Refs #23701. Only build Pro examples when using Fast DDS Pro.

Signed-off-by: Miguel Company <miguelcompany@eprosima.com>

Author: MiguelCompany

CMakeLists.txt

@@ -46,6 +46,20 @@ endif()
 find_package(fastdds REQUIRED)
 get_target_property(FAST_INCLUDE_DIR fastdds INTERFACE_INCLUDE_DIRECTORIES)
 
+# Default tweak to 0 in case the version is only X.Y or X.Y.Z
+set(_fastdds_pro FALSE)
+
+# If the version has a 4th component, capture it
+if(DEFINED fastdds_VERSION AND
+   fastdds_VERSION MATCHES "^([0-9]+)\\.([0-9]+)\\.([0-9]+)\\.(\\d+)$")
+  # CMAKE_MATCH_4 is the tweak component
+  set(_fastdds_tweak "${CMAKE_MATCH_4}")
+  if(_fastdds_tweak GREATER 0)
+    set(_fastdds_pro TRUE)
+  endif()
+endif()
+
+message(STATUS "Found Fast DDS ${fastdds_VERSION} (tweak: ${_fastdds_tweak})")
 message(STATUS "Fast DDS include directories: ${FAST_INCLUDE_DIR}")
 file(GLOB_RECURSE HPP_FILES "${FAST_INCLUDE_DIR}/fastdds/**/*.h*")
 

code/CMakeLists.txt

@@ -46,7 +46,12 @@ endif()
 ####################################################################################################
 add_subdirectory(Examples/C++/DDSHelloWorld)
 add_subdirectory(Examples/C++/RpcClientServerBasic)
-add_subdirectory(Examples/C++/RpcClientServerFeed)
+# Add Pro features only when Fast DDS Pro is being used
+if(_fastdds_pro)
+    add_subdirectory(Examples/C++/RpcClientServerFeed)
+else()
+    message(STATUS "Skipping RpcClientServerFeed example because Fast DDS Pro is not being used")
+endif()
 
 ####################################################################################################
 # Compile test applications