FROM  ubuntu:focal AS build-env
RUN apt-get update &&  DEBIAN_FRONTEND="noninteractive" \
    apt-get --yes --no-install-recommends install \
    gawk wget git diffstat unzip texinfo gcc build-essential \
    chrpath socat cpio python3 python3-pip python3-pexpect \
    xz-utils debianutils iputils-ping python3-git \
    python3-jinja2 libegl1-mesa libsdl1.2-dev pylint3 \
    xterm python3-subunit mesa-common-dev zstd liblz4-tool file locales locales-all
ENV LC_ALL en_US.UTF-8
ENV LANG en_US.UTF-8
ENV LANGUAGE en_US.UTF-8