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Libc++ is used as a system library on macOS and iOS (amongst others). In order for users to be able to compile a binary that is intended to be deployed to an older version of the platform, clang provides the availability attribute <https://clang.llvm.org/docs/AttributeReference.html#availability>_ that can be placed on declarations to describe the lifecycle of a symbol in the library. See docs/DesignDocs/AvailabilityMarkup.rst for more information. Differential Revision: https://reviews.llvm.org/D31739 llvm-svn: 302172 |
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| .. | ||
| ABIVersioning.rst | ||
| AvailabilityMarkup.rst | ||
| CapturingConfigInfo.rst | ||
| DebugMode.rst | ||
| ThreadingSupportAPI.rst | ||
| VisibilityMacros.rst | ||