diff -ur nss.org/nss/coreconf/config.mk nss/nss/coreconf/config.mk
--- nss.org/nss/coreconf/config.mk	2016-03-15 14:52:19.706093300 +0100
+++ nss/nss/coreconf/config.mk	2016-03-15 14:56:51.549914800 +0100
@@ -188,3 +188,5 @@
 
 # Hide old, deprecated, TLS cipher suite names when building NSS
 DEFINES += -DSSL_DISABLE_DEPRECATED_CIPHER_SUITE_NAMES
+# build with 7.1A SDK for winXP compatibility
+DEFINES += -D_USING_V110_SDK71_
