anchor.diff:  FROM ubuntu:18.04
   ENV DEBIAN_FRONTEND=noninteractive
  -# FROM debian:jessie
   
   MAINTAINER Anders Åslund <anders.aslund@teknoir.se>
   
  
positive.code: COPY pthsem_2.0.8.tar.gz /root/pthsem_2.0.8.tar.gz
  RUN tar xzf pthsem_2.0.8.tar.gz
  WORKDIR /root/pthsem-2.0.8
  RUN sleep 1
  RUN dpkg-buildpackage -b -uc
  WORKDIR /root
  RUN sleep 1
  RUN dpkg -i libpthsem*.deb
  
  # now build+install knxd itself
  
negative.code: RUN git checkout master
  RUN dpkg-buildpackage -b -uc
  WORKDIR /root
  RUN dpkg -i knxd_*.deb knxd-tools_*.deb
  
  # clean up
  