cURL is a very popular software utility that provides a command-line tool and a programming library useful for transferring and receiving data from servers. cURL supports many popular protocols. Here is the procedure about how to make and install cURL in a Mac OS X (Mountain Lion) computer
1. Download the cURL from http://curl.haxx.se/download.html
2. Open a Terminal and change directory to the folder where the above mentioned file was downloaded
3. extract the compressed file with below command (change curl-7.30.0.tar in below command as per your download):
$tar zxf curl-7.30.0.tar4. Change directory to the extracted cURL directory
$cd curl-7.30.05. Run the make file , as follows and install cURL
$ make && sudo make install
When prompted for password, enter the password for super user