少しの修正で直った。何かのミスだったんじゃないかな。

diff --git a/QMA/QMAWindow.h b/QMA/QMAWindow.h
index 3827093..68499dd 100644
--- a/QMA/QMAWindow.h
+++ b/QMA/QMAWindow.h
@@ -57,8 +57,8 @@ public:
     QMAApplication(int &argc, char **argv, bool GUIenabled) : QApplication(argc, argv, GUIenabled) {}
     QMAApplication(int &argc, char **argv, Type type) : QApplication(argc, argv, type) {}
 #if defined(Q_WS_X11)
-    QApplication(Display* dpy, Qt::HANDLE visual = 0, Qt::HANDLE cmap = 0) : QApplication(dpy, visual, cmap) {}
-    QApplication(Display *dpy, int &argc, char **argv, Qt::HANDLE visual = 0, Qt::HANDLE cmap= 0) : QApplication(dpy, argc, argv, visual, cmap) {}
+    QMAApplication(Display* dpy, Qt::HANDLE visual = 0, Qt::HANDLE cmap = 0) : QApplication(dpy, visual, cmap) {}
+    QMAApplication(Display *dpy, int &argc, char **argv, Qt::HANDLE visual = 0, Qt::HANDLE cmap= 0) : QApplication(dpy, argc, argv, visual, cmap) {}
 #endif
 
 signals: