include_directories ( ${EGL_INCLUDE_DIRS} ) if (X11_FOUND) add_library (eglut eglut.c eglut_x11.c) target_link_libraries (eglut ${EGL_LIBRARIES} ${X11_X11_LIB}) else () add_library (eglut eglut.c eglut_screen.c) target_link_libraries (eglut ${EGL_LIBRARIES}) endif ()