Qt build submodules and install on Linux or Darwin

build Qt Submodules and install

---

download the package of Qt submodules from chinese source

extract file

cd Download/
tar -xvJf qtcharts-everywhere-src-5.10.0.tar.xz
cd qtcharts-everywhere-src-5.10.0

build chart and install

qmake
make -j8
make docs
make install

if output error: could not exec ‘/usr/lib/x86_64-linux-gnu/qt4/bin/qmake’ please see here to resovle.