc-linaro-7.5.0-2019.12-x86_64_arm-linux-gnueabihf/bin/../lib/gcc/arm-linux-gnueabihf/7.5.0/../../../../arm-linux-gnueabihf/bin/ld: warning: libdouble-conversion.so.1, needed by /opt/qt5pi/sysroot/usr/local/qt5pi/lib/libQt5Core.so.5.15.2, not found (try using -rpath or -rpath-link)
/opt/qt5pi/gcc-linaro-7.5.0-2019.12-x86_64_arm-linux-gnueabihf/bin/../lib/gcc/arm-linux-gnueabihf/7.5.0/../../../../arm-linux-gnueabihf/bin/ld: warning: libicui18n.so.63, needed by /opt/qt5pi/sysroot/usr/local/qt5pi/lib/libQt5Core.so.5.15.2, not found (try using -rpath or -rpath-link)
/opt/qt5pi/gcc-linaro-7.5.0-2019.12-x86_64_arm-linux-gnueabihf/bin/../lib/gcc/arm-linux-gnueabihf/7.5.0/../../../../arm-linux-gnueabihf/bin/ld: warning: libicuuc.so.63, needed by /opt/qt5pi/sysroot/usr/local/qt5pi/lib/libQt5Core.so.5.15.2, not found (try using -rpath or -rpath-link)
/opt/qt5pi/gcc-linaro-7.5.0-2019.12-x86_64_arm-linux-gnueabihf/bin/../lib/gcc/arm-linux-gnueabihf/7.5.0/../../../../arm-linux-gnueabihf/bin/ld: warning: libicudata.so.63, needed by /opt/qt5pi/sysroot/usr/local/qt5pi/lib/libQt5Core.so.5.15.2, not found (try using -rpath or -rpath-link)
/opt/qt5pi/gcc-linaro-7.5.0-2019.12-x86_64_arm-linux-gnueabihf/bin/../lib/gcc/arm-linux-gnueabihf/7.5.0/../../../../arm-linux-gnueabihf/bin/ld: warning: libpcre2-16.so.0, needed by /opt/qt5pi/sysroot/usr/local/qt5pi/lib/libQt5Core.so.5.15.2, not found (try using -rpath or -rpath-link)
/opt/qt5pi/gcc-linaro-7.5.0-2019.12-x86_64_arm-linux-gnueabihf/bin/../lib/gcc/arm-linux-gnueabihf/7.5.0/../../../../arm-linux-gnueabihf/bin/ld: warning: libgthread-2.0.so.0, needed by /opt/qt5pi/sysroot/usr/local/qt5pi/lib/libQt5Core.so.5.15.2, not found (try using -rpath or -rpath-link)
/opt/qt5pi/gcc-linaro-7.5.0-2019.12-x86_64_arm-linux-gnueabihf/bin/../lib/gcc/arm-linux-gnueabihf/7.5.0/../../../../arm-linux-gnueabihf/bin/ld: warning: libglib-2.0.so.0, needed by /opt/qt5pi/sysroot/usr/local/qt5pi/lib/libQt5Core.so.5.15.2, not found (try using -rpath or -rpath-link)
FYI: I have followed https://github.com/PhysicsX/QTonRaspberryPi/blob/main/qt5.14.2onRaspberrypi tutorial for crosscompiling.