Install the latest cmake to Ubuntu

Step 1 : Download the latest and stable cmake from https://cmake.org/download/

I download the source of cmake with v3.7.1 to my Ubuntu 14.04.

Step2 : Extract the compressed file and build it

$ cd cmake-3.7.1
$ ./bootstrap --prefix=/usr
$ make
$ sudo make install

Step3 : Check it

$ cmake --version

Expected output:  cmake version 3.7.1