-/* Special defines which change the way the code is built depending on the
- CPU and OS. For SGI machines you can use _MIPS_SZLONG (32 or 64) to find
- even newer MIPS CPU's, but at the moment one size fits all for
- 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 */
-# define BF_PTR
-#elif defined( __ultrix ) /* Older MIPS */
-# define BF_PTR
-#elif defined( __sgi ) /* Newer MIPS */
-# define BF_PTR
-#endif /* Systems-specific speed defines */
-
-/* use BF_PTR2 for intel boxes,
- * BF_PTR for sparc and MIPS/SGI
- * use nothing for Alpha and HP.
- */
-#if !defined(BF_PTR) && !defined(BF_PTR2)
-#define BF_PTR2
-#endif