Linux: Build cmake 2.8 on Centos 6

wget http://www.cmake.org/files/v2.8/cmake-2.8.12.2.tar.gz
tar zxvf cmake-2.8.12.2.tar.gz 
cd cmake-2.8.12.2
ls
pwd
./configure --prefix=/home-2/dpower/build/cmake-2.8.12.2
make 
make install 

# then update your PATH
export PATH=/home-2/dpower/build/cmake-2.8.12.2:$PATH

# test
[dpower@psglogin ~]$ . ~/.bashrc 
[dpower@psglogin ~]$ cmake --version
cmake version 2.8.12.2