链接时错误，libdtkwidget.so

[mistacguy]

[ 1%] Automatic MOC for target deepin-topbar
[ 1%] Built target deepin-topbar_autogen
[ 2%] Linking CXX executable deepin-topbar
/usr/lib/gcc/x86_64-linux-gnu/7/../../../x86_64-linux-gnu/libdtkwidget.so：对‘QWidgetPrivate::setStyle_helper(QStyle*, bool, bool)@Qt_5_PRIVATE_API’未定义的引用
collect2: error: ld returned 1 exit status
make[2]: *** [src/CMakeFiles/deepin-topbar.dir/build.make:1614：src/deepin-topbar] 错误 1
make[1]: *** [CMakeFiles/Makefile2:87：src/CMakeFiles/deepin-topbar.dir/all] 错误 2
make: *** [Makefile:130：all] 错误 2

编译环境是deepin 15.11
qt版本是5.12.3