Mention the need to run "make distclean" prior to re-configuring.

diff --git a/README b/README
index 0674d44362e7bfadd2486a5f7ae6d70f54fdb3c0..6d9d2db7b03547257f7067510ef1ff174fb32e0f 100644 (file)
--- a/README
+++ b/README
@@ -243,6 +243,9 @@ Building
        should also "make depend".  If you're using Emacs, you might find
        "make tags" helpful.
 
+       If you need to re-run configure please run "make distclean" first.
+       This will ensure that all the option changes take.
+
        Building with gcc is not supported, unless gcc is the vendor's usual
        compiler (e.g. the various BSD systems, Linux).