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a9f497d20c
Including all the system header dependencies and `stat`ing them all the time introduces significant performance overhead for normal compilation, and other features like code-completion, without being worth it in practice.
36 lines
2.0 KiB
Swift
36 lines
2.0 KiB
Swift
// RUN: %empty-directory(%t)
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// RUN: cp -r %S/Inputs/system-dependencies-sdk %t/sdk
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// RUN: echo 'import Platform; public func usesCStruct(_: SomeCStruct?) {}' | %target-swift-frontend - -emit-module-interface-path %t/sdk/usr/lib/swift/Swifty.swiftmodule/%target-swiftinterface-name -emit-module -o /dev/null -module-name Swifty -sdk %t/sdk
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// RUN: %swift_build_sdk_interfaces -sdk %t/sdk -v -o %t/prebuilt
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// RUN: ls %t/prebuilt | %FileCheck %s
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// CHECK: Swifty.swiftmodule
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// RUN: %target-typecheck-verify-swift -sdk %t/sdk -I %t/sdk/usr/lib/swift/ -module-cache-path %t/MCP -prebuilt-module-cache-path %t/prebuilt
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// RUN: %{python} %S/../ModuleCache/Inputs/check-is-forwarding-module.py %t/MCP/*.swiftmodule
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// Touch a file in the SDK (to make it look like it changed) and try again.
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// This should still be able to use the prebuilt modules because they track
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// content hashes, not just size+mtime.
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// RUN: rm -rf %t/MCP
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// RUN: %{python} %S/../ModuleCache/Inputs/make-old.py %t/sdk/usr/include/Platform.h
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// RUN: %target-typecheck-verify-swift -sdk %t/sdk -I %t/sdk/usr/lib/swift/ -module-cache-path %t/MCP -prebuilt-module-cache-path %t/prebuilt
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// RUN: %{python} %S/../ModuleCache/Inputs/check-is-forwarding-module.py %t/MCP/Swifty-*.swiftmodule
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// Actually change a file in the SDK, to check that we're not tracking system dependencies
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// at all.
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// RUN: rm -rf %t/MCP
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// RUN: echo "void unrelated();" >> %t/sdk/usr/include/Platform.h
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// RUN: %target-typecheck-verify-swift -sdk %t/sdk -I %t/sdk/usr/lib/swift/ -module-cache-path %t/MCP -prebuilt-module-cache-path %t/prebuilt
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// RUN: %{python} %S/../ModuleCache/Inputs/check-is-forwarding-module.py %t/MCP/Swifty-*.swiftmodule
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// Without the prebuilt cache everything should still work; it'll just take time
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// because we have to build the interfaces.
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// RUN: rm -rf %t/MCP
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// RUN: %target-typecheck-verify-swift -sdk %t/sdk -I %t/sdk/usr/lib/swift/ -module-cache-path %t/MCP
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// RUN: not %{python} %S/../ModuleCache/Inputs/check-is-forwarding-module.py %t/MCP/Swifty-*.swiftmodule
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import Swifty
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usesCStruct(nil)
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