function 
    /usr/local/lib/janet/jpm/make-config.janet  on  line  7 , column  1 
    (generate-config  &opt  destdir  silent  as-data )
    Make  a  pretty  good  configuration  file  for  the  current  target.  
    Returns  a  buffer  with  config  source  contents.  If  `destdir`  is  
    given , will  generate  the  folders  needed  to  create  a  jpm  tree.