--- a/components/opensp/Makefile	Mon Sep 28 11:09:18 2015 -0700
+++ b/components/opensp/Makefile	Mon Sep 28 11:30:13 2015 -0700
@@ -54,7 +54,10 @@
 CONFIGURE_OPTIONS +=    CFLAGS="$(CFLAGS)"
 CONFIGURE_OPTIONS +=	CXX="$(CXX)"
 CONFIGURE_OPTIONS +=	CXXFLAGS="$(CXXFLAGS)"
-CONFIGURE_OPTIONS +=	LDFLAGS="$(LDFLAGS)"
+ifeq ($(OS_VERSION),5.11)
+EXTRA_LIBRARIES =     -lsocket -lnsl
+endif
+CONFIGURE_OPTIONS +=	LDFLAGS="$(LDFLAGS) $(EXTRA_LIBRARIES)"
 
 # 21786575 for gmake test failures
 COMPONENT_TEST_DIR =	$(BUILD_DIR)/$(MACH$(BITS))/tests