--- ghc-8.6.5/libraries/gen_contents_index~ 2020-02-24 15:02:26.318866694 +0800
+++ ghc-8.6.5/libraries/gen_contents_index 2020-04-09 18:18:40.290722327 +0800
@@ -47,6 +47,8 @@
HADDOCK_ARGS="$HADDOCK_ARGS $HADDOCK_ARG"
done
else
+ if ! ls */*.haddock &>/dev/null; then exit 0; fi
+
HADDOCK=/usr/bin/haddock
# We don't want the GHC API to swamp the index
HADDOCK_FILES=`ls -1 */*.haddock | grep -v '/ghc\.haddock' | sort`