fix: compile pthreadpool successfully on Windows

Author: homuler

WORKSPACE

@@ -218,6 +218,12 @@ http_archive(
 # pthreadpool is a dependency of XNNPACK, from 2025-04-02
 http_archive(
     name = "pthreadpool",
+    patch_args = [
+        "-p1",
+    ],
+    patches = [
+        "@//third_party:pthreadpool.patch",
+    ],
     # `curl -L <url> | shasum -a 256`
     sha256 = "745e56516d6a58d183eb33d9017732d87cff43ce9f78908906f9faa52633e421",
     strip_prefix = "pthreadpool-b92447772365661680f486e39a91dfe6675adafc",

third_party/mediapipe_workaround.diff

@@ -1,5 +1,5 @@
 diff --git a/mediapipe/framework/output_stream_handler.cc b/mediapipe/framework/output_stream_handler.cc
-index e27d1c68..55f2f3bd 100644
+index e27d1c688..55f2f3bd3 100644
 --- a/mediapipe/framework/output_stream_handler.cc
 +++ b/mediapipe/framework/output_stream_handler.cc
 @@ -143,9 +143,7 @@ OutputStreamHandler::GetMonitoringInfo() {
@@ -14,7 +14,7 @@ index e27d1c68..55f2f3bd 100644
    return monitoring_info_vector;
  }
 diff --git a/mediapipe/framework/port/opencv_core_inc.h b/mediapipe/framework/port/opencv_core_inc.h
-index 12862472..1a409417 100644
+index 128624725..1a4094173 100644
 --- a/mediapipe/framework/port/opencv_core_inc.h
 +++ b/mediapipe/framework/port/opencv_core_inc.h
 @@ -20,7 +20,7 @@
@@ -27,7 +27,7 @@ index 12862472..1a409417 100644
  #endif
 
 diff --git a/mediapipe/tasks/cc/core/task_api_factory.h b/mediapipe/tasks/cc/core/task_api_factory.h
-index a11a23fc..dbb5fe6c 100644
+index a11a23fcf..dbb5fe6ca 100644
 --- a/mediapipe/tasks/cc/core/task_api_factory.h
 +++ b/mediapipe/tasks/cc/core/task_api_factory.h
 @@ -76,15 +76,17 @@ class TaskApiFactory {
@@ -50,7 +50,7 @@ index a11a23fc..dbb5fe6c 100644
              std::move(graph_config), std::move(resolver),
              std::move(packets_callback), std::move(default_executor),
 diff --git a/mediapipe/tasks/cc/vision/holistic_landmarker/holistic_landmarker_graph.cc b/mediapipe/tasks/cc/vision/holistic_landmarker/holistic_landmarker_graph.cc
-index 2ff140c0..128a4326 100644
+index 2ff140c07..128a43263 100644
 --- a/mediapipe/tasks/cc/vision/holistic_landmarker/holistic_landmarker_graph.cc
 +++ b/mediapipe/tasks/cc/vision/holistic_landmarker/holistic_landmarker_graph.cc
 @@ -387,6 +387,13 @@ class HolisticLandmarkerGraph : public core::ModelTaskGraph {
@@ -67,3 +67,17 @@ index 2ff140c0..128a4326 100644
        }
      }
 
+diff --git a/mediapipe/util/tflite/tflite_model_loader.cc b/mediapipe/util/tflite/tflite_model_loader.cc
+index 4809cdc92..acc97a980 100644
+--- a/mediapipe/util/tflite/tflite_model_loader.cc
++++ b/mediapipe/util/tflite/tflite_model_loader.cc
+@@ -71,7 +71,7 @@ TfLiteModelLoader::LoadFromPathAndGetResource(
+         delete model;
+         res.reset();
+       });
+-  return TfLiteModelWithResource{.model_packet = std::move(model_packet),
+-                                 .resource = std::move(model_resource)};
++  return TfLiteModelWithResource{/*.model_packet = */ std::move(model_packet),
++                                 /*.resource = */ std::move(model_resource)};
+ }
+ }  // namespace mediapipe

third_party/pthreadpool.patch

@@ -0,0 +1,19 @@
+diff --git a/BUILD.bazel b/BUILD.bazel
+index 396537f..081a0a2 100644
+--- a/BUILD.bazel
++++ b/BUILD.bazel
+@@ -67,9 +67,11 @@ cc_library(
+     hdrs = [
+         "include/pthreadpool.h",
+     ],
+-    copts = [
+-        "-std=c11",
+-    ] + select({
++    copts = select({
++        ":windows_x86_64": ["/std:c11", "/experimental:c11atomics"],
++        ":windows_arm64": ["/std:c11", "/experimental:c11atomics"],
++        "//conditions:default": ["-std=c11"],
++    }) + select({
+         ":optimized_build": ["-O2"],
+         "//conditions:default": [],
+     }) + select({