From 10627df44e2c0883c2fb0d6fde3a8c06152be0a6 Mon Sep 17 00:00:00 2001
From: otegami <otegami@clear-code.com>
Date: Tue, 7 Oct 2025 11:49:30 +0900
Subject: [PATCH] draft ci: support Windows arm64 environment

---
 .github/workflows/build.yml | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 5182c4694b..006a24976d 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -54,3 +54,38 @@ jobs:
         run: |
           call "C:\Program Files\Microsoft Visual Studio\2022\Enterprise\VC\Auxiliary\Build\vcvars64.bat"
           rake -m test:run:serial
+
+  Windows-ARM64-CLANG:
+    runs-on: windows-11-arm
+    timeout-minutes: 10
+    env:
+      MRUBY_CONFIG: ci/gcc-clang
+      CC: 'clang'
+      CXX: 'clang++'
+      LD: 'clang'
+    steps:
+      - name: "Checkout ${{ github.ref }} ( ${{ github.sha }} )"
+        uses: actions/checkout@v5
+      - name: Setup MSYS2 (CLANGARM64)
+        uses: msys2/setup-msys2@v2
+        with:
+          msystem: CLANGARM64
+          update: true
+          install: >-
+            mingw-w64-clang-aarch64-toolchain
+            make
+            pkgconf
+            mingw-w64-clang-aarch64-ruby
+      - name: Ruby version
+        shell: msys2 {0}
+        run: ruby -v
+      - name: Compiler version
+        shell: msys2 {0}
+        run: clang --version
+      - name: Dump Predefined Macros
+        shell: msys2 {0}
+        run: |
+          echo | clang -dM -E - | grep -E '__MINGW64__|__GNUC__|__aarch64__|_WIN64' || true
+      - name: Build and test
+        shell: msys2 {0}
+        run: rake -m test:run:serial