--- Makefile.in	2009-04-29 19:52:25.000000000 +0200
+++ Makefile.in	2009-11-02 21:50:37.847011315 +0100
@@ -193,7 +193,8 @@
 		$(SIMX86_LINK_FLAGS) \
 		$(READLINE_LIB) \
 		$(EXTRA_LINK_OPTS) \
-		$(LIBS)
+		$(LIBS) \
+		-lpthread