FROM ghcr.io/ornladios/adios2:ci-spack-ubuntu20.04-base
ARG GCC_VERSION=8
RUN apt-get update && apt-get install -y \
gcc-${GCC_VERSION} \
g++-${GCC_VERSION} \
gfortran-${GCC_VERSION} && \
rm -rf /var/lib/apt/lists/* && \
update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-${GCC_VERSION} ${GCC_VERSION} && \
update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-${GCC_VERSION} ${GCC_VERSION} && \
update-alternatives --install /usr/bin/gfortran gfortran /usr/bin/gfortran-${GCC_VERSION} ${GCC_VERSION}
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