anchor.diff:      rm -r /root/glibmm-${GLIBMM} && \
       rm /root/glibmm.tar.gz
   
  -RUN DEBIAN_FRONTEND=noninteractive apt-get install -y autopoint libbison-dev flex gtk-doc-tools
  -
  -RUN cd /root && \
  -	git clone https://github.com/GStreamer/gstreamer/ && \
  -    cd gstreamer && \
  -	git checkout tags/1.10.0 && \
  -    ./autogen.sh && \
  -    make && \
  -    make install && \
  -    cd /root && \
  -    rm -r /root/gstreamer
  -
  -RUN cd /root && \
  -	git clone https://github.com/GStreamer/gst-plugins-base/ && \
  -    cd gst-plugins-base && \
  -	git checkout tags/1.10.0 && \
  -    ./autogen.sh && \
  -    make && \
  -    make install && \
  -    cd /root && \
  -    rm -r /root/gst-plugins-base
  -
  -RUN ACLOCAL_PATH="/usr/local/share/aclocal" && \
  -    export ACLOCAL_PATH && \
  -    curl -o /root/gstreamermm.tar.gz -SL https://github.com/GNOME/gstreamermm/archive/${GSTREAMERMM}.tar.gz && \
  -    cd /root && \
  -    tar -zxvf gstreamermm.tar.gz && \
  -    cd gstreamermm-${GSTREAMERMM} && \
  -    ./autogen.sh && \
  -    make && \
  -    make install && \
  -    cd /root && \
  -    rm -r /root/gstreamermm-${GSTREAMERMM} && \
  -    rm /root/gstreamermm.tar.gz
   
   RUN curl -o /root/spdlog.tar.gz -SL https://github.com/gabime/spdlog/archive/v${SPDLOG}.tar.gz && \
       cd /root && \
  
positive.code: 
  RUN update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-7 90
  RUN update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-7 90
  RUN mkdir -p /app
  
  ADD . /app
  
negative.code:   curl \
    libxml-parser-perl \
    git \
    g++-7 \
    libffi-dev \
    libmount-dev
  
  ENV MMCOMMON=0.9.10 SIGC=2.9.1 GLIB=2.50.1 GLIBMM=2.50.1 SPDLOG=0.16.3 CMAKE=3.10.3
  
  RUN curl -o /root/mm-common.tar.gz -SL https://github.com/GNOME/mm-common/archive/${MMCOMMON}.tar.gz && \
      cd /root && \
  