Upgrading to Mountain Lion -- migration document changes?

[Ryan Schmidt]

On Jul 27, 2012, at 10:03, Wahlstedt Jyrki wrote:

> 
> On 26.7.2012, at 16.24, Ryan Schmidt <ryandesign at macports.org> wrote:
> 
>> 
>> On Jul 26, 2012, at 07:41, William H. Magill wrote:
>> 
>>> I am about to upgrade to Mountain Lion and I note that the Migration Document does not mention anything specifically about it.
>>> 
>>> Are there any "differences" or particular "changes/gotchas" unique to Mountain Lion that need to be considered?
>> 
>> Should be the same as before. Upgrade OS, upgrade Xcode, upgrade Xcode command line tools, accept Xcode license agreement (maybe?), rebuild all ports.
>> 
> There
> may be a problem, though, due to the lack of 10.6SDK in Xcode 4.4. At least wxWidgets seems to require that (old Carbon 32-bit!), so maybe it's time to begin preparing for saying goodbye for some packages in ML.

Really? No 10.6 SDK in Xcode 4.4? Not even optionally? I'm surprised. I thought there were previously SDKs for two older versions of the OS in addition to the current version.