[devtodo/f19] (6 commits) ...Apply a patch to get it building on AArch64

[Patrick Uiterwijk]

Summary of changes:

  d86a87e... Execute autoreconf to get AArch64 working (*)
  c6888f8... Add autoconf buildreq (*)
  4982c3f... Fix the autoreconf'ing (*)
  e029ee3... Fix (*)
  8b9724d... Fix patch p-level (*)
  2c28aaa... Apply a patch to get it building on AArch64 (*)

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