diff --git a/CMakeLists.txt b/CMakeLists.txt
new file mode 100644
index 00000000..5ce37c15
--- /dev/null
+++ b/CMakeLists.txt
@@ -0,0 +1,48 @@
+#[[
+This source file is part of the Swift open source project
+
+Copyright (c) 2014 - 2025 Apple Inc. and the Swift project authors
+Licensed under Apache License v2.0 with Runtime Library Exception
+
+See http://swift.org/LICENSE.txt for license information
+See http://swift.org/CONTRIBUTORS.txt for Swift project authors
+]]
+
+cmake_minimum_required(VERSION 3.26...3.29)
+project(SwiftBuild
+  LANGUAGES C CXX Swift)
+
+set(CMAKE_C_VISIBILITY hidden)
+set(CMAKE_CXX_VISIBILITY hidden)
+set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD_REQUIRED YES)
+set(CMAKE_CXX_EXTENSIONS NO)
+set(CMAKE_VISIBILITY_INLINES_HIDDEN YES)
+
+option(SwiftBuild_USE_LLBUILD_FRAMEWORK "Use LLBuild Framework" NO)
+
+add_compile_options("$<$<COMPILE_LANGUAGE:Swift>:SHELL:-package-name SwiftBuild>"
+                    "$<$<AND:$<COMPILE_LANGUAGE:Swift>,$<VERSION_LESS:$<TARGET_PROPERTY:Swift_LANGUAGE_VERSION>,6>>:SHELL:-enable-upcoming-feature ConciseMagicFile>"
+                    "$<$<AND:$<COMPILE_LANGUAGE:Swift>,$<VERSION_LESS:$<TARGET_PROPERTY:Swift_LANGUAGE_VERSION>,6>>:SHELL:-enable-upcoming-feature DeprecateApplicationMain>"
+                    "$<$<AND:$<COMPILE_LANGUAGE:Swift>,$<VERSION_LESS:$<TARGET_PROPERTY:Swift_LANGUAGE_VERSION>,6>>:SHELL:-enable-upcoming-feature DisableOutwardActorInference>"
+                    "$<$<AND:$<COMPILE_LANGUAGE:Swift>,$<VERSION_LESS:$<TARGET_PROPERTY:Swift_LANGUAGE_VERSION>,6>>:SHELL:-enable-upcoming-feature ForwardTrailingClosures>"
+                    "$<$<AND:$<COMPILE_LANGUAGE:Swift>,$<VERSION_LESS:$<TARGET_PROPERTY:Swift_LANGUAGE_VERSION>,6>>:SHELL:-enable-upcoming-feature GlobalConcurrency>"
+                    "$<$<AND:$<COMPILE_LANGUAGE:Swift>,$<VERSION_LESS:$<TARGET_PROPERTY:Swift_LANGUAGE_VERSION>,6>>:SHELL:-enable-upcoming-feature ImplicitOpenExistentials>"
+                    "$<$<AND:$<COMPILE_LANGUAGE:Swift>,$<VERSION_LESS:$<TARGET_PROPERTY:Swift_LANGUAGE_VERSION>,6>>:SHELL:-enable-upcoming-feature ImplicitOpenExistentialsImportObjcForwardDeclarations>"
+                    "$<$<AND:$<COMPILE_LANGUAGE:Swift>,$<VERSION_LESS:$<TARGET_PROPERTY:Swift_LANGUAGE_VERSION>,6>>:SHELL:-enable-upcoming-feature InferSendableFromCaptures>"
+                    "$<$<AND:$<COMPILE_LANGUAGE:Swift>,$<VERSION_LESS:$<TARGET_PROPERTY:Swift_LANGUAGE_VERSION>,6>>:SHELL:-enable-upcoming-feature IsolatedDefaultValues>"
+                    # rdar://127809703
+                    # "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-enable-upcoming-feature RegionBasedIsolation>"
+                    "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-enable-upcoming-feature ExistentialAny>"
+                    "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-enable-upcoming-feature InternalImportsByDefault>")
+
+find_package(ArgumentParser)
+find_package(LLBuild)
+find_package(SwiftDriver)
+find_package(SwiftSystem)
+find_package(TSC)
+# NOTE: these two are required for LLBuild dependencies
+find_package(Threads)
+find_package(SQLite3)
+
+add_subdirectory(Sources)
diff --git a/Sources/CMakeLists.txt b/Sources/CMakeLists.txt
new file mode 100644
index 00000000..aa9605fe
--- /dev/null
+++ b/Sources/CMakeLists.txt
@@ -0,0 +1,29 @@
+#[[
+This source file is part of the Swift open source project
+
+Copyright (c) 2014 - 2025 Apple Inc. and the Swift project authors
+Licensed under Apache License v2.0 with Runtime Library Exception
+
+See http://swift.org/LICENSE.txt for license information
+See http://swift.org/CONTRIBUTORS.txt for Swift project authors
+]]
+
+add_subdirectory(SWBCSupport)
+add_subdirectory(SWBCLibc)
+add_subdirectory(SWBLibc)
+add_subdirectory(SWBUtil)
+add_subdirectory(SWBMacro)
+add_subdirectory(SWBProtocol)
+add_subdirectory(SWBServiceCore)
+add_subdirectory(SWBCAS)
+add_subdirectory(SWBLLBuild)
+add_subdirectory(SWBCore)
+add_subdirectory(SWBTaskConstruction)
+add_subdirectory(SWBTaskExecution)
+add_subdirectory(SWBBuildSystem)
+add_subdirectory(SWBBuildService)
+add_subdirectory(SWBProjectModel)
+add_subdirectory(SwiftBuild)
+
+add_subdirectory(swbuild)
+add_subdirectory(SWBBuildServiceBundle)
diff --git a/Sources/SWBBuildService/CMakeLists.txt b/Sources/SWBBuildService/CMakeLists.txt
new file mode 100644
index 00000000..abf9f658
--- /dev/null
+++ b/Sources/SWBBuildService/CMakeLists.txt
@@ -0,0 +1,32 @@
+#[[
+This source file is part of the Swift open source project
+
+Copyright (c) 2014 - 2025 Apple Inc. and the Swift project authors
+Licensed under Apache License v2.0 with Runtime Library Exception
+
+See http://swift.org/LICENSE.txt for license information
+See http://swift.org/CONTRIBUTORS.txt for Swift project authors
+]]
+
+add_library(SWBBuildService
+  BuildDependencyInfo.swift
+  BuildOperationMessages.swift
+  BuildService.swift
+  BuildServiceEntryPoint.swift
+  ClientExchangeDelegate.swift
+  DependencyGraphMessages.swift
+  DocumentationInfo.swift
+  LocalizationInfo.swift
+  Messages.swift
+  PlanningOperation.swift
+  PreviewInfo.swift
+  ProjectDescriptor.swift
+  Session.swift
+  Tools.swift)
+set_target_properties(SWBBuildService PROPERTIES
+  Swift_LANGUAGE_VERSION 5)
+target_link_libraries(SWBBuildService PUBLIC
+  SWBBuildSystem
+  SWBServiceCore
+  SWBTaskExecution
+  SwiftSystem::SystemPackage)
diff --git a/Sources/SWBBuildServiceBundle/CMakeLists.txt b/Sources/SWBBuildServiceBundle/CMakeLists.txt
new file mode 100644
index 00000000..dcae6b91
--- /dev/null
+++ b/Sources/SWBBuildServiceBundle/CMakeLists.txt
@@ -0,0 +1,22 @@
+#[[
+This source file is part of the Swift open source project
+
+Copyright (c) 2014 - 2025 Apple Inc. and the Swift project authors
+Licensed under Apache License v2.0 with Runtime Library Exception
+
+See http://swift.org/LICENSE.txt for license information
+See http://swift.org/CONTRIBUTORS.txt for Swift project authors
+]]
+
+add_executable(SWBBuildServiceBundle
+  main.swift)
+set_target_properties(SWBBuildServiceBundle PROPERTIES
+  Swift_LANGUAGE_VERSION 6)
+target_link_libraries(SWBBuildServiceBundle PRIVATE
+  SWBBuildService
+  SWBBuildSystem
+  SWBServiceCore
+  SWBUtil
+  SWBCore)
+
+install(TARGETS SWBBuildServiceBundle)
diff --git a/Sources/SWBBuildSystem/CMakeLists.txt b/Sources/SWBBuildSystem/CMakeLists.txt
new file mode 100644
index 00000000..7bef4f58
--- /dev/null
+++ b/Sources/SWBBuildSystem/CMakeLists.txt
@@ -0,0 +1,24 @@
+#[[
+This source file is part of the Swift open source project
+
+Copyright (c) 2014 - 2025 Apple Inc. and the Swift project authors
+Licensed under Apache License v2.0 with Runtime Library Exception
+
+See http://swift.org/LICENSE.txt for license information
+See http://swift.org/CONTRIBUTORS.txt for Swift project authors
+]]
+
+add_library(SWBBuildSystem
+  BuildManager.swift
+  BuildOperation.swift
+  BuildOperationExtension.swift
+  BuildSystemCache.swift
+  CleanOperation.swift
+  DependencyCycleFormatter.swift
+  SandboxViolations.swift)
+set_target_properties(SWBBuildSystem PROPERTIES
+  Swift_LANGUAGE_VERSION 5)
+target_link_libraries(SWBBuildSystem PUBLIC
+  SWBCore
+  SWBTaskConstruction
+  SWBTaskExecution)
diff --git a/Sources/SWBCAS/CMakeLists.txt b/Sources/SWBCAS/CMakeLists.txt
new file mode 100644
index 00000000..b35d440e
--- /dev/null
+++ b/Sources/SWBCAS/CMakeLists.txt
@@ -0,0 +1,21 @@
+#[[
+This source file is part of the Swift open source project
+
+Copyright (c) 2014 - 2025 Apple Inc. and the Swift project authors
+Licensed under Apache License v2.0 with Runtime Library Exception
+
+See http://swift.org/LICENSE.txt for license information
+See http://swift.org/CONTRIBUTORS.txt for Swift project authors
+]]
+
+add_library(SWBCAS
+  CASFSNode.swift
+  CASProtocol.swift
+  Errors.swift
+  plugin_api_t.swift
+  ToolchainCASPlugin.swift)
+set_target_properties(SWBCAS PROPERTIES
+  Swift_LANGUAGE_VERSION 6)
+target_link_libraries(SWBCAS PUBLIC
+  SWBUtil
+  SWBCSupport)
diff --git a/Sources/SWBCLibc/CMakeLists.txt b/Sources/SWBCLibc/CMakeLists.txt
new file mode 100644
index 00000000..a5d690b0
--- /dev/null
+++ b/Sources/SWBCLibc/CMakeLists.txt
@@ -0,0 +1,14 @@
+#[[
+This source file is part of the Swift open source project
+
+Copyright (c) 2014 - 2025 Apple Inc. and the Swift project authors
+Licensed under Apache License v2.0 with Runtime Library Exception
+
+See http://swift.org/LICENSE.txt for license information
+See http://swift.org/CONTRIBUTORS.txt for Swift project authors
+]]
+
+add_library(SWBCLibc
+  libc.c)
+target_include_directories(SWBCLibc INTERFACE
+  include)
diff --git a/Sources/SWBCSupport/CMakeLists.txt b/Sources/SWBCSupport/CMakeLists.txt
new file mode 100644
index 00000000..be685aeb
--- /dev/null
+++ b/Sources/SWBCSupport/CMakeLists.txt
@@ -0,0 +1,23 @@
+#[[
+This source file is part of the Swift open source project
+
+Copyright (c) 2014 - 2025 Apple Inc. and the Swift project authors
+Licensed under Apache License v2.0 with Runtime Library Exception
+
+See http://swift.org/LICENSE.txt for license information
+See http://swift.org/CONTRIBUTORS.txt for Swift project authors
+]]
+
+add_library(SWBCSupport STATIC
+  CLibclang.cpp
+  CLibRemarksHelper.c)
+target_compile_definitions(SWBCSupport PRIVATE
+  $<$<PLATFORM_ID:Windows>:_CRT_SECURE_NO_WARNINGS>
+  $<$<PLATFORM_ID:Windows>:_CRT_NONSTDC_NO_WARNINGS>)
+target_compile_options(SWBCSupport PRIVATE
+  -fblocks)
+target_include_directories(SWBCSupport PUBLIC
+  ${CMAKE_CURRENT_SOURCE_DIR})
+# TODO(compnerd) wire this up with `find_package`
+target_link_libraries(SWBCSupport PRIVATE
+  BlocksRuntime)
diff --git a/Sources/SWBCSupport/module.modulemap b/Sources/SWBCSupport/module.modulemap
new file mode 100644
index 00000000..7aef298c
--- /dev/null
+++ b/Sources/SWBCSupport/module.modulemap
@@ -0,0 +1,4 @@
+module SWBCSupport {
+  header "SWBCSupport.h"
+  export *
+}
diff --git a/Sources/SWBCore/CMakeLists.txt b/Sources/SWBCore/CMakeLists.txt
new file mode 100644
index 00000000..0f0f9c84
--- /dev/null
+++ b/Sources/SWBCore/CMakeLists.txt
@@ -0,0 +1,188 @@
+#[[
+This source file is part of the Swift open source project
+
+Copyright (c) 2014 - 2025 Apple Inc. and the Swift project authors
+Licensed under Apache License v2.0 with Runtime Library Exception
+
+See http://swift.org/LICENSE.txt for license information
+See http://swift.org/CONTRIBUTORS.txt for Swift project authors
+]]
+
+add_library(SWBCore
+  ActivityReporting.swift
+  Apple/DeviceFamily.swift
+  Apple/InterfaceBuilderShared.swift
+  BuildFileFilteringContext.swift
+  BuildFileResolution.swift
+  BuildParameters.swift
+  BuildRequest.swift
+  BuildRequestContext.swift
+  BuildRuleAction.swift
+  BuildRuleCondition.swift
+  BuildRuleSet.swift
+  CapturedBuildInfo.swift
+  ClangModuleVerifier/ModuleVerifierFilenameMap.swift
+  ClangModuleVerifier/ModuleVerifierFramework.swift
+  ClangModuleVerifier/ModuleVerifierHeader.swift
+  ClangModuleVerifier/ModuleVerifierLanguage.swift
+  ClangModuleVerifier/ModuleVerifierModuleMap.swift
+  ClangModuleVerifier/ModuleVerifierModuleMapFileVerifier.swift
+  ClangModuleVerifier/ModuleVerifierTarget.swift
+  ClangModuleVerifierOutputParser.swift
+  ClangSerializedDiagnostics.swift
+  CommandLineArgument.swift
+  ConfiguredTarget.swift
+  Core.swift
+  CustomTaskTypeDescription.swift
+  DependencyInfoEditPayload.swift
+  DependencyResolution.swift
+  DiagnosticSupport.swift
+  EnvironmentBindings.swift
+  ExecutableTask.swift
+  Extensions/DiagnosticToolingExtension.swift
+  Extensions/EnvironmentExtension.swift
+  Extensions/FeatureAvailabilityExtension.swift
+  Extensions/InputFileGroupingStrategyExtension.swift
+  Extensions/PlatformInfoExtension.swift
+  Extensions/SDKRegistryExtension.swift
+  Extensions/SDKVariantInfoExtension.swift
+  Extensions/SettingsBuilderExtension.swift
+  Extensions/SpecificationsExtension.swift
+  Extensions/ToolchainRegistryExtension.swift
+  FileSystemSignatureBasedCache.swift
+  FileToBuild.swift
+  KnownFolders.swift
+  LibclangVendored/ArrayExtensions.swift
+  LibclangVendored/CStringArray.swift
+  LibclangVendored/Libclang.swift
+  LibSwiftDriver/LibSwiftDriver.swift
+  LibSwiftDriver/PlannedBuild.swift
+  LinkageDependencyResolver.swift
+  MacCatalystInfo.swift
+  MacroConfigFileLoader.swift
+  MacroEvaluationExtensions.swift
+  MacroExpressionSourceExtensions.swift
+  MissingFrameworkDiagnostics.swift
+  OnDemandResources.swift
+  OptimizationRemarks.swift
+  PlannedNode.swift
+  PlannedTask.swift
+  PlannedTaskAction.swift
+  PlatformEnvironment.swift
+  PlatformFiltering.swift
+  PlatformRegistry.swift
+  Process.swift
+  ProcessExecutionCache.swift
+  ProductTypeIdentifier.swift
+  ProjectModel/BuildConfiguration.swift
+  ProjectModel/BuildFile.swift
+  ProjectModel/BuildPhase.swift
+  ProjectModel/BuildRule.swift
+  ProjectModel/DependencyInfoFormat.swift
+  ProjectModel/FilePathResolver.swift
+  ProjectModel/FileTextEncoding.swift
+  ProjectModel/ImpartedBuildProperties.swift
+  ProjectModel/PIFLoader.swift
+  ProjectModel/PlatformFilter.swift
+  ProjectModel/Project.swift
+  ProjectModel/ProjectModelItem.swift
+  ProjectModel/Reference.swift
+  ProjectModel/ReferenceLookupContext.swift
+  ProjectModel/Target.swift
+  ProjectModel/Workspace.swift
+  ProjectModel/WorkspaceHeaderIndex.swift
+  ProvisionalTask.swift
+  Provisioning.swift
+  ProvisioningTaskInputs.swift
+  SDKRegistry.swift
+  Settings/BuildRuleFile.swift
+  Settings/BuiltinMacros.swift
+  Settings/CASOptions.swift
+  Settings/RecursiveSearchPathResolver.swift
+  Settings/Settings.swift
+  Settings/StackedSearchPaths.swift
+  ShellScript.swift
+  SigningSupport.swift
+  Specs/CommandLineToolSpec.swift
+  Specs/CompilerSpec.swift
+  Specs/CoreBuildSystem.xcspec
+  Specs/ExternalBuildSystem.xcspec
+  Specs/FileTypes.swift
+  Specs/LinkerSpec.swift
+  Specs/NativeBuildSystem.xcspec
+  Specs/ProductTypes.swift
+  Specs/PropertyDomainSpec.swift
+  Specs/RegisterSpecs.swift
+  Specs/SpecParser.swift
+  Specs/SpecRegistry.swift
+  Specs/Specs.swift
+  Specs/Tools/AppIntentsMetadataCompiler.swift
+  Specs/Tools/AppIntentsSSUTrainingCompiler.swift
+  Specs/Tools/AppShortcutStringsMetadataCompiler.swift
+  Specs/Tools/CCompiler.swift
+  Specs/Tools/ClangModuleVerifierInputGenerator.swift
+  Specs/Tools/ClangStatCache.swift
+  Specs/Tools/CodeSign.swift
+  Specs/Tools/ConcatenateTool.swift
+  Specs/Tools/ConstructStubExecutorFileListTool.swift
+  Specs/Tools/CopyTool.swift
+  Specs/Tools/CreateAssetPackManifestTool.swift
+  Specs/Tools/CreateBuildDirectory.swift
+  Specs/Tools/DocumentationCompiler.swift
+  Specs/Tools/DsymutilTool.swift
+  Specs/Tools/Gate.swift
+  Specs/Tools/GCCCompatibleCompilerSupport.swift
+  Specs/Tools/GenerateAppPlaygroundAssetCatalog.swift
+  Specs/Tools/InfoPlistTool.swift
+  Specs/Tools/LaunchServicesRegisterTool.swift
+  Specs/Tools/LinkerTools.swift
+  Specs/Tools/Lipo.swift
+  Specs/Tools/MasterObjectLink.swift
+  Specs/Tools/MergeInfoPlist.swift
+  Specs/Tools/MkdirTool.swift
+  Specs/Tools/ModulesVerifierTool.swift
+  Specs/Tools/PLUtilTool.swift
+  Specs/Tools/ProcessXCFrameworkLibrary.swift
+  Specs/Tools/ProductPackaging.swift
+  Specs/Tools/RegisterExecutionPolicyException.swift
+  Specs/Tools/SetAttributes.swift
+  Specs/Tools/ShellScriptTool.swift
+  Specs/Tools/SignatureCollection.swift
+  Specs/Tools/StripTool.swift
+  Specs/Tools/SwiftABICheckerTool.swift
+  Specs/Tools/SwiftABIGenerationTool.swift
+  Specs/Tools/SwiftCompiler.swift
+  Specs/Tools/SwiftHeaderTool.swift
+  Specs/Tools/SwiftStdLibTool.swift
+  Specs/Tools/SwiftSymbolExtractor.swift
+  Specs/Tools/SymlinkTool.swift
+  Specs/Tools/TAPISymbolExtractor.swift
+  Specs/Tools/TAPITools.swift
+  Specs/Tools/TiffUtilTool.swift
+  Specs/Tools/TouchTool.swift
+  Specs/Tools/UnifdefTool.swift
+  Specs/Tools/ValidateDevelopmentAssets.swift
+  Specs/Tools/ValidateEmbeddedBinaryTool.swift
+  Specs/Tools/ValidateProductTool.swift
+  Specs/Tools/WriteFile.swift
+  SWBFeatureFlag.swift
+  TargetDependencyResolver.swift
+  TargetPlatformDiagnostics.swift
+  TaskGeneration.swift
+  TaskResult.swift
+  ToolchainRegistry.swift
+  ToolInfo/ClangToolInfo.swift
+  Tuning.swift
+  WorkspaceContext.swift
+  WorkspaceSettingsCache.swift
+  XCFramework.swift)
+set_target_properties(SWBCore PROPERTIES
+  Swift_LANGUAGE_VERSION 5)
+target_link_libraries(SWBCore PUBLIC
+  SWBMacro
+  SWBProtocol
+  SWBServiceCore
+  SWBUtil
+  SWBCAS
+  SWBLLBuild
+  SwiftDriver)
diff --git a/Sources/SWBLLBuild/CMakeLists.txt b/Sources/SWBLLBuild/CMakeLists.txt
new file mode 100644
index 00000000..3f36654b
--- /dev/null
+++ b/Sources/SWBLLBuild/CMakeLists.txt
@@ -0,0 +1,18 @@
+#[[
+This source file is part of the Swift open source project
+
+Copyright (c) 2014 - 2025 Apple Inc. and the Swift project authors
+Licensed under Apache License v2.0 with Runtime Library Exception
+
+See http://swift.org/LICENSE.txt for license information
+See http://swift.org/CONTRIBUTORS.txt for Swift project authors
+]]
+
+add_library(SWBLLBuild
+  LowLevelBuildSystem.swift)
+set_target_properties(SWBLLBuild PROPERTIES
+  Swift_LANGUAGE_VERSION 6)
+target_link_libraries(SWBLLBuild PUBLIC
+  SWBUtil
+  $<$<NOT:$<BOOL:${SwiftBuild_USE_LLBUILD_FRAMEWORK}>>:libllbuild>
+  $<$<NOT:$<BOOL:${SwiftBuild_USE_LLBUILD_FRAMEWORK}>>:llbuildSwift>)
diff --git a/Sources/SWBLibc/CMakeLists.txt b/Sources/SWBLibc/CMakeLists.txt
new file mode 100644
index 00000000..8e5daf61
--- /dev/null
+++ b/Sources/SWBLibc/CMakeLists.txt
@@ -0,0 +1,21 @@
+#[[
+This source file is part of the Swift open source project
+
+Copyright (c) 2014 - 2025 Apple Inc. and the Swift project authors
+Licensed under Apache License v2.0 with Runtime Library Exception
+
+See http://swift.org/LICENSE.txt for license information
+See http://swift.org/CONTRIBUTORS.txt for Swift project authors
+]]
+
+add_library(SWBLibc
+  libc.swift)
+set_target_properties(SWBLibc PROPERTIES
+  Swift_LANGUAGE_VERSION 6)
+target_link_libraries(SWBLibc PUBLIC
+  SWBCLibc)
+
+# FIXME: why is this needed? We should be wiring up the Swift_MODULE_DIRECTORY
+# without this explicit configuration.
+target_include_directories(SWBLibc PUBLIC
+  ${CMAKE_CURRENT_BINARY_DIR})
diff --git a/Sources/SWBMacro/CMakeLists.txt b/Sources/SWBMacro/CMakeLists.txt
new file mode 100644
index 00000000..4abeddf1
--- /dev/null
+++ b/Sources/SWBMacro/CMakeLists.txt
@@ -0,0 +1,35 @@
+#[[
+This source file is part of the Swift open source project
+
+Copyright (c) 2014 - 2025 Apple Inc. and the Swift project authors
+Licensed under Apache License v2.0 with Runtime Library Exception
+
+See http://swift.org/LICENSE.txt for license information
+See http://swift.org/CONTRIBUTORS.txt for Swift project authors
+]]
+
+add_library(SWBMacro
+  MacroCondition.swift
+  MacroConditionExpression.swift
+  MacroConditionParameter.swift
+  MacroConditionSet.swift
+  MacroConfigFileDiagnostic.swift
+  MacroConfigFileParser.swift
+  MacroDeclaration.swift
+  MacroEvaluationProgram.swift
+  MacroEvaluationScope.swift
+  MacroExpression.swift
+  MacroExpressionDiagnostic.swift
+  MacroExpressionParsing.swift
+  MacroNamespace.swift
+  MacroType.swift
+  MacroValueAssignmentTable.swift)
+set_target_properties(SWBMacro PROPERTIES
+  Swift_LANGUAGE_VERSION 6)
+target_link_libraries(SWBMacro PUBLIC
+  SWBUtil
+  SwiftDriver
+  TSCBasic)
+
+target_include_directories(SWBMacro PUBLIC
+  ${CMAKE_CURRENT_BINARY_DIR})
diff --git a/Sources/SWBProjectModel/CMakeLists.txt b/Sources/SWBProjectModel/CMakeLists.txt
new file mode 100644
index 00000000..3a98c919
--- /dev/null
+++ b/Sources/SWBProjectModel/CMakeLists.txt
@@ -0,0 +1,22 @@
+#[[
+This source file is part of the Swift open source project
+
+Copyright (c) 2014 - 2025 Apple Inc. and the Swift project authors
+Licensed under Apache License v2.0 with Runtime Library Exception
+
+See http://swift.org/LICENSE.txt for license information
+See http://swift.org/CONTRIBUTORS.txt for Swift project authors
+]]
+
+add_library(SWBProjectModel
+  IDE/IDEPIFGenerating.swift
+  IDE/IDEPIFGUID.swift
+  IDE/IDEPIFObject.swift
+  IDE/IDEPIFObjectInfo.swift
+  IDE/IDEPIFSerializer.swift
+  IDE/IDESwiftPackageExtensions.swift
+  PIFGenerationModel.swift)
+set_target_properties(SWBProjectModel PROPERTIES
+  Swift_LANGUAGE_VERSION 6)
+target_link_libraries(SWBProjectModel PUBLIC
+  SWBProtocol)
diff --git a/Sources/SWBProtocol/CMakeLists.txt b/Sources/SWBProtocol/CMakeLists.txt
new file mode 100644
index 00000000..d00c636b
--- /dev/null
+++ b/Sources/SWBProtocol/CMakeLists.txt
@@ -0,0 +1,50 @@
+#[[
+This source file is part of the Swift open source project
+
+Copyright (c) 2014 - 2025 Apple Inc. and the Swift project authors
+Licensed under Apache License v2.0 with Runtime Library Exception
+
+See http://swift.org/LICENSE.txt for license information
+See http://swift.org/CONTRIBUTORS.txt for Swift project authors
+]]
+
+add_library(SWBProtocol
+  AsyncSequence.swift
+  BuildAction.swift
+  BuildOperationMessages.swift
+  BuildSettingsInfoMessageTypes.swift
+  ClientExchangeMessages.swift
+  DependencyClosureMessages.swift
+  DependencyGraphMessages.swift
+  DocumentationMessages.swift
+  IndexingMessages.swift
+  LocalizationMessages.swift
+  MacroEvaluationMessages.swift
+  Message.swift
+  MessageSupport.swift
+  PIFKeyConstants.swift
+  PlanningOperationMessages.swift
+  PreviewMessages.swift
+  ProjectDescriptorMessages.swift
+  ProjectDescriptorTypes.swift
+  ProjectModel/BuildConfiguration.swift
+  ProjectModel/BuildFile.swift
+  ProjectModel/BuildPhase.swift
+  ProjectModel/BuildRule.swift
+  ProjectModel/CustomTask.swift
+  ProjectModel/DependencyInfo.swift
+  ProjectModel/ImpartedBuildProperties.swift
+  ProjectModel/MacroExpressionSource.swift
+  ProjectModel/PIFObject.swift
+  ProjectModel/PlatformFilter.swift
+  ProjectModel/Project.swift
+  ProjectModel/ProvisioningSourceData.swift
+  ProjectModel/Reference.swift
+  ProjectModel/SourceTree.swift
+  ProjectModel/Target.swift
+  ProjectModel/TargetDependency.swift
+  ProjectModel/Workspace.swift)
+set_target_properties(SWBProtocol PROPERTIES
+  Swift_LANGUAGE_VERSION 6)
+target_link_libraries(SWBProtocol PUBLIC
+  SWBUtil)
diff --git a/Sources/SWBServiceCore/CMakeLists.txt b/Sources/SWBServiceCore/CMakeLists.txt
new file mode 100644
index 00000000..673eec1e
--- /dev/null
+++ b/Sources/SWBServiceCore/CMakeLists.txt
@@ -0,0 +1,20 @@
+#[[
+This source file is part of the Swift open source project
+
+Copyright (c) 2014 - 2025 Apple Inc. and the Swift project authors
+Licensed under Apache License v2.0 with Runtime Library Exception
+
+See http://swift.org/LICENSE.txt for license information
+See http://swift.org/CONTRIBUTORS.txt for Swift project authors
+]]
+
+add_library(SWBServiceCore
+  Request.swift
+  Service.swift
+  ServiceEntryPoint.swift
+  ServiceExtensionPoint.swift
+  ServiceHostConnection.swift)
+set_target_properties(SWBServiceCore PROPERTIES
+  Swift_LANGUAGE_VERSION 6)
+target_link_libraries(SWBServiceCore PUBLIC
+  SWBProtocol)
diff --git a/Sources/SWBTaskConstruction/CMakeLists.txt b/Sources/SWBTaskConstruction/CMakeLists.txt
new file mode 100644
index 00000000..f4227f1f
--- /dev/null
+++ b/Sources/SWBTaskConstruction/CMakeLists.txt
@@ -0,0 +1,66 @@
+#[[
+This source file is part of the Swift open source project
+
+Copyright (c) 2014 - 2025 Apple Inc. and the Swift project authors
+Licensed under Apache License v2.0 with Runtime Library Exception
+
+See http://swift.org/LICENSE.txt for license information
+See http://swift.org/CONTRIBUTORS.txt for Swift project authors
+]]
+
+add_library(SWBTaskConstruction
+  BuildDirectoryContext.swift
+  DiagnosticSupport.swift
+  ProductPlanning/BuildPlan.swift
+  ProductPlanning/BuildPlanDumping.swift
+  ProductPlanning/ProductPlan.swift
+  ProductPlanning/ProductPlanner.swift
+  StaleFileRemovalContext.swift
+  TaskPlanningDelegate.swift
+  TaskProducers/BuildPhaseTaskProducers/AppleScriptTaskProducer.swift
+  TaskProducers/BuildPhaseTaskProducers/BuildRuleTaskProducer.swift
+  TaskProducers/BuildPhaseTaskProducers/CopyFilesTaskProducer.swift
+  TaskProducers/BuildPhaseTaskProducers/FilesBasedBuildPhaseTaskProducer.swift
+  TaskProducers/BuildPhaseTaskProducers/HeadersTaskProducer.swift
+  TaskProducers/BuildPhaseTaskProducers/ResourcesTaskProducer.swift
+  TaskProducers/BuildPhaseTaskProducers/RezTaskProducer.swift
+  TaskProducers/BuildPhaseTaskProducers/ShellBasedTaskProducer.swift
+  TaskProducers/BuildPhaseTaskProducers/ShellScriptTaskProducer.swift
+  TaskProducers/BuildPhaseTaskProducers/SourcesTaskProducer.swift
+  TaskProducers/BuildPhaseTaskProducers/SwiftPackageCopyFilesTaskProducer.swift
+  TaskProducers/OtherTaskProducers/AppIntentsMetadataTaskProducer.swift
+  TaskProducers/OtherTaskProducers/CopySwiftPackageResourcesTaskProducer.swift
+  TaskProducers/OtherTaskProducers/CustomTaskProducer.swift
+  TaskProducers/OtherTaskProducers/DevelopmentAssetsTaskProducer.swift
+  TaskProducers/OtherTaskProducers/DocumentationTaskProducer.swift
+  TaskProducers/OtherTaskProducers/ExternalTargetTaskProducer.swift
+  TaskProducers/OtherTaskProducers/GenerateAppPlaygroundAssetCatalogTaskProducer.swift
+  TaskProducers/OtherTaskProducers/GeneratedFilesTaskProducer.swift
+  TaskProducers/OtherTaskProducers/HeadermapTaskProducer.swift
+  TaskProducers/OtherTaskProducers/InfoPlistTaskProducer.swift
+  TaskProducers/OtherTaskProducers/ModuleMapTaskProducer.swift
+  TaskProducers/OtherTaskProducers/ModuleVerifierTaskProducer.swift
+  TaskProducers/OtherTaskProducers/ProductPostprocessingTaskProducer.swift
+  TaskProducers/OtherTaskProducers/ProductStructureTaskProducer.swift
+  TaskProducers/OtherTaskProducers/SanitizerTaskProducer.swift
+  TaskProducers/OtherTaskProducers/SDKStatCacheTaskProducer.swift
+  TaskProducers/OtherTaskProducers/SwiftFrameworkABICheckerTaskProducer.swift
+  TaskProducers/OtherTaskProducers/SwiftStandardLibrariesTaskProducer.swift
+  TaskProducers/OtherTaskProducers/TAPISymbolExtractorTaskProducer.swift
+  TaskProducers/OtherTaskProducers/TargetOrderTaskProducer.swift
+  TaskProducers/OtherTaskProducers/XCTestProductTypeTaskProducer.swift
+  TaskProducers/StandardTaskProducer.swift
+  TaskProducers/TaskProducer.swift
+  TaskProducers/TaskProducerExtensionPoint.swift
+  TaskProducers/WorkspaceTaskProducers/CreateBuildDirectoryTaskProducer.swift
+  TaskProducers/WorkspaceTaskProducers/HeadermapVFSTaskProducer.swift
+  TaskProducers/WorkspaceTaskProducers/IndexBuildVFSDirectoryRemapTaskProducer.swift
+  TaskProducers/WorkspaceTaskProducers/PCHModuleMapTaskProducer.swift
+  TaskProducers/WorkspaceTaskProducers/XCFrameworkTaskProducer.swift
+  TaskProducerSandboxing.swift
+  XCFrameworkContext.swift)
+set_target_properties(SWBTaskConstruction PROPERTIES
+  Swift_LANGUAGE_VERSION 5)
+target_link_libraries(SWBTaskConstruction PUBLIC
+  SWBCore
+  SWBUtil)
diff --git a/Sources/SWBTaskExecution/CMakeLists.txt b/Sources/SWBTaskExecution/CMakeLists.txt
new file mode 100644
index 00000000..5873ceb7
--- /dev/null
+++ b/Sources/SWBTaskExecution/CMakeLists.txt
@@ -0,0 +1,81 @@
+#[[
+This source file is part of the Swift open source project
+
+Copyright (c) 2014 - 2025 Apple Inc. and the Swift project authors
+Licensed under Apache License v2.0 with Runtime Library Exception
+
+See http://swift.org/LICENSE.txt for license information
+See http://swift.org/CONTRIBUTORS.txt for Swift project authors
+]]
+
+add_library(SWBTaskExecution
+  BuildDescription.swift
+  BuildDescriptionManager.swift
+  BuildDescriptionSignature.swift
+  DynamicTaskSpecs/ClangCachingKeyQueryDynamicTaskSpec.swift
+  DynamicTaskSpecs/ClangCachingMaterializeKeyDynamicTaskSpec.swift
+  DynamicTaskSpecs/ClangCachingOutputMaterializerDynamicTaskSpec.swift
+  DynamicTaskSpecs/ClangCachingTaskCacheKey.swift
+  DynamicTaskSpecs/ClangModuleDependencyGraph.swift
+  DynamicTaskSpecs/CompilationCachingDataPruner.swift
+  DynamicTaskSpecs/CompilationCachingUploader.swift
+  DynamicTaskSpecs/DynamicTaskOperationContext.swift
+  DynamicTaskSpecs/DynamicTaskSpecRegistry.swift
+  DynamicTaskSpecs/PrecompileClangModuleDynamicTaskSpec.swift
+  DynamicTaskSpecs/SwiftCachingDynamicTaskSpec.swift
+  DynamicTaskSpecs/SwiftCachingTaskKeys.swift
+  DynamicTaskSpecs/SwiftDriverJobDynamicTaskSpec.swift
+  DynamicTaskSpecs/SwiftDriverPlanningDynamicTaskSpec.swift
+  ProjectPlanner.swift
+  Task.swift
+  TaskActions/AuxiliaryFileTaskAction.swift
+  TaskActions/ClangCachingKeyQueryTaskAction.swift
+  TaskActions/ClangCachingMaterializeKeyTaskAction.swift
+  TaskActions/ClangCachingOutputMaterializerTaskAction.swift
+  TaskActions/ClangCompileTaskAction.swift
+  TaskActions/ClangModuleVerifierInputGeneratorTaskAction.swift
+  TaskActions/ClangScanTaskAction.swift
+  TaskActions/CodeSignTaskAction.swift
+  TaskActions/ConcatenateTaskAction.swift
+  TaskActions/ConstructStubExecutorInputFileListTaskAction.swift
+  TaskActions/CopyPlistTaskAction.swift
+  TaskActions/CopyStringsFileTaskAction.swift
+  TaskActions/CopyTiffTaskAction.swift
+  TaskActions/CreateBuildDirectoryTaskAction.swift
+  TaskActions/DeferredExecutionTaskAction.swift
+  TaskActions/EmbedSwiftStdLibTaskAction.swift
+  TaskActions/FileCopyTaskAction.swift
+  TaskActions/GenericCachingTaskAction.swift
+  TaskActions/InfoPlistProcessorTaskAction.swift
+  TaskActions/LinkAssetCatalogTaskAction.swift
+  TaskActions/LSRegisterURLTaskAction.swift
+  TaskActions/MergeInfoPlistTaskAction.swift
+  TaskActions/ODRAssetPackManifestTaskAction.swift
+  TaskActions/PrecompileClangModuleTaskAction.swift
+  TaskActions/ProcessProductEntitlementsTaskAction.swift
+  TaskActions/ProcessProductProvisioningProfileTaskAction.swift
+  TaskActions/ProcessXCFrameworkTaskAction.swift
+  TaskActions/RegisterExecutionPolicyExceptionTaskAction.swift
+  TaskActions/SignatureCollectionTaskAction.swift
+  TaskActions/SwiftCachingKeyQueryTaskAction.swift
+  TaskActions/SwiftCachingMaterializeKeyTaskAction.swift
+  TaskActions/SwiftCachingOutputMaterializerTaskAction.swift
+  TaskActions/SwiftCompilationTaskAction.swift
+  TaskActions/SwiftDriverCompilationRequirementTaskAction.swift
+  TaskActions/SwiftDriverJobSchedulingTaskAction.swift
+  TaskActions/SwiftDriverJobTaskAction.swift
+  TaskActions/SwiftDriverTaskAction.swift
+  TaskActions/SwiftHeaderToolTaskAction.swift
+  TaskActions/TaskAction.swift
+  TaskActions/ValidateDevelopmentAssetsTaskAction.swift
+  TaskActions/ValidateProductTaskAction.swift
+  TaskResult.swift
+  TaskStore.swift)
+set_target_properties(SWBTaskExecution PROPERTIES
+  Swift_LANGUAGE_VERSION 5)
+target_link_libraries(SWBTaskExecution PUBLIC
+  SWBCAS
+  SWBCore
+  SWBLLBuild
+  SWBTaskConstruction
+  SWBUtil)
diff --git a/Sources/SWBUtil/CMakeLists.txt b/Sources/SWBUtil/CMakeLists.txt
new file mode 100644
index 00000000..e25ff5b3
--- /dev/null
+++ b/Sources/SWBUtil/CMakeLists.txt
@@ -0,0 +1,111 @@
+#[[
+This source file is part of the Swift open source project
+
+Copyright (c) 2014 - 2025 Apple Inc. and the Swift project authors
+Licensed under Apache License v2.0 with Runtime Library Exception
+
+See http://swift.org/LICENSE.txt for license information
+See http://swift.org/CONTRIBUTORS.txt for Swift project authors
+]]
+
+add_library(SWBUtil
+  Architecture.swift
+  ArgumentSplitting.swift
+  Array.swift
+  AsyncCache.swift
+  AsyncFlatteningSequence.swift
+  AsyncIteratorProtocol.swift
+  AsyncLock.swift
+  AsyncOperationQueue.swift
+  AsyncSingleValueCache.swift
+  AsyncStreamController.swift
+  ByteString.swift
+  Cache.swift
+  Collection.swift
+  CountedSet.swift
+  CSV.swift
+  Debugger.swift
+  DependencyInfo.swift
+  DiagnosticsEngine.swift
+  Dictionary.swift
+  Diff.swift
+  Dispatch+Async.swift
+  Duration.swift
+  ElapsedTimer.swift
+  EmptyState.swift
+  Environment.swift
+  Error.swift
+  FileHandle+Async.swift
+  FilesSignature.swift
+  fnmatch.swift
+  FSProxy.swift
+  GraphAlgorithms.swift
+  HashContext.swift
+  Headermap.swift
+  HeavyCache.swift
+  Int.swift
+  InterningArena.swift
+  IO.swift
+  JSONEncoder.swift
+  KeyValueStorage.swift
+  LazyCache.swift
+  Library.swift
+  LineReader.swift
+  Lock.swift
+  MachO.swift
+  Math.swift
+  Misc+Async.swift
+  Misc.swift
+  MsgPack.swift
+  MsgPackSerialization.swift
+  NamedTemporaryDirectory.swift
+  Optional.swift
+  OrderedDictionary.swift
+  OrderedSet.swift
+  OSLog.swift
+  OutputByteStream.swift
+  Pair.swift
+  Path.swift
+  PbxCp.swift
+  PluginManager.swift
+  PluginManagerCommon.swift
+  POSIX.swift
+  Process+Async.swift
+  Process.swift
+  ProcessInfo.swift
+  Promise.swift
+  PropertyList.swift
+  Queue.swift
+  RateLimiter.swift
+  Ref.swift
+  RegEx.swift
+  Registry.swift
+  ResponseFiles.swift
+  Result.swift
+  ScopedKeepAliveCache.swift
+  Serialization.swift
+  Signatures.swift
+  Static.swift
+  Statistics.swift
+  String.swift
+  SWBDispatch.swift
+  TAPIFileList.swift
+  TBDFile.swift
+  UniqueSerialization.swift
+  UnsafeSendableDelayedInitializationWrapper.swift
+  URL.swift
+  UserDefaults.swift
+  Version.swift
+  VFS.swift
+  WaitCondition.swift
+  WeakRef.swift
+  XCBuildDataArchive.swift
+  Xcode.swift)
+set_target_properties(SWBUtil PROPERTIES
+  Swift_LANGUAGE_VERSION 5)
+target_link_libraries(SWBUtil PUBLIC
+  SWBCSupport
+  SWBLibc
+  ArgumentParser
+  $<$<NOT:$<PLATFORM_ID:Windows>>:Crypto::Crypto>
+  SwiftSystem::SystemPackage)
diff --git a/Sources/SwiftBuild/CMakeLists.txt b/Sources/SwiftBuild/CMakeLists.txt
new file mode 100644
index 00000000..2ccf3232
--- /dev/null
+++ b/Sources/SwiftBuild/CMakeLists.txt
@@ -0,0 +1,69 @@
+#[[
+This source file is part of the Swift open source project
+
+Copyright (c) 2014 - 2025 Apple Inc. and the Swift project authors
+Licensed under Apache License v2.0 with Runtime Library Exception
+
+See http://swift.org/LICENSE.txt for license information
+See http://swift.org/CONTRIBUTORS.txt for Swift project authors
+]]
+
+add_library(SwiftBuild
+  CompatibilityShims.swift
+  ConsoleCommands/SWBServiceConsoleBuildCommand.swift
+  ConsoleCommands/SWBServiceConsoleBuildCommandProtocol.swift
+  ConsoleCommands/SWBServiceConsoleCreateXCFrameworkCommand.swift
+  ConsoleCommands/SWBServiceConsoleGeneralCommands.swift
+  ConsoleCommands/SWBServiceConsoleSessionCommands.swift
+  ConsoleCommands/SWBServiceConsoleXcodeCommands.swift
+  ProjectModel/BuildConfig.swift
+  ProjectModel/BuildFile.swift
+  ProjectModel/BuildPhases.swift
+  ProjectModel/BuildRule.swift
+  ProjectModel/BuildSettings.swift
+  ProjectModel/CustomTask.swift
+  ProjectModel/ImpartedBuildProperties.swift
+  ProjectModel/PlatformFilter.swift
+  ProjectModel/Project.swift
+  ProjectModel/ProjectModel.swift
+  ProjectModel/References.swift
+  ProjectModel/SandboxingOverride.swift
+  ProjectModel/TargetDependency.swift
+  ProjectModel/Targets.swift
+  SWBBuildAction.swift
+  SWBBuildOperation.swift
+  SWBBuildOperationBacktraceFrame.swift
+  SWBBuildParameters.swift
+  SWBBuildRequest.swift
+  SWBBuildService.swift
+  SWBBuildServiceConnection.swift
+  SWBBuildServiceConsole.swift
+  SWBBuildServiceSession.swift
+  SWBChannel.swift
+  SWBClientExchangeSupport.swift
+  SWBDocumentationSupport.swift
+  SWBIndexingSupport.swift
+  SWBLocalizationSupport.swift
+  SWBMacroEvaluation.swift
+  SWBMacroEvaluationScope.swift
+  SWBPreviewSupport.swift
+  SWBProductPlannerSupport.swift
+  SWBPropertyList.swift
+  SWBProvisioningTaskInputs.swift
+  SWBSystemInfo.swift
+  SWBTargetGUID.swift
+  SWBTerminal.swift
+  SWBuildMessage+Protocol.swift
+  SWBUserInfo.swift
+  SWBWorkspaceInfo.swift
+  SwiftBuild.swift
+  SwiftBuildVersion.swift
+  TerminalAttributes.swift)
+set_target_properties(SwiftBuild PROPERTIES
+  Swift_LANGUAGE_VERSION 5)
+target_link_libraries(SwiftBuild PUBLIC
+  SWBCSupport
+  SWBCore
+  SWBProtocol
+  SWBUtil
+  SWBProjectModel)
diff --git a/Sources/swbuild/CMakeLists.txt b/Sources/swbuild/CMakeLists.txt
new file mode 100644
index 00000000..04fb8b7c
--- /dev/null
+++ b/Sources/swbuild/CMakeLists.txt
@@ -0,0 +1,20 @@
+#[[
+This source file is part of the Swift open source project
+
+Copyright (c) 2014 - 2025 Apple Inc. and the Swift project authors
+Licensed under Apache License v2.0 with Runtime Library Exception
+
+See http://swift.org/LICENSE.txt for license information
+See http://swift.org/CONTRIBUTORS.txt for Swift project authors
+]]
+
+add_executable(swbuild
+  SWBuildMain.swift)
+set_target_properties(swbuild PROPERTIES
+  Swift_LANGUAGE_VERSION 6)
+target_compile_options(swbuild PRIVATE
+  -parse-as-library)
+target_link_libraries(swbuild PRIVATE
+  SwiftBuild)
+
+install(TARGETS swbuild)