Linux support

Package.swift

@@ -20,11 +20,9 @@ let package = Package(
         // Targets can depend on other targets in this package, and on products in packages which this package depends on.
         .target(
             name: "Turf",
-            dependencies: [],
-            path: "Sources"),
+            dependencies: []),
         .testTarget(
-            name: "Tests",
-            dependencies: ["Turf"],
-            path: "Tests"),
+            name: "TurfTests",
+            dependencies: ["Turf"]),
     ]
 )

Sources/CoreLocation.swift → Sources/Turf/CoreLocation.swift

@@ -1,4 +1,21 @@
+import Foundation
+#if os(Linux)
+public struct CLLocationCoordinate2D {
+    let latitude: Double
+    let longitude: Double
+}
+
+public class CLLocation {}
+
+public typealias CLLocationDirection = Double
+public typealias CLLocationDistance = Double
+public typealias CLLocationDegrees = Double
+
+let CLLocationDistanceMax: CLLocationDistance = .greatestFiniteMagnitude
+
+#else
 import CoreLocation
+#endif
 
 #if os(OSX)
 let CLLocationDistanceMax: CLLocationDistance = .greatestFiniteMagnitude

Sources/Turf.swift → Sources/Turf/Turf.swift

@@ -1,4 +1,9 @@
+#if os(Linux)
+import Glibc
+import SwiftShims
+#else
 import CoreLocation
+#endif
 
 public typealias LocationRadians = Double
 public typealias RadianDistance = Double

Tests/LinuxMain.swift

@@ -0,0 +1,6 @@
+import XCTest
+@testable import Turf
+
+XCTMain([
+    testCase(TurfTests.allTests)
+])