anchor.diff:  
           configureFlags = ''
             --disable-init-state
  -          --with-dbi=${perlPackages.DBI}/lib/perl5/site_perl
  -          --with-dbd-sqlite=${perlPackages.DBDSQLite}/lib/perl5/site_perl
  +          --with-dbi=${perlPackages.DBI}/${perl.libPrefix}
  +          --with-dbd-sqlite=${perlPackages.DBDSQLite}/${perl.libPrefix}
           '';
   
           dontInstall = false;
  
positive.code:           --with-docbook-rng=${docbook5}/xml/rng/docbook
            --with-docbook-xsl=${docbook5_xsl}/xml/xsl/docbook
            --with-xml-flags=--nonet
            --with-dbi=${perlPackages.DBI}/lib/perl5/site_perl
            --with-dbd-sqlite=${perlPackages.DBDSQLite}/lib/perl5/site_perl
          '';
  
          postUnpack = ''
  
negative.code: 
          configureFlags = ''
            --disable-init-state
            --with-dbi=${perlPackages.DBI}/${perl.libPrefix}
            --with-dbd-sqlite=${perlPackages.DBDSQLite}/${perl.libPrefix}
            --enable-gc
          '';
  
  