diff --git a/.swift-version b/.swift-version
index 4ac4fded49f..0df17dd0f6a 100644
--- a/.swift-version
+++ b/.swift-version
@@ -1 +1 @@
-6.2.0
\ No newline at end of file
+6.2.1
\ No newline at end of file
diff --git a/Sources/PackageModel/SwiftSDKs/SwiftSDK.swift b/Sources/PackageModel/SwiftSDKs/SwiftSDK.swift
index 5e5b95908cf..7c001e453ad 100644
--- a/Sources/PackageModel/SwiftSDKs/SwiftSDK.swift
+++ b/Sources/PackageModel/SwiftSDKs/SwiftSDK.swift
@@ -265,6 +265,8 @@ public struct SwiftSDK: Equatable {
     /// deserialization.
     public private(set) var toolset: Toolset
 
+    public private(set) var swiftSDKManifest: Basics.AbsolutePath?
+
     /// The paths associated with a Swift SDK. The Path type can be a `String`
     /// to encapsulate the arguments for the `SwiftSDKConfigurationStore.configure`
     /// function, or can be a fully-realized `AbsolutePath` when deserialized from a configuration.
@@ -499,12 +501,14 @@ public struct SwiftSDK: Equatable {
         hostTriple: Triple? = nil,
         targetTriple: Triple? = nil,
         toolset: Toolset,
+        swiftSDKManifest: Basics.AbsolutePath? = nil,
         pathsConfiguration: PathsConfiguration<Basics.AbsolutePath>,
         xctestSupport: XCTestSupport = .supported
     ) {
         self.hostTriple = hostTriple
         self.targetTriple = targetTriple
         self.toolset = toolset
+        self.swiftSDKManifest = swiftSDKManifest
         self.pathsConfiguration = pathsConfiguration
         self.xctestSupport = xctestSupport
     }
@@ -942,7 +946,8 @@ extension SwiftSDK {
                     targetTriple: triple,
                     properties: properties,
                     toolset: toolset,
-                    swiftSDKDirectory: swiftSDKDirectory
+                    swiftSDKDirectory: swiftSDKDirectory,
+                    swiftSDKManifest: path,
                 )
             }
 
@@ -973,7 +978,8 @@ extension SwiftSDK {
                     targetTriple: triple,
                     properties: properties,
                     toolset: toolset,
-                    swiftSDKDirectory: swiftSDKDirectory
+                    swiftSDKDirectory: swiftSDKDirectory,
+                    swiftSDKManifest: path,
                 )
             }
         default:
@@ -991,11 +997,13 @@ extension SwiftSDK {
         targetTriple: Triple,
         properties: SwiftSDKMetadataV4.TripleProperties,
         toolset: Toolset = .init(),
-        swiftSDKDirectory: Basics.AbsolutePath? = nil
+        swiftSDKDirectory: Basics.AbsolutePath? = nil,
+        swiftSDKManifest: Basics.AbsolutePath? = nil,
     ) throws {
         self.init(
             targetTriple: targetTriple,
             toolset: toolset,
+            swiftSDKManifest: swiftSDKManifest,
             pathsConfiguration: try .init(properties, swiftSDKDirectory: swiftSDKDirectory)
         )
     }
@@ -1010,11 +1018,13 @@ extension SwiftSDK {
         targetTriple: Triple,
         properties: SerializedDestinationV3.TripleProperties,
         toolset: Toolset = .init(),
-        swiftSDKDirectory: Basics.AbsolutePath? = nil
+        swiftSDKDirectory: Basics.AbsolutePath? = nil,
+        swiftSDKManifest: Basics.AbsolutePath? = nil,
     ) throws {
         self.init(
             targetTriple: targetTriple,
             toolset: toolset,
+            swiftSDKManifest: swiftSDKManifest,
             pathsConfiguration: try .init(properties, swiftSDKDirectory: swiftSDKDirectory)
         )
     }
diff --git a/Sources/PackageModel/Toolchain.swift b/Sources/PackageModel/Toolchain.swift
index b6d5a3f478e..d70a22ed21a 100644
--- a/Sources/PackageModel/Toolchain.swift
+++ b/Sources/PackageModel/Toolchain.swift
@@ -75,6 +75,8 @@ public protocol Toolchain {
     /// Additional flags to be passed to the C++ compiler.
     @available(*, deprecated, message: "use extraFlags.cxxCompilerFlags instead")
     var extraCPPFlags: [String] { get }
+
+    var swiftSDK: SwiftSDK { get }
 }
 
 extension Toolchain {
diff --git a/Sources/SwiftBuildSupport/SwiftBuildSystem.swift b/Sources/SwiftBuildSupport/SwiftBuildSystem.swift
index e5f4204aebd..3326e399649 100644
--- a/Sources/SwiftBuildSupport/SwiftBuildSystem.swift
+++ b/Sources/SwiftBuildSupport/SwiftBuildSystem.swift
@@ -702,36 +702,50 @@ public final class SwiftBuildSystem: SPMBuildCore.BuildSystem {
     }
 
     private func makeRunDestination() -> SwiftBuild.SWBRunDestinationInfo {
-        let platformName: String
-        let sdkName: String
-        if self.buildParameters.triple.isAndroid() {
-            // Android triples are identified by the environment part of the triple
-            platformName = "android"
-            sdkName = platformName
-        } else if self.buildParameters.triple.isWasm {
-            // Swift Build uses webassembly instead of wasi as the platform name
-            platformName = "webassembly"
-            sdkName = platformName
+        if let sdkManifestPath = self.buildParameters.toolchain.swiftSDK.swiftSDKManifest {
+            return SwiftBuild.SWBRunDestinationInfo(
+                buildTarget: .swiftSDK(sdkManifestPath: sdkManifestPath.pathString, triple: self.buildParameters.triple.tripleString),
+                targetArchitecture: buildParameters.triple.archName,
+                supportedArchitectures: [],
+                disableOnlyActiveArch: (buildParameters.architectures?.count ?? 1) > 1,
+            )
         } else {
-            platformName = self.buildParameters.triple.darwinPlatform?.platformName ?? self.buildParameters.triple.osNameUnversioned
-            sdkName = platformName
-        }
+            let platformName: String
+            let sdkName: String
+
+            if self.buildParameters.triple.isAndroid() {
+                // Android triples are identified by the environment part of the triple
+                platformName = "android"
+                sdkName = platformName
+            // FIXME remove this case
+            } else if self.buildParameters.triple.isWasm {
+                // Swift Build uses webassembly instead of wasi as the platform name
+                platformName = "webassembly"
+                sdkName = platformName
+            } else {
+                platformName = self.buildParameters.triple.darwinPlatform?.platformName ?? self.buildParameters.triple.osNameUnversioned
+                sdkName = platformName
+            }
 
-        let sdkVariant: String?
-        if self.buildParameters.triple.environment == .macabi {
-            sdkVariant = "iosmac"
-        } else {
-            sdkVariant = nil
-        }
+            let sdkVariant: String?
+            if self.buildParameters.triple.environment == .macabi {
+                sdkVariant = "iosmac"
+            } else {
+                sdkVariant = nil
+            }
 
-        return SwiftBuild.SWBRunDestinationInfo(
-            platform: platformName,
-            sdk: sdkName,
-            sdkVariant: sdkVariant,
-            targetArchitecture: buildParameters.triple.archName,
-            supportedArchitectures: [],
-            disableOnlyActiveArch: (buildParameters.architectures?.count ?? 1) > 1
-        )
+            return SwiftBuild.SWBRunDestinationInfo(
+                buildTarget: .toolchainSDK(
+                    platform: platformName,
+                    sdk: sdkName,
+                    sdkVariant: sdkVariant
+                ),
+                targetArchitecture: buildParameters.triple.archName,
+                supportedArchitectures: [],
+                disableOnlyActiveArch: (buildParameters.architectures?.count ?? 1) > 1,
+                hostTargetedPlatform: nil
+            )
+        }
     }
 
     internal func makeBuildParameters(
@@ -866,12 +880,19 @@ public final class SwiftBuildSystem: SPMBuildCore.BuildSystem {
                 + buildParameters.flags.swiftCompilerFlags.map { $0.shellEscaped() }
         ).joined(separator: " ")
 
-        settings["OTHER_LDFLAGS"] = (
-            verboseFlag + // clang will be invoked to link so the verbose flag is valid for it
-                ["$(inherited)"]
-                + buildParameters.toolchain.extraFlags.linkerFlags.asSwiftcLinkerFlags().map { $0.shellEscaped() }
-                + buildParameters.flags.linkerFlags.asSwiftcLinkerFlags().map { $0.shellEscaped() }
-        ).joined(separator: " ")
+        let inherited = ["$(inherited)"]
+
+        let buildParametersLinkFlags =
+            buildParameters.toolchain.extraFlags.linkerFlags.asSwiftcLinkerFlags().map { $0.shellEscaped() }
+            + buildParameters.flags.linkerFlags.asSwiftcLinkerFlags().map { $0.shellEscaped() }
+
+        var otherLdFlags =
+                verboseFlag  // clang will be invoked to link so the verbose flag is valid for it
+                + inherited
+
+        otherLdFlags += buildParametersLinkFlags
+
+        settings["OTHER_LDFLAGS"] = otherLdFlags.joined(separator: " ")
 
         // Optionally also set the list of architectures to build for.
         if let architectures = buildParameters.architectures, !architectures.isEmpty {