slirp: Clean up slirp_config.h

There are a lot of unused #defines / #undefs in slirp_config.h,
which are apparently left-overs from the very early slirp code.
Since there is no more code that uses them, let's simply remove
them from our version of slirp.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>

slirp/slirp_config.h

@@ -9,19 +9,6 @@
 /* Define to 1 if you want KEEPALIVE timers */
 #define DO_KEEPALIVE 0
 
-/* Define to MAX interfaces you expect to use at once */
-/* MAX_INTERFACES determines the max. TOTAL number of interfaces (SLIP and PPP) */
-/* MAX_PPP_INTERFACES determines max. number of PPP interfaces */
-#define MAX_INTERFACES 1
-#define MAX_PPP_INTERFACES 1
-
-/* Define if you want slirp's socket in /tmp */
-/* XXXXXX Do this in ./configure */
-#undef USE_TMPSOCKET
-
-/* Define if you want slirp to use cfsetXspeed() on the terminal */
-#undef DO_CFSETSPEED
-
 /* Define this if you want slirp to write to the tty as fast as it can */
 /* This should only be set if you are using load-balancing, slirp does a */
 /* pretty good job on single modems already, and seting this will make */
@@ -29,34 +16,12 @@
 /* XXXXX Talk about having fast modem as unit 0 */
 #undef FULL_BOLT
 
-/*
- * Define if you want slirp to use less CPU
- * You will notice a small lag in interactive sessions, but it's not that bad
- * Things like Netscape/ftp/etc. are completely unaffected
- * This is mainly for sysadmins who have many slirp users
- */
-#undef USE_LOWCPU
-
-/* Define this if your compiler doesn't like prototypes */
-#ifndef __STDC__
-#define NO_PROTOTYPES
-#endif
-
 /*********************************************************/
 /*
  * Autoconf defined configuration options
  * You shouldn't need to touch any of these
  */
 
-/* Ignore this */
-#undef DUMMY_PPP
-
-/* Define if you have unistd.h */
-#define HAVE_UNISTD_H
-
-/* Define if you have stdlib.h */
-#define HAVE_STDLIB_H
-
 /* Define if you have sys/ioctl.h */
 #undef HAVE_SYS_IOCTL_H
 #ifndef _WIN32
@@ -72,10 +37,6 @@
 /* Define if you have strerror */
 #define HAVE_STRERROR
 
-/* Define according to how time.h should be included */
-#define TIME_WITH_SYS_TIME 0
-#undef HAVE_SYS_TIME_H
-
 /* Define if you have sys/bitypes.h */
 #undef HAVE_SYS_BITYPES_H
 
@@ -100,9 +61,6 @@
 #define HAVE_SYS_SELECT_H
 #endif
 
-/* Define if you have strings.h */
-#define HAVE_STRING_H
-
 /* Define if you have arpa/inet.h */
 #undef HAVE_ARPA_INET_H
 #ifndef _WIN32
@@ -115,51 +73,18 @@
 /* Define if you have sys/stropts.h */
 #undef HAVE_SYS_STROPTS_H
 
-/* Define to whatever your compiler thinks inline should be */
-//#define inline inline
-
-/* Define to whatever your compiler thinks const should be */
-//#define const const
-
-/* Define if your compiler doesn't like prototypes */
-#undef NO_PROTOTYPES
-
-/* Define to sizeof(char) */
-#define SIZEOF_CHAR 1
-
-/* Define to sizeof(short) */
-#define SIZEOF_SHORT 2
-
-/* Define to sizeof(int) */
-#define SIZEOF_INT 4
-
 /* Define to sizeof(char *) */
 #define SIZEOF_CHAR_P (HOST_LONG_BITS / 8)
 
-/* Define if you have random() */
-#undef HAVE_RANDOM
-
-/* Define if you have srandom() */
-#undef HAVE_SRANDOM
-
 /* Define if you have inet_aton */
 #undef HAVE_INET_ATON
 #ifndef _WIN32
 #define HAVE_INET_ATON
 #endif
 
-/* Define if you have setenv */
-#undef HAVE_SETENV
-
 /* Define if you have index() */
 #define HAVE_INDEX
 
-/* Define if you have bcmp() */
-#undef HAVE_BCMP
-
-/* Define if you have drand48 */
-#undef HAVE_DRAND48
-
 /* Define if you have memmove */
 #define HAVE_MEMMOVE
 
@@ -171,15 +96,3 @@
 #ifdef _WIN32
 #define NO_UNIX_SOCKETS
 #endif
-
-/* Define if you have revoke() */
-#undef HAVE_REVOKE
-
-/* Define if you have the sysv method of opening pty's (/dev/ptmx, etc.) */
-#undef HAVE_GRANTPT
-
-/* Define if you have fchmod */
-#undef HAVE_FCHMOD
-
-/* Define if you have <sys/type32.h> */
-#undef HAVE_SYS_TYPES32_H