Installing GraphLab 2.1 on Mountain Lion (MAC OS X 10.8)

Here is a quick explanation on how to install GraphLab 2.1 on Mountain Lion.

1) Install XCODE 4.4  

2) After XCODE is installed, go to XCode-> Preferences->Downloads 

and install "command line tools".

3) Install mercurial .

4) Go to Graphlab download page and follow the link to the mercurial code page.

    Open a new terminal and use the command to checkout the code:

    hg clone https://...

5) cd graphlabapi

    ./configure

6) For compiling the collaborative filtering library:
    cd release/toolkits/collaborative_filtering/
    make -j4