I ran into the same problem and I did this: /* #if 0 line 85 chopped out --jat 2/11/96 */ #ifndef __BIT_TYPES_DEFINED__ #ifdef UINT32_T typedef UINT32_T u_int32_t; #else typedef unsigned int u_int32_t; #endif /* UINT32_T */ #endif /* BIT_TYPES_DEFINED */ /* line 95 chopped out --jat 2/11/96 #else #include <sys/types.h> #endif */ Jeffrey