Fix build on armhfp

Fix BuildRequires for /usr/bin/python3
Resolves: #1615517

do not delete RPATH for bundled llvm
fix docs config
add llvm-D25865-cmakeshlib.patch from llvm3.9

apply install_dirs.patch from llvm3.9 to fix llvm RPATHs
use ghc_set_cflags
turn off the testsuite

fix sphinx-build version detection
merge bcond for haddock and manual

bundle llvm-3.9 with ghc-compiler for aarch64

move manuals to new ghc-manual (noarch)
rename ghc-doc-index to ghc-doc-cron (noarch)
ghost the ghc-doc-index local state files
ghost some newer libraries index files
simplify and extend bcond for build configuration
drop bootstrap builds and do ABI hash checks unless ghc version changed
no longer need autotools on aarch64

ghc-pkg: silence the abi-depends warnings

Escape macros in %changelog

Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild

apply Phabricator D4159.patch to workaround

8.2.2 perf build
https://downloads.haskell.org/~ghc/8.2.2/docs/html/users_guide/8.2.1-notes.html
https://downloads.haskell.org/~ghc/8.2.2/docs/html/users_guide/8.2.2-notes.html

8.2.2 bootstrap build
install ghc libs in libdir and remove RUNPATHs
add shadowed-deps.patch (haskell/cabal#4728)
new ghc-compact library
exclude ghc-boot for ghc-libraries

fix space in BSDHaskellReport license macro for rpm-4.14
mark other subpackages correctly as BSD license
drop ghc-boot from ghc-libraries

Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Binutils_Mass_Rebuild

Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Mass_Rebuild