Undefined symbols for architecture x86_64:
"MyThread::error(QAbstractSocket::SocketError)", referenced from:
MyThread::run() in mythread.o
"vtable for MyServer", referenced from:
MyServer::MyServer(QObject*) in myserver.o
NOTE: a missing vtable usually means the first non-inline virtual member function has no definition.
"vtable for MyThread", referenced from:
MyThread::MyThread(int, QObject*) in mythread.o
NOTE: a missing vtable usually means the first non-inline virtual member function has no definition.
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)
make: *** [MultiServer] Error 1
02:28:44: Процесс «/usr/bin/make» завершился с кодом 2.
Ошибка при сборке/развёртывании проекта MultiServer (комплект: Desktop Qt 5.12.6 clang 64bit)
Во время выполнения этапа «Сборка»