Invoke package configuration script

Author: CodaFi

.travis.yml

@@ -26,5 +26,6 @@ matrix:
         - wget https://swift.org/builds/swift-3.0-release/ubuntu1404/swift-3.0-RELEASE/swift-3.0-RELEASE-ubuntu14.04.tar.gz
         - tar xzf swift-3.0-RELEASE-ubuntu14.04.tar.gz
         - export PATH=${PWD}/swift-3.0-RELEASE-ubuntu14.04/usr/bin:"${PATH}"
+        - swift utils/make-pkgconfig.swift
       script:
         - swift build

utils/make-pkgconfig.swift

@@ -9,7 +9,7 @@ import Foundation
 /// - returns: The standard output of the process, or nil if it was empty.
 func run(_ path: String, args: [String] = []) -> String? {
     let pipe = Pipe()
-    let process = Process()
+    let process = Task()
     process.launchPath = path
     process.arguments = args
     process.standardOutput = pipe