Test several versions of CMake

.github/docker_images/cmake_build_versions/Dockerfile

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+# Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
+# SPDX-License-Identifier: Apache-2.0 OR ISC
+
+FROM amazonlinux:2023
+
+ARG CMAKE_VERSION
+ARG CMAKE_DOWNLOAD_URL
+ARG CMAKE_SHA256
+
+VOLUME ["/awslc"]
+
+RUN dnf install -y tar ninja-build golang gcc gcc-c++ libcurl-devel libarchive-devel zlib-devel xz-devel
+
+RUN mkdir /cmake
+
+COPY cmake_build.sh /
+COPY aws_lc_rs_build.sh /
+COPY entry.sh /
+
+WORKDIR /cmake
+
+RUN curl -L -o source.tar.gz "${CMAKE_DOWNLOAD_URL}"  && \
+    echo "${CMAKE_SHA256} source.tar.gz" | sha256sum -c - && \
+    mkdir source && \
+    tar -x -f source.tar.gz -v --strip-components=1 -C source
+
+WORKDIR /cmake/source
+
+RUN /cmake_build.sh
+
+RUN useradd -m docker
+USER docker
+RUN cd "${HOME}" && \
+    git config --global --add safe.directory '*' && \
+    curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs > ./rustup.sh && \
+    chmod +x ./rustup.sh && \
+    ./rustup.sh -y && \
+    . "${HOME}/.cargo/env" && \
+    cargo install --locked bindgen-cli && \
+    rustup component add rustfmt clippy && \
+    rm ./rustup.sh
+
+ENV AWS_LC_SYS_CMAKE_BUILDER=1
+
+ENTRYPOINT ["/entry.sh"]

.github/docker_images/cmake_build_versions/aws_lc_rs_build.sh

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+#!/usr/bin/env bash
+
+# Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
+# SPDX-License-Identifier: Apache-2.0 OR ISC
+
+set -ex -o pipefail
+
+echo "Building with CMake Version: $(cmake --version)"
+
+. "${HOME}/.cargo/env"
+SRC_DIR="${SRC_DIR:-/aws_lc_rs}"
+
+sudo chown "$USER":"$USER" "${SRC_DIR}" -R
+
+pushd "${SRC_DIR}"
+cargo clean
+cargo test -p aws-lc-rs --features=unstable
+cargo clean
+cargo test -p aws-lc-rs --features=unstable,fips
+cargo clean
+cargo test -p aws-lc-rs --release --features=unstable
+cargo clean
+cargo test -p aws-lc-rs --release --features=unstable,fips
+
+
+popd # ${BUILD_DIR}

.github/docker_images/cmake_build_versions/cmake_build.sh

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+#!/usr/bin/env bash
+
+# Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
+# SPDX-License-Identifier: Apache-2.0 OR ISC
+
+set -ex -o pipefail
+
+echo "Building CMake Version: ${CMAKE_VERSION:-unknown}"
+
+NUM_CPU_THREADS=$(grep -c ^processor /proc/cpuinfo)
+
+# At the moment this works fine for all versions, in the future build logic can be modified to
+# look at it ${CMAKE_VERSION}.
+./configure --prefix=/opt/cmake --system-curl --system-libarchive
+make -j"${NUM_CPU_THREADS}"
+make install

.github/docker_images/cmake_build_versions/entry.sh

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+#!/usr/bin/env bash
+
+# Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
+# SPDX-License-Identifier: Apache-2.0 OR ISC
+
+set -ex -o pipefail
+
+export PATH="/opt/cmake/bin:${PATH}"
+
+/aws_lc_rs_build.sh "${argv[@]}"

.github/workflows/cmake.yml

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+name: CMake Compatability
+on:
+  push:
+    branches: [ '*' ]
+  pull_request:
+    branches: [ '*' ]
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref_name }}
+  cancel-in-progress: true
+env:
+  DOCKER_BUILDKIT: 1
+  GOPROXY: https://proxy.golang.org,direct
+jobs:
+  cmake:
+    if: github.repository_owner == 'aws'
+    name: CMake ${{ matrix.cmake.version}} build with ${{ matrix.generator}}
+    strategy:
+      fail-fast: false
+      matrix:
+        cmake:
+          - { version: "3.5", url: "https://cmake.org/files/v3.5/cmake-3.5.0.tar.gz", hash: "92c83ad8a4fd6224cf6319a60b399854f55b38ebe9d297c942408b792b1a9efa" }
+          - { version: "3.28", url: "https://cmake.org/files/v3.28/cmake-3.28.1.tar.gz", hash: "15e94f83e647f7d620a140a7a5da76349fc47a1bfed66d0f5cdee8e7344079ad" }
+          - { version: "4.0", url: "https://cmake.org/files/v4.0/cmake-4.0.0-rc3.tar.gz", hash: "d1ae66637fb083efde5c12b45a76ab9bcd419970979c93b14a0d0d21eb8c6c08" }
+    runs-on: ubuntu-latest
+    env:
+      DOCKER_BUILDKIT: 1
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          submodules: "recursive"
+      - name: Build Docker Image
+        working-directory: .github/docker_images/cmake_build_versions
+        run: |
+          docker build -t "cmake-${{ matrix.cmake.version }}" --build-arg CMAKE_VERSION=${{ matrix.cmake.version }} --build-arg CMAKE_DOWNLOAD_URL=${{ matrix.cmake.url }} --build-arg CMAKE_SHA256=${{ matrix.cmake.hash }} .
+      - name: Test - Debug
+        run: |
+          docker run -v "${{ github.workspace }}:/aws_lc_rs" "cmake-${{ matrix.cmake.version }}"
+      - name: Test - Release
+        run: |
+          docker run -v "${{ github.workspace }}:/aws_lc_rs" "cmake-${{ matrix.cmake.version }}"