message: Fix gcc6.3 build link issue
diff: @@ -404,7 +404,7 @@ def tf_gen_op_wrapper_cc(name,
  tf_cc_binary(
  name=tool,
  copts=tf_copts(),
  - linkopts=if_not_windows(["-lm"]),
  + linkopts=if_not_windows(["-lm","-Wl,-ldl"]),
  linkstatic=1, # Faster to link this one-time-use binary dynamically
  deps=[op_gen] + deps)
  @@ -573,7 +573,7 @@ def tf_gen_op_wrapper_py(name,
  deps = [str(Label("//tensorflow/core:" + name + "_op_lib"))]
  tf_cc_binary(
  name=tool_name,
  - linkopts=if_not_windows(["-lm"]) + cc_linkopts,
  + linkopts=if_not_windows(["-lm","-Wl,-ldl"]) + cc_linkopts,
  copts=tf_copts(),
  linkstatic=1, # Faster to link this one-time-use binary dynamically
  deps=([
  