--- python/config/Make.rules.orig	2023-11-06 09:24:19 UTC
+++ python/config/Make.rules
@@ -7,7 +7,8 @@
 # version to be used for building the Ice extension, set PYTHON to the
 # location of the python interpreter.
 #
-PYTHON              ?= python3
+PYTHON              = %%PYTHON_CMD%%
+slice2py_path       = $(localbase)/bin/slice2py
 
 # ----------------------------------------------------------------------
 # Don't change anything below this line!
@@ -58,7 +59,7 @@ python_cppflags         := $(filter-out -Wunreachable-
 #
 # Python installation directory
 #
-install_pythondir       = $(or $(PYTHON_INSTALLDIR),$(shell $(PYTHON) $(lang_srcdir)/config/install_dir $(prefix)))
+install_pythondir	= %%PYTHON_SITELIBDIR%%
 
 #
 # Rules to build a python module. We just compute the name of the python module
