--- a/QTfrontend/util/KeyMap.cpp	Mon May 13 14:30:12 2019 +0200
+++ b/QTfrontend/util/KeyMap.cpp	Mon May 13 14:19:45 2019 -0400
@@ -15,7 +15,7 @@
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  */
-
+#include <QStringList>
 #include "KeyMap.h"
 #include "SDL.h"