I am trying to build dlib19.4 I run the following commands on terminal
cd examples
mkdir build
cd build
cmake ..
cmake --build . --config Release
but I get these errors on below after a while
/usr/local/include/dlib/gui_core/gui_core_kernel_2.h:11:2: error: "DLIB_NO_GUI_SUPPORT is defined so you can't use the GUI code. Turn DLIB_NO_GUI_SUPPORT off if you want to use it." (#error "DLIB_NO_GUI_SUPPORT is defined so you can't use the GUI code. T...
/usr/local/include/dlib/gui_core/gui_core_kernel_2.h:12:2: error: "Also make sure you have libx11-dev installed on your system" (#error "Also make sure you have libx11-dev installed on your system"
how can I overcome this problem?
