Address suggestion from copilot.

Author: larshg

PCLConfig.cmake.in

@@ -633,8 +633,9 @@ foreach(component ${PCL_TO_FIND_COMPONENTS})
     if(_is_header_only EQUAL -1)
       add_library(${pcl_component} @PCL_LIB_TYPE@ IMPORTED)
 
-      if(WIN32 AND NOT MINGW)
-        # On Windows, shared libraries are split into .dll (runtime) and .lib (import library).
+      if(WIN32 AND NOT MINGW AND PCL_SHARED_LIBS)
+        # On Windows with shared libraries, .dll (runtime) and .lib (import library)
+        # are separate artifacts.
         # find dll paths
         find_file(PCL_${COMPONENT}_DLL_PATH
             NAMES
@@ -643,30 +644,48 @@ foreach(component ${PCL_TO_FIND_COMPONENTS})
               ${pcl_component}${PCL_MINSIZEREL_SUFFIX}.dll
             HINTS "${PCL_ROOT}/bin"
             NO_DEFAULT_PATH)
+        mark_as_advanced(PCL_${COMPONENT}_DLL_PATH)
         find_file(PCL_${COMPONENT}_DLL_PATH_DEBUG
               NAMES ${pcl_component}${PCL_DEBUG_SUFFIX}.dll
               HINTS "${PCL_ROOT}/bin"
               NO_DEFAULT_PATH)
+        mark_as_advanced(PCL_${COMPONENT}_DLL_PATH_DEBUG)
 
         if(PCL_${COMPONENT}_LIBRARY_DEBUG)
           set_target_properties(${pcl_component}
             PROPERTIES
               IMPORTED_CONFIGURATIONS "RELEASE;DEBUG"
-              IMPORTED_LOCATION_RELEASE "${PCL_${COMPONENT}_DLL_PATH}"
-              IMPORTED_LOCATION_DEBUG "${PCL_${COMPONENT}_DLL_PATH_DEBUG}"
               IMPORTED_IMPLIB_RELEASE "${PCL_${COMPONENT}_LIBRARY}"
               IMPORTED_IMPLIB_DEBUG "${PCL_${COMPONENT}_LIBRARY_DEBUG}"
           )
+          if(PCL_${COMPONENT}_DLL_PATH)
+            set_target_properties(${pcl_component} PROPERTIES
+              IMPORTED_LOCATION_RELEASE "${PCL_${COMPONENT}_DLL_PATH}")
+          else()
+            pcl_message(WARNING "Could not find release DLL for ${pcl_component}. Runtime path will not be set.")
+          endif()
+          if(PCL_${COMPONENT}_DLL_PATH_DEBUG)
+            set_target_properties(${pcl_component} PROPERTIES
+              IMPORTED_LOCATION_DEBUG "${PCL_${COMPONENT}_DLL_PATH_DEBUG}")
+          else()
+            pcl_message(WARNING "Could not find debug DLL for ${pcl_component}. Runtime path will not be set.")
+          endif()
         else()
           set_target_properties(${pcl_component}
             PROPERTIES
-              IMPORTED_LOCATION "${PCL_${COMPONENT}_DLL_PATH}"
               IMPORTED_IMPLIB "${PCL_${COMPONENT}_LIBRARY}"
           )
+          if(PCL_${COMPONENT}_DLL_PATH)
+            set_target_properties(${pcl_component} PROPERTIES
+              IMPORTED_LOCATION "${PCL_${COMPONENT}_DLL_PATH}")
+          else()
+            pcl_message(WARNING "Could not find DLL for ${pcl_component}. Runtime path will not be set.")
+          endif()
         endif()
       else()
-        # On Linux/macOS/MINGW, the shared library (.so/.dylib) is both the
-        # link-time and runtime artifact, so IMPORTED_LOCATION is sufficient.
+        # On Linux/macOS/MINGW, or when PCL is built as static libraries,
+        # the library file is both the link-time and runtime artifact,
+        # so IMPORTED_LOCATION is sufficient.
         if(PCL_${COMPONENT}_LIBRARY_DEBUG)
           set_target_properties(${pcl_component}
             PROPERTIES