Add GH CI build for gcc-4.8

.github/docker_images/gcc-4.8/Dockerfile

@@ -0,0 +1,19 @@
+# Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
+# SPDX-License-Identifier: Apache-2.0 OR ISC
+
+FROM gcc:4.8
+
+VOLUME ["/awslc"]
+
+COPY awslc_build.sh /
+
+WORKDIR /
+
+RUN curl -LOk "https://github.com/Kitware/CMake/releases/download/v3.6.3/cmake-3.6.3-Linux-x86_64.tar.gz"
+RUN echo "9d915d505c07d84b610e1be6242c7cad68b4b7a4090ce85ecf9cec5effa47c43 cmake-3.6.3-Linux-x86_64.tar.gz" | sha256sum -c -
+RUN tar -C /usr/local -xzf cmake-3.6.3-Linux-x86_64.tar.gz
+RUN rm cmake-3.6.3-Linux-x86_64.tar.gz
+
+ENV PATH="${PATH}:/usr/local/cmake-3.6.3-Linux-x86_64/bin"
+
+ENTRYPOINT ["/awslc_build.sh"]

.github/docker_images/gcc-4.8/awslc_build.sh

@@ -0,0 +1,19 @@
+#!/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 GCC Version: $(gcc --version)"
+
+BUILD_DIR=$(mktemp -d)
+SRC_DIR="${SRC_DIR:-/awslc}"
+CMAKE_CONFIGURE_ARGS=("${argv[@]}")
+
+pushd "${BUILD_DIR}"
+
+cmake "${SRC_DIR}" "${CMAKE_CONFIGURE_ARGS[@]}"
+make -j 4 ssl
+
+popd # ${BUILD_DIR}

.github/workflows/actions-ci.yml

@@ -447,6 +447,18 @@ jobs:
             env
             tests/ci/run_openbsd_tests.sh ${{ matrix.args }}
             EOF
+  gcc-4_8:
+    # TODO: needs: [sanity-test-run]
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Build Docker Image
+        working-directory: .github/docker_images/gcc-4.8
+        run: |
+          docker build -t "gcc-4.8"  .
+      - name: Build using pre-generated assembly
+        run: |
+          docker run -v "${{ github.workspace }}:/awslc" "gcc-4.8" "-DDISABLE_GO=ON" "-DDISABLE_PERL=ON" "-DMY_ASSEMBLER_IS_TOO_OLD_FOR_512AVX=1"
 
     # TODO: Investigate sudden hanging tests and failures in GHA runners (P114059413)
 #  MSVC-SDE-32-bit: