* Found these USE flags for dev-lang/perl-5.20.2:
 U I
 + + berkdb   : Add support for sys-libs/db (Berkeley DB for MySQL)
 - - debug    : Enable extra debug codepaths, like asserts and extra output. If you want to get
                meaningful backtraces see
                https://wiki.gentoo.org/wiki/Project:Quality_Assurance/Backtraces
 + + doc      : Add extra documentation (API, Javadoc, etc). It is recommended to enable per
                package instead of globally
 + + gdbm     : Add support for sys-libs/gdbm (GNU database libraries)
 + + ithreads : Enable Perl threads, has some compatibility problems