+# This is a cruel hack: There seems to be no way to install the Haddock
+# documentation into the build directory, because DESTDIR is alway prepended.
+# Furthermore, rpm removes the target documentation directory before the doc
+# macros are processed. Therefore we have to copy things back into safety... :-P
+# The right thing would be being able to install directly into the build tree.
+make DESTDIR=${RPM_BUILD_ROOT} docdir=%{_datadir}/doc/packages/%{name} HADDOCK_DOCS=YES install install-docs
+mkdir html-docs
+cp -a ${RPM_BUILD_ROOT}%{_datadir}/doc/packages/%{name}/{index.html,libraries} html-docs
+# Use version-less hsc2hs out of the way, we use update-alternatives.
+mv ${RPM_BUILD_ROOT}%{_prefix}/bin/hsc2hs ${RPM_BUILD_ROOT}%{_prefix}/bin/hsc2hs-ghc