diff --git a/bootstrap.sh b/bootstrap.sh
index 217dabd2c8..a3f5f26eca 100755
--- a/bootstrap.sh
+++ b/bootstrap.sh
@@ -445,6 +445,11 @@ bootstrap_libs() {
         continue
         ;;
     esac
+    if ! ${BGJOB}; then
+      libbootstrap ${i} ;
+    else
+      ((libbootstrap ${i} ; ) &)
+    fi
   done
 }