[1501] Added warning about -j to configure output

diff --git a/configure.ac b/configure.ac
index b9007b0e73df56814887f7bbb684e1cf6da40ce7..070466fb68e2b7d94a76408277d6558d16d209d6 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -1709,4 +1709,8 @@ cat <<EOF
   run "make check", you must run "make" first as some files need to be
   generated by "make" before "make check" can be run.
 
+  When running "make install" do not use any form of parallel or job
+  server options (such as GNU make's -j option). Doing so is guaranteed
+  to cause errors.
+
 EOF