diff --git a/config/Makefile.in b/config/Makefile.in
index ab3a92dc4fe3..5e00354a5e0b 100644
--- a/config/Makefile.in
+++ b/config/Makefile.in
@@ -106,6 +106,17 @@ export:: $(TARGETS) $(HEADERS)
 	-rm -f $(FINAL_LINK_COMPS) $(FINAL_LINK_LIBS) $(FINAL_LINK_COMP_NAMES)
 	-rm -f $(DIST)/bin/chrome/chromelist.txt
 
+
+# Create mini-SDK directory for NSPR
+ifndef MOZ_NATIVE_NSPR
+_ABS_DIST=$(shell cd $(DIST) && pwd)
+libs::
+	$(RM) -rf $(DIST)/sdk/nspr
+	$(MAKE) -C $(DEPTH)/nsprpub real_install prefix=$(_ABS_DIST)/sdk/nspr includedir=$(_ABS_DIST)/sdk/nspr/include
+	$(RM) -rf $(DIST)/sdk/nspr/bin $(DIST)/sdk/nspr/share
+	mv $(DIST)/sdk/nspr/lib $(DIST)/sdk/nspr/bin
+endif
+
 # we don't use an explicit dependency here because then we would
 # regenerate nsBuildID.h during the make install phase and that would
 # be bad.