cmake: add checks for other X11 libraries

cmake/DPF-plugin.cmake

@@ -445,7 +445,23 @@ function(dpf__add_dgl_system_libs)
     target_include_directories(dgl-system-libs INTERFACE "${X11_INCLUDE_DIR}")
     target_link_libraries(dgl-system-libs INTERFACE "${X11_X11_LIB}")
     target_compile_definitions(dgl-system-libs-definitions INTERFACE "HAVE_X11")
-  endif()
+    if(X11_Xext_FOUND)
+      target_link_libraries(dgl-system-libs INTERFACE "${X11_Xext_LIB}")
+      target_compile_definitions(dgl-system-libs-definitions INTERFACE "HAVE_XEXT")
+    endif()
+    if(X11_XSync_FOUND)
+      target_link_libraries(dgl-system-libs INTERFACE "${X11_XSync_LIB}")
+      target_compile_definitions(dgl-system-libs-definitions INTERFACE "HAVE_XSYNC")
+    endif()
+    if(X11_Xrandr_FOUND)
+      target_link_libraries(dgl-system-libs INTERFACE "${X11_Xrandr_LIB}")
+      target_compile_definitions(dgl-system-libs-definitions INTERFACE "HAVE_XRANDR")
+    endif()
+    #if(X11_Xcursor_FOUND)
+    #  target_link_libraries(dgl-system-libs INTERFACE "${X11_Xcursor_LIB}")
+    #  target_compile_definitions(dgl-system-libs-definitions INTERFACE "HAVE_XCURSOR")
+    #endif()
+   endif()
   target_link_libraries(dgl-system-libs INTERFACE dgl-system-libs-definitions)
 endfunction()