     var buildTests: Bool = false
     var colorMode: ColorWrap.Mode = .Auto
     var ignoreDependencies: Bool = false
-    var xcconfigOverrides: AbsolutePath? = nil
 }
 
 /// swift-build tool namespace

                opts.buildTests = true
            case .colorMode(let mode):
                opts.colorMode = mode
            case .xcconfigOverrides(let path):
                opts.xcconfigOverrides = path
            case .ignoreDependencies:
                opts.ignoreDependencies = true
            }

import struct PackageDescription.Version

import func POSIX.chdir

private enum Mode: Argument, Equatable, CustomStringConvertible {
    case build(Configuration, Toolchain)
