Create a new XCFrameworkExternal fixture.

* To isolate testing xcframeworks from an external package dependency
  as a c++ target dependency.

Signed-off-by: furby™ <[email protected]>

Author: furby-tm

Fixtures/DependencyResolution/External/XCFramework/Package.swift

@@ -5,14 +5,10 @@ import PackageDescription
 let package = Package(
     name: "Foo",
     products: [
-        .library(name: "Foo", targets: ["Foo", "Bar", "Baz"]),
-    ],
-    dependencies: [
-        .package(path: "./Inner")
+        .library(name: "Foo", targets: ["Foo", "Bar"]),
     ],
     targets: [
         .target(name: "Foo", path: "./Foo"),
-        .binaryTarget(name: "Bar", path: "./Bar.xcframework"),
-        .target(name: "Baz", dependencies: [.product(name: "InnerBar", package: "Inner")], path: "./Baz")
+        .binaryTarget(name: "Bar", path: "./Bar.xcframework")
     ]
 )

Fixtures/DependencyResolution/External/XCFramework/Baz/Baz.cpp renamed to Fixtures/DependencyResolution/External/XCFrameworkExternal/Baz/Baz.cpp

@@ -0,0 +1,3 @@
+public func foo() {
+	{}()
+}

Fixtures/DependencyResolution/External/XCFramework/Baz/include/Baz.h renamed to Fixtures/DependencyResolution/External/XCFrameworkExternal/Baz/include/Baz.h

@@ -0,0 +1,17 @@
+// swift-tools-version:5.3
+
+import PackageDescription
+
+let package = Package(
+    name: "Foo",
+    products: [
+        .library(name: "Foo", targets: ["Foo", "Baz"]),
+    ],
+    dependencies: [
+        .package(path: "./Inner")
+    ],
+    targets: [
+        .target(name: "Foo", path: "./Foo"),
+        .target(name: "Baz", dependencies: [.product(name: "InnerBar", package: "Inner")], path: "./Baz")
+    ]
+)