diff --git a/scripts/generate_oxr_ext_support.py b/scripts/generate_oxr_ext_support.py
index 40137f795..752fea21e 100755
--- a/scripts/generate_oxr_ext_support.py
+++ b/scripts/generate_oxr_ext_support.py
@@ -5,6 +5,28 @@
 
 from pathlib import Path
 
+def _add_defined(s):
+    if "defined" in s:
+        return s
+    return "defined({})".format(s)
+
+def or_(*args):
+    """
+    Create an "OR" in the definition condition list.
+
+    Takes any number of strings directly or through e.g. "not_".
+    """
+    return "({})".format(" || ".join(_add_defined(s) for s in args))
+
+
+def not_(s):
+    """
+    Create a "NOT" in the condition list.
+
+    Takes a single string, directly or through e.g. "or_".
+    """
+    return "(!{})".format(_add_defined(s))
+
 # Each extension that we implement gets an entry in this tuple.
 # Each entry should be a list of defines that are checked for an extension:
 # the first one must be the name of the extension itself.
@@ -42,30 +64,6 @@ EXTENSIONS = (
 )
 
 
-def or_(*args):
-    """
-    Create an "OR" in the definition condition list.
-
-    Takes any number of strings directly or through e.g. "not_".
-    """
-    return "({})".format(" || ".join(_add_defined(s) for s in args))
-
-
-def not_(s):
-    """
-    Create a "NOT" in the condition list.
-
-    Takes a single string, directly or through e.g. "or_".
-    """
-    return "(!{})".format(_add_defined(s))
-
-
-def _add_defined(s):
-    if "defined" in s:
-        return s
-    return "defined({})".format(s)
-
-
 ROOT = Path(__file__).resolve().parent.parent
 FN = ROOT / 'src' / 'xrt'/'state_trackers' / 'oxr' / 'oxr_extension_support.h'