Ubuntu 16.04出现：qmake: could not exec '/usr/lib/x86_64-linux-gnu/qt4/bin/qmake': No such file or directory

没有安装qt4-qmake，安装即可：

sudo apt-get install qt4-qmake

参考：

https://stackoverflow.com/questions/23703864/cmake-not-working-could-not-exec-qmake