diff -up fcitx-4.2.9.9/src/frontend/qt/qtkey.h.orig fcitx-4.2.9.9/src/frontend/qt/qtkey.h
--- fcitx-4.2.9.9/src/frontend/qt/qtkey.h.orig 2023-01-25 15:16:47.485468140 -0500
+++ fcitx-4.2.9.9/src/frontend/qt/qtkey.h 2023-01-25 15:16:59.368500430 -0500
@@ -21,6 +21,7 @@
#define _PLATFORMINPUTCONTEXT_QTKEY_H_
#include <QString>
+#include <cstdint>
int keysymToQtKey(uint32_t keysym, const QString &text);