Package.swift Settings

LinkerSetting.swift

extension LinkerSetting {
    static var mergeable: Self = unsafeFlags([
        "-Wl,-make_mergeable",
        "-Wl,-no_exported_symbols",
    ])
}

SwiftSetting.swift

extension SwiftSetting {
    static func warnLongExpressionTypeChecking(
        typeChecking: Int = 200,
        functionBodies: Int = 200,
        for configuration: BuildConfiguration = .debug
    ) -> Self {
        unsafeFlags(
            [
                "-Xfrontend", "-warn-long-expression-type-checking=\(typeChecking)",
                "-Xfrontend", "-warn-long-function-bodies=\(functionBodies)",
            ],
            .when(configuration: configuration)
        )
    }

    enum ConcurrencyChecking: String {
        case complete
        case minimal
        case targeted
    }

    static func concurrencyChecking(
        _ setting: ConcurrencyChecking = .complete,
        for configuration: BuildConfiguration = .debug
    ) -> Self {
        .unsafeFlags(
            [
                "-Xfrontend", "-strict-concurrency=\(setting)",
                "-Xfrontend", "-warn-concurrency",
                "-Xfrontend", "-enable-actor-data-race-checks",
            ],
            .when(configuration: configuration)
        )
    }
}