diff --git a/config-hash-table-implementaion.h.cmake b/config-hash-table-implementaion.h.cmake
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index 0000000000..9d54b506f0
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+++ b/config-hash-table-implementaion.h.cmake
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+/* config-hash-table-implementation.h.  Generated by cmake from config-hash-table-implementation.h.cmake */
+
+/* Define if you have ocio, the OpenColorIO Library */
+#cmakedefine USE_LOCK_FREE_HASH_TABLE 1