--- intern/cycles/CMakeLists.txt.orig	2023-02-15 14:56:19 UTC
+++ intern/cycles/CMakeLists.txt
@@ -377,9 +377,9 @@ endif()
   add_definitions(-DWITH_CYCLES_DEBUG_NAN)
 endif()
 
-if(NOT OPENIMAGEIO_PUGIXML_FOUND)
+#if(NOT OPENIMAGEIO_PUGIXML_FOUND)
   add_definitions(-DWITH_SYSTEM_PUGIXML)
-endif()
+#endif()
 
 if(CYCLES_STANDALONE_REPOSITORY)
   include_directories(../third_party/atomic)