2 RUN echo "deb http://archive.ubuntu.com/ubuntu/ trusty universe multiverse" >> \
4 ENV PACKAGES flex bison \
45 libspice-protocol-dev \
58 RUN apt-get update && \
59 apt-get -y install $PACKAGES
60 RUN dpkg -l $PACKAGES | sort > /packages.txt
61 ENV FEATURES clang pyyaml sdl2