Upgrade Package Format to Swift 5.5

Upgrade from the 5.1 manifest to the 5.5 manifest now that Xcode 13
is required for Swift development. This enables better Docc integration
in the package by default.

Author: CodaFi

Package.resolved

@@ -1,6 +1,5 @@
-// swift-tools-version:5.1
-// In order to support users running on the latest Xcodes, please ensure that
-// [email protected] is kept in sync with this file.
+// swift-tools-version:5.5
+
 import PackageDescription
 import class Foundation.ProcessInfo
 
@@ -44,31 +43,42 @@ let package = Package(
   targets: [
 
     /// C modules wrapper for _InternalLibSwiftScan.
-    .target(name: "CSwiftScan"),
+    .target(name: "CSwiftScan",
+            exclude: [ "CMakeLists.txt" ]),
 
     /// The driver library.
     .target(
       name: "SwiftDriver",
-      dependencies: ["SwiftOptions", "SwiftToolsSupport-auto",
-                     "CSwiftScan", "Yams"],
-      exclude: ["CMakeLists.txt", "SwiftDriver.docc"]),
+      dependencies: [
+        "SwiftOptions",
+        .product(name: "SwiftToolsSupport-auto", package: "swift-tools-support-core"),
+        "CSwiftScan",
+        .product(name: "Yams", package: "Yams"),
+      ],
+      exclude: ["CMakeLists.txt"]),
 
     /// The execution library.
     .target(
       name: "SwiftDriverExecution",
-      dependencies: ["SwiftDriver", "SwiftToolsSupport-auto"],
+      dependencies: [
+        "SwiftDriver",
+        .product(name: "SwiftToolsSupport-auto", package: "swift-tools-support-core")
+      ],
       exclude: ["CMakeLists.txt"]),
 
     /// Driver tests.
     .testTarget(
       name: "SwiftDriverTests",
-      dependencies: ["SwiftDriver", "SwiftDriverExecution", "swift-driver",
-                     "TestUtilities"]),
+      dependencies: ["SwiftDriver", "SwiftDriverExecution", "TestUtilities"]),
 
     /// IncrementalImport tests
     .testTarget(
       name: "IncrementalImportTests",
-      dependencies: ["IncrementalTestFramework", "TestUtilities", "SwiftToolsSupport-auto"]),
+      dependencies: [
+        "IncrementalTestFramework",
+        "TestUtilities",
+        .product(name: "SwiftToolsSupport-auto", package: "swift-tools-support-core"),
+      ]),
 
     .target(
       name: "IncrementalTestFramework",
@@ -86,32 +96,38 @@ let package = Package(
     /// The options library.
     .target(
       name: "SwiftOptions",
-      dependencies: ["SwiftToolsSupport-auto"],
+      dependencies: [
+        .product(name: "SwiftToolsSupport-auto", package: "swift-tools-support-core"),
+      ],
       exclude: ["CMakeLists.txt"]),
     .testTarget(
       name: "SwiftOptionsTests",
       dependencies: ["SwiftOptions"]),
 
     /// The primary driver executable.
-    .target(
+    .executableTarget(
       name: "swift-driver",
       dependencies: ["SwiftDriverExecution", "SwiftDriver"],
       exclude: ["CMakeLists.txt"]),
 
     /// The help executable.
-    .target(
+    .executableTarget(
       name: "swift-help",
-      dependencies: ["SwiftOptions", "ArgumentParser", "SwiftToolsSupport-auto"],
+      dependencies: [
+        "SwiftOptions",
+        .product(name: "ArgumentParser", package: "swift-argument-parser"),
+        .product(name: "SwiftToolsSupport-auto", package: "swift-tools-support-core"),
+      ],
       exclude: ["CMakeLists.txt"]),
 
     /// The help executable.
-    .target(
+    .executableTarget(
       name: "swift-build-sdk-interfaces",
       dependencies: ["SwiftDriver", "SwiftDriverExecution"],
       exclude: ["CMakeLists.txt"]),
 
     /// The `makeOptions` utility (for importing option definitions).
-    .target(
+    .executableTarget(
       name: "makeOptions",
       dependencies: []),
   ],
@@ -123,14 +139,19 @@ if ProcessInfo.processInfo.environment["SWIFT_DRIVER_LLBUILD_FWK"] == nil {
         package.dependencies += [
             .package(url: "https://github.com/apple/swift-llbuild.git", .branch("main")),
         ]
+        package.targets.first(where: { $0.name == "SwiftDriverExecution" })!.dependencies += [
+            .product(name: "llbuildSwift", package: "swift-llbuild"),
+        ]
     } else {
         // In Swift CI, use a local path to llbuild to interoperate with tools
         // like `update-checkout`, which control the sources externally.
         package.dependencies += [
-            .package(path: "../llbuild"),
+            .package(name: "llbuild", path: "../llbuild"),
+        ]
+        package.targets.first(where: { $0.name == "SwiftDriverExecution" })!.dependencies += [
+            .product(name: "llbuildSwift", package: "llbuild"),
         ]
     }
-    package.targets.first(where: { $0.name == "SwiftDriverExecution" })!.dependencies += ["llbuildSwift"]
 }
 
 if ProcessInfo.processInfo.environment["SWIFTCI_USE_LOCAL_DEPS"] == nil {
@@ -145,7 +166,7 @@ if ProcessInfo.processInfo.environment["SWIFTCI_USE_LOCAL_DEPS"] == nil {
 } else {
     package.dependencies += [
         .package(path: "../swift-tools-support-core"),
-        .package(path: "../yams"),
+        .package(name: "Yams", path: "../yams"),
         .package(path: "../swift-argument-parser"),
     ]
 }