feat: add multi-arch build support for Linux ARM64 and macOS

Author: Eatgrapes

.github/workflows/build.yml

@@ -13,8 +13,6 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
-        with:
-          submodules: recursive
 
       - name: Set up JDK 21
         uses: actions/setup-java@v4
@@ -27,15 +25,27 @@ jobs:
         with:
           python-version: '3.x'
 
-      - name: Install dependencies (Linux)
+      - name: Install Dependencies (Linux)
         if: runner.os == 'Linux'
         run: sudo apt-get update && sudo apt-get install -y libgles2-mesa-dev
 
       - name: Build and Package
         run: python3 scripts/build.py
 
+      # For Linux ARM64, we use QEMU to run the build in an emulated environment
+      - name: Build Linux ARM64
+        if: runner.os == 'Linux'
+        uses: uraimo/run-on-arch-action@v2
+        with:
+          arch: aarch64
+          distro: ubuntu22.04
+          install: |
+            apt-get update && apt-get install -y python3 cmake build-essential openjdk-21-jdk libgles2-mesa-dev
+          run: |
+            python3 scripts/build.py
+
       - name: Upload Artifacts
         uses: actions/upload-artifact@v4
         with:
           name: live2d-jars-${{ runner.os }}
-          path: out/*.jar
+          path: out/*.jar

native/src/CubismUserModel_JNI.cpp

@@ -20,7 +20,6 @@ class JniUserModel : public CubismUserModel {
     ~JniUserModel() {
         JNIEnv* env = getEnv();
         if (env) env->DeleteGlobalRef(_javaObj);
-        // SDK's destructor handles _model, _renderer etc.
     }
 
     void loadModelCopy(const csmByte* buffer, csmSizeInt size) {

scripts/build.py

@@ -55,6 +55,7 @@ def get_tag():
     os_name = platform.system().lower()
     arch = platform.machine().lower()
     p = "macos" if "darwin" in os_name else os_name
+    # Handle aarch64 vs arm64 naming
     a = "arm64" if ("arm" in arch or "aarch64" in arch) else "x64"
     return f"{p}-{a}"