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Re: macOS 11 POC

David Holland <> wrote:
> On Sun, Aug 23, 2020 at 09:51:50PM -0700, Chris Hanson wrote:
>  > Note too that a few years back the SDKs also switched to shipping
>  > "tbd" files instead of Mach-O stub libraries.
> For those of us following along at home... what's a "tbd" file? (Is
> there a reasonably short but technically sound description of these
> changes somewhere?)

I wasn't aware of this and had to look it up too:

The question is about iOS but it appears to apply to macOS equally.
The .tbd files are shipped with the SDK and are text stubs standing in
for system libraries of the target platform, but the installed shared
libraries (.dylib) still exist. That's no longer the case now.


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