Updating x cong file
Maybe there's a new feature that you'd like to use, or it fixes an issue you've encountered, or you just like to be on the cutting edge.
There are two options for downloading it: Both are available from the Apple developer website.
This chapter shows you how to install Mac Ports and its prerequisites step-by-step.
Note that the section about installing Xcode is mac OS-specific.
If you wish to install Mac Ports on another platform, first make sure you have a working C compiler installed, skip ahead to installing Mac Ports from source, and continue to the end of the chapter.
Always make sure to install the latest available version of Xcode for your mac OS release; using outdated versions of Xcode may cause port install failures.