Remove unneeded 'HAVE_*' defines. Detect i386 OS-target (gcc).

/*                          HEADER FILES                            */

/* ---------------------------------------------------------------- */

/* Define if you have the <alloca.h> header file.  */

/* #define HAVE_ALLOCA_H 1 */

/* Define if you have the <arpa/inet.h> header file.  */

/* #define HAVE_ARPA_INET_H 1 */

/* Define if you have the <io.h> header file.  */

#define HAVE_IO_H 1

/* Define if you have the <malloc.h> header file.  */

#ifndef __SALFORDC__

#define HAVE_MALLOC_H 1

#endif

/* Define if you need the malloc.h header file even with stdlib.h  */

#ifndef __SALFORDC__

#define NEED_MALLOC_H 1

/* Define if you have the tcsetattr function.  */

/* #define HAVE_TCSETATTR 1 */

/* Define if you have the uname function.  */

/* #define HAVE_UNAME 1 */

/* Define if you have the utime function */

#ifndef __BORLANDC__

#define HAVE_UTIME 1

#endif

/* Define if you have the vprintf function.  */

#define HAVE_VPRINTF 1

/* Define if you have the getnameinfo function. */

#define HAVE_GETNAMEINFO 1

/* Define cpu-machine-OS */

#undef OS

#if defined(_M_IX86) /* x86 */

#if defined(_M_IX86) || defined(__i386__) /* x86 (MSVC or gcc) */

#define OS "i386-pc-win32"

#elif defined(_M_IA64) /* Itanium */

#define OS "ia64-pc-win32"