Use __BundleLookupHelper.self when building mergable library #1389
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jmschonfeld
approved these changes
Jun 30, 2025
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@swift-ci please test |
matthewseaman
approved these changes
Jul 1, 2025
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Updating the
#bundlemacro to check whetherSWIFT_BUNDLE_LOOKUP_HELPER_AVAILABLEis set. If that is the case, the build system built a mergable library and emitted a class called__BundleLookupHelper.The linker has a code path that makes
Bundle(forClass: )work for merged libraries, whereas the DSO-handle is the same for all merged targets.The build system counterpart has been merged here: swiftlang/swift-build#599