Regen.

configure

@@ -12019,9 +12019,25 @@ fi
 
 
 # Check for SCTP support
+for ac_header in sys/socket.h
+do :
+  ac_fn_c_check_header_mongrel "$LINENO" "sys/socket.h" "ac_cv_header_sys_socket_h" "$ac_includes_default"
+if test "x$ac_cv_header_sys_socket_h" = xyes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_SYS_SOCKET_H 1
+_ACEOF
+
+fi
+
+done
+
 for ac_header in netinet/sctp.h
 do :
-  ac_fn_c_check_header_mongrel "$LINENO" "netinet/sctp.h" "ac_cv_header_netinet_sctp_h" "$ac_includes_default"
+  ac_fn_c_check_header_compile "$LINENO" "netinet/sctp.h" "ac_cv_header_netinet_sctp_h" "#ifdef HAVE_SYS_SOCKET_H
+#include <sys/socket.h>
+#endif
+
+"
 if test "x$ac_cv_header_netinet_sctp_h" = xyes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_NETINET_SCTP_H 1

src/iperf_config.h.in

@@ -42,6 +42,9 @@
 /* Define to 1 if you have the <string.h> header file. */
 #undef HAVE_STRING_H
 
+/* Define to 1 if you have the <sys/socket.h> header file. */
+#undef HAVE_SYS_SOCKET_H
+
 /* Define to 1 if you have the <sys/stat.h> header file. */
 #undef HAVE_SYS_STAT_H