[ghc/epel7] (19 commits) ...Merge remote-tracking branch 'origin/f20' into epel7

[Jens Petersen]

Summary of changes:

  9340b05... update to new stable major version 7.6.3 (*)
  67bcee1... only require ghc-doc-index if we package it (*)
  2b100fa... production build with BuildFlavour perf; obsolete process-l (*)
  025408a... reinstate and refresh Cabal-fix-dynamic-exec-for-TH.patch (*)
  4d0408e... correct the option list name in the Cabal dynexe TH patch (*)
  d5b07bc... bump release to integer 12 (*)
  7b74369... production build (*)
  3c760a9... fix compilation with llvm-3.3 (*)
  4e3e8f4... turn off executable stack flag in executables (#973512) (*)
  0752284... Revert "turn off executable stack flag in executables (#973 (*)
  a044dc3... temporary bootstrap build for ARM with llvm-3.3 fix (*)
  b019f63... Revert "temporary bootstrap build for ARM with llvm-3.3 fix (*)
  0d40f8d... silence warnings about unsupported llvm version (> 3.1) on  (*)
  ddf9e36... follow http://fedoraproject.org/wiki/Packaging:CronFiles (*)
  56bcb63... bootstrap build to fix rts hang on 64bit bigendian archs (*)
  08c5539... enable debuginfo; production build again (*)
  61fc08e... fix segfault on i686 when using ffi double-mapping for seli (*)
  5f31880... Revert back to 7.4.2-11 (83540ee) to ease ghc-7.6.3 rebase 
  ac70786... Merge remote-tracking branch 'origin/f20' into epel7

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