anchor.diff:  FROM alpine:3.13
   
   ENV LIBISCSI_VERSION 1.18.0
  -ENV NUMACTL_VERSION 2.0.12
   ENV QEMU_VERSION 4.1.0
   ENV QUILT_VERSION 0.65
   
  
positive.code:  && cd quilt-$QUILT_VERSION \
   && ./configure && make -j "$(nproc)" && make install \
   && cd && rm -r quilt-$QUILT_VERSION \
   # Build numactl since Alpine 3.7 doesn't have it anymore.
   && curl -OL https://github.com/numactl/numactl/archive/v$NUMACTL_VERSION.tar.gz \
   && tar xzvf v$NUMACTL_VERSION.tar.gz \
   && rm v$NUMACTL_VERSION.tar.gz \
   && cd numactl-$NUMACTL_VERSION \
   && libtoolize \
   && ./autogen.sh \
   && ./configure && make -j "$(nproc)" && make install \
   && cd && rm -r numactl-$NUMACTL_VERSION \
   # Build libiscsi
   && curl -OL https://github.com/sahlberg/libiscsi/archive/$LIBISCSI_VERSION.tar.gz \
   && tar xzvf $LIBISCSI_VERSION.tar.gz \
  
negative.code:         libnfs-dev \
          libpng-dev \
          libseccomp-dev \
          numactl-dev \
          # https://wiki.qemu.org/ChangeLog/4.1#Build_Dependencies
          libssh-dev \
          libusb-dev \
  