message: cmake: link X11
diff: @@ -4,6 +4,9 @@ if(NOT NASTY_OPENSSL_WORKAROUND)
  endif()
  find_package(OpenGL REQUIRED)
  +if(UNIX)
  + find_package(X11 REQUIRED)
  +endif()
  set(IRRLICHT_SRCS_COMMON
  # Mesh loaders
  @@ -342,11 +345,17 @@ add_library(Irrlicht STATIC
  )
  target_link_libraries(Irrlicht INTERFACE ${OPENGL_gl_LIBRARY})
  +if (UNIX)
  + target_link_libraries(Irrlicht INTERFACE ${X11_LIBRARIES})
  +endif()
  target_include_directories(Irrlicht PUBLIC
  ../../include
  ${COMMON_INCLUDE_DIRS}
  )
  +if (UNIX)
  + target_include_directories(Irrlicht PUBLIC ${X11_INCLUDE_DIR})
  +endif()
  target_compile_definitions(Irrlicht PRIVATE
  _IRR_STATIC_LIB_
  