mac SDK: AVSampleBufferDisplayLayer is marked as 10.10+, but has been available since 10.8, and was in the 10.8 SDK
| Originator: | thakis | ||
| Number: | rdar://33456649 | Date Originated: | 2017 Jul 21 |
| Status: | new | Resolved: | |
| Product: | macOS + SDK | Product Version: | |
| Classification: | other bug | Reproducible: | always |
AVSampleBufferDisplayLayer is marked as being available since macOS 10.10, and clang insists on it being used in @available(macos 10.10, *). However, AVSampleBufferDisplayLayer has been around as public API since 10.8. The availability annotation should be fixed. Set deployment target to 10.9, build a program that uses AVSampleBufferDisplayLayer. Expected Results: No diagnostic. Observed Results: -Wunguarded-availability gets emitted Version: I'm building on macOS 10.12, but that's irrelevant to this bug. Notes: This currently requires yucky workarounds like https://cs.chromium.org/chromium/src/ui/accelerated_widget_mac/availability_macros.h?type=cs&q=AVSampleBufferDisplayLayer&sq=package:chromium&l=5
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