use host_cpu in BUILD.gn to determine where to find gen_snapshot #34870
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zanderso
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lgtm after fix noted below. I'll follow-up with changes to the GN to compute the value for the flag instead of hardcoding it.
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| parser.add_argument('--dst', type=str, required=True) | ||
| parser.add_argument('--clang-dir', type=str, required=True) |
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The bots call this script, so to make this a soft transition, the new flag would need to be option with a default value of 'clang_x64'.
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Yay! That explains the mystery errors that had no logs.
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But this begs the question - if/when we start having Apple Silicon machines running our CI, won't this just shift the problem from needing a default to needing the create_macos_gen_snapshots.py script be able to figure out the default?
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Or teaching the CI machines to figure this out and provide the answer when they call the script? Maybe that's the best strategy?
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Yeah, we'll have to modify the recipe to get it to work on arm64.
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Is it worth updating the recipes now?
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After this lands, we should update to explicitly pass the new flag, but I think we should wait to add logic to programatically figure out the arch until we're ready to bring those machines online.
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Fixes: flutter/flutter#108238