Drop support for GCC 7

tools/dashboard/dashboard.conf

@@ -105,12 +105,6 @@ name:        Ubuntu, GCC 8 (ssmp)
 host:        GCP
 report_url:  https://storage.googleapis.com/cp2k-ci/dashboard_gcc8_report.txt
 
-[gcc7]
-sortkey:     456
-name:        Ubuntu, GCC 7 (ssmp)
-host:        GCP
-report_url:  https://storage.googleapis.com/cp2k-ci/dashboard_gcc7_report.txt
-
 # ==============================================================================
 
 [cuda-pascal]

tools/docker/Dockerfile.test_gcc7

@@ -1,118 +0,0 @@
-#
-# This file was created by generate_dockerfiles.py.
-# Usage: docker build -f ./Dockerfile.test_gcc7 ../../
-#
-
-FROM ubuntu:20.04
-
-# Install Ubuntu packages.
-RUN export DEBIAN_FRONTEND=noninteractive DEBCONF_NONINTERACTIVE_SEEN=true && \
-    apt-get update -qq && apt-get install -qq --no-install-recommends \
-    cmake \
-    gcc-7 \
-    g++-7 \
-    gfortran-7 \
-    libfftw3-dev \
-    libopenblas-dev \
-    libgsl-dev \
-    libhdf5-dev \
-   && rm -rf /var/lib/apt/lists/*
-
-# Create links in /usr/local/bin to overrule links in /usr/bin.
-RUN ln -sf /usr/bin/gcc-7      /usr/local/bin/gcc  && \
-    ln -sf /usr/bin/g++-7      /usr/local/bin/g++  && \
-    ln -sf /usr/bin/gfortran-7 /usr/local/bin/gfortran
-
-# Install requirements for the toolchain.
-WORKDIR /opt/cp2k-toolchain
-COPY ./tools/toolchain/install_requirements*.sh ./
-RUN ./install_requirements.sh ubuntu
-
-# Install the toolchain.
-RUN mkdir scripts
-COPY ./tools/toolchain/scripts/VERSION \
-     ./tools/toolchain/scripts/parse_if.py \
-     ./tools/toolchain/scripts/tool_kit.sh \
-     ./tools/toolchain/scripts/common_vars.sh \
-     ./tools/toolchain/scripts/signal_trap.sh \
-     ./tools/toolchain/scripts/get_openblas_arch.sh \
-     ./scripts/
-COPY ./tools/toolchain/install_cp2k_toolchain.sh .
-RUN ./install_cp2k_toolchain.sh \
-    --mpi-mode=no \
-    --with-gcc=system \
-    --with-cmake=system \
-    --with-fftw=system \
-    --with-openblas=system \
-    --with-gsl=system \
-    --with-hdf5=system \
-    --with-libint=install \
-    --with-libxc=install \
-    --with-libxsmm=install \
-    --with-libvori=install \
-    --dry-run
-
-# Dry-run leaves behind config files for the followup install scripts.
-# This breaks up the lengthy installation into smaller docker build steps.
-COPY ./tools/toolchain/scripts/stage0/ ./scripts/stage0/
-RUN  ./scripts/stage0/install_stage0.sh && rm -rf ./build
-
-COPY ./tools/toolchain/scripts/stage1/ ./scripts/stage1/
-RUN  ./scripts/stage1/install_stage1.sh && rm -rf ./build
-
-COPY ./tools/toolchain/scripts/stage2/ ./scripts/stage2/
-RUN  ./scripts/stage2/install_stage2.sh && rm -rf ./build
-
-COPY ./tools/toolchain/scripts/stage3/ ./scripts/stage3/
-RUN  ./scripts/stage3/install_stage3.sh && rm -rf ./build
-
-COPY ./tools/toolchain/scripts/stage4/ ./scripts/stage4/
-RUN  ./scripts/stage4/install_stage4.sh && rm -rf ./build
-
-COPY ./tools/toolchain/scripts/stage5/ ./scripts/stage5/
-RUN  ./scripts/stage5/install_stage5.sh && rm -rf ./build
-
-COPY ./tools/toolchain/scripts/stage6/ ./scripts/stage6/
-RUN  ./scripts/stage6/install_stage6.sh && rm -rf ./build
-
-COPY ./tools/toolchain/scripts/stage7/ ./scripts/stage7/
-RUN  ./scripts/stage7/install_stage7.sh && rm -rf ./build
-
-COPY ./tools/toolchain/scripts/stage8/ ./scripts/stage8/
-RUN  ./scripts/stage8/install_stage8.sh && rm -rf ./build
-
-COPY ./tools/toolchain/scripts/arch_base.tmpl \
-     ./tools/toolchain/scripts/generate_arch_files.sh \
-     ./scripts/
-RUN ./scripts/generate_arch_files.sh && rm -rf ./build
-
-# Install CP2K using local.ssmp.
-WORKDIR /opt/cp2k
-COPY ./Makefile .
-COPY ./src ./src
-COPY ./exts ./exts
-COPY ./tools/build_utils ./tools/build_utils
-RUN /bin/bash -c " \
-    mkdir -p arch && \
-    ln -vs /opt/cp2k-toolchain/install/arch/local.ssmp ./arch/ && \
-    echo 'Compiling cp2k...' && \
-    source /opt/cp2k-toolchain/install/setup && \
-    ( make -j ARCH=local VERSION=ssmp &> /dev/null || true ) && \
-    rm -rf lib obj"
-COPY ./data ./data
-COPY ./tests ./tests
-COPY ./tools/regtesting ./tools/regtesting
-
-# Run regression tests.
-ARG TESTOPTS="--skipdir=QS/regtest-rs-dhft"
-COPY ./tools/docker/scripts/test_regtest.sh ./
-RUN /bin/bash -o pipefail -c " \
-    TESTOPTS="${TESTOPTS}" \
-    ./test_regtest.sh 'local' 'ssmp' |& tee report.log && \
-    rm -rf regtesting"
-
-# Output the report if the image is old and was therefore pulled from the build cache.
-CMD cat $(find ./report.log -mmin +10) | sed '/^Summary:/ s/$/ (cached)/'
-ENTRYPOINT []
-
-#EOF

tools/docker/cp2k-ci.conf

@@ -135,13 +135,6 @@ dockerfile:   /tools/docker/Dockerfile.test_asan-psmp
 
 #-------------------------------------------------------------------------------
 
-[gcc7]
-display_name: Ubuntu, GCC 7 (ssmp)
-cpu:          32
-nodepools:    pool-t2d-32
-build_path:   /
-dockerfile:   /tools/docker/Dockerfile.test_gcc7
-
 [gcc8]
 display_name: Ubuntu, GCC 8 (ssmp)
 cpu:          32

tools/docker/generate_dockerfiles.py

@@ -57,7 +57,7 @@ def main() -> None:
         with OutputFile(f"Dockerfile.test_coverage-{version}", args.check) as f:
             f.write(toolchain_full() + coverage(version))
 
-    for gcc_version in 7, 8, 9, 10, 11, 12:
+    for gcc_version in 8, 9, 10, 11, 12:
         with OutputFile(f"Dockerfile.test_gcc{gcc_version}", args.check) as f:
             img = "ubuntu:22.04" if gcc_version > 8 else "ubuntu:20.04"
             f.write(toolchain_ubuntu_nompi(base_image=img, gcc_version=gcc_version))