User information about macOS Mojave

[mf2k at macports.org]

> On Sep 19, 2018, at 6:35 AM, Vincent Habchi <vince at macports.org> wrote:
> 
>>> One specific change in Mojave is the deprecation of 32-bit software. Mojave can run existing 32-bit software but can't build 32-bit software anymore [3] so MacPorts can't offer 32-bit software on Mojave.
>> I don't need it, but out of curiosity, what exactely isn't provided by Apple that prevents building 32-bits software?
>> Why is it not possible to build 32-bit software with a Macports version of gcc, linked against Macports version of libraries?
> 
> The 10.14 SDK doesn’t embed the 32-bit libraries anymore. I suppose if you compile clang/llvm from MacPorts, you can still continue to develop i386 software, though access to Cocoa would be problematic.

Using Macports clang/llvm seems like a good idea to solve the 32-bit issue for ports like Wine. If the port is Cocoa based, then it would be able to build as 64-bit only anyway.