Warn instead of fail when dds.communication.dynamic_interfaces cann…

…ot be built (#5310)

* Refs #21826. Fix

Signed-off-by: Ricardo González Moreno <ricardo@richiware.dev>

* Refs #21826. Apply suggestions

Signed-off-by: Ricardo González Moreno <ricardo@richiware.dev>

---------

Signed-off-by: Ricardo González Moreno <ricardo@richiware.dev>

test/dds/communication/dyn_network/CMakeLists.txt

@@ -16,7 +16,8 @@ message(STATUS "Configuring dynamic network interfaces tests")
 # Find docker
 find_program(DOCKER_EXECUTABLE docker)
 if(NOT DOCKER_EXECUTABLE)
-    message(FATAL_ERROR "Docker not found")
+    message(WARNING "Docker executable not found. dds.communication.dynamic_interfaces test won't be compiled.")
+    return()
 endif()
 
 set(SHELL_EXECUTABLE "")
@@ -28,19 +29,21 @@ if(UNIX AND NOT(APPLE) AND NOT(QNXNTO) AND NOT(ANDROID))
     # Find bash
     find_program(BASH_EXECUTABLE bash)
     if(NOT BASH_EXECUTABLE)
-        message(FATAL_ERROR "bash not found")
+        message(WARNING "bash executable not found. dds.communication.dynamic_interfaces test won't be compiled.")
+        return()
     endif()
 
     set(SHELL_EXECUTABLE ${BASH_EXECUTABLE})
 
 # Windows configurations
 elseif(WIN32)
     # We don't know which docker image to use for Windows yet
-    message(FATAL_ERROR "Windows not supported yet")
-
+    message(WARNING "Windows not supported yet. dds.communication.dynamic_interfaces test won't be compiled.")
+    return()
 # Unsupported platform
 else()
-    message(FATAL_ERROR "Unsupported platform")
+    message(WARNING "Unsupported platform. dds.communication.dynamic_interfaces test won't be compiled.")
+    return()
 endif()
 
 # Configure TinyXML2 library path if installed in user library path