util/dockerfiles/ubuntu-20.04_clang-version/Dockerfile

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FROM ubuntu:20.04

# Valid version values:
# 6.0
# 7
# 8
# 9
# 10
# 11
# 12
ARG version

ENV DEBIAN_FRONTEND=noninteractive
RUN apt -y update && apt -y upgrade && \
    apt -y install git m4 scons zlib1g zlib1g-dev libprotobuf-dev \
    protobuf-compiler libprotoc-dev libgoogle-perftools-dev python3-dev \
    python-is-python3 doxygen libboost-all-dev libhdf5-serial-dev \
    python3-pydot libpng-dev clang-${version} make

RUN apt-get --purge -y remove gcc

RUN update-alternatives --install \
    /usr/bin/clang++ clang++ /usr/bin/clang++-${version} 100
RUN update-alternatives --install \
    /usr/bin/clang clang /usr/bin/clang-${version} 100
RUN update-alternatives --install \
    /usr/bin/c++ c++ /usr/bin/clang++-${version} 100
RUN update-alternatives --install \
    /usr/bin/cc cc /usr/bin/clang-${version} 100