optimization options. Older Sparc's work better with only UNROLL, but
there's no way to tell at compile time what it is you're running on */
-#if defined( sun ) /* Newer Sparc's */
+#if defined( __sun ) || defined ( sun ) /* Newer Sparc's */
# define DES_PTR
# define DES_RISC1
# define DES_UNROLL