first commit

.github/workflows/docker-build-and-push.yaml

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+name: Build and push Docker images
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+jobs:
+  build-and-push:
+    runs-on: ubuntu-latest
+
+    timeout-minutes: 1440
+
+    permissions:
+      contents: read
+      packages: write
+      attestations: write
+      id-token: write
+
+    env:
+      REGISTRY: docker.io
+      IMAGE_NAME: niccolon/raptor-deps:mlir0c2701f
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683
+        with:
+          github-server-url: https://chef.heaplab.deib.polimi.it/git
+
+      - name: Build Docker image
+        run: |
+          cd ${GITHUB_WORKSPACE}/mlir0c2701f
+          docker build -t ${REGISTRY}/${IMAGE_NAME} -f Dockerfile .
+
+      - name: Log in to the Container registry
+        if: ${{ github.ref == 'refs/heads/main' }}
+        uses: docker/login-action@9780b0c442fbb1117ed29e0efdff1e18412f7567
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: niccolon
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: Push Docker image
+        if: ${{ github.ref == 'refs/heads/main' }}
+        id: push
+        run: |
+          docker push ${REGISTRY}/${IMAGE_NAME}

mlir0c2701f/Dockerfile

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+FROM ubuntu:24.04 AS builder
+
+ENV DEBIAN_FRONTEND=noninteractive
+
+RUN apt-get update && \
+    apt-get upgrade -y && \
+    apt-get install -y --no-install-recommends \
+        git \
+        gcc \
+        g++ \
+        cmake \
+        ninja-build \
+        python3 \
+        ca-certificates && \
+    # Build MLIR (no install — keep full build tree)
+    cd /opt && \
+    git clone --filter=blob:none --no-checkout https://github.com/llvm/llvm-project.git && \
+    cd llvm-project && \
+    git fetch --depth 1 origin 0c2701fe7fa002e1befc5f86c268a7964f96d286 && \
+    git checkout FETCH_HEAD && \
+    cmake -S llvm -B build \
+        -G Ninja \
+        -DCMAKE_BUILD_TYPE=Release \
+        -DLLVM_ENABLE_PROJECTS="mlir;clang" \
+        -DLLVM_ENABLE_RUNTIMES="openmp" \
+        -DLLVM_TARGETS_TO_BUILD="host" \
+        -DLLVM_ENABLE_ASSERTIONS=ON \
+        -DLLVM_ENABLE_RTTI=ON \
+        -DENABLE_LIBOMPTARGET=OFF \
+        -DLLVM_ENABLE_LIBEDIT=OFF \
+        -DLLVM_PARALLEL_LINK_JOBS=1 && \
+    cmake --build build -j $(nproc) && \
+    # Build protobuf
+    cd /tmp && \
+    git clone --depth 1 --branch v34.0 https://github.com/protocolbuffers/protobuf && \
+    cd protobuf && \
+    cmake -S . -B build \
+        -G Ninja \
+        -DCMAKE_BUILD_TYPE=Release \
+        -DCMAKE_INSTALL_PREFIX=/opt/protobuf && \
+    cmake --build build -j $(nproc) && \
+    cmake --build build -- install && \
+    # Cleanup only temp files, keep /opt/llvm-project
+    rm -rf /tmp/*
+
+FROM ubuntu:24.04
+
+ENV DEBIAN_FRONTEND=noninteractive
+
+RUN apt-get update && \
+    apt-get upgrade -y && \
+    apt-get install -y --no-install-recommends \
+        ca-certificates \
+        cmake \
+        ninja-build \
+        build-essential \
+        python3 \
+        python3-pip && \
+    apt-get autoremove -y && \
+    apt-get clean -y && \
+    rm -rf /var/lib/apt/lists/*
+
+COPY --from=builder /opt/llvm-project /opt/llvm-project
+COPY --from=builder /opt/protobuf /opt/protobuf
+
+RUN echo "/opt/protobuf/lib" > /etc/ld.so.conf.d/protobuf.conf && ldconfig