dnl ---------------------------------------------------------------------------
dnl Macro: SETSOCKOPT_TEST
dnl ---------------------------------------------------------------------------
AC_LANG(C)
AC_RUN_IFELSE([ 
   AC_LANG_PROGRAM([
#include <sys/types.h>
#include <sys/socket.h>
#include <time.h>
#include <sys/time.h>
#include <errno.h>
   ], [
     int sock = socket(AF_INET, SOCK_STREAM, 0);
     struct timeval waittime;
   
     waittime.tv_sec= 0;
     waittime.tv_usec= 500;
   
     if (setsockopt(sock, SOL_SOCKET, SO_SNDTIMEO, 
                    &waittime, (socklen_t)sizeof(struct timeval)) == -1) {
       if (errno == ENOPROTOOPT) {
         return 1;
       }
     }
     return 0;
   ])
   ], AC_DEFINE(HAVE_SNDTIMEO, 1, [Define to 1 if you have a working SO_SNDTIMEO])) 

AC_RUN_IFELSE([ 
   AC_LANG_PROGRAM([
#include <sys/types.h>
#include <sys/socket.h>
#include <time.h>
#include <sys/time.h>
#include <errno.h>
   ], [
     int sock = socket(AF_INET, SOCK_STREAM, 0);
     struct timeval waittime;
   
     waittime.tv_sec= 0;
     waittime.tv_usec= 500;
   
     if (setsockopt(sock, SOL_SOCKET, SO_RCVTIMEO, 
                    &waittime, (socklen_t)sizeof(struct timeval)) == -1) {
       if (errno == ENOPROTOOPT) {
         return 1;
       }
     }
     return 0;
   ])
   ], AC_DEFINE(HAVE_RCVTIMEO, 1, [Define to 1 if you have a working SO_RCVTIMEO])) 

dnl ---------------------------------------------------------------------------
dnl End Macro: SETSOCKOPT_TEST
dnl ---------------------------------------------------------------------------