[cross-gcc/f19] (7 commits) ...Symlink packages don't get their own sysroots

[David Howells]

Summary of changes:

  819916e... Upgrade to gcc-4.8.2-15 (*)
  e50020f... Enable sysroot [BZ 1011415] (*)
  e8f0b5e... Add C++ support [BZ 1078108] (*)
  c2dfb7b... Fix sysroot [BZ 1011415] (*)
  aeddc83... Need matching sysroot from cross-binutils-2.24-2 (*)
  8f50e11... Need to set all cross-binutils requirements (*)
  6df061e... Symlink packages don't get their own sysroots (*)

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