Jonathan Brouwer
aa9d13374b
Extend macOS deployment target mismatch filter to cover dylib and new ld formats The `deployment_mismatch` filter in `report_linker_output` only matched the old ld64 format for object files. With linker-messages promoted to warn-by-default in rust-lang/rust#153968, unfiltered deployment target warnings from dylibs and the new Apple linker (ld_prime) now surface as noise for users who never set `MACOSX_DEPLOYMENT_TARGET`. Fixes rust-lang/rust#156714. At present, the filter works only covered the specific format: `ld: warning: object file (...) was built for newer 'macOS' version (...) than being linked (...)` This was fine because linker-messages was `Allow-by-default` — nobody saw the other formats anyway. Then rust-lang/rust#153968 promoted it to Warn, and the gaps became visible. Broadens the filter to cover all known ld deployment target version mismatch formats: `ld: warning: object file (...)` — old ld64, already handled `ld: warning: dylib (...)` — old ld64, was missing All Apple platforms (`iOS`, `tvOS`, `watchOS`, `xrOS`, etc.), not just `macOS` `ld: building for <platform>-A.B, but linking with dylib '...' which was built for newer version C.D` — new linker (ld_prime, Xcode 15+), the exact format from rust-lang/rust#156714 All matched messages are downgraded to `linker_info` (Allow-by-default), consistent with the existing behavior for the object file case.
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