1 files changed, 72 insertions, 0 deletions
diff --git a/.github/workflows/build-arm64-layer.yml b/.github/workflows/build-arm64-layer.yml
new file mode 100644
index 0000000..973a548
--- /dev/null
+++ b/.github/workflows/build-arm64-layer.yml
@@ -0,0 +1,72 @@
+name: Build ARM64 lsfg-vk layer
+
+on:
+  workflow_dispatch:
+  pull_request:
+    paths:
+      - .github/workflows/build-arm64-layer.yml
+
+permissions:
+  contents: read
+
+env:
+  SOURCE_REPOSITORY: https://github.com/FrankBarretta/lsfg-vk-android.git
+  SOURCE_COMMIT: 3e89e5439a98f55d5acb003d20039426ab24e69c
+
+jobs:
+  build:
+    name: Native AArch64 release build
+    runs-on: ubuntu-24.04-arm
+
+    steps:
+      - name: Install build dependencies
+        run: |
+          sudo apt-get update
+          sudo apt-get install --yes --no-install-recommends \
+            clang cmake g++ git libvulkan-dev ninja-build
+
+      - name: Check out the pinned layer source
+        run: |
+          git init lsfg-vk-android
+          cd lsfg-vk-android
+          git remote add origin "${SOURCE_REPOSITORY}"
+          git fetch --depth=1 origin "${SOURCE_COMMIT}"
+          git checkout --detach FETCH_HEAD
+          git submodule update --init --recursive --depth=1
+          test "$(git rev-parse HEAD)" = "${SOURCE_COMMIT}"
+
+      - name: Build with static C++ runtimes
+        run: |
+          cmake -S lsfg-vk-android -B build -G Ninja \
+            -DCMAKE_BUILD_TYPE=Release \
+            -DCMAKE_C_COMPILER=clang \
+            -DCMAKE_CXX_COMPILER=clang++ \
+            -DCMAKE_INTERPROCEDURAL_OPTIMIZATION=OFF \
+            -DCMAKE_SHARED_LINKER_FLAGS="-static-libstdc++ -static-libgcc -Wl,--exclude-libs,ALL"
+          cmake --build build --parallel 4
+          strip --strip-unneeded build/liblsfg-vk.so
+
+      - name: Verify and document the artifact
+        run: |
+          mkdir -p artifact
+          install -m 0755 build/liblsfg-vk.so artifact/liblsfg-vk-arm64.so
+          readelf -h artifact/liblsfg-vk-arm64.so | grep -q 'Machine:.*AArch64'
+          readelf -d artifact/liblsfg-vk-arm64.so | tee artifact/ELF-DYNAMIC.txt
+          ! grep -Eq 'libstdc\+\+\.so|libgcc_s\.so' artifact/ELF-DYNAMIC.txt
+          sha256sum artifact/liblsfg-vk-arm64.so | tee artifact/SHA256SUMS
+          {
+            echo "Source repository: ${SOURCE_REPOSITORY}"
+            echo "Source commit: ${SOURCE_COMMIT}"
+            echo "Runner: ubuntu-24.04-arm"
+            echo "Compiler: $(clang++ --version | head -n1)"
+            echo "CMake: $(cmake --version | head -n1)"
+            echo "Static runtimes: libstdc++ and libgcc"
+          } > artifact/SOURCE.txt
+
+      - name: Upload ARM64 layer
+        uses: actions/upload-artifact@v4
+        with:
+          name: lsfg-vk-arm64-${{ env.SOURCE_COMMIT }}
+          path: artifact/
+          if-no-files-found: error
+          retention-days: 90