- pkg_name must be set now for binlib packages too
    - new ghc_lib_package and ghc_binlib_package macros make packaging too easy
    - ghc_package_devel, ghc_package_doc, and ghc_package_prof helper macros
    - ghc_gen_filelists now defaults to ghc-%%{pkg_name}
    - add dynamic bcond to cabal_configure instead of cabal_configure_dynamic