Fix compilation on MacOS

include/n2n.h

@@ -155,11 +155,17 @@
 #include "sn_selection.h"
 #include "network_traffic_filter.h"
 
-/* ************************************** */
-
 #include "header_encryption.h"
 #include "tf.h"
 
+/* ************************************** */
+
+#if !defined(SOL_TCP) && defined(IPPROTO_TCP)
+#define SOL_TCP IPPROTO_TCP
+#endif
+
+/* ************************************** */
+
 #ifndef TRACE_ERROR
 #define TRACE_ERROR       0, __FILE__, __LINE__
 #define TRACE_WARNING     1, __FILE__, __LINE__

src/edge_utils.c

@@ -890,7 +890,7 @@ static ssize_t sendto_sock (n2n_edge_t *eee, const void * buf,
 
         setsockopt(eee->sock, SOL_TCP, TCP_NODELAY, &value, sizeof(value));
         value = 1;
-#ifndef WIN32
+#if !defined(WIN32) && !defined(__APPLE__)
         setsockopt(eee->sock, SOL_TCP, TCP_CORK, &value, sizeof(value));
 #endif
 
@@ -908,7 +908,7 @@ static ssize_t sendto_sock (n2n_edge_t *eee, const void * buf,
     if(eee->conf.connect_tcp) {
         value = 1; /* value should still be set to 1 */
         setsockopt(eee->sock, SOL_TCP, TCP_NODELAY, &value, sizeof(value));
-#ifndef WIN32
+#if !defined(WIN32) && !defined(__APPLE__)
         value = 0;
         setsockopt(eee->sock, SOL_TCP, TCP_CORK, &value, sizeof(value));
 #endif

src/sn_utils.c

@@ -151,7 +151,7 @@ static ssize_t sendto_sock(n2n_sn_t *sss,
 
         setsockopt(socket_fd, SOL_TCP, TCP_NODELAY, &value, sizeof(value));
         value = 1;
-#ifndef WIN32
+#if !defined(WIN32) && !defined(__APPLE__)
         setsockopt(socket_fd, SOL_TCP, TCP_CORK, &value, sizeof(value));
 #endif
 
@@ -170,7 +170,7 @@ static ssize_t sendto_sock(n2n_sn_t *sss,
     if((socket_fd >= 0) && (socket_fd != sss->sock)) {
         value = 1; /* value should still be set to 1 */
         setsockopt(socket_fd, SOL_TCP, TCP_NODELAY, &value, sizeof(value));
-#ifndef WIN32
+#if !defined(WIN32) && !defined(__APPLE__)
         value = 0;
         setsockopt(socket_fd, SOL_TCP, TCP_CORK, &value, sizeof(value));
 #endif