--- /dev/null
+diff -ruN strongswan-2.8.1-orig/programs/pluto/alg/Makefile strongswan-2.8.1/programs/pluto/alg/Makefile
+--- strongswan-2.8.1-orig/programs/pluto/alg/Makefile 2004-06-23 00:45:20.000000000 -0400
++++ strongswan-2.8.1/programs/pluto/alg/Makefile 2007-01-17 00:19:58.249033414 -0500
+@@ -20,7 +20,7 @@
+ include Config.ike_alg
+
+ LIBCRYPTO:=../../../lib/libcrypto
+-ALLFLAGS=$(CPPFLAGS) $(CFLAGS) -I .. -I- -I ../../../linux/include -I $(LIBCRYPTO)
++ALLFLAGS=$(CPPFLAGS) $(CFLAGS) -I .. -I- -I ../../../linux/include -I $(LIBCRYPTO) $(USERCOMPILE)
+ LIBALG := libalg.o
+
+ all : $(LIBALG)