From 8e9c864edcc22eb0f0fd57c8a29e19ea9545312d Mon Sep 17 00:00:00 2001
From: Will Stott <willstott101@gmail.com>
Date: Mon, 18 Oct 2021 15:03:17 +0100
Subject: [PATCH] OpenCL init should fail on non-android platforms

---
 mediapipe/util/tflite/tflite_gpu_runner.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/mediapipe/util/tflite/tflite_gpu_runner.cc b/mediapipe/util/tflite/tflite_gpu_runner.cc
index 5445f021e..43b94daa1 100644
--- a/mediapipe/util/tflite/tflite_gpu_runner.cc
+++ b/mediapipe/util/tflite/tflite_gpu_runner.cc
@@ -213,8 +213,9 @@ absl::Status TFLiteGPURunner::InitializeOpenCL(
       cl::NewInferenceEnvironment(env_options, &cl_environment_, &properties));
   MP_RETURN_IF_ERROR(cl_environment_->NewInferenceBuilder(
       cl_options, std::move(*graph_cl_), builder));
-#endif
   return absl::OkStatus();
+#endif
+  return mediapipe::UnimplementedError("OpenCL is only supported on Android currently.");
 }
 
 }  // namespace gpu