build: trixie arm64 with opencl

.github/workflows/build.yml

@@ -652,6 +652,82 @@ jobs:
           name: llama-${{ needs.check-version.outputs.llama-tag }}-bin-ubuntu-trixie-cpu-arm64.tar.gz
           archive: false
 
+  build-trixie-opencl-arm64:
+    needs: check-version
+    if: ${{ needs.check-version.outputs.llama-tag != needs.check-version.outputs.current-tag }}
+    runs-on: ubuntu-24.04-arm
+    steps:
+      - name: Check out the repo
+        uses: actions/checkout@v6
+      - name: Checkout llama.cpp repo
+        uses: actions/checkout@v6
+        with:
+          repository: ggml-org/llama.cpp
+          path: llama.cpp
+          ref: ${{ needs.check-version.outputs.llama-tag }}
+          fetch-tags: 'true'
+      - name: Install dependencies
+        env:
+          DEBIAN_FRONTEND: noninteractive
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y build-essential ninja-build libgomp1 git libssl-dev libcurl4-openssl-dev zip libxcb-xinput0 libxcb-xinerama0 libxcb-cursor-dev wget libgmp-dev libmpfr-dev libmpc-dev \
+            ocl-icd-opencl-dev opencl-headers opencl-clhpp-headers
+      - name: Cache GCC 14.3.0
+        uses: actions/cache@v5
+        id: cache-gcc-trixie-opencl
+        with:
+          path: ./gcc-14.3.0
+          key: gcc-14.3.0-arm64-opencl-ubuntu24.04-v1
+      - name: Build GCC 14.3.0
+        if: steps.cache-gcc-trixie-opencl.outputs.cache-hit != 'true'
+        run: |
+          mkdir -p gcc-install
+          cd gcc-install
+          wget https://ftp.gnu.org/gnu/gcc/gcc-14.3.0/gcc-14.3.0.tar.gz
+          tar -xf gcc-14.3.0.tar.gz
+          cd gcc-14.3.0
+          ./configure -v --build=$(uname -m)-linux-gnu --host=$(uname -m)-linux-gnu --target=$(uname -m)-linux-gnu --prefix=$GITHUB_WORKSPACE/gcc-14.3.0 --enable-checking=release --enable-languages=c,c++ --disable-multilib --program-suffix=-14
+          make -j $(nproc)
+          sudo make install
+          cd ../..
+          rm -rf gcc-install
+      - name: Add GCC to PATH
+        run: |
+          echo "$GITHUB_WORKSPACE/gcc-14.3.0/bin" >> $GITHUB_PATH
+      - name: Setup cmake 4.2.0
+        run: |
+          mkdir -p ./cmake-4.2.0
+          cd ./cmake-4.2.0
+          wget -O cmake.sh https://github.com/Kitware/CMake/releases/download/v4.2.0/cmake-4.2.0-linux-aarch64.sh
+          sudo sh cmake.sh --prefix=/usr/local --skip-license
+          cd ..
+          rm -rf cmake-4.2.0
+      - name: Build arm64
+        working-directory: llama.cpp
+        run: |
+          export CC=$GITHUB_WORKSPACE/gcc-14.3.0/bin/gcc-14
+          export CXX=$GITHUB_WORKSPACE/gcc-14.3.0/bin/g++-14
+          export LD_LIBRARY_PATH=$GITHUB_WORKSPACE/gcc-14.3.0/lib64:$LD_LIBRARY_PATH
+          cmake -S . -B build -G Ninja \
+            -DCMAKE_INSTALL_RPATH='$ORIGIN' \
+            -DCMAKE_BUILD_WITH_INSTALL_RPATH=ON \
+            -DCMAKE_EXE_LINKER_FLAGS="-Wl,--allow-shlib-undefined" \
+            -DGGML_NATIVE=OFF \
+            -DGGML_CPU_ALL_VARIANTS=ON \
+            -DGGML_BACKEND_DL=ON \
+            -DGGML_OPENCL=ON
+          cmake --build build --config Release -j $(nproc)
+      - name: Pack artifacts
+        run: |
+          tar -czvf llama-${{ needs.check-version.outputs.llama-tag }}-bin-ubuntu-trixie-opencl-arm64.tar.gz --transform "s,./,llama-${{ needs.check-version.outputs.llama-tag }}/," -C ./llama.cpp/build/bin .
+      - name: Upload release binaries
+        uses: actions/upload-artifact@v7
+        with:
+          path: llama-${{ needs.check-version.outputs.llama-tag }}-bin-ubuntu-trixie-opencl-arm64.tar.gz
+          name: llama-${{ needs.check-version.outputs.llama-tag }}-bin-ubuntu-trixie-opencl-arm64.tar.gz
+          archive: false
+
   release:
     needs: 
       - check-version
@@ -663,6 +739,7 @@ jobs:
       - build-trixie-vulkan-arm64
       - build-cpu-arm64
       - build-trixie-cpu-arm64
+      - build-trixie-opencl-arm64
     runs-on: ubuntu-latest
     steps:
       - name: Check out the repo
@@ -723,6 +800,13 @@ jobs:
           artifact-name: llama-${{ needs.check-version.outputs.llama-tag }}-bin-ubuntu-trixie-cpu-arm64.tar.gz
           destination: llama-${{ needs.check-version.outputs.llama-tag }}-bin-ubuntu-trixie-cpu-arm64.tar.gz
           token: ${{ secrets.GITHUB_TOKEN }}
+      - name: Download arm64 trixie OpenCL artifact
+        uses: ./.github/actions/download-artifact
+        with:
+          run-id: ${{ github.run_id }}
+          artifact-name: llama-${{ needs.check-version.outputs.llama-tag }}-bin-ubuntu-trixie-opencl-arm64.tar.gz
+          destination: llama-${{ needs.check-version.outputs.llama-tag }}-bin-ubuntu-trixie-opencl-arm64.tar.gz
+          token: ${{ secrets.GITHUB_TOKEN }}
       - name: Create final release
         uses: ncipollo/release-action@v1
         with: