[nodejs-ini/f18] (3 commits) ...restrict to compatible arches

[T.C. Hollingsworth]

Summary of changes:

  684d18d... add macro for EPEL6 dependency generation (*)
  b14ecd8... invoke EPEL dependency generator macro conditionally to mak (*)
  2301b4c... restrict to compatible arches (*)

(*) This commit already existed in another branch; no separate mail sent