extraclean ::
$(RM) -rf $(HTML_DIR)
+ifneq "$(findstring $(PACKAGE), $(CorePackages))" ""
+HaddockSourceURL = $(CorePackageSourceURL)
+else
+HaddockSourceURL = $(ExtraPackageSourceURL)
+endif
+
$(HTML_DOC) : $(HS_PPS)
@$(INSTALL_DIR) $(HTML_DIR)
$(HADDOCK) $(HADDOCK_OPTS) -h -o $(HTML_DIR) $(HS_PPS) \
--package=$(PACKAGE) \
--dump-interface=$(PACKAGE).haddock \
--use-index=../doc-index.html --use-contents=../index.html \
+ --source-module=$(HaddockSourceURL) \
$(foreach pkg, $(PACKAGE_DEPS), \
--read-interface=../$(pkg),../$(pkg)/$(pkg).haddock)