$NetBSD: patch-au,v 1.7 2010/09/22 09:13:48 obache Exp $

--- Makefile.pre.in.orig	2010-08-01 22:05:31.000000000 +0000
+++ Makefile.pre.in
@@ -785,7 +785,8 @@ altbininstall:	$(BUILDPYTHON)
 				(cd $(DESTDIR)$(LIBDIR); $(LN) -sf $(INSTSONAME) $(LDLIBRARY)) \
 			fi \
 		fi; \
-	else	true; \
+	elif test -f $(INSTSONAME); then \
+		$(INSTALL_SHARED) $(INSTSONAME) $(DESTDIR)$(LIBDIR); \
 	fi
 
 # Install the manual page