[1501] Added warning about -j to configure output

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