Configure CMake to use virtual environment Python on macOS and add Py…

…thon3 executable path in CMakeTest

.github/workflows/ci.yml

@@ -180,7 +180,22 @@ jobs:
         python.exe -m pip install --upgrade pip
         python.exe -m pip install cryptography
 
-    - name: Configure CMake
+    - name: Configure CMake (macOS)
+      if: runner.os == 'macOS'
+      run: |
+        source venv/bin/activate
+        cmake \
+          -G "${{ matrix.generator }}" \
+          -S "${{ github.workspace }}" \
+          -B "${{ github.workspace }}/build" \
+          -DCMAKE_OSX_ARCHITECTURES=arm64 \
+          -DCMAKE_BUILD_TYPE="${{ env.BUILD_TYPE }}" \
+          -DCMAKE_INSTALL_PREFIX="${{ github.workspace }}/dist" \
+          -DVCPKG_TARGET_TRIPLET="${{ matrix.triplet }}" \
+          -DPYTHON_EXECUTABLE="${{ github.workspace }}/venv/bin/python"
+
+    - name: Configure CMake (non-macOS)
+      if: runner.os != 'macOS'
       run: cmake
         -G "${{matrix.generator}}"
         -S ${{github.workspace}}

cmake/CMakeTest.cmake

@@ -2,8 +2,9 @@
 # ctest -C Release
 
 ########## Configure ##########
-
+set(PYTHON_EXECUTABLE "${CMAKE_SOURCE_DIR}/venv/bin/python")
 include(FindPython3)
+message(STATUS "Using Python interpreter at ${Python3_EXECUTABLE}")
 
 if(Python3_FOUND)
     execute_process(