# PortAudio Tutorial

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## Compiling for Macintosh OS X

> To compile a Macintosh OS X CoreAudio application with the PortAudio library you will use the following source files:

> > pa_mac_core/pa_mac_core.c
> > pa_common/pa_lib.c
> > pa_common/portaudio.h
> > pa_common/pa_host.h
> > pa_common/pa_convert.c
> > pablio/ringbuffer.c
> > pablio/ringbuffer.h

### Using Apple Project Builder

> Create a new ProjectBuilder project. You can use a "Tool" project to run the PortAudio examples.

> Add the source files from above to your Project.

> Add both the Apple CoreAudio.framework and the AudioToolbox.framework to your project by selecting "Add FrameWorks..." from the Project menu.

> Compile and run the "pa_tests:patest_saw.c" file first because it is the simplest.

### Or Using Metrowerks CodeWarrior 8

> by James Vanlommel

> Create a new CodeWarrior project using Mac OS C++ Stationery.
> Then choose Mac OS X Mach-O > Standard Console > C++ Console Mach-O.

> In the project window, Clear the HelloWorld.cpp file and add the source files from above to your Project.

> Add a test file of your choosing, like
> patests /patest_sine8.c
> Add the frameworks to the Frameworks tab using Project > Add Files...
> CoreAudio
> AudioToolbox

> (The System framework should already be a part of the project.)

> Open the current target's settings, and in Language Settings > C/C++ Language, uncheck (disable) the "ANSI Strict" setting. (Do this for both Debug and Release projects, if necessary.)

> Edit pa_mac_core.c:
> On line 1546, cast the PaHost_AllocateFastMemory() result to a (char *) or you will get a compile error.
> Compile and run. (may need to run from a terminal window)

> I've successfully built patest_sine8.c this way using the CVS .tar version of portaudio (date: 2003-04-27). I get 17 warnings during compilation, all of which deal with unused variables or arguments.

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