--- intern/cycles/CMakeLists.txt.orig	2019-07-31 13:03:30 UTC
+++ intern/cycles/CMakeLists.txt
@@ -260,9 +260,9 @@ if(WITH_CYCLES_DEBUG)
   add_definitions(-DWITH_CYCLES_DEBUG)
 endif()
 
-if(NOT OPENIMAGEIO_PUGIXML_FOUND)
+#if(NOT OPENIMAGEIO_PUGIXML_FOUND)
   add_definitions(-DWITH_SYSTEM_PUGIXML)
-endif()
+#endif()
 
 include_directories(
   SYSTEM