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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)

‎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 {
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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 {
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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
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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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_SWBApplePlatform_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 {
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static let module: Bundle = {
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let mainPath = Bundle.main.bundleURL.appendingPathComponent("SwiftBuild_SWBApplePlatform.resources").path
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let buildPath = #"@_SWBApplePlatform_NATIVE_CMAKE_CURRENT_BINARY_DIR@\SwiftBuild_SWBApplePlatform.resources"#
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let preferredBundle = Bundle(path: mainPath)
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guard let bundle = preferredBundle ?? Bundle(path: buildPath) else {
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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(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
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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_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
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ProjectDescriptor.swift
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Session.swift
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Tools.swift)
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set_target_properties(SWBBuildService PROPERTIES
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Swift_LANGUAGE_VERSION 5)
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target_link_libraries(SWBBuildService PUBLIC
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SWBBuildSystem
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SWBServiceCore
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SWBTaskExecution
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SWBAndroidPlatform
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SWBApplePlatform
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SWBGenericUnixPlatform
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SWBQNXPlatform
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SWBUniversalPlatform
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SWBWebAssemblyPlatform
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SWBWindowsPlatform
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SwiftSystem::SystemPackage)

‎Sources/SWBBuildServiceBundle/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_executable(SWBBuildServiceBundle
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main.swift)
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set_target_properties(SWBBuildServiceBundle PROPERTIES
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Swift_LANGUAGE_VERSION 6)
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target_link_libraries(SWBBuildServiceBundle PRIVATE
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SWBBuildService
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SWBBuildSystem
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SWBServiceCore
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SWBUtil
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SWBCore)
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install(TARGETS SWBBuildServiceBundle)

‎Sources/SWBBuildSystem/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_library(SWBBuildSystem
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BuildManager.swift
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BuildOperation.swift
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BuildOperationExtension.swift
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BuildSystemCache.swift
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CleanOperation.swift
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DependencyCycleFormatter.swift
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SandboxViolations.swift)
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set_target_properties(SWBBuildSystem PROPERTIES
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Swift_LANGUAGE_VERSION 5)
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target_link_libraries(SWBBuildSystem PUBLIC
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SWBCore
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SWBTaskConstruction
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SWBTaskExecution)

‎Sources/SWBCAS/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_library(SWBCAS
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CASFSNode.swift
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CASProtocol.swift
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Errors.swift
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plugin_api_t.swift
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ToolchainCASPlugin.swift)
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set_target_properties(SWBCAS PROPERTIES
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Swift_LANGUAGE_VERSION 6)
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target_link_libraries(SWBCAS PUBLIC
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SWBUtil
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SWBCSupport)

‎Sources/SWBCLibc/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_library(SWBCLibc
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libc.c)
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target_include_directories(SWBCLibc INTERFACE
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include)

‎Sources/SWBCSupport/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_library(SWBCSupport STATIC
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CLibclang.cpp
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CLibRemarksHelper.c)
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target_compile_definitions(SWBCSupport PRIVATE
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$<$<PLATFORM_ID:Windows>:_CRT_SECURE_NO_WARNINGS>
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$<$<PLATFORM_ID:Windows>:_CRT_NONSTDC_NO_WARNINGS>)
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target_compile_options(SWBCSupport PRIVATE
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-fblocks)
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target_include_directories(SWBCSupport PUBLIC
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${CMAKE_CURRENT_SOURCE_DIR})
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# TODO(compnerd) wire this up with `find_package`
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target_link_libraries(SWBCSupport PRIVATE
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BlocksRuntime)

‎Sources/SWBCSupport/module.modulemap

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module SWBCSupport {
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header "SWBCSupport.h"
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export *
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}

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