anchor.diff:  ----
   +
   
  +NOTE: We include https://github.com/OpenSCAP/yaml-filter[yaml-filter] library
  +as a git submodule. To get more information about using git submodules, read
  +https://git-scm.com/book/en/v2/Git-Tools-Submodules[Git Tools - Submodules].
  +
   . *Get the build dependencies*
   +
   --
  
positive.code: cmake dbus-devel libacl-devel libblkid-devel libcap-devel libcurl-devel \
  libgcrypt-devel libselinux-devel libxml2-devel libxslt-devel libattr-devel make openldap-devel \
  pcre-devel perl-XML-Parser perl-XML-XPath perl-devel python36-devel rpm-devel swig \
  bzip2-devel gcc-c++
  ----
  
  On Ubuntu 16.04, Debian 8 or Debian 9, the command to install the build dependencies is:
  
negative.code: sudo apt-get install -y cmake libdbus-1-dev libdbus-glib-1-dev libcurl4-openssl-dev \
  libgcrypt20-dev libselinux1-dev libxslt1-dev libgconf2-dev libacl1-dev libblkid-dev \
  libcap-dev libxml2-dev libldap2-dev libpcre3-dev python-dev swig libxml-parser-perl \
  libxml-xpath-perl libperl-dev libbz2-dev librpm-dev g++ libapt-pkg-dev libyaml-dev
  ----
  
  When you have all the build dependencies installed you can build the library.
  