Add azurelinux 3.0 images with latest LLVM for .NET 9

src/azurelinux/3.0/cross/amd64-alpine-net9.0/Dockerfile

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+FROM mcr.microsoft.com/dotnet-buildtools/prereqs:azurelinux-3.0-crossdeps-builder-net9.0-local AS builder
+ARG ROOTFS_DIR=/crossrootfs/x64
+
+RUN /scripts/eng/common/cross/build-rootfs.sh x64 alpine3.13 --skipunmount
+
+
+FROM mcr.microsoft.com/dotnet-buildtools/prereqs:azurelinux-3.0-crossdeps-llvm-net9.0-local
+ARG ROOTFS_DIR=/crossrootfs/x64
+
+COPY --from=builder $ROOTFS_DIR $ROOTFS_DIR

src/azurelinux/3.0/cross/amd64-net9.0/Dockerfile

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+FROM mcr.microsoft.com/dotnet-buildtools/prereqs:azurelinux-3.0-crossdeps-builder-net9.0-local AS builder
+ARG ROOTFS_DIR=/crossrootfs/x64
+
+RUN /scripts/eng/common/cross/build-rootfs.sh x64 xenial --skipunmount
+
+# Build compiler-rt profile library for PGO instrumentation
+RUN mkdir compiler-rt_build && cd compiler-rt_build && \
+    BUILD_FLAGS="-v --sysroot=$ROOTFS_DIR" \
+    TARGET_TRIPLE="x86_64-linux-gnu" && \
+    cmake ../llvm-project.src/compiler-rt \
+        -DCOMPILER_RT_BUILD_PROFILE=ON \
+        -DCOMPILER_RT_BUILD_SANITIZERS=ON \
+        -DCOMPILER_RT_DEFAULT_TARGET_ONLY=ON \
+        \
+        -DCOMPILER_RT_BUILD_BUILTINS=OFF \
+        -DCOMPILER_RT_BUILD_CRT=OFF \
+        -DCOMPILER_RT_BUILD_GWP_ASAN=OFF \
+        -DCOMPILER_RT_BUILD_LIBFUZZER=OFF \
+        -DCOMPILER_RT_BUILD_MEMPROF=OFF \
+        -DCOMPILER_RT_BUILD_ORC=OFF \
+        -DCOMPILER_RT_BUILD_XRAY=OFF \
+        \
+        -DCMAKE_BUILD_TYPE=Release \
+        -DCMAKE_ASM_COMPILER=clang \
+        -DCMAKE_C_COMPILER=clang \
+        -DCMAKE_CXX_COMPILER=clang++ \
+        -DCMAKE_SHARED_LINKER_FLAGS="-fuse-ld=lld" \
+        -DCMAKE_EXE_LINKER_FLAGS="-fuse-ld=lld" \
+        -DCMAKE_ASM_COMPILER_TARGET="${TARGET_TRIPLE}" \
+        -DCMAKE_C_COMPILER_TARGET="${TARGET_TRIPLE}" \
+        -DCMAKE_CXX_COMPILER_TARGET="${TARGET_TRIPLE}" \
+        -DCMAKE_ASM_FLAGS="${BUILD_FLAGS}" \
+        -DCMAKE_C_FLAGS="${BUILD_FLAGS}" \
+        -DCMAKE_CXX_FLAGS="${BUILD_FLAGS}" && \
+    make -j $(getconf _NPROCESSORS_ONLN)
+
+RUN LLVM_VERSION=18.1.3 LLVM_VERSION_MAJOR="${LLVM_VERSION%%.*}" SANITIZER_RUNTIMES_DIR=/sanitizer-runtimes && \
+    mkdir -p $ROOTFS_DIR/usr/lib/llvm-${LLVM_VERSION_MAJOR}/lib/clang/${LLVM_VERSION}/lib/linux/ && \
+    cp compiler-rt_build/lib/linux/libclang_rt.profile-x86_64.a $ROOTFS_DIR/usr/lib/llvm-${LLVM_VERSION_MAJOR}/lib/clang/${LLVM_VERSION}/lib/linux/ && \
+    mkdir ${SANITIZER_RUNTIMES_DIR} && \
+    cp compiler-rt_build/lib/linux/libclang_rt.*-x86_64.a $SANITIZER_RUNTIMES_DIR
+
+
+FROM mcr.microsoft.com/dotnet-buildtools/prereqs:azurelinux-3.0-crossdeps-llvm-net9.0-local
+ARG ROOTFS_DIR=/crossrootfs/x64
+ARG LLVM_VERSION_MAJOR=18
+
+COPY --from=builder $ROOTFS_DIR $ROOTFS_DIR
+COPY --from=builder /sanitizer-runtimes /usr/local/lib/clang/$LLVM_VERSION_MAJOR/lib/linux/
+COPY --from=builder compiler-rt_build/include/sanitizer /usr/local/lib/clang/$LLVM_VERSION_MAJOR/include/sanitizer/

src/azurelinux/3.0/cross/arm-alpine-net9.0/Dockerfile

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+FROM mcr.microsoft.com/dotnet-buildtools/prereqs:azurelinux-3.0-crossdeps-builder-net9.0-local AS builder
+ARG ROOTFS_DIR=/crossrootfs/arm
+
+RUN /scripts/eng/common/cross/build-rootfs.sh arm alpine3.13 --skipunmount
+
+
+FROM mcr.microsoft.com/dotnet-buildtools/prereqs:azurelinux-3.0-crossdeps-llvm-net9.0-local
+ARG ROOTFS_DIR=/crossrootfs/arm
+
+COPY --from=builder $ROOTFS_DIR $ROOTFS_DIR

src/azurelinux/3.0/cross/arm-net9.0/Dockerfile

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+FROM mcr.microsoft.com/dotnet-buildtools/prereqs:azurelinux-3.0-crossdeps-builder-net9.0-local AS builder
+ARG ROOTFS_DIR=/crossrootfs/arm
+
+RUN /scripts/eng/common/cross/build-rootfs.sh arm xenial --skipunmount
+
+# Build compiler-rt profile library for PGO instrumentation
+RUN mkdir compiler-rt_build && cd compiler-rt_build && \
+    BUILD_FLAGS="-v --sysroot=$ROOTFS_DIR" \
+    TARGET_TRIPLE="arm-linux-gnueabihf" && \
+    cmake ../llvm-project.src/compiler-rt \
+        -DCOMPILER_RT_BUILD_PROFILE=ON \
+        -DCOMPILER_RT_BUILD_SANITIZERS=ON \
+        -DCOMPILER_RT_DEFAULT_TARGET_ONLY=ON \
+        \
+        -DCOMPILER_RT_BUILD_BUILTINS=OFF \
+        -DCOMPILER_RT_BUILD_CRT=OFF \
+        -DCOMPILER_RT_BUILD_GWP_ASAN=OFF \
+        -DCOMPILER_RT_BUILD_LIBFUZZER=OFF \
+        -DCOMPILER_RT_BUILD_MEMPROF=OFF \
+        -DCOMPILER_RT_BUILD_ORC=OFF \
+        -DCOMPILER_RT_BUILD_XRAY=OFF \
+        \
+        -DCMAKE_BUILD_TYPE=Release \
+        -DCMAKE_ASM_COMPILER=clang \
+        -DCMAKE_C_COMPILER=clang \
+        -DCMAKE_CXX_COMPILER=clang++ \
+        -DCMAKE_SHARED_LINKER_FLAGS="-fuse-ld=lld" \
+        -DCMAKE_EXE_LINKER_FLAGS="-fuse-ld=lld" \
+        -DCMAKE_ASM_COMPILER_TARGET="${TARGET_TRIPLE}" \
+        -DCMAKE_C_COMPILER_TARGET="${TARGET_TRIPLE}" \
+        -DCMAKE_CXX_COMPILER_TARGET="${TARGET_TRIPLE}" \
+        -DCMAKE_ASM_FLAGS="${BUILD_FLAGS}" \
+        -DCMAKE_C_FLAGS="${BUILD_FLAGS}" \
+        -DCMAKE_CXX_FLAGS="${BUILD_FLAGS}" && \
+    make -j $(getconf _NPROCESSORS_ONLN)
+
+RUN LLVM_VERSION=18.1.3 LLVM_VERSION_MAJOR="${LLVM_VERSION%%.*}" SANITIZER_RUNTIMES_DIR=/sanitizer-runtimes && \
+    mkdir -p $ROOTFS_DIR/usr/lib/llvm-${LLVM_VERSION_MAJOR}/lib/clang/${LLVM_VERSION}/lib/linux/ && \
+    cp compiler-rt_build/lib/linux/libclang_rt.profile-armhf.a $ROOTFS_DIR/usr/lib/llvm-${LLVM_VERSION_MAJOR}/lib/clang/${LLVM_VERSION}/lib/linux/ && \
+    mkdir ${SANITIZER_RUNTIMES_DIR} && \
+    cp compiler-rt_build/lib/linux/libclang_rt.*-armhf.a $SANITIZER_RUNTIMES_DIR
+
+
+FROM mcr.microsoft.com/dotnet-buildtools/prereqs:azurelinux-3.0-crossdeps-llvm-net9.0-local
+ARG ROOTFS_DIR=/crossrootfs/arm
+ARG LLVM_VERSION_MAJOR=18
+
+COPY --from=builder $ROOTFS_DIR $ROOTFS_DIR
+COPY --from=builder /sanitizer-runtimes /usr/local/lib/clang/$LLVM_VERSION_MAJOR/lib/linux/
+COPY --from=builder compiler-rt_build/include/sanitizer /usr/local/lib/clang/$LLVM_VERSION_MAJOR/include/sanitizer/

src/azurelinux/3.0/cross/arm64-alpine-net9.0/Dockerfile

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+FROM mcr.microsoft.com/dotnet-buildtools/prereqs:azurelinux-3.0-crossdeps-builder-net9.0-local AS builder
+ARG ROOTFS_DIR=/crossrootfs/arm64
+
+RUN /scripts/eng/common/cross/build-rootfs.sh arm64 alpine3.13 --skipunmount
+
+
+FROM mcr.microsoft.com/dotnet-buildtools/prereqs:azurelinux-3.0-crossdeps-llvm-net9.0-local
+ARG ROOTFS_DIR=/crossrootfs/arm64
+
+COPY --from=builder $ROOTFS_DIR $ROOTFS_DIR

src/azurelinux/3.0/cross/arm64-net9.0/Dockerfile

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+FROM mcr.microsoft.com/dotnet-buildtools/prereqs:azurelinux-3.0-crossdeps-builder-net9.0-local AS builder
+ARG ROOTFS_DIR=/crossrootfs/arm64
+
+RUN /scripts/eng/common/cross/build-rootfs.sh arm64 xenial --skipunmount
+
+# Build compiler-rt profile library for PGO instrumentation
+RUN mkdir compiler-rt_build && cd compiler-rt_build && \
+    BUILD_FLAGS="-v --sysroot=$ROOTFS_DIR" \
+    TARGET_TRIPLE="aarch64-linux-gnu" && \
+    cmake ../llvm-project.src/compiler-rt \
+        -DCOMPILER_RT_BUILD_PROFILE=ON \
+        -DCOMPILER_RT_BUILD_SANITIZERS=ON \
+        -DCOMPILER_RT_DEFAULT_TARGET_ONLY=ON \
+        \
+        -DCOMPILER_RT_BUILD_BUILTINS=OFF \
+        -DCOMPILER_RT_BUILD_CRT=OFF \
+        -DCOMPILER_RT_BUILD_GWP_ASAN=OFF \
+        -DCOMPILER_RT_BUILD_LIBFUZZER=OFF \
+        -DCOMPILER_RT_BUILD_MEMPROF=OFF \
+        -DCOMPILER_RT_BUILD_ORC=OFF \
+        -DCOMPILER_RT_BUILD_XRAY=OFF \
+        \
+        -DCMAKE_BUILD_TYPE=Release \
+        -DCMAKE_ASM_COMPILER=clang \
+        -DCMAKE_C_COMPILER=clang \
+        -DCMAKE_CXX_COMPILER=clang++ \
+        -DCMAKE_SHARED_LINKER_FLAGS="-fuse-ld=lld" \
+        -DCMAKE_EXE_LINKER_FLAGS="-fuse-ld=lld" \
+        -DCMAKE_ASM_COMPILER_TARGET="${TARGET_TRIPLE}" \
+        -DCMAKE_C_COMPILER_TARGET="${TARGET_TRIPLE}" \
+        -DCMAKE_CXX_COMPILER_TARGET="${TARGET_TRIPLE}" \
+        -DCMAKE_ASM_FLAGS="${BUILD_FLAGS}" \
+        -DCMAKE_C_FLAGS="${BUILD_FLAGS}" \
+        -DCMAKE_CXX_FLAGS="${BUILD_FLAGS}" && \
+    make -j $(getconf _NPROCESSORS_ONLN)
+
+RUN LLVM_VERSION=18.1.3 LLVM_VERSION_MAJOR="${LLVM_VERSION%%.*}" SANITIZER_RUNTIMES_DIR=/sanitizer-runtimes && \
+    mkdir -p $ROOTFS_DIR/usr/lib/llvm-${LLVM_VERSION_MAJOR}/lib/clang/${LLVM_VERSION}/lib/linux/ && \
+    cp compiler-rt_build/lib/linux/libclang_rt.profile-aarch64.a $ROOTFS_DIR/usr/lib/llvm-${LLVM_VERSION_MAJOR}/lib/clang/${LLVM_VERSION}/lib/linux/ && \
+    mkdir ${SANITIZER_RUNTIMES_DIR} && \
+    cp compiler-rt_build/lib/linux/libclang_rt.*-aarch64.a $SANITIZER_RUNTIMES_DIR
+
+
+FROM mcr.microsoft.com/dotnet-buildtools/prereqs:azurelinux-3.0-crossdeps-llvm-net9.0-local
+ARG ROOTFS_DIR=/crossrootfs/arm64
+ARG LLVM_VERSION_MAJOR=18
+
+COPY --from=builder $ROOTFS_DIR $ROOTFS_DIR
+COPY --from=builder /sanitizer-runtimes /usr/local/lib/clang/$LLVM_VERSION_MAJOR/lib/linux/
+COPY --from=builder compiler-rt_build/include/sanitizer /usr/local/lib/clang/$LLVM_VERSION_MAJOR/include/sanitizer/

src/azurelinux/3.0/cross/x86-net9.0/Dockerfile

@@ -0,0 +1,50 @@
+FROM mcr.microsoft.com/dotnet-buildtools/prereqs:azurelinux-3.0-crossdeps-builder-net9.0-local AS builder
+ARG ROOTFS_DIR=/crossrootfs/x86
+
+RUN /scripts/eng/common/cross/build-rootfs.sh x86 xenial --skipunmount
+
+# Build compiler-rt profile library for PGO instrumentation
+RUN mkdir compiler-rt_build && cd compiler-rt_build && \
+    BUILD_FLAGS="-v --sysroot=$ROOTFS_DIR" \
+    TARGET_TRIPLE="i386-linux-gnu" && \
+    cmake ../llvm-project.src/compiler-rt \
+        -DCOMPILER_RT_BUILD_PROFILE=ON \
+        -DCOMPILER_RT_BUILD_SANITIZERS=ON \
+        -DCOMPILER_RT_DEFAULT_TARGET_ONLY=ON \
+        \
+        -DCOMPILER_RT_BUILD_BUILTINS=OFF \
+        -DCOMPILER_RT_BUILD_CRT=OFF \
+        -DCOMPILER_RT_BUILD_GWP_ASAN=OFF \
+        -DCOMPILER_RT_BUILD_LIBFUZZER=OFF \
+        -DCOMPILER_RT_BUILD_MEMPROF=OFF \
+        -DCOMPILER_RT_BUILD_ORC=OFF \
+        -DCOMPILER_RT_BUILD_XRAY=OFF \
+        \
+        -DCMAKE_BUILD_TYPE=Release \
+        -DCMAKE_ASM_COMPILER=clang \
+        -DCMAKE_C_COMPILER=clang \
+        -DCMAKE_CXX_COMPILER=clang++ \
+        -DCMAKE_SHARED_LINKER_FLAGS="-fuse-ld=lld" \
+        -DCMAKE_EXE_LINKER_FLAGS="-fuse-ld=lld" \
+        -DCMAKE_ASM_COMPILER_TARGET="${TARGET_TRIPLE}" \
+        -DCMAKE_C_COMPILER_TARGET="${TARGET_TRIPLE}" \
+        -DCMAKE_CXX_COMPILER_TARGET="${TARGET_TRIPLE}" \
+        -DCMAKE_ASM_FLAGS="${BUILD_FLAGS}" \
+        -DCMAKE_C_FLAGS="${BUILD_FLAGS}" \
+        -DCMAKE_CXX_FLAGS="${BUILD_FLAGS}" && \
+    make -j $(getconf _NPROCESSORS_ONLN)
+
+RUN LLVM_VERSION=18.1.3 LLVM_VERSION_MAJOR="${LLVM_VERSION%%.*}" SANITIZER_RUNTIMES_DIR=/sanitizer-runtimes && \
+    mkdir -p $ROOTFS_DIR/usr/lib/llvm-${LLVM_VERSION_MAJOR}/lib/clang/${LLVM_VERSION}/lib/linux/ && \
+    cp compiler-rt_build/lib/linux/libclang_rt.profile-i386.a $ROOTFS_DIR/usr/lib/llvm-${LLVM_VERSION_MAJOR}/lib/clang/${LLVM_VERSION}/lib/linux/ && \
+    mkdir ${SANITIZER_RUNTIMES_DIR} && \
+    cp compiler-rt_build/lib/linux/libclang_rt.*-i386.a $SANITIZER_RUNTIMES_DIR
+
+
+FROM mcr.microsoft.com/dotnet-buildtools/prereqs:azurelinux-3.0-crossdeps-llvm-net9.0-local
+ARG ROOTFS_DIR=/crossrootfs/x86
+ARG LLVM_VERSION_MAJOR=18
+
+COPY --from=builder $ROOTFS_DIR $ROOTFS_DIR
+COPY --from=builder /sanitizer-runtimes /usr/local/lib/clang/$LLVM_VERSION_MAJOR/lib/linux/
+COPY --from=builder compiler-rt_build/include/sanitizer /usr/local/lib/clang/$LLVM_VERSION_MAJOR/include/sanitizer/

src/azurelinux/3.0/crossdeps-builder-net9.0/Dockerfile

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+FROM azurelinuxpreview.azurecr.io/public/azurelinux/base/core:3.0
+
+RUN tdnf install -y \
+        # Common utilities
+        ca-certificates \
+        git \
+        tar \
+        wget \
+        # LLVM build dependencies
+        binutils \
+        clang \
+        cmake \
+        diffutils \
+        glibc-devel \
+        kernel-headers \
+        texinfo \
+        zlib-devel \
+        # Rootfs build dependencies
+        bzip2-devel \
+        debootstrap \
+        libarchive-devel \
+        openssl-devel
+
+# dependencies which are installed from extended repo require additional setup
+RUN wget https://packages.microsoft.com/azurelinux/3.0/preview/extended/x86_64/config.repo -O /etc/yum.repos.d/azurelinux-extended.repo && \
+    tdnf makecache && \
+    tdnf install -y \
+        libbsd-devel
+
+# Obtain ubuntu package signing key (for use by debootstrap)
+# 1. Add public key used to sign the ubuntu keyring
+COPY dimitri_john_ledkov.asc .
+RUN gpg --import dimitri_john_ledkov.asc && \
+    rm dimitri_john_ledkov.asc && \
+# 2. Download the ubuntu keyrings
+    wget https://mirrors.edge.kernel.org/ubuntu/pool/main/u/ubuntu-keyring/ubuntu-keyring_2021.03.26.tar.gz && \
+    echo "492eed5c06408c6f632577adb0796130af5d6542013ef418f47187a209e49bb1 ubuntu-keyring_2021.03.26.tar.gz" | sha256sum -c && \
+    tar xf ubuntu-keyring_2021.03.26.tar.gz && \
+    rm ubuntu-keyring_2021.03.26.tar.gz && \
+# 3. Verify keyrings
+    pushd ubuntu-keyring-2021.03.26 && \
+    gpg --output SHA512SUMS.txt --decrypt SHA512SUMS.txt.asc && \
+    sha512sum -c SHA512SUMS.txt && \
+# 4. Install the needed keyring and delete the rest
+    mkdir -p /usr/share/keyrings && \
+    mv keyrings/ubuntu-archive-keyring.gpg /usr/share/keyrings && \
+    popd && \
+    rm -r ubuntu-keyring-2021.03.26
+
+# 1. Obtain signing keys used to sign llvm sources
+RUN wget https://releases.llvm.org/release-keys.asc && \
+    echo "f181a90697e3ea4b7782f1ee48314a570aef058505b4f3a0ab0611094ec13241 release-keys.asc" | sha256sum -c && \
+    gpg --import release-keys.asc && \
+    rm release-keys.asc && \
+# 2. Download llvm sources and signature, and verify signature
+    LLVM_VERSION=18.1.4 && \
+    wget -O llvm-project.src.tar.xz.sig https://github.com/llvm/llvm-project/releases/download/llvmorg-${LLVM_VERSION}/llvm-project-${LLVM_VERSION}.src.tar.xz.sig && \
+    echo "85890dd268c32b97c23b03cffcca124a2ef592a1b12107e4c972ab3f5f9ae409 llvm-project.src.tar.xz.sig" | sha256sum -c && \
+    wget -O llvm-project.src.tar.xz https://github.com/llvm/llvm-project/releases/download/llvmorg-${LLVM_VERSION}/llvm-project-${LLVM_VERSION}.src.tar.xz && \
+    echo "2c01b2fbb06819a12a92056a7fd4edcdc385837942b5e5260b9c2c0baff5116b llvm-project.src.tar.xz" | sha256sum -c && \
+    gpg --verify llvm-project.src.tar.xz.sig && \
+    rm llvm-project.src.tar.xz.sig
+
+# Build LLVM cross-toolchain (with support for targeting x86/x64, arm64, arm, s390x and ppc64le architectures)
+RUN mkdir llvm-project.src && \
+    tar -xf llvm-project.src.tar.xz --directory llvm-project.src --strip-components=1 && \
+    rm llvm-project.src.tar.xz && \
+    mkdir build && cd build && \
+    cmake ../llvm-project.src/llvm \
+        -DCMAKE_BUILD_TYPE=Release \
+        -DCMAKE_C_COMPILER=clang \
+        -DCMAKE_CXX_COMPILER=clang++ \
+        -DLLVM_TARGETS_TO_BUILD="X86;AArch64;ARM;PowerPC;SystemZ" \
+        -Wno-dev \
+        -DLLVM_ENABLE_PROJECTS="clang;lld;clang-tools-extra" && \
+    make -j $(getconf _NPROCESSORS_ONLN) && \
+    make install
+
+# Obtain arcade scripts used to build rootfs
+RUN git config --global user.email builder@dotnet-buildtools-prereqs-docker && \
+    git clone --depth 1 --single-branch https://github.com/dotnet/arcade /scripts