firebase-ios-sdk/Package.swift

// swift-tools-version:5.2
// The swift-tools-version declares the minimum version of Swift required to build this package.

import PackageDescription

let package = Package(
  name: "Firebase",
  platforms: [ .iOS(.v9), .macOS(.v10_11), .tvOS(.v10) ],
  products: [
    // Products define the executables and libraries produced by a package, and make them visible to
    // other packages.
    // This is a test-only executable for us to try `swift run` and use all imported modules from a
    // Swift target.
    .executable(name: "firebase-test", targets: ["firebase-test"]),
  ],
  dependencies: [
    .package(name: "Promises", url: "https://www.github.com/google/promises", from: "1.2.0"),
  ],
  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: "firebase-test",
      dependencies: [ "GoogleUtilities_AppDelegateSwizzler",
                      "GoogleUtilities_Environment",
                      "GoogleUtilities_Logger",
                      "FirebaseCore"]
    ),

    // MARK: - Firebase

    .target(
      name: "FirebaseCore",
      dependencies: ["GoogleUtilities_Environment", "GoogleUtilities_Logger"],
      // Need to explicitly say `Source` because `Tests` has .swift files and you can't have a mix-language
      // target yet.
      path: "FirebaseCore/Sources",
      publicHeadersPath: "Public",
      cSettings: [
        .headerSearchPath("../.."), // Root of the repo, needed for Firebase's absolute filepaths.
        .define("FIRCore_VERSION", to: "0.0.1"),  // TODO Fix version
        .define("Firebase_VERSION", to: "0.0.1")  // TODO Fix version
        // TODO - Add support for cflags cSetting so that we can set the -fno-autolink option
    ]),

    // MARK: - Google Utilities Sub-targets

    .target(
      name: "GoogleUtilities_AppDelegateSwizzler",
      dependencies: ["GoogleUtilities_Environment", "GoogleUtilities_Logger", "GoogleUtilities_Network"],
      path: "GoogleUtilities/AppDelegateSwizzler",
      publicHeadersPath: "Private", // Need to expose private headers.
      cSettings: [
        .headerSearchPath("../..") // Root of the repo, needed for Firebase's absolute filepaths.
      ]
    ),
    .target(
      name: "GoogleUtilities_Environment",
      dependencies: [ .product(name: "FBLPromises", package: "Promises") ],
      path: "GoogleUtilities/Environment",
      publicHeadersPath: "Public",
      cSettings: [
        .headerSearchPath("../..") // Root of the repo, needed for Firebase's absolute filepaths.
    ]),
    .target(
      name: "GoogleUtilities_Logger",
      dependencies: ["GoogleUtilities_Environment"],
      path: "GoogleUtilities/Logger",
      publicHeadersPath: "Public",
      cSettings: [
        .headerSearchPath("../..") // Root of the repo, needed for Firebase's absolute filepaths.
      ]
    ),
    .target(
      name: "GoogleUtilities_NSData",
      path: "GoogleUtilities/NSData+zlib",
      publicHeadersPath: ".", // All headers are public (there's only one).
      cSettings: [
        .headerSearchPath("../..") // Root of the repo, needed for Firebase's absolute filepaths.
      ],
      linkerSettings: [
        .linkedLibrary("z"),
      ]
    ),
    .target(
      name: "GoogleUtilities_Reachability",
      dependencies: ["GoogleUtilities_Logger"],
      path: "GoogleUtilities/Reachability",
      // We need to expose the private internal headers as public.
      publicHeadersPath: "Private",
      cSettings: [
        .headerSearchPath("../..") // Root of the repo, needed for Firebase's absolute filepaths.
      ],
      linkerSettings: [
        .linkedFramework("SystemConfiguration"),
      ]
    ),
    .target(
      name: "GoogleUtilities_Network",
      dependencies: ["GoogleUtilities_Logger", "GoogleUtilities_NSData", "GoogleUtilities_Reachability"],
      path: "GoogleUtilities/Network",
      publicHeadersPath: "Private",
      cSettings: [
        .headerSearchPath("../..") // Root of the repo, needed for Firebase's absolute filepaths.
      ],
      linkerSettings: [
        .linkedFramework("Security"),
      ]
    ),
    .target(
      name: "GoogleUtilities_UserDefaults",
      dependencies: ["GoogleUtilities_Logger"],
      path: "GoogleUtilities/UserDefaults",
      publicHeadersPath: "Private", // Consider renaming "Private" directory to "Public"
      cSettings: [
        .headerSearchPath("../..") // Root of the repo, needed for Firebase's absolute filepaths.
      ]
    )
  ],
  cLanguageStandard: .c99
)