[gc/f15] (9 commits) ...7.2b-2

[Rex Dieter]

Summary of changes:

  fb25af2... gc-7.2alpha6 build with -DUSE_GET_STACKBASE_FOR_MAIN (#6898 (*)
  b8fffc8... put back --enable-threads=posix (*)
  bc69c50... - Rebuilt for glibc bug#747377 (*)
  849bf5f... - Rebuilt for https://fedoraproject.org/wiki/Fedora_17_Mass (*)
  73b5e99... libatomic_ops: use -DAO_USE_PTHREAD_DEFS on ARMv5 (*)
  63c6a35... 7.2-1 (*)
  846809b... unpackaged files (*)
  2b3d2f3... gc-7.2b (*)
  16efc89... 7.2b-2 (*)

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