forbids braced-groups within expressions [-Wpedantic] 338 | ({ | ^ ../subprojects/cava-0.10.2/src/output/common.c:27:29: note: in definition of macro 'spa_callbacks_call_res' 243 | spa_callbacks_call_res(&(iface)->cb,method_type,res,method,vers,##__VA_ARGS__) |