{"group":"perl_features","uses":[{"description":"PERL_FEATURES setting enabling internal debug support in Perl","group":"perl_features","isdefault":false,"use":"debug"},{"description":"PERL_FEATURES setting enabling interpreter level threads, has some compatibility problems","group":"perl_features","isdefault":false,"use":"ithreads"},{"description":"PERL_FEATURES setting enabling 128bit floating point arithmetic via libquadmath","group":"perl_features","isdefault":false,"use":"quadmath"}]}