Build Apple xcframework

.pipelines/nuget-publishing.yml

@@ -38,6 +38,11 @@ parameters:
   type: boolean
   default: true
 
+- name: enable_apple_framework
+  displayName: 'Whether Apple framework for iOS & MacCatalyst is built.'
+  type: boolean
+  default: false
+
 - name: ort_version
   displayName: 'OnnxRuntime version'
   type: string
@@ -89,6 +94,7 @@ stages:
     enable_win_dml: ${{ parameters.enable_win_dml }}
     enable_win_arm64: ${{ parameters.enable_win_arm64 }}
     enable_macos_cpu: ${{ parameters.enable_macos_cpu }}
+    enable_apple_framework: ${{ parameters.enable_apple_framework }}
     ort_version: ${{ parameters.ort_version }}
     ort_cuda_version: ${{ parameters.ort_cuda_version }}
     ort_dml_version: ${{ parameters.ort_dml_version }}
@@ -104,6 +110,7 @@ stages:
     enable_win_dml: ${{ parameters.enable_win_dml }}
     enable_win_arm64: ${{ parameters.enable_win_arm64 }}
     enable_macos_cpu: ${{ parameters.enable_macos_cpu }}
+    enable_apple_framework: ${{ parameters.enable_apple_framework }}
     ort_version: ${{ parameters.ort_version }}
     ort_cuda_version: ${{ parameters.ort_cuda_version }}
     ort_dml_version: ${{ parameters.ort_dml_version }}

.pipelines/stages/capi-packaging-stage.yml

@@ -13,6 +13,8 @@ parameters:
   type: boolean
 - name: enable_macos_cpu
   type: boolean
+- name: enable_apple_framework
+  type: boolean
 - name: ort_version
   type: string
 - name: ort_cuda_version
@@ -111,3 +113,12 @@ stages:
         ort_version: ${{ parameters.ort_version }}
         os: 'osx'
         build_config: ${{ parameters.build_config }}
+
+  - ${{ if eq(parameters.enable_apple_framework, true) }}:
+    - template: jobs/capi-packaging-job.yml
+      parameters:
+        os: 'ios'
+        ep: 'cpu'
+        arch: 'arm64'
+        ort_version: ${{ parameters.ort_version }}
+        build_config: ${{ parameters.build_config }}

.pipelines/stages/jobs/capi-packaging-job.yml

@@ -14,6 +14,7 @@ parameters:
   - 'linux'
   - 'win'
   - 'osx'
+  - 'ios'
 - name: build_config
   type: string
   default: 'release'
@@ -34,7 +35,7 @@ jobs:
       pool: 'onnxruntime-genai-windows-vs-2022-arm64'
     ${{ else }}:
       pool: 'onnxruntime-Win-CPU-2022'
-  ${{ if eq(parameters.os, 'osx') }}:
+  ${{ if or(eq(parameters.os, 'osx'), eq(parameters.os, 'ios')) }}:
     pool:
       vmImage: 'macOS-latest'
 
@@ -143,4 +144,9 @@ jobs:
         ep: ${{ parameters.ep }}
         build_config: ${{ parameters.build_config }}
 
+  - ${{ if eq(parameters.os, 'ios') }}:
+    - template: steps/capi-appleframework-step.yml
+      parameters:
+        build_config: ${{ parameters.build_config }}
+
   - template: steps/compliant-and-cleanup-step.yml

.pipelines/stages/jobs/nuget-packaging-job.yml

@@ -37,6 +37,11 @@ parameters:
   type: boolean
   default: false
 
+- name: enable_apple_framework
+  displayName: 'Whether Apple framework for iOS & MacCatalyst is built.'
+  type: boolean
+  default: false
+
 - name: ort_version
   type: string
 
@@ -85,6 +90,7 @@ jobs:
       value: 'Microsoft.ML.OnnxRuntime.Gpu'
     ${{ if eq(parameters.ep, 'directml') }}:
       value: 'Microsoft.ML.OnnxRuntime.DirectML'
+
   steps:
   - ${{ if and(eq(parameters.enable_win_cpu, true), eq(parameters.ep, 'cpu')) }}:
     - template: steps/utils/flex-download-pipeline-artifact.yml

.pipelines/stages/jobs/steps/capi-appleframework-step.yml

@@ -0,0 +1,39 @@
+parameters:
+- name: build_config
+  type: string
+  default: 'release'
+
+steps:
+
+- checkout: self
+  clean: true
+  path: onnxruntime-genai
+  submodules: recursive
+
+- template: utils/set-genai-version.yml
+
+- template: utils/set-nightly-build-option-variable.yml
+
+- script: |
+    set -e
+    python3 -m pip install requests
+    python3 tools/ci_build/github/apple/build_apple_framework.py \
+          --build_dir "$(Build.BinariesDirectory)/apple_framework" \
+          tools/ci_build/github/apple/default_full_ios_framework_build_settings.json
+
+    mkdir $(Build.BinariesDirectory)/artifacts
+    mkdir -p $(Build.BinariesDirectory)/artifacts_staging/onnxruntime-genai-ios-xcframework-$(genai_version)
+    cp -R $(Build.BinariesDirectory)/apple_framework/framework_out/onnxruntime-genai.xcframework \
+          $(Build.BinariesDirectory)/artifacts_staging/onnxruntime-genai-ios-xcframework-$(genai_version)
+    pushd $(Build.BinariesDirectory)/artifacts_staging
+    zip -vr $(Build.BinariesDirectory)/artifacts/onnxruntime_genai_ios_xcframework.zip \
+          onnxruntime-genai-ios-xcframework-$(genai_version)
+    popd
+  displayName: 'Build Apple XCFramework'
+  workingDirectory: '$(Build.Repository.LocalPath)'
+
+- task: PublishBuildArtifacts@1
+  displayName: 'Publish Artifact: ONNXRuntime GenAI XCFramework'
+  inputs:
+    ArtifactName: capi-onnxruntime-genai-ios-xcframework
+    PathtoPublish: '$(Build.BinariesDirectory)/artifacts'

.pipelines/stages/nuget-packaging-stage.yml

@@ -34,6 +34,11 @@ parameters:
   type: boolean
   default: true
 
+- name: enable_apple_framework
+  displayName: 'Whether Apple framework for iOS & MacCatalyst is built.'
+  type: boolean
+  default: false
+
 - name: ort_version
   type: string
 - name: ort_cuda_version
@@ -57,6 +62,7 @@ stages:
           enable_win_cpu: ${{ parameters.enable_win_cpu }}
           enable_win_arm64: ${{ parameters.enable_win_arm64 }}
           enable_macos_cpu: ${{ parameters.enable_macos_cpu }}
+          enable_apple_framework: ${{ parameters.enable_apple_framework }}
     - ${{ if or(eq(parameters.enable_linux_cuda, true), eq(parameters.enable_win_cuda, true)) }}:
       - template: jobs/nuget-packaging-job.yml
         parameters:

CMakeLists.txt

@@ -1,7 +1,7 @@
 # Copyright (c) Microsoft Corporation. All rights reserved.
 # Licensed under the MIT License.
 
-cmake_minimum_required(VERSION 3.26)
+cmake_minimum_required(VERSION 3.28)
 include(FetchContent)
 include(CMakeDependentOption)
 project(Generators LANGUAGES C CXX)
@@ -13,6 +13,12 @@ if("${CMAKE_C_COMPILER_ID}" STREQUAL "GNU" AND CMAKE_C_COMPILER_VERSION VERSION_
   message(FATAL_ERROR  "GCC version must be greater than or equal to 11")
 endif()
 
+# Avoid warning of Calling FetchContent_Populate(Lib) is deprecated temporarily
+# TODO: find a better way to handle the header-only 3rd party deps
+if(CMAKE_VERSION VERSION_GREATER_EQUAL "3.30.0")
+  cmake_policy(SET CMP0169 OLD)
+endif()
+
 if(MSVC)
   # DLL initialization errors due to old conda msvcp140.dll dll are a result of the new MSVC compiler
   # See https://developercommunity.visualstudio.com/t/Access-violation-with-std::mutex::lock-a/10664660#T-N10668856
@@ -46,6 +52,15 @@ if(MSVC)
   )
 endif()
 
+# Suggested by https://gitlab.kitware.com/cmake/cmake/-/issues/20132
+# MacCatalyst is not well supported in CMake
+# The error that can emerge without this flag can look like:
+# "clang : error : overriding '-mmacosx-version-min=11.0' option with '-target x86_64-apple-ios14.0-macabi' [-Werror,-Woverriding-t-option]"
+if (PLATFORM_NAME STREQUAL "macabi")
+  add_compile_options(-Wno-overriding-t-option)
+  add_link_options(-Wno-overriding-t-option)
+endif()
+
 if(ENABLE_TESTS)
   # call enable_testing so we can add tests from subdirectories (e.g. test and src/java)
   # it applies recursively to all subdirectories
@@ -85,12 +100,16 @@ target_link_directories(onnxruntime-genai PRIVATE ${ORT_LIB_DIR})
 
 # we keep the shared libraries disconnected on Android as they will come from separate AARs and we don't want to force
 # the ORT version to match in both.
-if(CMAKE_SYSTEM_NAME STREQUAL "Android" OR CMAKE_SYSTEM_NAME STREQUAL "Linux" OR (CMAKE_SYSTEM_NAME STREQUAL "Darwin" AND (NOT BUILD_APPLE_FRAMEWORK)))
+if(CMAKE_SYSTEM_NAME STREQUAL "Android" OR CMAKE_SYSTEM_NAME STREQUAL "Linux" OR (CMAKE_SYSTEM_NAME STREQUAL "Darwin" AND (NOT BUILD_APPLE_FRAMEWORK) AND (NOT MAC_CATALYST)))
   add_compile_definitions(_ORT_GENAI_USE_DLOPEN)
 else()
   target_link_libraries(onnxruntime-genai PRIVATE ${ONNXRUNTIME_LIB})
 endif()
 
+if(APPLE)
+target_link_libraries(onnxruntime-genai PRIVATE "-framework Foundation" "-framework CoreML")
+endif()
+
 set_target_properties(onnxruntime-genai PROPERTIES FOLDER "Sources")
 set_target_properties(onnxruntime-genai-static PROPERTIES FOLDER "Sources")
 source_group(TREE ${PROJECT_SOURCE_DIR} FILES ${generator_srcs})

build.py

@@ -131,7 +131,12 @@ class HelpFormatter(argparse.ArgumentDefaultsHelpFormatter, argparse.RawDescript
     # The following options are mutually exclusive (cross compiling options such as android, ios, etc.)
     platform_group = parser.add_mutually_exclusive_group()
     platform_group.add_argument("--android", action="store_true", help="Build for Android")
-    platform_group.add_argument("--ios", action="store_true", help="Build for ios")
+    platform_group.add_argument("--ios", action="store_true", help="Build for iOS")
+    platform_group.add_argument(
+        "--macos",
+        choices=["MacOSX", "Catalyst"],
+        help="Specify the target platform for macOS build. Only specify this argument when --build_apple_framework is present.",
+    )
 
     # Android options
     parser.add_argument(
@@ -157,23 +162,27 @@ class HelpFormatter(argparse.ArgumentDefaultsHelpFormatter, argparse.RawDescript
 
     # iOS build options
     parser.add_argument(
-        "--ios_sysroot",
+        "--apple_sysroot",
         default="",
         help="Specify the location name of the macOS platform SDK to be used",
     )
     parser.add_argument(
-        "--ios_arch",
+        "--osx_arch",
         type=str,
         help="Specify the Target specific architectures for iOS "
         "This is only supported on MacOS host",
     )
     parser.add_argument(
-        "--ios_deployment_target",
+        "--apple_deploy_target",
         type=str,
         help="Specify the minimum version of the target platform "
         "This is only supported on MacOS host",
     )
 
+    parser.add_argument(
+        "--build_apple_framework", action="store_true", help="Build a macOS/iOS framework for the ONNXRuntime."
+    )
+
     parser.add_argument(
         "--arm64",
         action="store_true",
@@ -285,14 +294,14 @@ def _validate_ios_args(args: argparse.Namespace):
             raise ValueError("A Mac host is required to build for iOS")
 
         needed_args = [
-            args.ios_sysroot,
-            args.ios_arch,
-            args.ios_deployment_target,
+            args.apple_sysroot,
+            args.osx_arch,
+            args.apple_deploy_target,
         ]
         arg_names = [
-            "--ios_sysroot           <the location or name of the macOS platform SDK>",
-            "--ios_arch              <the Target specific architectures for iOS>",
-            "--ios_deployment_target <the minimum version of the target platform>",
+            "--apple_sysroot          <the location or name of the macOS platform SDK>",
+            "--osx_arch              <the Target specific architectures for iOS>",
+            "--apple_deploy_target   <the minimum version of the target platform>",
         ]
         have_required_args = all(_ is not None for _ in needed_args)
         if not have_required_args:
@@ -485,9 +494,26 @@ def update(args: argparse.Namespace, env: dict[str, str]):
             "-DENABLE_TESTS=OFF",
         ]
 
+    if args.ios or args.macos:
+        platform_name = "macabi" if args.macos == "Catalyst" else args.apple_sysroot
+        command += [
+            "-DENABLE_PYTHON=OFF",
+            "-DENABLE_TESTS=OFF",
+            "-DENABLE_MODEL_BENCHMARK=OFF",
+            f"-DBUILD_APPLE_FRAMEWORK={'ON' if args.build_apple_framework else 'OFF'}",
+            "-DPLATFORM_NAME=" + platform_name,
+        ]
+
+    if args.macos:
+        command += [
+            f"-DCMAKE_OSX_SYSROOT={args.apple_sysroot}",
+            f"-DCMAKE_OSX_ARCHITECTURES={args.osx_arch}",
+            f"-DCMAKE_OSX_DEPLOYMENT_TARGET={args.apple_deploy_target}",
+        ]
+
     if args.ios:
         def _get_opencv_toolchain_file():
-            if args.ios_sysroot == "iphoneos":
+            if args.apple_sysroot == "iphoneos":
                 return (
                     REPO_ROOT / "cmake" / "external" / "opencv" / "platforms" / "iOS" / "cmake" /
                         "Toolchains" / "Toolchain-iPhoneOS_Xcode.cmake"
@@ -498,19 +524,32 @@ def _get_opencv_toolchain_file():
                         "Toolchains" / "Toolchain-iPhoneSimulator_Xcode.cmake"
                 )
 
-
         command += [
             "-DCMAKE_SYSTEM_NAME=iOS",
-            f"-DCMAKE_OSX_SYSROOT={args.ios_sysroot}",
-            f"-DCMAKE_OSX_ARCHITECTURES={args.ios_arch}",
-            f"-DCMAKE_OSX_DEPLOYMENT_TARGET={args.ios_deployment_target}",
-            "-DENABLE_PYTHON=OFF",
+            f"-DIOS_ARCH={args.osx_arch}",
+            f"-DIPHONEOS_DEPLOYMENT_TARGET={args.apple_deploy_target}",
             # The following arguments are specific to the OpenCV toolchain file
-            f"-DIOS_ARCH={args.ios_arch}",
-            f"-DIPHONEOS_DEPLOYMENT_TARGET={args.ios_deployment_target}",
             f"-DCMAKE_TOOLCHAIN_FILE={_get_opencv_toolchain_file()}",
         ]
 
+    if args.macos == "Catalyst":
+        if args.cmake_generator == "Xcode":
+            raise Exception("Xcode CMake generator ('--cmake_generator Xcode') doesn't support Mac Catalyst build.")
+
+        macabi_target = f"{args.osx_arch}-apple-ios{args.apple_deploy_target}-macabi"
+        command += [
+            "-DCMAKE_CXX_COMPILER_TARGET=" + macabi_target,
+            "-DCMAKE_C_COMPILER_TARGET=" + macabi_target,
+            "-DCMAKE_CC_COMPILER_TARGET=" + macabi_target,
+            f"-DCMAKE_CXX_FLAGS=--target={macabi_target}",
+            f"-DCMAKE_CXX_FLAGS_RELEASE=-O3 -DNDEBUG --target={macabi_target}",
+            f"-DCMAKE_C_FLAGS=--target={macabi_target}",
+            f"-DCMAKE_C_FLAGS_RELEASE=-O3 -DNDEBUG --target={macabi_target}",
+            f"-DCMAKE_CC_FLAGS=--target={macabi_target}",
+            f"-DCMAKE_CC_FLAGS_RELEASE=-O3 -DNDEBUG --target={macabi_target}",
+            "-DMAC_CATALYST=1",
+        ]
+
     if args.arm64:
         command += ["-A", "ARM64"]
     elif args.arm64ec:

cmake/Info.plist.in

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleExecutable</key>
+	<string>${MACOSX_FRAMEWORK_NAME}</string>
+	<key>CFBundleName</key>
+	<string>${MACOSX_FRAMEWORK_NAME}</string>
+	<key>CFBundleIdentifier</key>
+	<string>${MACOSX_FRAMEWORK_IDENTIFIER}</string>
+	<key>CFBundleVersion</key>
+	<string>${ORT_VERSION}</string>
+	<key>CFBundleShortVersionString</key>
+	<string>${ORT_VERSION}</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>CFBundlePackageType</key>
+	<string>FMWK</string>
+</dict>
+</plist>

cmake/external/onnxruntime_external_deps.cmake

@@ -87,3 +87,9 @@ FetchContent_Declare(
 )
 set(OCOS_BUILD_PRESET ort_genai)
 onnxruntime_fetchcontent_makeavailable(onnxruntime_extensions)
+
+list(APPEND EXTERNAL_LIBRARIES
+  onnxruntime_extensions
+  ocos_operators
+  noexcep_operators
+)