Wire local TDLib into iOS FFI build

apps/ios/TeleTuiIOS/Package.swift

@@ -1,7 +1,29 @@
 // swift-tools-version: 6.0
 
+import Foundation
 import PackageDescription
 
+let useLocalFfi = ProcessInfo.processInfo.environment["TELE_IOS_USE_LOCAL_FFI"] == "1"
+let localFfiTargets: [Target] = useLocalFfi ? [
+    .binaryTarget(
+        name: "tele_ios_ffiFFI",
+        path: "BinaryArtifacts/tele_ios_ffi.xcframework"
+    ),
+    .binaryTarget(
+        name: "tdjson",
+        path: "BinaryArtifacts/tdjson.xcframework"
+    ),
+    .target(
+        name: "tele_ios_ffi",
+        dependencies: ["tele_ios_ffiFFI", "tdjson"],
+        path: "Generated/tele_ios_ffi/Sources/tele_ios_ffi"
+    ),
+] : []
+
+let coreDependencies: [Target.Dependency] = useLocalFfi ? [
+    "tele_ios_ffi",
+] : []
+
 let package = Package(
     name: "TeleTuiIOS",
     platforms: [
@@ -14,7 +36,10 @@ let package = Package(
         .executable(name: "TeleTuiIOSSmokeTests", targets: ["TeleTuiIOSSmokeTests"]),
     ],
     targets: [
-        .target(name: "TeleTuiIOSCore"),
+        .target(
+            name: "TeleTuiIOSCore",
+            dependencies: coreDependencies
+        ),
         .executableTarget(
             name: "TeleTuiIOSApp",
             dependencies: ["TeleTuiIOSCore"]
@@ -23,5 +48,5 @@ let package = Package(
             name: "TeleTuiIOSSmokeTests",
             dependencies: ["TeleTuiIOSCore"]
         ),
-    ]
+    ] + localFfiTargets
 )