Index: ghc-rpm-macros-1.3.91/macros.ghc
===================================================================
--- ghc-rpm-macros-1.3.91.orig/macros.ghc
+++ ghc-rpm-macros-1.3.91/macros.ghc
@@ -24,7 +24,7 @@ fi
 # configure
 %cabal_configure\
 %ghc_check_bootstrap\
-%cabal configure --prefix=%{_prefix} --libdir=%{_libdir} --docdir=%{?_pkgdocdir}%{!?_pkgdocdir:%{_docdir}/%{name}-%{version}} --libsubdir='$compiler/$pkgid' --datasubdir='$pkgid' --ghc %{!?ghc_without_dynamic:--enable-executable-dynamic} %{?with_tests:--enable-tests} %{?cabal_configure_options} $cabal_configure_extra_options
+%cabal configure --prefix=%{_prefix} --libdir=%{_libdir} --docdir=%{?_pkgdocdir}%{!?_pkgdocdir:%{_docdir}/%{name}-%{version}} --libsubdir='$compiler/$pkgkey' --datasubdir='$pkgid' --ghc %{!?ghc_without_dynamic:--enable-executable-dynamic} %{?with_tests:--enable-tests} %{?cabal_configure_options} $cabal_configure_extra_options
 
 # install
 %cabal_install %cabal copy --destdir=%{buildroot} -v