Extend support to Swift 5.1 and tvOS (#14)

* Set base swift as 5.1 and enable tvOS and watchOS
* Fix swift 5.1/5.2 error

Author: adam-fowler

.github/workflows/ci.yml

@@ -33,6 +33,8 @@ jobs:
     strategy:
       matrix:
         tag:
+          - swift:5.1
+          - swift:5.2
           - swift:5.3
 #    container:
 #      image: ${{ matrix.tag }}

Package.swift

@@ -1,10 +1,10 @@
-// swift-tools-version:5.3
+// swift-tools-version:5.1
 
 import PackageDescription
 
 let package = Package(
     name: "mqtt-nio",
-    platforms: [.macOS(.v10_14), .iOS(.v12), .tvOS(.v12)],
+    platforms: [.macOS(.v10_14), .iOS(.v12), .tvOS(.v12), .watchOS(.v6)],
     products: [
         .library(name: "MQTTNIO", targets: ["MQTTNIO"]),
     ],
@@ -25,6 +25,6 @@ let package = Package(
             .product(name: "NIOTransportServices", package: "swift-nio-transport-services"),
         ]),
         .target(name: "CCoreMQTT", dependencies: []),
-        .testTarget(name: "MQTTNIOTests", dependencies: ["MQTTNIO"], resources: [.process("mosquitto.org.crt")]),
+        .testTarget(name: "MQTTNIOTests", dependencies: ["MQTTNIO"]),
     ]
 )

Sources/CCoreMQTT/include/core_mqtt_config_defaults.h

@@ -20,6 +20,8 @@
  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  */
 
+#include <stdint.h>
+
 /**
  * @file core_mqtt_config_defaults.h
  * @brief This represents the default values for the configuration macros

Sources/MQTTNIO/TSTLSConfiguration.swift

@@ -122,7 +122,7 @@ extension TSTLSConfiguration {
                     if let trustRootCertificates = trustRoots {
                         SecTrustSetAnchorCertificates(trust, trustRootCertificates as CFArray)
                     }
-                    if #available(macOS 10.15, iOS 13.0, *) {
+                    if #available(macOS 10.15, iOS 13.0, tvOS 13.0, watchOS 6.0, *) {
                         SecTrustEvaluateAsyncWithError(trust, Self.tlsDispatchQueue) { (trust, result, error) in
                             if let error = error {
                                 print("Trust failed: \(error.localizedDescription)")

docker-compose.yml

@@ -7,7 +7,7 @@ version: "3.3"
 
 services:
   test:
-    image: swift:5.3
+    image: swift:5.1
     working_dir: /mqtt-nio
     volumes:
       - .:/mqtt-nio