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build: initial support for building with CMake
Add support for building with CMake which is required to get the toolchain bootstrapped. This partially addresses #7.
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‎CMakeLists.txt

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#[[
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This source file is part of the Swift open source project
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Copyright (c) 2014 - 2025 Apple Inc. and the Swift project authors
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Licensed under Apache License v2.0 with Runtime Library Exception
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See http://swift.org/LICENSE.txt for license information
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See http://swift.org/CONTRIBUTORS.txt for Swift project authors
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]]
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cmake_minimum_required(VERSION 3.26...3.29)
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project(SwiftBuild
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LANGUAGES C CXX Swift)
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set(CMAKE_C_VISIBILITY hidden)
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set(CMAKE_CXX_VISIBILITY hidden)
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set(CMAKE_CXX_STANDARD 17)
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set(CMAKE_CXX_STANDARD_REQUIRED YES)
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set(CMAKE_CXX_EXTENSIONS NO)
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set(CMAKE_VISIBILITY_INLINES_HIDDEN YES)
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option(SwiftBuild_USE_LLBUILD_FRAMEWORK "Use LLBuild Framework" NO)
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set(SwiftBuild_LANGUAGE_VERSION_6 $<VERSION_LESS:$<TARGET_PROPERTY:Swift_LANGUAGE_VERSION>,6>)
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add_compile_options("$<$<COMPILE_LANGUAGE:Swift>:SHELL:-package-name SwiftBuild>"
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"$<$<AND:$<COMPILE_LANGUAGE:Swift>,${SwiftBuild_LANGUAGE_VERSION_6}>:SHELL:-enable-upcoming-feature ConciseMagicFile>"
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"$<$<AND:$<COMPILE_LANGUAGE:Swift>,${SwiftBuild_LANGUAGE_VERSION_6}>:SHELL:-enable-upcoming-feature DeprecateApplicationMain>"
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"$<$<AND:$<COMPILE_LANGUAGE:Swift>,${SwiftBuild_LANGUAGE_VERSION_6}>:SHELL:-enable-upcoming-feature DisableOutwardActorInference>"
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"$<$<AND:$<COMPILE_LANGUAGE:Swift>,${SwiftBuild_LANGUAGE_VERSION_6}>:SHELL:-enable-upcoming-feature ForwardTrailingClosures>"
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"$<$<AND:$<COMPILE_LANGUAGE:Swift>,${SwiftBuild_LANGUAGE_VERSION_6}>:SHELL:-enable-upcoming-feature GlobalConcurrency>"
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"$<$<AND:$<COMPILE_LANGUAGE:Swift>,${SwiftBuild_LANGUAGE_VERSION_6}>:SHELL:-enable-upcoming-feature ImplicitOpenExistentials>"
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"$<$<AND:$<COMPILE_LANGUAGE:Swift>,${SwiftBuild_LANGUAGE_VERSION_6}>:SHELL:-enable-upcoming-feature ImplicitOpenExistentialsImportObjcForwardDeclarations>"
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"$<$<AND:$<COMPILE_LANGUAGE:Swift>,${SwiftBuild_LANGUAGE_VERSION_6}>:SHELL:-enable-upcoming-feature InferSendableFromCaptures>"
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"$<$<AND:$<COMPILE_LANGUAGE:Swift>,${SwiftBuild_LANGUAGE_VERSION_6}>:SHELL:-enable-upcoming-feature IsolatedDefaultValues>"
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# rdar://137809703
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# "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-enable-upcoming-feature RegionBasedIsolation>"
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"$<$<COMPILE_LANGUAGE:Swift>:SHELL:-enable-upcoming-feature ExistentialAny>"
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"$<$<COMPILE_LANGUAGE:Swift>:SHELL:-enable-upcoming-feature InternalImportsByDefault>")
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# Prefer the static initialisation for the pluigns.
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add_compile_definitions(USE_STATIC_PLUGIN_INITIALIZATION)
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find_package(ArgumentParser)
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find_package(LLBuild)
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find_package(SwiftDriver)
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find_package(SwiftSystem)
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find_package(TSC)
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# NOTE: these two are required for LLBuild dependencies
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find_package(Threads)
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find_package(SQLite3)
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add_subdirectory(Sources)

‎Package.swift

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Original file line numberDiff line numberDiff line change
@@ -83,18 +83,21 @@ let package = Package(
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"SwiftBuild",
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"SWBBuildServiceBundle", // the CLI needs to launch the service bundle
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],
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exclude: ["CMakeLists.txt"],
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swiftSettings: swiftSettings(languageMode: .v6)),
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.executableTarget(
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name: "SWBBuildServiceBundle",
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dependencies: [
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"SWBBuildService", "SWBBuildSystem", "SWBServiceCore", "SWBUtil", "SWBCore",
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],
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exclude: ["CMakeLists.txt"],
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swiftSettings: swiftSettings(languageMode: .v6)),
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// Libraries
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.target(
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name: "SwiftBuild",
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dependencies: ["SWBCSupport", "SWBCore", "SWBProtocol", "SWBUtil", "SWBProjectModel"],
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exclude: ["CMakeLists.txt"],
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swiftSettings: swiftSettings(languageMode: .v5)),
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.target(
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name: "SWBBuildService",
@@ -104,10 +107,12 @@ let package = Package(
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"SWBTaskExecution",
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.product(name: "SystemPackage", package: "swift-system", condition: .when(platforms: [.linux, .android, .windows])),
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],
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exclude: ["CMakeLists.txt"],
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swiftSettings: swiftSettings(languageMode: .v5)),
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.target(
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name: "SWBBuildSystem",
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dependencies: ["SWBCore", "SWBTaskConstruction", "SWBTaskExecution"],
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exclude: ["CMakeLists.txt"],
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swiftSettings: swiftSettings(languageMode: .v5)),
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.target(
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name: "SWBCore",
@@ -120,6 +125,7 @@ let package = Package(
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.product(name: "SwiftDriver", package: "swift-driver"),
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"SWBLLBuild",
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],
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exclude: ["CMakeLists.txt"],
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swiftSettings: swiftSettings(languageMode: .v5),
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plugins: [
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.plugin(name: "SWBSpecificationsPlugin")
@@ -134,12 +140,13 @@ let package = Package(
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swiftSettings: swiftSettings(languageMode: .v6)),
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.target(
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name: "SWBCLibc",
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exclude: ["README.md"],
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exclude: ["CMakeLists.txt", "README.md"],
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publicHeadersPath: ".",
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swiftSettings: swiftSettings(languageMode: .v6)),
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.target(
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name: "SWBLibc",
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dependencies: ["SWBCLibc"],
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exclude: ["CMakeLists.txt"],
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swiftSettings: swiftSettings(languageMode: .v6)),
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.target(
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name: "SWBLLBuild",
@@ -149,33 +156,40 @@ let package = Package(
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.product(name: "libllbuild", package: useLocalDependencies ? "llbuild" : "swift-llbuild"),
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.product(name: "llbuildSwift", package: useLocalDependencies ? "llbuild" : "swift-llbuild"),
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]),
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exclude: ["CMakeLists.txt"],
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swiftSettings: swiftSettings(languageMode: .v6)),
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.target(
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name: "SWBMacro",
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dependencies: [
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"SWBUtil",
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.product(name: "SwiftDriver", package: "swift-driver"),
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],
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exclude: ["CMakeLists.txt"],
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swiftSettings: swiftSettings(languageMode: .v6)),
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.target(
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name: "SWBProjectModel",
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dependencies: ["SWBProtocol"],
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exclude: ["CMakeLists.txt"],
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swiftSettings: swiftSettings(languageMode: .v6)),
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.target(
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name: "SWBProtocol",
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dependencies: ["SWBUtil"],
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exclude: ["CMakeLists.txt"],
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swiftSettings: swiftSettings(languageMode: .v6)),
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.target(
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name: "SWBServiceCore",
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dependencies: ["SWBProtocol"],
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exclude: ["CMakeLists.txt"],
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swiftSettings: swiftSettings(languageMode: .v6)),
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.target(
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name: "SWBTaskConstruction",
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dependencies: ["SWBCore", "SWBUtil"],
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exclude: ["CMakeLists.txt"],
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swiftSettings: swiftSettings(languageMode: .v5)),
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.target(
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name: "SWBTaskExecution",
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dependencies: ["SWBCore", "SWBUtil", "SWBCAS", "SWBLLBuild", "SWBTaskConstruction"],
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exclude: ["CMakeLists.txt"],
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swiftSettings: swiftSettings(languageMode: .v5)),
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.target(
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name: "SWBUtil",
@@ -186,39 +200,48 @@ let package = Package(
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.product(name: "Crypto", package: "swift-crypto", condition: .when(platforms: [.linux, .android])),
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.product(name: "SystemPackage", package: "swift-system", condition: .when(platforms: [.linux, .android, .windows])),
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],
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exclude: ["CMakeLists.txt"],
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swiftSettings: swiftSettings(languageMode: .v5)),
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.target(
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name: "SWBCAS",
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dependencies: ["SWBUtil", "SWBCSupport"],
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exclude: ["CMakeLists.txt"],
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swiftSettings: swiftSettings(languageMode: .v6)),
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.target(
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name: "SWBAndroidPlatform",
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dependencies: ["SWBCore", "SWBMacro", "SWBUtil"],
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exclude: ["CMakeLists.txt"],
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swiftSettings: swiftSettings(languageMode: .v6)),
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.target(
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name: "SWBApplePlatform",
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dependencies: ["SWBCore", "SWBMacro", "SWBUtil", "SWBTaskConstruction"],
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exclude: ["CMakeLists.txt"],
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swiftSettings: swiftSettings(languageMode: .v6)),
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.target(
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name: "SWBGenericUnixPlatform",
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dependencies: ["SWBCore", "SWBUtil"],
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exclude: ["CMakeLists.txt"],
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swiftSettings: swiftSettings(languageMode: .v6)),
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.target(
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name: "SWBQNXPlatform",
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dependencies: ["SWBCore", "SWBMacro", "SWBUtil"],
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exclude: ["CMakeLists.txt"],
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swiftSettings: swiftSettings(languageMode: .v6)),
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.target(
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name: "SWBUniversalPlatform",
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dependencies: ["SWBCore", "SWBMacro", "SWBUtil"],
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exclude: ["CMakeLists.txt"],
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swiftSettings: swiftSettings(languageMode: .v6)),
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.target(
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name: "SWBWebAssemblyPlatform",
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dependencies: ["SWBCore", "SWBMacro", "SWBUtil"],
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exclude: ["CMakeLists.txt"],
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swiftSettings: swiftSettings(languageMode: .v6)),
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.target(
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name: "SWBWindowsPlatform",
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dependencies: ["SWBCore", "SWBMacro", "SWBUtil"],
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exclude: ["CMakeLists.txt"],
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swiftSettings: swiftSettings(languageMode: .v6)),
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// Helper targets for SwiftPM

‎Sources/CMakeLists.txt

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#[[
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This source file is part of the Swift open source project
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Copyright (c) 2014 - 2025 Apple Inc. and the Swift project authors
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Licensed under Apache License v2.0 with Runtime Library Exception
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See http://swift.org/LICENSE.txt for license information
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See http://swift.org/CONTRIBUTORS.txt for Swift project authors
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]]
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add_subdirectory(SWBCSupport)
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add_subdirectory(SWBCLibc)
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add_subdirectory(SWBLibc)
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add_subdirectory(SWBUtil)
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add_subdirectory(SWBMacro)
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add_subdirectory(SWBProtocol)
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add_subdirectory(SWBServiceCore)
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add_subdirectory(SWBCAS)
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add_subdirectory(SWBLLBuild)
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add_subdirectory(SWBCore)
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add_subdirectory(SWBTaskConstruction)
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add_subdirectory(SWBAndroidPlatform)
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add_subdirectory(SWBApplePlatform)
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add_subdirectory(SWBGenericUnixPlatform)
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add_subdirectory(SWBQNXPlatform)
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add_subdirectory(SWBUniversalPlatform)
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add_subdirectory(SWBWebAssemblyPlatform)
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add_subdirectory(SWBWindowsPlatform)
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add_subdirectory(SWBTaskExecution)
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add_subdirectory(SWBBuildSystem)
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add_subdirectory(SWBBuildService)
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add_subdirectory(SWBProjectModel)
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add_subdirectory(SwiftBuild)
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add_subdirectory(swbuild)
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add_subdirectory(SWBBuildServiceBundle)

‎Sources/SWBAndroidPlatform/CMakeLists.txt

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#[[
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This source file is part of the Swift open source project
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Copyright (c) 2014 - 2025 Apple Inc. and the Swift project authors
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Licensed under Apache License v2.0 with Runtime Library Exception
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See http://swift.org/LICENSE.txt for license information
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See http://swift.org/CONTRIBUTORS.txt for Swift project authors
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]]
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file(TO_NATIVE_PATH "${CMAKE_CURRENT_BINARY_DIR}"
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_SWBAndroidPlatform_NATIVE_CMAKE_CURRENT_BINARY_DIR)
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file(CONFIGURE
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OUTPUT resource_bundle_accessor.swift
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CONTENT [[
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import Foundation
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extension Foundation.Bundle {
18+
static let module: Bundle = {
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let mainPath = Bundle.main.bundleURL.appendingPathComponent("SwiftBuild_SWBAndroidPlatform.resources").path
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let buildPath = #"@_SWBAndroidPlatform_NATIVE_CMAKE_CURRENT_BINARY_DIR@\SwiftBuild_SWBAndroidPlatform.resources"#
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let preferredBundle = Bundle(path: mainPath)
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guard let bundle = preferredBundle ?? Bundle(path: buildPath) else {
23+
Swift.fatalError("could not load resource bundle: from \(mainPath) or \(buildPath)")
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}
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return bundle
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}()
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}
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]]
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ESCAPE_QUOTES @ONLY NEWLINE_STYLE LF)
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add_library(SWBAndroidPlatform STATIC
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AndroidSDK.swift
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Plugin.swift)
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target_link_libraries(SWBAndroidPlatform PUBLIC
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SWBCore
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SWBMacro
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SWBUtil)
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target_sources(SWBAndroidPlatform PRIVATE
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"${CMAKE_CURRENT_BINARY_DIR}/resource_bundle_accessor.swift")

‎Sources/SWBApplePlatform/CMakeLists.txt

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#[[
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This source file is part of the Swift open source project
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Copyright (c) 2014 - 2025 Apple Inc. and the Swift project authors
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Licensed under Apache License v2.0 with Runtime Library Exception
6+
7+
See http://swift.org/LICENSE.txt for license information
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See http://swift.org/CONTRIBUTORS.txt for Swift project authors
9+
]]
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file(TO_NATIVE_PATH "${CMAKE_CURRENT_BINARY_DIR}"
12+
_SWBApplePlatform_NATIVE_CMAKE_CURRENT_BINARY_DIR)
13+
file(CONFIGURE
14+
OUTPUT resource_bundle_accessor.swift
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CONTENT [[
16+
import Foundation
17+
extension Foundation.Bundle {
18+
static let module: Bundle = {
19+
let mainPath = Bundle.main.bundleURL.appendingPathComponent("SwiftBuild_SWBApplePlatform.resources").path
20+
let buildPath = #"@_SWBApplePlatform_NATIVE_CMAKE_CURRENT_BINARY_DIR@\SwiftBuild_SWBApplePlatform.resources"#
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let preferredBundle = Bundle(path: mainPath)
22+
guard let bundle = preferredBundle ?? Bundle(path: buildPath) else {
23+
Swift.fatalError("could not load resource bundle: from \(mainPath) or \(buildPath)")
24+
}
25+
return bundle
26+
}()
27+
}
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]]
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ESCAPE_QUOTES @ONLY NEWLINE_STYLE LF)
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add_library(SWBApplePlatform STATIC
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Specs/AssetCatalogCompiler.swift
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Specs/CopyTiffFile.swift
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Specs/CoreDataCompiler.swift
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Specs/CoreMLCompiler.swift
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Specs/DittoTool.swift
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Specs/ExtensionPointsCompiler.swift
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Specs/IIGCompiler.swift
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Specs/InstrumentsPackageBuilderSpec.swift
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Specs/IntentsCompiler.swift
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Specs/InterfaceBuilderCompiler.swift
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Specs/InterfaceBuilderShared.swift
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Specs/MetalCompiler.swift
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Specs/MiGCompiler.swift
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Specs/OpenCLCompiler.swift
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Specs/RealityAssetsCompilerSpec.swift
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Specs/ReferenceObjectCompiler.swift
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Specs/ResMergerLinkerSpec.swift
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Specs/SceneKitToolSpec.swift
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Specs/StoryboardLinker.swift
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Specs/XCStringsCompiler.swift
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ActoolInputFileGroupingStrategy.swift
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AssetCatalogCompilerOutputParser.swift
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CMakeLists.txt
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DevelopmentAssetsTaskProducer.swift
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ImageScaleFactorsInputFileGroupingStrategy.swift
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InterfaceBuilderCompilerOutputParser.swift
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LocalizationInputFileGroupingStrategy.swift
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MacCatalystInfoExtension.swift
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Plugin.swift
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RealityAssetsTaskProducer.swift
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StringCatalogCompilerOutputParser.swift
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StubBinaryTaskProducer.swift
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XCStringsInputFileGroupingStrategy.swift)
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set_target_properties(SWBApplePlatform PROPERTIES
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Swift_LANGUAGE_VERSION 6)
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target_link_libraries(SWBApplePlatform PUBLIC
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SWBCore
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SWBMacro
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SWBUtil
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SWBProtocol
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SWBTaskConstruction)
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target_sources(SWBApplePlatform PRIVATE
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"${CMAKE_CURRENT_BINARY_DIR}/resource_bundle_accessor.swift")

‎Sources/SWBBuildService/CMakeLists.txt

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#[[
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This source file is part of the Swift open source project
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Copyright (c) 2014 - 2025 Apple Inc. and the Swift project authors
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Licensed under Apache License v2.0 with Runtime Library Exception
6+
7+
See http://swift.org/LICENSE.txt for license information
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See http://swift.org/CONTRIBUTORS.txt for Swift project authors
9+
]]
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add_library(SWBBuildService
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BuildDependencyInfo.swift
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BuildOperationMessages.swift
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BuildService.swift
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BuildServiceEntryPoint.swift
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ClientExchangeDelegate.swift
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DependencyGraphMessages.swift
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DocumentationInfo.swift
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LocalizationInfo.swift
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Messages.swift
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PlanningOperation.swift
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PreviewInfo.swift
23+
ProjectDescriptor.swift
24+
Session.swift
25+
Tools.swift)
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set_target_properties(SWBBuildService PROPERTIES
27+
Swift_LANGUAGE_VERSION 5)
28+
target_link_libraries(SWBBuildService PUBLIC
29+
SWBBuildSystem
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SWBServiceCore
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SWBTaskExecution
32+
SWBAndroidPlatform
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SWBApplePlatform
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SWBGenericUnixPlatform
35+
SWBQNXPlatform
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SWBUniversalPlatform
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SWBWebAssemblyPlatform
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SWBWindowsPlatform
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SwiftSystem::SystemPackage)

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