Add package traits for compile-time configuration#245
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ibireme merged 1 commit intoibireme:masterfrom Jan 19, 2026
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Introduce Swift 6.1 manifest with traits for optional features: - noReader, noWriter, noIncrementalReader, noUtilities - noFastFloatingPoint, strictStandardJSON, noUTF8Validation Rename original manifest to Package@swift-5.swift to maintain backward compatibility with Swift 5.x and 6.0.
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Follow-up to #244
yyjson provides several compile-time options via C preprocessor macros that allow developers to disable unused features and reduce binary size. With Swift 6.1's package traits, these options are now configurable directly from Swift Package Manager, making it easy for Swift projects to customize their yyjson builds without modifying source files or managing custom build settings.
This PR adds a Swift 6.1 package manifest with traits for optional features:
noReader,noWriter,noIncrementalReader,noUtilities,noFastFloatingPoint,strictStandardJSON,noUTF8Validation.To maintain backwards compatibility, we take advantage of version-specific manifests. This PR renames the original manifest to
Package@swift-5.swift, which Swift versions before 6.1 will fall back to.We use this approach currently in mattt/swift-yyjson to allow package consumers to tailor their installation according to their particular needs. If this PR is merged and a new minor release is cut, we'll be able to depend directly on this repo as a package dependency, rather than vendoring it as we currently do.