--- python/config/Make.rules.orig	2018-04-20 15:02:08 UTC
+++ python/config/Make.rules
@@ -12,7 +12,8 @@
 # version to be used for building the Ice extension, set PYTHON to the
 # location of the python interpreter.
 #
-PYTHON              ?= python
+PYTHON              = %%PYTHON_CMD%%
+slice2py_path       = $(localbase)/bin/slice2py
 
 # ----------------------------------------------------------------------
 # Don't change anything below this line!
@@ -46,7 +47,7 @@ python_cppflags         := $(filter-out 
 #
 # Python installation directory
 #
-install_pythondir       = $(if $(usr_dir_install),$(shell $(PYTHON) $(lang_srcdir)/config/install_dir),$(prefix)/python)
+install_pythondir	= %%PYTHON_SITELIBDIR%%
 
 #
 # Rules to build a python module. We just compute the name of the python module