exclude examples for oneapi/cpp ifaces

.ci/pipeline/ci.yml

@@ -123,7 +123,7 @@ jobs:
       .ci/scripts/test.sh --test-kind examples --build-dir $(release.dir) --compiler gnu --interface daal/cpp --build_system cmake --backend ref
     displayName: 'daal/cpp examples'
   - script: |
-      .ci/scripts/test.sh --test-kind examples --build-dir $(release.dir) --compiler gnu --interface oneapi/cpp --build_system cmake
+      .ci/scripts/test.sh --test-kind examples --build-dir $(release.dir) --compiler gnu --interface oneapi/cpp --build_system cmake --backend ref
     displayName: 'oneapi/cpp examples'
   - script: |
       .ci/scripts/test.sh --test-kind samples --build-dir $(release.dir) --compiler gnu --interface daal/cpp/mpi --conda-env ci-env --build_system make

examples/oneapi/cpp/CMakeLists.txt

@@ -33,13 +33,22 @@ set_common_compiler_options()
 
 include_directories(source)
 
+option(REF_BACKEND "Exclude not supported files for non-MKL backend" OFF)
+
 # Initialize the EXCLUDE_LIST variable
 set(EXCLUDE_LIST
     "source/utils/*"
     "source/example_util/*"
     "jaccard_batch_app"
 )
 
+if(REF_BACKEND)
+    set(EXCLUDE_LIST
+        ${EXCLUDE_LIST}
+        "source/pca/*"
+)
+endif()
+
 # Define variable to specify the examples or directories to include or exclude
 option(EXAMPLES_LIST "")