diff -r 67e6342cfaaa -r 86e36e15dcfb mozilla-system-nss.patch
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mozilla-system-nss.patch	Mon Mar 05 17:02:11 2012 +0100
@@ -0,0 +1,41 @@
+# HG changeset patch
+# User Takanori MATSUURA <t.matsuu@gmail.com>
+# Date 1323798527 -32400
+# Node ID f98be8c8e4e799e7ba8ddc367122edeccaaaca43
+# Parent  4b71b1e9cc0c30b13ee67d71d4030b6754ab0e38
+Bug 710268 - sign NSS libraries only when they exist
+
+diff --git a/toolkit/mozapps/installer/packager.mk b/toolkit/mozapps/installer/packager.mk
+--- a/toolkit/mozapps/installer/packager.mk
++++ b/toolkit/mozapps/installer/packager.mk
+@@ -566,27 +566,27 @@ NSSDBM		= $(DIST)/$(STAGEPATH)$(MOZ_PKG_
+ FREEBL		= $(DIST)/$(STAGEPATH)$(MOZ_PKG_DIR)$(_BINPATH)/$(DLL_PREFIX)freebl3$(NSS_DLL_SUFFIX)
+ FREEBL_32FPU	= $(DIST)/$(STAGEPATH)$(MOZ_PKG_DIR)$(_BINPATH)/$(DLL_PREFIX)freebl_32fpu_3$(DLL_SUFFIX)
+ FREEBL_32INT	= $(DIST)/$(STAGEPATH)$(MOZ_PKG_DIR)$(_BINPATH)/$(DLL_PREFIX)freebl_32int_3$(DLL_SUFFIX)
+ FREEBL_32INT64	= $(DIST)/$(STAGEPATH)$(MOZ_PKG_DIR)$(_BINPATH)/$(DLL_PREFIX)freebl_32int64_3$(DLL_SUFFIX)
+ FREEBL_64FPU	= $(DIST)/$(STAGEPATH)$(MOZ_PKG_DIR)$(_BINPATH)/$(DLL_PREFIX)freebl_64fpu_3$(DLL_SUFFIX)
+ FREEBL_64INT	= $(DIST)/$(STAGEPATH)$(MOZ_PKG_DIR)$(_BINPATH)/$(DLL_PREFIX)freebl_64int_3$(DLL_SUFFIX)
+ 
+ SIGN_NSS	+= \
+-  $(SIGN_CMD) $(SOFTOKN) && \
+-  $(SIGN_CMD) $(NSSDBM) && \
++  if test -f $(SOFTOKN); then $(SIGN_CMD) $(SOFTOKN); fi && \
++  if test -f $(NSSDBM); then $(SIGN_CMD) $(NSSDBM); fi && \
+   if test -f $(FREEBL); then $(SIGN_CMD) $(FREEBL); fi && \
+   if test -f $(FREEBL_32FPU); then $(SIGN_CMD) $(FREEBL_32FPU); fi && \
+   if test -f $(FREEBL_32INT); then $(SIGN_CMD) $(FREEBL_32INT); fi && \
+   if test -f $(FREEBL_32INT64); then $(SIGN_CMD) $(FREEBL_32INT64); fi && \
+   if test -f $(FREEBL_64FPU); then $(SIGN_CMD) $(FREEBL_64FPU); fi && \
+   if test -f $(FREEBL_64INT); then $(SIGN_CMD) $(FREEBL_64INT); fi;
+ 
+ endif # MOZ_PSM
+-endif # !CROSS_COMPILE
++endif # MOZ_CAN_RUN_PROGRAMS
+ 
+ NO_PKG_FILES += \
+ 	core \
+ 	bsdecho \
+ 	js \
+ 	js-config \
+ 	jscpucfg \
+ 	nsinstall \