Add musl build action

Author: MinnDevelopment

.github/workflows/build.yml

@@ -41,6 +41,41 @@ jobs:
       - name: Run Gradle Build
         run: ./gradlew build -Ptarget=${{ matrix.target }}
 
+  linux-musl:
+    strategy:
+      matrix:
+        include:
+          - target: x86_64-unknown-linux-musl
+            deps: |
+              apk add musl openjdk17
+          - target: aarch64-unknown-linux-musl
+            deps: |
+              apk add musl openjdk17
+              curl -q https://musl.cc/aarch64-linux-musl-cross.tgz | tar xzf - -C /root/musl
+
+    name: Build ${{ matrix.target }}
+    runs-on: ubuntu-latest
+    container:
+      image: alpine:3.18
+    steps:
+      - name: Checkout sources
+        uses: taiki-e/checkout-action@v1
+      - name: Install Essentials
+        run: |
+          apk add curl gcc bash
+          mkdir -p /root/musl
+          curl -q https://musl.cc/x86_64-linux-musl-cross.tgz | tar xzf - -C /root/musl
+      - name: Install Rust toolchain
+        uses: dtolnay/rust-toolchain@stable
+        with:
+          toolchain: stable
+          target: x86_64-unknown-linux-musl ${{ matrix.target }} # requires native target installed to build proc-macros2
+      - name: Install linker dependencies
+        run: ${{ matrix.deps }}
+        if: ${{ matrix.deps != '' }}
+      - name: Run Gradle Build
+        run: ./gradlew build -Ptarget=${{ matrix.target }}
+
   windows:
     strategy:
       matrix: