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Build as a universal binary on MacOSX. #3919

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@jemc jemc commented Nov 6, 2021

WIP

@jemc jemc self-assigned this Nov 6, 2021
@jemc jemc force-pushed the macosx-universal-binary branch from 9ff8c38 to 29a651d Compare November 6, 2021 03:57
@jemc jemc force-pushed the macosx-universal-binary branch from 29a651d to b7f55ae Compare November 6, 2021 03:59
@SeanTAllen
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How would this work with the runtime where we need both the X86 and Arm code which often defines the same datastructures in different forms?

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jemc commented Nov 6, 2021

It's totally possible to deal with that by basically just building everything twice and using lipo to stitch them together into the two slices of a "universal binary". However, it may not be ergonomic in our current build system to do that.

Anyway, please treat this draft PR as exploratory while I figure out not only what is possible, but also what is feasible in our build system.

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