$OpenBSD: patch-extension_Makefile_in,v 1.1 2014/11/27 13:06:11 dcoppa Exp $
--- extension/Makefile.in.orig	Thu Nov 27 06:59:11 2014
+++ extension/Makefile.in	Thu Nov 27 06:59:36 2014
@@ -1231,7 +1231,7 @@ uninstall-man: uninstall-man3
 
 install-data-hook:
 	for i in $(pkgextension_LTLIBRARIES) ; do \
-		$(RM) $(pkgextensiondir)/$$i ; \
+		$(RM) $(DESTDIR)$(pkgextensiondir)/$$i ; \
 	done
 
 # Keep the uninstall check working:
