First attempt

examples/CMakeLists.txt

@@ -0,0 +1,30 @@
+cmake_minimum_required(VERSION 3.21)
+
+function(kpn_example name)
+    add_executable(${name} ${name}/main.cpp)
+    target_link_libraries(${name} PRIVATE kpn)
+endfunction()
+
+kpn_example(01_hello_pipeline)
+kpn_example(02_named_ports)
+kpn_example(03_multi_output)
+kpn_example(04_storage_policy)
+kpn_example(05_error_handling)
+kpn_example(06_watchdog)
+# 07 and 08 require the Python bindings — only add if built
+if(KPN_BUILD_PYTHON)
+    # These are Python scripts, not compiled targets — installed alongside kpn_python
+endif()
+
+# 09 requires OpenCV — only build if found
+find_package(OpenCV QUIET COMPONENTS core imgproc highgui videoio)
+if(OpenCV_FOUND)
+    add_executable(09_opencv_cellshade 09_opencv_cellshade/main.cpp)
+    target_link_libraries(09_opencv_cellshade PRIVATE kpn ${OpenCV_LIBS})
+    if(KPN_WEB_DEBUG)
+        kpn_target_enable_web_debug(09_opencv_cellshade)
+    endif()
+    message(STATUS "KPN++ example 09_opencv_cellshade: OpenCV ${OpenCV_VERSION} found — building")
+else()
+    message(STATUS "KPN++ example 09_opencv_cellshade: OpenCV not found — skipping")
+endif()