--- EV/Makefile.PL	2010/11/22 06:28:26	1.47
+++ EV/Makefile.PL	2010/11/28 06:34:10	1.48
@@ -245,6 +245,20 @@
 *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***
 
 
+Very rarely, people want to tweak EV even more, e.g. to exclude
+or incldue certain watcher types or backends. Thisc na be done by adding
+extra -D options here, or via the EV_EXTRA_DEFS environment variable.
+Normal persons just press enter.
+
+EOF
+
+$DEFINE .= " " . prompt "Any extra -D options?", $ENV{EV_EXTRA_DEFS};
+
+print <<EOF;
+
+*** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***
+
+
 EOF
 
 my @anyevent = eval { require AnyEvent; $AnyEvent::VERSION < 5.29 } ? (AnyEvent => 5.29) : ();