ar: модификатор «u» игнорируется, так как по умолчанию используется «D» (смотрите «U»)
utun_instance.c: In function ‘utun_instance_create’:
utun_instance.c:93:49: warning: ‘/32’ directive output may be truncated writing 3 bytes into a region of size between 1 and 64 [-Wformat-truncation=]
   93 |     snprintf(tun_ip_str, sizeof(tun_ip_str), "%s/32", ip_buffer);
      |                                                 ^~~
In file included from /usr/include/stdio.h:980,
                 from utun_instance.h:6,
                 from utun_instance.c:2:
In function ‘snprintf’,
    inlined from ‘utun_instance_create’ at utun_instance.c:93:5:
/usr/include/x86_64-linux-gnu/bits/stdio2.h:54:10: note: ‘__builtin___snprintf_chk’ output between 4 and 67 bytes into a destination of size 64
   54 |   return __builtin___snprintf_chk (__s, __n, __USE_FORTIFY_LEVEL - 1,
      |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   55 |                                    __glibc_objsize (__s), __fmt,
      |                                    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   56 |                                    __va_arg_pack ());
      |                                    ~~~~~~~~~~~~~~~~~
etcp.c: In function ‘etcp_conn_reset’:
etcp.c:175:9: error: ‘struct ETCP_CONN’ has no member named ‘rtt_history_idx’
  175 |     etcp->rtt_history_idx = 0;
      |         ^~
etcp.c:176:16: error: ‘struct ETCP_CONN’ has no member named ‘rtt_history’
  176 |     memset(etcp->rtt_history, 0, sizeof(etcp->rtt_history));
      |                ^~
etcp.c:176:45: error: ‘struct ETCP_CONN’ has no member named ‘rtt_history’
  176 |     memset(etcp->rtt_history, 0, sizeof(etcp->rtt_history));
      |                                             ^~
etcp.c: In function ‘etcp_request_pkt’:
etcp.c:251:47: error: ‘input_queue_cb’ undeclared (first use in this function)
  251 |         queue_set_callback(etcp->input_queue, input_queue_cb, etcp);  // Define cb to resume
      |                                               ^~~~~~~~~~~~~~
etcp.c:251:47: note: each undeclared identifier is reported only once for each function it appears in
etcp.c:288:30: warning: implicit declaration of function ‘etcp_loadbalancer_select_link’ [-Wimplicit-function-declaration]
  288 |     struct ETCP_LINK* link = etcp_loadbalancer_select_link(etcp);
      |                              ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
etcp.c:288:30: warning: initialization of ‘struct ETCP_LINK *’ from ‘int’ makes pointer from integer without a cast [-Wint-conversion]
etcp.c: In function ‘append_optional_sections’:
etcp.c:391:13: error: ‘struct ETCP_CONN’ has no member named ‘ack_packets_count’
  391 |         etcp->ack_packets_count++;
      |             ^~
etcp.c: In function ‘process_section_ack’:
etcp.c:437:11: error: ‘struct ETCP_CONN’ has no member named ‘last_rx_ack_id’; did you mean ‘last_rx_id’?
  437 |     etcp->last_rx_ack_id = (data[1 + (count-1)*4] << 8) | data[2 + (count-1)*4];  // Last ACK ID
      |           ^~~~~~~~~~~~~~
      |           last_rx_id
etcp.c: In function ‘update_link_bandwidth’:
etcp.c:642:9: error: ‘struct ETCP_LINK’ has no member named ‘bandwidth’
  642 |     link->bandwidth = (link->bandwidth * 0.9) + (new_bw * 0.1);  // Smooth
      |         ^~
etcp.c:642:28: error: ‘struct ETCP_LINK’ has no member named ‘bandwidth’
  642 |     link->bandwidth = (link->bandwidth * 0.9) + (new_bw * 0.1);  // Smooth
      |                            ^~
etcp.c: In function ‘update_rtt’:
etcp.c:652:9: error: ‘struct ETCP_CONN’ has no member named ‘rtt_history’
  652 |     etcp->rtt_history[etcp->rtt_history_idx++] = new_rtt;
      |         ^~
etcp.c:652:27: error: ‘struct ETCP_CONN’ has no member named ‘rtt_history_idx’
  652 |     etcp->rtt_history[etcp->rtt_history_idx++] = new_rtt;
      |                           ^~
etcp.c:653:13: error: ‘struct ETCP_CONN’ has no member named ‘rtt_history_idx’
  653 |     if (etcp->rtt_history_idx >= RTT_HISTORY_SIZE) etcp->rtt_history_idx = 0;
      |             ^~
etcp.c:653:56: error: ‘struct ETCP_CONN’ has no member named ‘rtt_history_idx’
  653 |     if (etcp->rtt_history_idx >= RTT_HISTORY_SIZE) etcp->rtt_history_idx = 0;
      |                                                        ^~
etcp.c: In function ‘calculate_jitter’:
etcp.c:661:17: error: ‘struct ETCP_CONN’ has no member named ‘rtt_history’
  661 |         if (etcp->rtt_history[i] == 0) continue;
      |                 ^~
etcp.c:662:17: error: ‘struct ETCP_CONN’ has no member named ‘rtt_history’
  662 |         if (etcp->rtt_history[i] < min_rtt) min_rtt = etcp->rtt_history[i];
      |                 ^~
etcp.c:662:59: error: ‘struct ETCP_CONN’ has no member named ‘rtt_history’
  662 |         if (etcp->rtt_history[i] < min_rtt) min_rtt = etcp->rtt_history[i];
      |                                                           ^~
etcp.c:663:17: error: ‘struct ETCP_CONN’ has no member named ‘rtt_history’
  663 |         if (etcp->rtt_history[i] > max_rtt) max_rtt = etcp->rtt_history[i];
      |                 ^~
etcp.c:663:59: error: ‘struct ETCP_CONN’ has no member named ‘rtt_history’
  663 |         if (etcp->rtt_history[i] > max_rtt) max_rtt = etcp->rtt_history[i];
      |                                                           ^~
etcp.c: In function ‘etcp_get_stats’:
etcp.c:684:43: error: ‘struct ETCP_CONN’ has no member named ‘total_packets_sent’
  684 |     if (packets_sent) *packets_sent = etcp->total_packets_sent;
      |                                           ^~
make[2]: *** [Makefile:605: utun-etcp.o] Ошибка 1
make[1]: *** [Makefile:375: all-recursive] Ошибка 1
make: *** [Makefile:316: all] Ошибка 2
etcp.c: In function ‘etcp_conn_reset’:
etcp.c:175:9: error: ‘struct ETCP_CONN’ has no member named ‘rtt_history_idx’
  175 |     etcp->rtt_history_idx = 0;
      |         ^~
etcp.c:176:16: error: ‘struct ETCP_CONN’ has no member named ‘rtt_history’
  176 |     memset(etcp->rtt_history, 0, sizeof(etcp->rtt_history));
      |                ^~
etcp.c:176:45: error: ‘struct ETCP_CONN’ has no member named ‘rtt_history’
  176 |     memset(etcp->rtt_history, 0, sizeof(etcp->rtt_history));
      |                                             ^~
etcp.c: In function ‘etcp_request_pkt’:
etcp.c:251:47: error: ‘input_queue_cb’ undeclared (first use in this function)
  251 |         queue_set_callback(etcp->input_queue, input_queue_cb, etcp);  // Define cb to resume
      |                                               ^~~~~~~~~~~~~~
etcp.c:251:47: note: each undeclared identifier is reported only once for each function it appears in
etcp.c:288:30: warning: implicit declaration of function ‘etcp_loadbalancer_select_link’ [-Wimplicit-function-declaration]
  288 |     struct ETCP_LINK* link = etcp_loadbalancer_select_link(etcp);
      |                              ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
etcp.c:288:30: warning: initialization of ‘struct ETCP_LINK *’ from ‘int’ makes pointer from integer without a cast [-Wint-conversion]
etcp.c: In function ‘append_optional_sections’:
etcp.c:391:13: error: ‘struct ETCP_CONN’ has no member named ‘ack_packets_count’
  391 |         etcp->ack_packets_count++;
      |             ^~
etcp.c: In function ‘process_section_ack’:
etcp.c:437:11: error: ‘struct ETCP_CONN’ has no member named ‘last_rx_ack_id’; did you mean ‘last_rx_id’?
  437 |     etcp->last_rx_ack_id = (data[1 + (count-1)*4] << 8) | data[2 + (count-1)*4];  // Last ACK ID
      |           ^~~~~~~~~~~~~~
      |           last_rx_id
etcp.c: In function ‘update_link_bandwidth’:
etcp.c:642:9: error: ‘struct ETCP_LINK’ has no member named ‘bandwidth’
  642 |     link->bandwidth = (link->bandwidth * 0.9) + (new_bw * 0.1);  // Smooth
      |         ^~
etcp.c:642:28: error: ‘struct ETCP_LINK’ has no member named ‘bandwidth’
  642 |     link->bandwidth = (link->bandwidth * 0.9) + (new_bw * 0.1);  // Smooth
      |                            ^~
etcp.c: In function ‘update_rtt’:
etcp.c:652:9: error: ‘struct ETCP_CONN’ has no member named ‘rtt_history’
  652 |     etcp->rtt_history[etcp->rtt_history_idx++] = new_rtt;
      |         ^~
etcp.c:652:27: error: ‘struct ETCP_CONN’ has no member named ‘rtt_history_idx’
  652 |     etcp->rtt_history[etcp->rtt_history_idx++] = new_rtt;
      |                           ^~
etcp.c:653:13: error: ‘struct ETCP_CONN’ has no member named ‘rtt_history_idx’
  653 |     if (etcp->rtt_history_idx >= RTT_HISTORY_SIZE) etcp->rtt_history_idx = 0;
      |             ^~
etcp.c:653:56: error: ‘struct ETCP_CONN’ has no member named ‘rtt_history_idx’
  653 |     if (etcp->rtt_history_idx >= RTT_HISTORY_SIZE) etcp->rtt_history_idx = 0;
      |                                                        ^~
etcp.c: In function ‘calculate_jitter’:
etcp.c:661:17: error: ‘struct ETCP_CONN’ has no member named ‘rtt_history’
  661 |         if (etcp->rtt_history[i] == 0) continue;
      |                 ^~
etcp.c:662:17: error: ‘struct ETCP_CONN’ has no member named ‘rtt_history’
  662 |         if (etcp->rtt_history[i] < min_rtt) min_rtt = etcp->rtt_history[i];
      |                 ^~
etcp.c:662:59: error: ‘struct ETCP_CONN’ has no member named ‘rtt_history’
  662 |         if (etcp->rtt_history[i] < min_rtt) min_rtt = etcp->rtt_history[i];
      |                                                           ^~
etcp.c:663:17: error: ‘struct ETCP_CONN’ has no member named ‘rtt_history’
  663 |         if (etcp->rtt_history[i] > max_rtt) max_rtt = etcp->rtt_history[i];
      |                 ^~
etcp.c:663:59: error: ‘struct ETCP_CONN’ has no member named ‘rtt_history’
  663 |         if (etcp->rtt_history[i] > max_rtt) max_rtt = etcp->rtt_history[i];
      |                                                           ^~
etcp.c: In function ‘etcp_get_stats’:
etcp.c:684:43: error: ‘struct ETCP_CONN’ has no member named ‘total_packets_sent’
  684 |     if (packets_sent) *packets_sent = etcp->total_packets_sent;
      |                                           ^~
make[2]: *** [Makefile:605: utun-etcp.o] Ошибка 1
make[1]: *** [Makefile:375: all-recursive] Ошибка 1
make: *** [Makefile:316: all] Ошибка 2
make[1]: *** Нет правила для сборки цели «../src/utun-secure_channel.o», требуемой для «test_etcp_crypto».  Останов.
make: *** [Makefile:1024: check-am] Ошибка 2