mk1mf.pl and mkdef.pl read OPTIONS from toplevel Makefile.
Configure no longer changes files in place.

Makefile.org

diff --git a/Makefile.org b/Makefile.org
index 8c36768..d8dacc6 100644
--- a/Makefile.org
+++ b/Makefile.org
@@ -6,6 +6,7 @@
 MAJOR=
 MINOR=
 PLATFORM=dist
+OPTIONS=
 # INSTALL_PREFIX is for package builders so that they can configure
 # for, say, /usr/ and yet have everything installed to /tmp/somedir/usr/.
 # Normally it is left empty.