Ship a linkable shared runtime and make the Python bindings use it

.ci/scripts/wheel/test_linux.py

@@ -7,8 +7,11 @@
 # LICENSE file in the root directory of this source tree.
 
 import platform
+import tempfile
+from pathlib import Path
 
 import test_base
+import test_cpp_sdk
 from examples.models import Backend, Model
 
 if __name__ == "__main__":
@@ -41,6 +44,12 @@
 
         test_base.test_cmsis_nn_install()
 
+        # The wheel ships a prebuilt C++ runtime and a CMake package config, so
+        # check that a standalone application can actually link and run against
+        # them, and that the process still has a single backend registry.
+        with tempfile.TemporaryDirectory() as work_dir:
+            test_cpp_sdk.run_tests(Path(work_dir))
+
     test_base.run_tests(
         model_tests=[
             test_base.ModelTest(

.ci/scripts/wheel/test_linux_aarch64.py

@@ -5,7 +5,11 @@
 # This source code is licensed under the BSD-style license found in the
 # LICENSE file in the root directory of this source tree.
 
+import tempfile
+from pathlib import Path
+
 import test_base
+import test_cpp_sdk
 from examples.models import Backend, Model
 
 if __name__ == "__main__":
@@ -26,6 +30,12 @@
     ), f"OpenvinoBackend not found in registered backends: {registered}"
     print("✓ OpenvinoBackend is registered")
 
+    # The wheel ships a prebuilt C++ runtime and a CMake package config, so check
+    # that a standalone application can actually link and run against them, and
+    # that the process still has a single backend registry.
+    with tempfile.TemporaryDirectory() as work_dir:
+        test_cpp_sdk.run_tests(Path(work_dir))
+
     test_base.run_tests(
         model_tests=[
             test_base.ModelTest(

.github/workflows/build-wheels-aarch64-linux.yml

@@ -6,9 +6,11 @@ on:
     paths:
       - .ci/**/*
       - .github/workflows/build-wheels-aarch64-linux.yml
+      - '**/CMakeLists.txt'
       - examples/**/*
       - pyproject.toml
       - setup.py
+      - tools/cmake/**/*
   push:
     branches:
       - nightly

.github/workflows/build-wheels-linux.yml

@@ -6,9 +6,11 @@ on:
     paths:
       - .ci/**/*
       - .github/workflows/build-wheels-linux.yml
+      - '**/CMakeLists.txt'
       - examples/**/*
       - pyproject.toml
       - setup.py
+      - tools/cmake/**/*
   push:
     branches:
       - nightly

.github/workflows/build-wheels-macos.yml

@@ -6,9 +6,11 @@ on:
     paths:
       - .ci/**/*
       - .github/workflows/build-wheels-macos.yml
+      - '**/CMakeLists.txt'
       - examples/**/*
       - pyproject.toml
       - setup.py
+      - tools/cmake/**/*
   push:
     branches:
       - nightly

.github/workflows/build-wheels-windows.yml

@@ -5,9 +5,11 @@ on:
     paths:
       - .ci/**/*
       - .github/workflows/build-wheels-windows.yml
+      - '**/CMakeLists.txt'
       - examples/**/*
       - pyproject.toml
       - setup.py
+      - tools/cmake/**/*
   push:
     branches:
       - nightly