Ubuntu 16.04安装QtCharts时报错：'qtConfig' is not a recognized test function.

错误：

'qtConfig' is not a recognized test function.

解决方法：

其实5.9分支的版本有问题，转成5.7分支即可。

git clone https://github.com/qtproject/qtcharts.git
cd qtcharts
git checkout 5.7
qmake
make
sudo make install

参考：

http://php.wekeepcoding.com/article/10792742/Cross-compiling+QtDeclarative+for+raspberry+pi