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[build] Do not implicitly bump macCatalyst deployment target #77024

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Merged
merged 1 commit into from
Oct 18, 2024

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egorzhdan
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This fixes linker warnings that look like this:

ld: warning: object file (libswiftCompatibility56.a) was built for newer 'macOS' version (XYZ) than being linked (ABC)

These were caused by the compatibility binary being incorrectly built with a newer -target than desired: the CMake logic was overriding the requested minimum macOS deployment version (10.9) with a much newer macOS SDK version.

rdar://137565964

This fixes linker warnings that look like this:
```
ld: warning: object file (libswiftCompatibility56.a) was built for newer 'macOS' version (XYZ) than being linked (ABC)
```

These were caused by the compatibility binary being incorrectly built with a newer `-target` than desired: the CMake logic was overriding the requested minimum macOS deployment version (10.9) with a much newer macOS SDK version.

rdar://137565964
@egorzhdan egorzhdan requested a review from etcwilde October 15, 2024 14:55
@egorzhdan egorzhdan requested review from ktoso and a team as code owners October 15, 2024 14:55
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@swift-ci please test

@egorzhdan egorzhdan requested a review from DougGregor October 15, 2024 15:17
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@swift-ci please test Windows

@egorzhdan
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@swift-ci please test macOS

@egorzhdan egorzhdan requested a review from edymtt October 17, 2024 12:16
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@swift-ci please test macOS

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Landing this now, but I'm happy to address any more feedback post-merge.

@egorzhdan egorzhdan merged commit 940730e into main Oct 18, 2024
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@egorzhdan egorzhdan deleted the egorzhdan/maccatalyst-ld-warning branch October 18, 2024 17:32
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3 participants