--- work/OpenSubdiv-3_2_0/documentation/CMakeLists.txt.orig	2017-07-07 01:16:15 UTC
+++ documentation/CMakeLists.txt
@@ -254,7 +254,7 @@ if (DOCUTILS_FOUND AND PYTHONINTERP_FOUN
                 -E copy "${infile}" "${outfile}"
         )
 
-        add_custom_target( ${src} DEPENDS "${outfile}")
+        #add_custom_target( ${src} DEPENDS "${outfile}")
 
         list(APPEND HTML_TARGETS ${src})