[cross-gcc/f19] (9 commits) ...Enable cloog

[David Howells]

Summary of changes:

  9159a6a... - Rebuilt for https://fedoraproject.org/wiki/Fedora_20_Mass (*)
  0120f93... Turn the COPT= settings into CONFIG_FLAGS= so they get appl (*)
  e7775a8... Backport cleanups from RHEL-6.4 cross-compiler (*)
  34ff407... Macroise name prefix (*)
  6e96de4... Don't need to build a special instance just for documentati (*)
  9e15093... The hppa64 target cannot actually build hppa, so provide hp (*)
  2f2577d... Provide links for ppc{,64}-linux-gnu to powerpc{,64}-linux- (*)
  55820a4... Move to gcc-4.8.1 as is currently set for F20 (*)
  74f8e04... Enable cloog (*)

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