From 8cb5d5628bea4a64e41831fe9281cb0bda6b37df Mon Sep 17 00:00:00 2001
From: Chizkiyahu Raful <chizkiyahuraful@gmail.com>
Date: Thu, 4 Sep 2025 17:51:12 +0300
Subject: [PATCH 1/4] Add GitHub Actions workflow for building Aarch64 Linux
 wheels

---
 .../workflows/build-wheels-aarch64-linux.yml  | 66 +++++++++++++++++++
 1 file changed, 66 insertions(+)
 create mode 100644 .github/workflows/build-wheels-aarch64-linux.yml

diff --git a/.github/workflows/build-wheels-aarch64-linux.yml b/.github/workflows/build-wheels-aarch64-linux.yml
new file mode 100644
index 00000000000..8d047d468a2
--- /dev/null
+++ b/.github/workflows/build-wheels-aarch64-linux.yml
@@ -0,0 +1,66 @@
+# From https://github.com/pytorch/test-infra/wiki/Using-Nova-Reusable-Build-Workflows
+name: Build Aarch64 Linux Wheels
+
+on:
+  pull_request:
+    paths:
+      - .ci/**/*
+      - .github/workflows/build-wheels-aarch64-linux.yml
+      - examples/**/*
+      - pyproject.toml
+      - setup.py
+    tags:
+      - ciflow/binaries/*
+  push:
+    branches:
+      - nightly
+      - release/*
+    tags:
+      # NOTE: Binary build pipelines should only get triggered on release candidate builds
+      # Release candidate tags look like: v1.11.0-rc1
+      - v[0-9]+.[0-9]+.[0-9]+-rc[0-9]+
+      - ciflow/binaries/*
+  workflow_dispatch:
+
+jobs:
+  generate-matrix:
+    uses: pytorch/test-infra/.github/workflows/generate_binary_build_matrix.yml@main
+    with:
+      package-type: wheel
+      os: linux-aarch64
+      test-infra-repository: pytorch/test-infra
+      test-infra-ref: main
+      with-cuda: disabled
+      with-rocm: disabled
+      python-versions: '["3.10", "3.11", "3.12"]'
+
+  build:
+    needs: generate-matrix
+    permissions:
+      id-token: write
+      contents: read
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - repository: pytorch/executorch
+            pre-script: .ci/scripts/wheel/pre_build_script.sh
+            post-script: .ci/scripts/wheel/post_build_script.sh
+            smoke-test-script: .ci/scripts/wheel/test_linux.py
+            package-name: executorch
+    name: ${{ matrix.repository }}
+    uses: pytorch/test-infra/.github/workflows/build_wheels_linux.yml@main
+    with:
+      repository: ${{ matrix.repository }}
+      ref: ""
+      test-infra-repository: pytorch/test-infra
+      test-infra-ref: main
+      build-matrix: ${{ needs.generate-matrix.outputs.matrix }}
+      submodules: recursive
+      env-var-script: .ci/scripts/wheel/envvar_linux.sh
+      pre-script: ${{ matrix.pre-script }}
+      post-script: ${{ matrix.post-script }}
+      package-name: ${{ matrix.package-name }}
+      smoke-test-script: ${{ matrix.smoke-test-script }}
+      trigger-event: ${{ github.event_name }}
+      architecture: aarch64

From 59f9568f3f9f2ae24eeb1ca6eb83b1c9d2b44743 Mon Sep 17 00:00:00 2001
From: Chizkiyahu Raful <chizkiyahuraful@gmail.com>
Date: Fri, 5 Sep 2025 12:51:11 +0300
Subject: [PATCH 2/4] add missing include in inmemory_filesystem.cpp for
 aarch64 build

---
 .../apple/coreml/runtime/inmemoryfs/inmemory_filesystem.cpp     | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/backends/apple/coreml/runtime/inmemoryfs/inmemory_filesystem.cpp b/backends/apple/coreml/runtime/inmemoryfs/inmemory_filesystem.cpp
index ec2f0459a47..c5671b1e6c4 100644
--- a/backends/apple/coreml/runtime/inmemoryfs/inmemory_filesystem.cpp
+++ b/backends/apple/coreml/runtime/inmemoryfs/inmemory_filesystem.cpp
@@ -7,9 +7,11 @@
 
 #include "inmemory_filesystem.hpp"
 
+#include <algorithm>
 #include <assert.h>
 #include <fstream>
 #include <iostream>
+#include <iterator>
 #include <sstream>
 
 #if __has_include(<filesystem>)

From 488bdbf758695c2ca6950bbb2bc28587c0431e61 Mon Sep 17 00:00:00 2001
From: Chizkiyahu Raful <chizkiyahuraful@gmail.com>
Date: Mon, 8 Sep 2025 11:33:47 +0300
Subject: [PATCH 3/4] install: add libatomic installation for aarch64 support
 in pre_build_script.sh

---
 .ci/scripts/wheel/pre_build_script.sh | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/.ci/scripts/wheel/pre_build_script.sh b/.ci/scripts/wheel/pre_build_script.sh
index 424529af864..e49b3f715b6 100755
--- a/.ci/scripts/wheel/pre_build_script.sh
+++ b/.ci/scripts/wheel/pre_build_script.sh
@@ -15,3 +15,8 @@ set -euxo pipefail
 # able to see the installed torch package.
 
 "${GITHUB_WORKSPACE}/${REPOSITORY}/install_requirements.sh"  --example
+
+# On aarch64, we need to install libatomic explicitly for meta-pytorch/tokenizers to work.
+if [[ "$(uname -m)" == "aarch64" ]]; then
+    sudo dnf install -y libatomic
+fi

From 12fd120b59095f5b10f0b6e7908216bb3e6a8b69 Mon Sep 17 00:00:00 2001
From: Mergen Nachin <mnachin@meta.com>
Date: Mon, 8 Sep 2025 11:53:18 -0400
Subject: [PATCH 4/4] Test with new change in tokenizers

---
 extension/llm/tokenizers | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/extension/llm/tokenizers b/extension/llm/tokenizers
index 4ed91cc545e..4d8a9a009c8 160000
--- a/extension/llm/tokenizers
+++ b/extension/llm/tokenizers
@@ -1 +1 @@
-Subproject commit 4ed91cc545e9ed7098e53747656eb7eff24eb305
+Subproject commit 4d8a9a009c8a0468739da1c11a54550da5d801ff