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

[T.C. Hollingsworth]

Summary of changes:

  9472c43... add macro for EPEL6 dependency generation (*)
  7171d77... invoke EPEL dependency generator macro conditionally to mak (*)
  a7f630e... restrict to compatible arches (*)

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