diff -urN expect5.45/Makefile.in expect5.45-patched/Makefile.in
--- expect5.45/Makefile.in	2010-10-01 04:14:07.000000000 +1100
+++ expect5.45-patched/Makefile.in	2012-06-08 18:40:10.419009852 +1100
@@ -289,7 +289,7 @@
 
 $(PKG_LIB_FILE): $(PKG_OBJECTS)
 	-rm -f $(PKG_LIB_FILE)
-	${MAKE_LIB}
+	${MAKE_LIB} -Wl,-soname=$(PKG_LIB_FILE).1
 	$(RANLIB) $(PKG_LIB_FILE)
 
 $(PKG_STUB_LIB_FILE): $(PKG_STUB_OBJECTS)