[Dependency Scanning] Do not include -target in extraPCMArgs when scanning an interface
#38417
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… scanning an interface swiftlang#37774 (related to rdar://72480261) has made it so that the target of built clang modules (even downstream from Swift interface dependencies) can be consistent with that of the main module. This means that when building transitive Clang dependencies of the main module, they will always have a matching triple to the main module itself (ensured with `-clang-target`). This means we no longer have to report the target triple in the set of `extraPCMArgs` which encode an interface-specific requirement for building its dependencies.
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@swift-ci please test |
nkcsgexi
approved these changes
Jul 15, 2021
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#37774 (related to rdar://72480261) has made it so that the target of built clang modules (even downstream from Swift interface dependencies) can be consistent with that of the main module. This means that when building transitive Clang dependencies of the main module, they will always have a matching triple to the main module itself (ensured with
-clang-target). This means we no longer have to report the target triple in the set ofextraPCMArgswhich encode an interface-specific requirement for building its dependencies.When no -clang-target is specified on the scanner invocation (if the driver was invoked with
-disable-clang-target, for example, preserve existing behavior.