Add excludes to silence warnings

Since we upgraded the tools-version to 5.4, we now need to exclude unhandled files. This both excludes files that are part of the package, as well as additional ones that will be laid down when building with CMake.

Author: neonichu

Package.swift

@@ -21,6 +21,8 @@ if let deploymentTarget = ProcessInfo.processInfo.environment["SWIFTTSC_MACOS_DE
     macOSPlatform = .macOS(.v10_10)
 }
 
+let CMakeFiles = ["cmake_install.cmake", "CMakeLists.txt", "CMakeFiles"]
+
 let package = Package(
     name: "swift-tools-support-core",
     platforms: [
@@ -51,19 +53,23 @@ let package = Package(
         .target(
             /** Shim target to import missing C headers in Darwin and Glibc modulemap. */
             name: "TSCclibc",
-            dependencies: []),
+            dependencies: [],
+            exclude: CMakeFiles),
         .target(
             /** Cross-platform access to bare `libc` functionality. */
             name: "TSCLibc",
-            dependencies: []),
+            dependencies: [],
+            exclude: CMakeFiles),
         .target(
             /** TSCBasic support library */
             name: "TSCBasic",
-            dependencies: ["TSCLibc", "TSCclibc"]),
+            dependencies: ["TSCLibc", "TSCclibc"],
+            exclude: CMakeFiles + ["README.md"]),
         .target(
             /** Abstractions for common operations, should migrate to TSCBasic */
             name: "TSCUtility",
-            dependencies: ["TSCBasic", "TSCclibc"]),
+            dependencies: ["TSCBasic", "TSCclibc"],
+            exclude: CMakeFiles),
 
         // MARK: Additional Test Dependencies
 
@@ -77,7 +83,8 @@ let package = Package(
 
         .testTarget(
             name: "TSCBasicTests",
-            dependencies: ["TSCTestSupport", "TSCclibc"]),
+            dependencies: ["TSCTestSupport", "TSCclibc"],
+            exclude: ["processInputs", "Inputs"]),
         .testTarget(
             name: "TSCBasicPerformanceTests",
             dependencies: ["TSCBasic", "TSCTestSupport"]),
@@ -86,7 +93,8 @@ let package = Package(
             dependencies: ["TSCTestSupport"]),
         .testTarget(
             name: "TSCUtilityTests",
-            dependencies: ["TSCUtility", "TSCTestSupport"]),
+            dependencies: ["TSCUtility", "TSCTestSupport"],
+            exclude: ["pkgconfigInputs", "Inputs"]),
     ]
 )