Solution 1:
LXDE and X11 are not quite the same thing. You probably need the X11 header files. Try installing libx11-dev:
sudo apt-get install libx11-dev
CMake can't find X11
Solution 1:
LXDE and X11 are not quite the same thing. You probably need the X11 header files. Try installing libx11-dev:
sudo apt-get install libx11-dev