message: Define PLATFORM_WINDOWS when compiling XLA for windows. Tensorflow core headers require it.
diff: @@ -7,7 +7,7 @@ load(
  "if_static",
  "tf_cuda_tests_tags",
  )
  -load("//tensorflow:tensorflow.bzl", "tf_cc_test", "tf_cuda_library")
  +load("//tensorflow:tensorflow.bzl", "tf_cc_test", "tf_cuda_library", "tf_copts")
  load("@local_config_cuda//cuda:build_defs.bzl", "if_cuda")
  package(
  @@ -1222,6 +1222,7 @@ cc_library(
  name = "stream_executor_util",
  srcs = ["stream_executor_util.cc"],
  hdrs = ["stream_executor_util.h"],
  + copts = tf_copts(),
  deps = [
  "//tensorflow/compiler/xla:shape_util",
  "//tensorflow/compiler/xla:statusor",
  