From 8bc9af42f6f20e6a2a3e83d512e918c6f85239c8 Mon Sep 17 00:00:00 2001
From: Naveen Dodda <ndodda@google.com>
Date: Fri, 12 Sep 2025 23:04:51 +0000
Subject: [PATCH] TFmicro Kelvin integration

---
 .../micro/examples/hello_world/models/BUILD   |  5 +---
 tensorflow/lite/micro/tools/BUILD             |  2 +-
 tensorflow/workspace.bzl                      |  1 +
 third_party/gemmlowp/BUILD                    |  6 +++++
 .../gemmlowp/remove-pthreads-as-default.patch | 25 +++++++++++++++++++
 third_party/ruy/BUILD                         |  2 ++
 .../ruy/remove-pthreads-as-default.patch      | 23 +++++++++++++++++
 third_party/ruy/workspace.bzl                 |  2 ++
 8 files changed, 61 insertions(+), 5 deletions(-)
 create mode 100644 third_party/gemmlowp/BUILD
 create mode 100644 third_party/gemmlowp/remove-pthreads-as-default.patch
 create mode 100644 third_party/ruy/remove-pthreads-as-default.patch

diff --git a/tensorflow/lite/micro/examples/hello_world/models/BUILD b/tensorflow/lite/micro/examples/hello_world/models/BUILD
index 4c9441b8..457cf190 100644
--- a/tensorflow/lite/micro/examples/hello_world/models/BUILD
+++ b/tensorflow/lite/micro/examples/hello_world/models/BUILD
@@ -9,10 +9,7 @@ exports_files(
         "hello_world_float.tflite",
         "hello_world_int8.tflite",
     ],
-    visibility = [
-        "//codegen/examples/hello_world:__subpackages__",
-        "//tensorflow/lite/micro/examples/hello_world:__subpackages__",
-    ],
+    visibility = ["//visibility:public"] ,
 )
 
 generate_cc_arrays(
diff --git a/tensorflow/lite/micro/tools/BUILD b/tensorflow/lite/micro/tools/BUILD
index c3b2f981..8e10f866 100644
--- a/tensorflow/lite/micro/tools/BUILD
+++ b/tensorflow/lite/micro/tools/BUILD
@@ -5,7 +5,7 @@ load("@pybind11_bazel//:build_defs.bzl", "pybind_extension")
 load("//tensorflow:extra_rules.bzl", "tflm_application_friends")
 
 package(
-    default_visibility = ["//:__subpackages__"],
+    default_visibility = ["//visibility:public"],
     licenses = ["notice"],
 )
 
diff --git a/tensorflow/workspace.bzl b/tensorflow/workspace.bzl
index b799523b..4aed7b03 100644
--- a/tensorflow/workspace.bzl
+++ b/tensorflow/workspace.bzl
@@ -35,6 +35,7 @@ def tf_repositories(path_prefix = "", tf_repo_name = ""):
             "https://storage.googleapis.com/mirror.tensorflow.org/github.com/google/gemmlowp/archive/fda83bdc38b118cc6b56753bd540caa49e570745.zip",
             "https://github.com/google/gemmlowp/archive/fda83bdc38b118cc6b56753bd540caa49e570745.zip",
         ],
+        patch_file = "@tflite_micro//third_party/gemmlowp:remove-pthreads-as-default.patch",
     )
 
     tf_http_archive(
diff --git a/third_party/gemmlowp/BUILD b/third_party/gemmlowp/BUILD
new file mode 100644
index 00000000..b4ea97ae
--- /dev/null
+++ b/third_party/gemmlowp/BUILD
@@ -0,0 +1,6 @@
+ackage(
+    default_visibility = ["//visibility:public"],
+    licenses = ["notice"],
+)
+
+exports_files(glob(["*.patch"]))
\ No newline at end of file
diff --git a/third_party/gemmlowp/remove-pthreads-as-default.patch b/third_party/gemmlowp/remove-pthreads-as-default.patch
new file mode 100644
index 00000000..e32ac209
--- /dev/null
+++ b/third_party/gemmlowp/remove-pthreads-as-default.patch
@@ -0,0 +1,25 @@
+From 6f094c09fe6ae26306f1b376ceeed02f3af52d01 Mon Sep 17 00:00:00 2001
+From: Naveen Dodda <ndodda@google.com>
+Date: Mon, 8 Sep 2025 21:30:52 +0000
+Subject: [PATCH] Changes to turn off default threads option
+
+---
+ flags.bzl | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/flags.bzl b/flags.bzl
+index e35fe9e..e26a448 100644
+--- a/flags.bzl
++++ b/flags.bzl
+@@ -4,7 +4,7 @@ LIB_COPTS = []
+ LIB_LINKOPTS = select({
+     ":android": [],
+     ":windows": [],
+-    "//conditions:default": ["-lpthread"],
++    "//conditions:default": [],
+ })
+ 
+ BIN_LINKOPTS = LIB_LINKOPTS
+-- 
+2.51.0.384.g4c02a37b29-goog
+
diff --git a/third_party/ruy/BUILD b/third_party/ruy/BUILD
index 518fea8f..f4ab327d 100644
--- a/third_party/ruy/BUILD
+++ b/third_party/ruy/BUILD
@@ -4,3 +4,5 @@ package(
     default_visibility = ["//visibility:public"],
     licenses = ["notice"],
 )
+
+exports_files(glob(["*.patch"]) + ["LICENSE"])
\ No newline at end of file
diff --git a/third_party/ruy/remove-pthreads-as-default.patch b/third_party/ruy/remove-pthreads-as-default.patch
new file mode 100644
index 00000000..5c834007
--- /dev/null
+++ b/third_party/ruy/remove-pthreads-as-default.patch
@@ -0,0 +1,23 @@
+From 621a1914d61159f2b4461aaf87a5a0e35156180f Mon Sep 17 00:00:00 2001
+From: Naveen Dodda <ndodda@google.com>
+Date: Fri, 12 Sep 2025 22:13:17 +0000
+Subject: [PATCH] remove pthreads as default
+
+---
+ ruy/build_defs.oss.bzl | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/ruy/build_defs.oss.bzl b/ruy/build_defs.oss.bzl
+index e405b41..83097b7 100644
+--- a/ruy/build_defs.oss.bzl
++++ b/ruy/build_defs.oss.bzl
+@@ -11,5 +11,5 @@ def ruy_linkopts_thread_standard_library():
+     # https://github.com/abseil/abseil-cpp/blob/1112609635037a32435de7aa70a9188dcb591458/absl/base/BUILD.bazel#L155
+     return select({
+         "@bazel_tools//src/conditions:windows": [],
+-        "//conditions:default": ["-pthread"],
++        "//conditions:default": [""],
+     })
+-- 
+2.51.0.384.g4c02a37b29-goog
+
diff --git a/third_party/ruy/workspace.bzl b/third_party/ruy/workspace.bzl
index 50769621..b5274df9 100644
--- a/third_party/ruy/workspace.bzl
+++ b/third_party/ruy/workspace.bzl
@@ -12,4 +12,6 @@ def repo():
             "https://github.com/google/ruy/archive/54774a7a2cf85963777289193629d4bd42de4a59.zip",
         ],
         build_file = "//third_party/ruy:BUILD",
+        patch_file = "@tflite_micro//third_party/ruy:remove-pthreads-as-default.patch",
+
     )
-- 
2.51.0.534.gc79095c0ca-goog