This Xcode project is configured to build 32 and 64 bit externals for Pure Data. It was created January 2017 with Xcode 8.2.1, Pd-0.47-1, and the OS X 10.12 SDK.

The project contains a file named 'info.txt' that describes how to set up new objects and configure them for debugging.

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Xcode 3.2.2 Pd Tutorial
Created for ICMC 2010, this tutorial describes how to create, compile, and debug Pd objects in Xcode 3.2.2. It is mostly irrelevant now, but might still be of use for someone new to writing Pd externals in Xcode.

Xcode 3.2.2 Pd Tutorial