Use QGuiApplication

webchannel/CMakeLists.txt

@@ -13,9 +13,5 @@ find_package(
   COMPONENTS WebChannel WebSockets Widgets
   REQUIRED)
 target_link_libraries(
-  libmueb-webchannel PRIVATE Qt5::Core Qt5::Gui Qt5::Widgets Qt5::WebChannel
+  libmueb-webchannel PRIVATE Qt5::Core Qt5::Gui Qt5::WebChannel
                              Qt5::WebSockets mueb)
-target_link_libraries(
-  muebwebchannel
-  PUBLIC Qt5::Core Qt5::Gui
-  PRIVATE Qt5::WebChannel Qt5::WebSockets mueb)

webchannel/main.cc

-#include <QApplication>
+#include <QGuiApplication>
 #include <QWebChannel>
 #include <QWebSocketServer>
 
@@ -7,7 +7,7 @@
 #include "shared/websockettransport.h"
 
 int main(int argc, char *argv[]) {
-  QApplication a(argc, argv);
+  QGuiApplication a(argc, argv);
 
   // setup the QWebSocketServer
   QWebSocketServer server(QStringLiteral("QWebChannel libmueb Server"),