diff --git a/Package.swift b/Package.swift
new file mode 100644
index 0000000..322d392
--- /dev/null
+++ b/Package.swift
@@ -0,0 +1,28 @@
+// swift-tools-version:4.0
+// The swift-tools-version declares the minimum version of Swift required to build this package.
+
+import PackageDescription
+
+let package = Package(
+    name: "Combinatorics",
+    products: [
+        // Products define the executables and libraries produced by a package, and make them visible to other packages.
+        .library(
+            name: "Combinatorics",
+            targets: ["Combinatorics"]),
+    ],
+    dependencies: [
+        // Dependencies declare other packages that this package depends on.
+        // .package(url: /* package url */, from: "1.0.0"),
+    ],
+    targets: [
+        // Targets are the basic building blocks of a package. A target can define a module or a test suite.
+        // Targets can depend on other targets in this package, and on products in packages which this package depends on.
+        .target(
+            name: "Combinatorics",
+            dependencies: []),
+        .testTarget(
+            name: "CombinatoricsTests",
+            dependencies: ["Combinatorics"]),
+    ]
+)
diff --git a/Sources/Combinatorics/Combinatorics.swift b/Sources/Combinatorics/Combinatorics.swift
new file mode 120000
index 0000000..b4651c9
--- /dev/null
+++ b/Sources/Combinatorics/Combinatorics.swift
@@ -0,0 +1 @@
+../../Combinatorics/Combinatorics.swift
\ No newline at end of file
diff --git a/Tests/CombinatoricsTests/CombinatoricsTests.swift b/Tests/CombinatoricsTests/CombinatoricsTests.swift
new file mode 120000
index 0000000..2d56595
--- /dev/null
+++ b/Tests/CombinatoricsTests/CombinatoricsTests.swift
@@ -0,0 +1 @@
+../../CombinatoricsTests/CombinatoricsTests.swift
\ No newline at end of file
diff --git a/Tests/CombinatoricsTests/XCTestManifests.swift b/Tests/CombinatoricsTests/XCTestManifests.swift
new file mode 100644
index 0000000..b8c3656
--- /dev/null
+++ b/Tests/CombinatoricsTests/XCTestManifests.swift
@@ -0,0 +1,9 @@
+import XCTest
+
+#if !os(macOS)
+public func allTests() -> [XCTestCaseEntry] {
+    return [
+        testCase(CombinatoricsTests.allTests),
+    ]
+}
+#endif
\ No newline at end of file
diff --git a/Tests/LinuxMain.swift b/Tests/LinuxMain.swift
new file mode 100644
index 0000000..cde48b4
--- /dev/null
+++ b/Tests/LinuxMain.swift
@@ -0,0 +1,7 @@
+import XCTest
+
+import CombinatoricsTests
+
+var tests = [XCTestCaseEntry]()
+tests += CombinatoricsTests.allTests()
+XCTMain(tests)
\ No newline at end of file