MythTV/mythtv — comment on commit d65a7426f6f86799ca854fa1bf3238ff68a02c69
File:  line 0
By jyavenard:

This will not work.
MAC_OS_X_VERSION_MIN_REQUIRED is something defined by you (normally defined in your main.pch). it's only a set of macro to help out defining code to determine which API is present or not.
Unfortunately; all the API defined in 10.5 exists in 10.6; so any logic you put in place around MAC_OS_X_VERSION_MIN_REQUIRED will also be true in 10.6 unfortunately.

Now if you find a neat solution; i'm all for it.

I posted on StackOverflow: http://stackoverflow.com/questions/9612422/how-to-determine-if-mac-sdk-is-less-than
But no proper answer...