RFR: 8357119: Make Zero the default and only variant of HotSpot for iOS [v2]

[Julian Waters]

On Fri, 16 May 2025 15:44:21 GMT, Magnus Ihse Bursie <ihse at openjdk.org> wrote:

>> README.md line 22:
>> 
>>> 20: ### Pre-requisites
>>> 21: Following are the prerequisites to build JDK on Mac targeting iOS:
>>> 22: 1. Download and install JDK24 for macOS. You can use the JDK you just built targeting macOS in the above note instead, but this is not recommended.
>> 
>> out of curiosity, why is that not recommended?
>
> Yes, I can't see why that would be a problem.

I was conservative and thought we wouldn't want to encourage using a bleeding edge JDK compiled off master as the boot JDK. If this is ok, I can remove that "Not recommended" note.

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PR Review Comment: https://git.openjdk.org/mobile/pull/35#discussion_r2093883874