Batch adding “-fno-objc-arc” flag to (multiple) source files

Question

After converting an Xcode project to ARC (Automatic Reference Counting), I need to disable ARC for some of my source files (mainly third-party code).

I know I need t

Answer 1

Select the ones you want to add the flag to (using Shift and/or Command) and press Enter to display the flag editor. Press Done to apply the entered flag(s) to the selected file(s).

Tutorial

I have composed a blog post to serve as a tutorial for this process.