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
# include <sys/select.h>
# endif
-# if defined(__sun)
+# if defined(__sun) || defined(sun)
# include <sys/filio.h>
# else
# ifndef VMS
# endif
-# if defined(__sun) && !defined(__svr4__) && !defined(__SVR4)
+# if (defined(__sun) || defined(sun)) && !defined(__svr4__) && !defined(__SVR4)
/* include headers first, so our defines don't break it */
# include <stdlib.h>
# include <string.h>