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https://github.com/swiftlang/swift/pull/37774 added '-clang-target' which allows us to specify a target triple that only differs from '-target' by the OS version, when we want to provide a different OS version for API availability and type-checking, in order to set a common/unified target triple for the entire Clang module dependency graph, for presenting a unified API surface to the Swift client, serving as a maximum type-checking epoch. This change adds an equivalent flag for the '-target-variant' configuration, as a mechanism to ensure that the entire module dependency graph presents a consistent os version.
24 lines
922 B
Swift
24 lines
922 B
Swift
// REQUIRES: objc_interop
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// REQUIRES: OS=macosx
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// RUN: %empty-directory(%t)
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// RUN: %empty-directory(%t/module-cache)
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// RUN: %target-swift-frontend -scan-dependencies -enable-objc-interop -module-load-mode prefer-interface -module-cache-path %t.module-cache %s -o %t.deps.json -I %S/Inputs/CHeaders -I %S/Inputs/Swift -target arm64e-apple-ios16.4-macabi -clang-target arm64e-apple-ios17.0-macabi -target-variant arm64e-apple-macosx14.4 -clang-target-variant arm64e-apple-macosx15.0
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// RUN: %validate-json %t.deps.json | %FileCheck %s
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// Ensure the flag affects Clang dependencies in the expected way
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// CHECK: "clang": "X"
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// CHECK: "modulePath": "{{.*}}X-{{.*}}.pcm"
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// CHECK: "-darwin-target-variant-triple"
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// CHECK-NEXT: "-Xcc"
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// CHECK-NEXT: "arm64e-apple-macosx15.0"
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// Ensure the flag is propagated to Swift dependencies
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// CHECK: "-clang-target-variant"
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// CHECK-NEXT: "arm64e-apple-macosx15.0"
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import X
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