diff -r e2889b17f48c -r c382a6c58c20 thermferm/server.c
--- a/thermferm/server.c	Wed Jul 18 13:26:37 2018 +0200
+++ b/thermferm/server.c	Thu Jul 19 12:47:52 2018 +0200
@@ -1018,7 +1018,7 @@
     }
 
     if (strcmp(opt, (char *)"PUT") == 0) {
-	bool mqtt_reconnect = false;
+	int mqtt_reconnect = 0;
 	while (1) {
 	    rlen = srv_recv(ibuf);
 	    if (rlen == -1) {
@@ -1027,8 +1027,10 @@
 	    if (strlen(ibuf)) {
 		if (strcmp(ibuf, (char *)".") == 0) {
 		    srv_send((char *)"219 Accepted Global record");
+#ifdef HAVE_MOSQUITTO_H
 		    if (mqtt_reconnect)
 			mqtt_connect();
+#endif
 		    return 1;
 		}
 		kwd = strtok(ibuf, ",\0");
@@ -1108,8 +1110,10 @@
 		    } else if (strcmp(kwd, (char *)"MQTT_HOST") == 0) {
 			if (val && Config.mqtt_host && (strcmp(val, Config.mqtt_host)))
 			    syslog(LOG_NOTICE, "Global MQTT host `%s' to `%s'", Config.mqtt_host, val);
+#ifdef HAVE_MOSQUITTO_H
 			mqtt_disconnect();
-			mqtt_reconnect = true;
+#endif
+			mqtt_reconnect = 1;
 			if (Config.mqtt_host)
 			    free(Config.mqtt_host);
 			if (val)
@@ -1121,8 +1125,10 @@
 			if (sscanf(val, "%d", &ival) == 1) {
 			    if (Config.mqtt_port != ival) {
 				syslog(LOG_NOTICE, "Global MQTT port %d to %d", Config.mqtt_port, ival);
+#ifdef HAVE_MOSQUITTO_H
 				mqtt_disconnect();
-				mqtt_reconnect = true;
+#endif
+				mqtt_reconnect = 1;
 			        Config.mqtt_port = ival;
 			    }
 			}
@@ -1130,8 +1136,10 @@
 		    } else if (strcmp(kwd, (char *)"MQTT_USER") == 0) {
 			if (val && Config.mqtt_username && (strcmp(val, Config.mqtt_username)))
 			    syslog(LOG_NOTICE, "Global MQTT username `%s' to `%s'", Config.mqtt_username, val);
+#ifdef HAVE_MOSQUITTO_H
 			mqtt_disconnect();
-			mqtt_reconnect = true;
+#endif
+			mqtt_reconnect = 1;
 			if (Config.mqtt_username)
 			    free(Config.mqtt_username);
 			if (val)
@@ -1142,8 +1150,10 @@
 		    } else if (strcmp(kwd, (char *)"MQTT_PASS") == 0) {
 			if (val && Config.mqtt_password && (strcmp(val, Config.mqtt_password)))
 			    syslog(LOG_NOTICE, "Global MQTT password `%s' to `%s'", Config.mqtt_password, val);
+#ifdef HAVE_MOSQUITTO_H
 			mqtt_disconnect();
-			mqtt_reconnect = true;
+#endif
+			mqtt_reconnect = 1;
 			if (Config.mqtt_password)
 			    free(Config.mqtt_password);
 			if (val)
@@ -2611,6 +2621,7 @@
 				}
 
 			    }
+#ifdef HAVE_MOSQUITTO_H
 			    if (unit->mqtt_flag) {
 				    if (debug)
 					    fprintf(stdout, "flag value %d\n", unit->mqtt_flag);
@@ -2623,6 +2634,7 @@
 				    publishDDeath(unit);
 				}
 			    }
+#endif
 			}
 		    }
 		}