Dave Bort

@ykhrustalev thanks for pointing that out! FLATCC_INSTALL_LIB looks like it would let us separate host and target libraries. I'll see if it helps us fix our current breakage. I'd still...

I transferred this over to the torchchat repo since it seems TC-related on its surface

I'm sorry for the delay on this, I'm taking a look

Thank you! This is much more straightforward now. I'll start the internal testing process.

Some of the CI jobs are timing out after 90 minutes; usually they take

@haowhsu-quic could you please rebase this on top of a recent `main` commit? I can't update it myself because it's based on the CodeLinaro fork.

We're still trying to figure out why these jobs are failing; something is weird here.

I cloned this PR into https://github.com/pytorch/executorch/pull/4515 to see if the jobs still fail there.

The cloned PR passed all tests, so I'm comfortable force-landing this PR. I'm trying again now.

This broke the test-coreml-delegate build: ``` 2024-08-02T20:11:02.3809110Z 2024-08-02T20:11:02.3810550Z Ld /Users/runner/Library/Developer/Xcode/DerivedData/coreml_executor_runner-bkoiqshilmuvptcxjvpygyufxpnf/Build/Intermediates.noindex/InstallIntermediates/coreml_executor_runner-macosx/InstallableProducts/usr/local/bin/coreml_executor_runner normal (in target 'coreml_executor_runner' from project 'coreml_executor_runner') 2024-08-02T20:11:02.3812410Z cd /Users/runner/work/executorch/executorch/pytorch/executorch/examples/apple/coreml/executor_runner 2024-08-02T20:11:02.3825730Z /Applications/Xcode_15.2.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang++ -Xlinker -reproducible -target arm64-apple-macos13.0 -isysroot /Applications/Xcode_15.2.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX14.2.sdk -O0 -L/Users/runner/Library/Developer/Xcode/DerivedData/coreml_executor_runner-bkoiqshilmuvptcxjvpygyufxpnf/Build/Intermediates.noindex/InstallIntermediates/coreml_executor_runner-macosx/Intermediates.noindex/EagerLinkingTBDs/Debug...