cp /Developer/Applications/Qt/plugins/sqldrivers/libqsqlmysql.dylib $APP_DIR/Contents/MacOS/
cp /Developer/Applications/Qt/plugins/sqldrivers/libmysqlclient.dylib $APP_DIR/Contents/MacOS/.
install_name_tool -change /Developer/Applications/Qt/plugins/sqldrivers/libqsqlmysql.dylib @executable_path/libqsqlmysql.dylib ./dist/MyAppapp/Contents/MacOS/MyApp
install_name_tool -change /Developer/Applications/Qt/plugins/sqldrivers/libmysqlclient.dylib @executable_path/libmysqlclient.dylib ./dist/MyApp.app/Contents/MacOS/MyApp