refine commandline output

src/local.c

@@ -917,12 +917,7 @@ int main(int argc, char **argv)
         switch (c) {
         case 0:
             if (option_index == 0) {
-#ifdef TCP_FASTOPEN
                 fast_open = 1;
-                LOGD("using tcp fast open");
-#else
-                LOGE("tcp fast open is not supported by this environment");
-#endif
             } else if (option_index == 1) {
                 LOGD("initialize acl...");
                 acl = !init_acl(optarg);
@@ -1042,6 +1037,14 @@ int main(int argc, char **argv)
         daemonize(pid_path);
     }
 
+    if (fast_open == 1) {
+#ifdef TCP_FASTOPEN
+        LOGD("using tcp fast open");
+#else
+        LOGE("tcp fast open is not supported by this environment");
+#endif
+    }
+
 #ifdef __MINGW32__
     winsock_init();
 #else

src/server.c

@@ -941,12 +941,7 @@ int main(int argc, char **argv)
         switch (c) {
         case 0:
             if (option_index == 0) {
-#ifdef TCP_FASTOPEN
                 fast_open = 1;
-                LOGD("using tcp fast open");
-#else
-                LOGE("tcp fast open is not supported by this environment");
-#endif
             }
             break;
         case 's':
@@ -1053,6 +1048,14 @@ int main(int argc, char **argv)
         daemonize(pid_path);
     }
 
+    if (fast_open == 1) {
+#ifdef TCP_FASTOPEN
+        LOGD("using tcp fast open");
+#else
+        LOGE("tcp fast open is not supported by this environment");
+#endif
+    }
+
     // ignore SIGPIPE
     signal(SIGPIPE, SIG_IGN);
     signal(SIGCHLD, SIG_IGN);