Build SwiftBuild as part of CMake bootstrapping

Author: owenv

CMakeLists.txt

@@ -45,6 +45,7 @@ if(FIND_PM_DEPS)
   find_package(SwiftASN1 CONFIG REQUIRED)
   find_package(SwiftCertificates CONFIG REQUIRED)
   find_package(SwiftCrypto CONFIG REQUIRED)
+  find_package(SwiftBuild CONFIG REQUIRED)
 endif()
 
 find_package(dispatch QUIET)

Sources/SwiftBuildSupport/CMakeLists.txt

@@ -23,6 +23,8 @@ target_link_libraries(SwiftBuildSupport PUBLIC
   TSCBasic
   TSCUtility
   PackageGraph
+  SwiftBuild::SwiftBuild
+  SwiftBuild::SWBBuildService
 )
 
 set_target_properties(SwiftBuildSupport PROPERTIES

Sources/SwiftBuildSupport/PackagePIFBuilder+Helpers.swift

@@ -55,7 +55,6 @@ import struct PackageGraph.ResolvedProduct
 
 import func PackageLoading.pkgConfigArgs
 
-#if canImport(SwiftBuild)
 import enum SwiftBuild.PIF
 
 // MARK: - PIF GUID Helpers
@@ -1108,4 +1107,3 @@ extension UserDefaults {
     }
 }
 
-#endif

Sources/SwiftBuildSupport/PackagePIFBuilder+Plugins.swift

@@ -17,7 +17,6 @@ import let Basics.localFileSystem
 import enum Basics.Sandbox
 import struct Basics.SourceControlURL
 
-#if canImport(SwiftBuild)
 import enum SwiftBuild.PIF
 
 extension PIFPackageBuilder {
@@ -134,4 +133,3 @@ extension PIFPackageBuilder {
     }
 }
 
-#endif

Sources/SwiftBuildSupport/PackagePIFBuilder.swift

@@ -30,7 +30,6 @@ import struct PackageGraph.ModulesGraph
 import struct PackageGraph.ResolvedModule
 import struct PackageGraph.ResolvedPackage
 
-#if canImport(SwiftBuild)
 import enum SwiftBuild.PIF
 
 /// A builder for generating the PIF object from a package.
@@ -670,4 +669,3 @@ public struct SourceLocation: Sendable {
     }
 }
 
-#endif

Sources/SwiftBuildSupport/PackagePIFProjectBuilder+Modules.swift

@@ -25,7 +25,6 @@ import class PackageModel.SystemLibraryModule
 import struct PackageGraph.ResolvedModule
 import struct PackageGraph.ResolvedPackage
 
-#if canImport(SwiftBuild)
 import enum SwiftBuild.PIF
 
 /// Extension to create PIF **modules** for a given package.
@@ -815,4 +814,3 @@ extension PackagePIFProjectBuilder {
         self.builtModulesAndProducts.append(systemModule)
     }
 }
-#endif

Sources/SwiftBuildSupport/PackagePIFProjectBuilder+Products.swift

@@ -27,7 +27,6 @@ import struct PackageGraph.ResolvedModule
 import struct PackageGraph.ResolvedPackage
 import struct PackageGraph.ResolvedProduct
 
-#if canImport(SwiftBuild)
 import enum SwiftBuild.PIF
 
 /// Extension to create PIF **products** for a given package.
@@ -898,4 +897,3 @@ private struct PackageRegistrySignature: Encodable {
     let formatVersion = 2
 }
 
-#endif

Sources/SwiftBuildSupport/PackagePIFProjectBuilder.swift

@@ -30,7 +30,6 @@ import struct PackageGraph.ResolvedPackage
 import struct PackageLoading.FileRuleDescription
 import struct PackageLoading.TargetSourcesBuilder
 
-#if canImport(SwiftBuild)
 import enum SwiftBuild.PIF
 import struct SwiftBuild.SwiftBuildFileType
 
@@ -479,4 +478,3 @@ struct PackagePIFProjectBuilder {
     }
 }
 
-#endif

Sources/SwiftBuildSupport/SwiftBuildSystem.swift

@@ -30,13 +30,10 @@ import func TSCBasic.withTemporaryFile
 
 import enum TSCUtility.Diagnostics
 
-#if canImport(SwiftBuild)
 import Foundation
 import SWBBuildService
 import SwiftBuild
-#endif
 
-#if canImport(SwiftBuild)
 
 struct SessionFailedError: Error {
     var error: Error
@@ -155,7 +152,6 @@ private final class PlanningOperationDelegate: SWBPlanningOperationDelegate, Sen
         .deferred
     }
 }
-#endif
 
 public final class SwiftBuildSystem: SPMBuildCore.BuildSystem {
     private let buildParameters: BuildParameters
@@ -232,7 +228,6 @@ public final class SwiftBuildSystem: SPMBuildCore.BuildSystem {
     }
 
     public func build(subset: BuildSubset) async throws {
-        #if canImport(SwiftBuild)
         guard !buildParameters.shouldSkipBuilding else {
             return
         }
@@ -244,12 +239,9 @@ public final class SwiftBuildSystem: SPMBuildCore.BuildSystem {
 
         try await startSWBuildOperation(pifTargetName: subset.pifTargetName)
 
-        #else
-        fatalError("Swift Build support is not linked in.")
-        #endif
+       
     }
 
-    #if canImport(SwiftBuild)
     private func startSWBuildOperation(pifTargetName: String) async throws {
         let buildStartTime = ContinuousClock.Instant.now
 
@@ -495,7 +487,6 @@ public final class SwiftBuildSystem: SPMBuildCore.BuildSystem {
             return pifBuilder
         }
     }
-    #endif
 
     public func cancel(deadline: DispatchTime) throws {}
 

Utilities/bootstrap

@@ -243,6 +243,7 @@ def parse_global_args(args):
     args.source_dirs["swift-certificates"]    = os.path.join(args.project_root, "..", "swift-certificates")
     args.source_dirs["swift-asn1"]            = os.path.join(args.project_root, "..", "swift-asn1")
     args.source_dirs["swift-syntax"]          = os.path.join(args.project_root, "..", "swift-syntax")
+    args.source_dirs["swift-build"]           = os.path.join(args.project_root, "..", "swift-build")
     args.source_root                          = os.path.join(args.project_root, "Sources")
 
     if platform.system() == 'Darwin':
@@ -442,6 +443,16 @@ def build(args):
         build_dependency(args, "swift-certificates",
             ["-DSwiftASN1_DIR=" + os.path.join(args.build_dirs["swift-asn1"], "cmake/modules"),
              "-DSwiftCrypto_DIR=" + os.path.join(args.build_dirs["swift-crypto"], "cmake/modules")])
+        swift_build_cmake_flags = [
+            get_llbuild_cmake_arg(args),
+            "-DSwiftSystem_DIR="    + os.path.join(args.build_dirs["swift-system"], "cmake/modules"),
+            "-DSwiftASN1_DIR=" + os.path.join(args.build_dirs["swift-asn1"], "cmake/modules"),
+            "-DSwiftCrypto_DIR=" + os.path.join(args.build_dirs["swift-crypto"], "cmake/modules"),
+            "-DTSC_DIR=" + os.path.join(args.build_dirs["tsc"], "cmake/modules"),
+            "-DArgumentParser_DIR=" + os.path.join(args.build_dirs["swift-argument-parser"], "cmake/modules"),
+            "-DSwiftDriver_DIR=" + os.path.join(args.build_dirs["swift-driver"], "cmake/modules"),
+        ]
+        build_dependency(args, "swift-build", swift_build_cmake_flags)
         build_swiftpm_with_cmake(args)
 
     build_swiftpm_with_swiftpm(args,integrated_swift_driver=False)
@@ -717,6 +728,7 @@ def build_swiftpm_with_cmake(args):
         "-DSwiftCrypto_DIR="       + os.path.join(args.build_dirs["swift-crypto"],          "cmake/modules"),
         "-DSwiftASN1_DIR="         + os.path.join(args.build_dirs["swift-asn1"],            "cmake/modules"),
         "-DSwiftCertificates_DIR=" + os.path.join(args.build_dirs["swift-certificates"],    "cmake/modules"),
+        "-DSwiftBuild_DIR="        + os.path.join(args.build_dirs["swift-build"],           "cmake/modules"),
         "-DSWIFTPM_PATH_TO_SWIFT_SYNTAX_SOURCE=" + args.source_dirs["swift-syntax"],
     ]
 
@@ -737,6 +749,7 @@ def build_swiftpm_with_cmake(args):
         add_rpath_for_cmake_build(args, os.path.join(args.build_dirs["swift-collections"],     "lib"))
         add_rpath_for_cmake_build(args, os.path.join(args.build_dirs["swift-asn1"],            "lib"))
         add_rpath_for_cmake_build(args, os.path.join(args.build_dirs["swift-certificates"],    "lib"))
+        add_rpath_for_cmake_build(args, os.path.join(args.build_dirs["swift-build"],          "lib"))
 
         # rpaths for compatibility libraries
         for lib_path in get_swift_backdeploy_library_paths(args):
@@ -874,6 +887,7 @@ def get_swiftpm_env_cmd(args):
             os.path.join(args.build_dirs["swift-collections"],     "lib"),
             os.path.join(args.build_dirs["swift-asn1"],            "lib"),
             os.path.join(args.build_dirs["swift-certificates"],    "lib"),
+            os.path.join(args.build_dirs["swift-build"],           "lib"),
         ]
 
         if platform.system() == 'Darwin':