anchor.diff:      php71
       php72
       php73
  -    perl526
       perl
       perldevel
       ruby_2_3
  
positive.code:     ./configure php     --module=php71     --config=${php71.dev}/bin/php-config  --lib-path=${php71}/lib
      ./configure php     --module=php72     --config=${php72.dev}/bin/php-config  --lib-path=${php72}/lib
      ./configure php     --module=php73     --config=${php73.dev}/bin/php-config  --lib-path=${php73}/lib
      ./configure perl    --module=perl526   --perl=${perl526}/bin/perl
      ./configure perl    --module=perl      --perl=${perl}/bin/perl
      ./configure perl    --module=perl529   --perl=${perldevel}/bin/perl
      ./configure ruby    --module=ruby23    --ruby=${ruby_2_3}/bin/ruby
  
negative.code: , php71
  , php72
  , php73
  , perl
  , perldevel
  , ruby_2_3
  