drop Fedora obsoletes

support Cabal bundled internal libraries (yuck)
ghc_check_bootstrap should be redundant now according to upstream
rename ghc_bootstrap to ghc_quick_build (disables prof and haddock)

obsolete ghc-fail

drop hash from pkgdir in ghc_gen_filelists too

configure libexecsubdir (Cabal-2 only) (#1563863)
drop hash from libsubdir

obsolete ghc-ltk

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

no longer need to prune -z defs from LDFLAGS
drop the ldconfig scripts since they are not needed for F28

cabal-tweak-drop-dep: quote grep pattern to allow whitespace

re-enable _ghcdynlibdir (for ghc-8.2)

make the recent dynlib packaging changes conditional on _ghcdynlibdir
temporarily disable _ghcdynlibdir for Rawhide

remove "-z defs" from LDFLAGS since it breaks linking with ghc (see #1535422)

ghc_fix_rpath: remove leading or trailing ':'

add _ghcdynlibdir for Cabal --dynlibdir
dynlibs in _libdir
drop ghc_without_shared
ghc_fix_rpath removes RPATHs for 8.2+
add ldconfig install scripts to ghc_lib_subpackage

add ghc_set_cflags macro

obsolete ghc-webkit (#1375825)