wait a second that's not what's going on with sysconfigdataHook

Notes.rst

@@ -103,7 +103,10 @@
 
                     addEnvHooks "$hostOffset" sysconfigdataHook
 
-		* This runs after the fixup phase (very late in the build) and sets a couple environment variables pointing at the correct *host* Python sysconfig data.
+		* In postFixup (after build, before install) sysconfigdataHook is added as a $hostOffset env hook.
+		  This means ... ??????????????????????
+
+		* Some observations
 		* On a native build
 		  * buildPhase started
 		  * lots of core compiling
@@ -135,12 +138,12 @@
 
 			* The exact string might not really matter, we just need it to agree.
 			  Where is the multiarch suffix going?
+			  Or who is setting this unrelated value?
 
+			* overrideAttrs ``NIX_DEBUG = "6"``; into the derivation for extremely verbose output ...
 
-		      * The nixpkgs expression does not result in this string
-			(by inspection with builtins.trace)
-
-
+		    * The nixpkgs expression does not result in this string
+		      (by inspection with builtins.trace)
 
 	    * python-cryptography
 	    * python-challenge-bypass-ristretto