- bring back including haddock-generated lib docs, now under docdir/ghc
- fix macros.ghc filepath (#460304)
- spec file cleanups:
- fix the source urls back
- drop requires chkconfig
- do not override __spec_install_post
- override _target_platform so we can use %%configure
- setup docs building in build.mk
- no longer need to remove network/include/Typeable.h
- install binaries under libdir not libexec
- remove hsc2hs and runhaskell binaries since are alternatives