[Pythonmac-SIG] pkg_resources and Mac OS X compatibility

[Bob Ippolito]

On Feb 5, 2006, at 2:00 PM, Bob Ippolito wrote:

> With the way that we're returning the distutils platform on the  
> universal branch of Mac OS X, we need another patch to  
> pkg_resources.  The reason for this is that  
> distutils.util.get_platform() returns the platform that it is  
> trying to produce binaries for, which is often not the exact  
> current platform.  More specifically, our current strategy is to  
> produce a version of Python that will build extensions that are  
> compatible with Mac OS X 10.3, but the actual building of  
> extensions requires Mac OS X 10.4 or later (because the toolchain  
> doesn't exist on Mac OS X 10.3).
>
> In some rare cases, people will want to produce packages that  
> explicitly require Mac OS X 10.4 or later, which they can do by  
> setting the MACOSX_DEPLOYMENT_TARGET=10.4 environment variable when  
> running setup.py.  This will influence the value returned by  
> disutils.util.get_platform(), and will influence the compiler and  
> linker if extensions are built.
>
> This patch adds an internal _get_max_platform(plat) function that  
> returns the actual runtime version of Mac OS X, for use in  
> compatible_platforms.

Oops, wrong patch.. here's the correct one.  Sorry about that:

-bob

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