Fix build variant workflow

Note that WITH_TLS fails because websockets requires TLS, and WITH_SHARED_LIBRARIES fails because with it turned off none of the libraries are built

buildtest.py

@@ -7,10 +7,11 @@ build_variants = [
     'WITH_CONTROL',
     'WITH_EDITLINE',
     'WITH_EPOLL',
+    'WITH_HTTP_API',
     'WITH_MEMORY_TRACKING',
     'WITH_OLD_KEEPALIVE',
     'WITH_PERSISTENCE',
-    'WITH_SHARED_LIBRARIES',
+    #'WITH_SHARED_LIBRARIES',
     'WITH_SOCKS',
     'WITH_SQLITE',
     'WITH_SRV',
@@ -18,7 +19,7 @@ build_variants = [
     'WITH_SYSTEMD',
     'WITH_SYS_TREE',
     'WITH_THREADING',
-    'WITH_TLS',
+    #'WITH_TLS',
     'WITH_TLS_PSK',
     'WITH_UNIX_SOCKETS',
     'WITH_WEBSOCKETS',

src/mosquitto_broker_internal.h

@@ -264,9 +264,11 @@ struct mosquitto__listener {
 	bool ws_in_init;
 	struct lws_protocols *ws_protocol;
 #  endif
-	char *http_dir;
 	char **ws_origins;
 	int ws_origin_count;
+#endif
+#if defined(WITH_WEBSOCKETS) || defined(WITH_HTTP_API)
+	char *http_dir;
 #endif
 	struct mosquitto__security_options *security_options;
 #ifdef WITH_UNIX_SOCKETS

src/proxy_v1.c

@@ -25,9 +25,12 @@ static void proxy_cleanup(struct mosquitto *context)
 
 static int update_transport(struct mosquitto *context)
 {
+#if defined(WITH_WEBSOCKETS) && WITH_WEBSOCKETS == WS_IS_BUILTIN
 	if(context->listener->protocol == mp_websockets){
 		return http__context_init(context);
-	}else{
+	}else
+#endif
+	{
 		context->transport = mosq_t_tcp;
 	}
 	return MOSQ_ERR_SUCCESS;

src/proxy_v2.c

@@ -297,9 +297,12 @@ int proxy_v2__read(struct mosquitto *context)
 		}
 		proxy_cleanup(context);
 
+#if defined(WITH_WEBSOCKETS) && WITH_WEBSOCKETS == WS_IS_BUILTIN
 		if(context->listener->protocol == mp_websockets){
 			return http__context_init(context);
-		}else{
+		}else
+#endif
+		{
 			context->transport = mosq_t_tcp;
 		}
 	}