Xcode sets arc for individual files

Note: This article is a excerpt of the nature

Source: http://blog.csdn.net/dehengxu/article/details/11537989

In Xcode 4, select a target in targets, select the Build Phase tab, find the Compile sources column, see the name in it, and the Compile Flags column, double-click the file you want to set the arc to, In the pop-up window, enter

-fobjc-arc, enter to close the window, set to complete. Feel confident about the effortless development experience of arc in this document.
The "-fno-objc-arc" parameter is a sign that turns off the arc, such as using non-ARC code in an ARC-enabled project, which can be handled in a special way.

Tips:
Select multiple files at the same time, and then double-click to be able to set all the files at the same time Compile flags, the flag bit becomes exactly the same.

Xcode sets arc for individual files