Bump macOS build baseline to Xcode 12.5 and macOS 11.0 [was: std::optional::value]

[Stephan Bergmann]

On 13/01/2022 14:37, Stephan Bergmann wrote:
> On 13/01/2022 12:52, Christian Lohmaier wrote:
>> On Thu, Jan 13, 2022 at 9:24 AM Stephan Bergmann <sbergman at redhat.com> 
>> wrote:
>>> One option would apparently be to limit LO to building
>>> with Xcode >= 12.5, but some hardware (like my early 2013 15" Retina
>>> MacBook Pro) is stuck with macOS 10.15 and thus with Xcode 12.4 (see
>>> <https://en.wikipedia.org/wiki/Xcode#Xcode_11.x_-_13.x_(since_SwiftUI_framework)>). 
>>>
>>>    (For me personally that wouldn't be much of a problem, as I usually
>>> built against a trunk LLVM libc++ on that machine.  But it would
>>> presumably be an issue at least for some of the Jenkins machines?)
>>
>> Jenkins builders are either the trashcan macpro or macmini from 2014 
>> and 2018
>> So I think they all should be able to run Monterey
> 
> So for Jenkins it would work to bump LO master requirements to Xcode >= 
> 12.5 and adapt the Xcode installations on the various Jenkins macOS 
> machines accordingly?  That sounds like a good plan to me (which I would 
> then like to discuss in today's ESC meeting).

So as discussed at 
<https://lists.freedesktop.org/archives/libreoffice/2022-January/088319.html> 
"ESC meeting minutes: 2022-01-13", we will do the baseline bump to Xcode 
12.5 (and hence macOS 11.0) in early February, after the LO 7.3.0 release.