Hello sir/Madam

I'm a beginner of PyOpenCl. These days, I encounted some problems about the installation of pyopencl on Ubuntu OS.

My OS is ubuntu 15.04, and the instruction I am referring to is : https://wiki.tiker.net/PyOpenCL/Installation/Linux/Ubuntu.

I can not work through the step 3 which is "Build PyOpenCl". The error I encounted was as follow:

I don't know why£¿ Can you help me?