From 038da1b01a0f7b2ffcfadbed97731360365e34f8 Mon Sep 17 00:00:00 2001
From: rachguo <rachguo@rachguos-Mini.attlocal.net>
Date: Mon, 10 Jul 2023 23:43:08 -0700
Subject: [PATCH] add Package.swift

---
 Package.swift | 109 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 109 insertions(+)
 create mode 100644 Package.swift

diff --git a/Package.swift b/Package.swift
new file mode 100644
index 0000000..e053732
--- /dev/null
+++ b/Package.swift
@@ -0,0 +1,109 @@
+// swift-tools-version: 5.6
+//   The swift-tools-version declares the minimum version of Swift required to build this package and MUST be the first
+//   line of this file. 5.6 is required to support zip files for the pod archive binaryTarget.
+//
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+//
+// A user of the Swift Package Manager (SPM) package will consume this file directly from the ORT github repository.
+// For context, the end user's config will look something like:
+//
+//     dependencies: [
+//       .package(url: "https://github.com/microsoft/onnxruntime", branch: "rel-1.15.0"),
+//       ...
+//     ],
+//
+// NOTE: The direct consumption creates a somewhat complicated setup to 'release' a new version of the ORT SPM package.
+//       TBD: how to manage the release process
+
+import PackageDescription
+import class Foundation.ProcessInfo
+
+let package = Package(
+    name: "onnxruntime",
+    platforms: [.iOS(.v11)],
+    products: [
+        .library(name: "onnxruntime",
+                 type: .static,
+                 targets: ["OnnxRuntimeBindings"]),
+    ],
+    dependencies: [],
+    targets: [
+        .target(name: "OnnxRuntimeBindings",
+                dependencies: ["onnxruntime"],
+                path: "objectivec",
+                exclude: ["test", "docs", "ReadMe.md", "format_objc.sh",
+                            "ort_checkpoint.mm",
+                            "ort_checkpoint_internal.h",
+                            "ort_training_session_internal.h",
+                            "ort_training_session.mm",
+                            "include/ort_checkpoint.h",
+                            "include/ort_training_session.h",
+                            "include/onnxruntime_training.h"],
+                cxxSettings: [
+                    .define("SPM_BUILD"),
+                    .unsafeFlags(["-std=c++17",
+                                  "-fobjc-arc-exceptions"
+                                 ]),
+                ], linkerSettings: [
+                    .unsafeFlags(["-ObjC"]),
+                ]),
+        .testTarget(name: "OnnxRuntimeBindingsTests",
+                    dependencies: ["OnnxRuntimeBindings"],
+                    path: "swift/OnnxRuntimeBindingsTests",
+                    resources: [
+                        .copy("Resources/single_add.basic.ort")
+                    ]),
+    ]
+)
+
+// Add the ORT iOS Pod archive as a binary target.
+//
+// There are 2 scenarios:
+//
+// Release branch of ORT github repo:
+//    Target will be set to the released pod archive and its checksum.
+//
+// Any other branch/tag of ORT github repo:
+//    Invalid by default. We do not have a pod archive that is guaranteed to work
+//    as the objective-c bindings may have changed since the pod archive was released.
+
+// CI or local testing where you have built/obtained the iOS Pod archive matching the current source code.
+// Requires the ORT_IOS_POD_LOCAL_PATH environment variable to be set to specify the location of the pod.
+if let pod_archive_path = ProcessInfo.processInfo.environment["ORT_IOS_POD_LOCAL_PATH"] {
+    // ORT_IOS_POD_LOCAL_PATH MUST be a path that is relative to Package.swift.
+    //
+    // To build locally, tools/ci_build/github/apple/build_and_assemble_ios_pods.py can be used
+    // See https://onnxruntime.ai/docs/build/custom.html#ios
+    //  Example command:
+    //    python3 tools/ci_build/github/apple/build_and_assemble_ios_pods.py \
+    //      --variant Full \
+    //      --build-settings-file tools/ci_build/github/apple/default_full_ios_framework_build_settings.json
+    //
+    // This should produce the pod archive in build/ios_pod_staging, and ORT_IOS_POD_LOCAL_PATH can be set to
+    // "build/ios_pod_staging/pod-archive-onnxruntime-c-???.zip" where '???' is replaced by the version info in the
+    // actual filename.
+    package.targets.append(Target.binaryTarget(name: "onnxruntime", path: pod_archive_path))
+
+} else {
+    // When creating the release version:
+    //   - remove the fatalError
+    //   - uncomment the package.targets.append call
+    //   - update the major/minor/patch version info in the url
+    //   - insert the checksum info from the onnxruntime-ios-packaging-pipeline CI's 'Print ORT iOS Pod checksum'
+    //     stage output (or download the pod archive artifact from the CI and run `shasum -a 256 <path to pod zip>`
+    //     to manually calculate it).
+    //     The checksum length and chars should look something like
+    //       "c89cd106ff02eb3892243acd7c4f2bd8e68c2c94f2751b5e35f98722e10c042b"
+    //
+    // package.targets.append(
+    //    Target.binaryTarget(name: "onnxruntime",
+    //                        url: "https://onnxruntimepackages.z14.web.core.windows.net/pod-archive-onnxruntime-c-<major.minor.patch>.zip",
+    //                        checksum: "Insert checksum here")
+    // )
+
+    fatalError("It is not valid to use a non-release branch from https://github.com/microsoft/onnxruntime.\n" +
+               "Please use a release branch (e.g. rel-1.15.0), or build the ONNX Runtime iOS pod archive locally " +
+               "and set the ORT_IOS_POD_LOCAL_PATH environment variable.\n" +
+               "See Package.swift for more information on using a local pod archive.")
+}