             name: "PackageDescription",
             dependencies: []),
 
+        // MARK: Support libraries
         
+        Target(
+            /** Cross-platform access to bare `libc` functionality. */
+            name: "libc",
+            dependencies: []),
         Target(
             /** “Swifty” POSIX functions from libc */
             name: "POSIX",

            /** Basic support library */
            name: "Basic",
            dependencies: ["libc", "POSIX"]),
        Target(
            /** Base types for the package-engine */
            name: "PackageType",
            dependencies: ["Basic", "PackageDescription", "Utility"]),
        Target(
            name: "ManifestSerializer",
            dependencies: ["Basic", "PackageDescription", "PackageType"]),
        Target(
            /** Turns Packages into Modules & Products */
            name: "Transmute",
            dependencies: ["Basic", "PackageDescription", "PackageType"]),
        Target(
            /** Fetches Packages and their dependencies */
            name: "Get",

            /** Builds Modules and Products */
            name: "Build",
            dependencies: ["Basic", "PackageType", "PkgConfig"]),
        Target(
            /** Generates Xcode projects */
            name: "Xcodeproj",
            dependencies: ["Basic", "PackageType", "PkgConfig"]),

        // MARK: Tools
        
        Target(
            /** The main executable provided by SwiftPM */
            name: "swift-build",
