usrBinReqs = ( 'groff', 'nroff', 'gtbl', 'geqn', 'grefer', 'gpic',
            'less', 'cmp', 'bzip2', )
        binReqs= ( 'cat', 'gunzip', 'zcat', )
        for x in usrBinReqs:
            location = '/usr/bin/'
            r.Requires(location+requirement, '%(sysconfdir)s/man.config')
        for x in binReqs:
            location = '/bin/'
            r.Requires(location+requirement, '%(sysconfdir)s/man.config')