[BuildPlan] Fix traverseModules to account for tests with direct ma…
#8940
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…cro dependencies This change aligns `traverseModules` with `computeDestinations` in regard to test targets that have direct macro dependencies: if at least one test target directly depends on a macro, all of the tests are built for the "host". Resolves: swiftlang/sourcekit-lsp#2205
xedin
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bripeticca,
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@swift-ci please test |
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@swift-ci please test Windows platform |
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Thanks @xedin. I can confirm this fixes the issue 🙇 |
bnbarham
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Jul 16, 2025
dschaefer2
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xedin
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…ct ma… (#8943) …cro dependencies - Explanation: This change aligns `traverseModules` with `computeDestinations` in regard to test targets that have direct macro dependencies: if at least one test target directly depends on a macro, all of the tests are built for the "host". - Resolves: swiftlang/sourcekit-lsp#2205 - Resolves: rdar://155814321 - Main Branch PR: #8940 - Risk: Low. This functionality is only used by sourcekit-lsp at the moment and shouldn't have any impact on swiftpm operation. - Reviewed By: - - Testing: Added new test-cases to the suite. (cherry picked from commit a3e78e2)
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…cro dependencies
Motivation:
Currently there is a difference in behavior between
BuildPlan.computeDestinationsandBuildPlan.traverseModuleswhere the latter always returns test targets as built for the "target". This is incorrect if i.e. targets have direct macro
dependencies.
Modifications:
This change aligns
traverseModuleswithcomputeDestinationsin regard to test targets that are built for the host.And let's test targets be discovered through an aggregate produce that also informs their destination.
Result:
The fix helps sourcekit-lsp to correctly identify test targets.
Resolves: swiftlang/sourcekit-lsp#2205