FROM ubuntu:20.04 ENV DEBIAN_FRONTEND noninteractive RUN \ apt-get -y update && \ apt-get -y dist-upgrade && \ apt-get -y install build-essential yasm nasm pkg-config git curl wget cmake unzip subversion autoconf automake libtool cmake clang texinfo texi2html gperf ragel libc6-dev gawk meson ninja-build p7zip-full python3-distutils python3-apt && \ apt-get -y clean ADD run_stage.sh /usr/bin/run_stage ADD git-mini-clone.sh /usr/bin/git-mini-clone ADD check-wget.sh /usr/bin/check-wget