Don't be too complicated.

There is actually no reason to use distutils.sysconfig at all,
plain sysconfig works even on 2.7.

Author: mcepl

Makefile

@@ -42,9 +42,10 @@ PY_BIN  := python3
 VERSION := $(shell cd src;$(PY_BIN) -c "from setup_common import *; print(get_version());")
 PACKAGE := python-dmidecode
 PY_VER  := $(shell $(PY_BIN) -c 'import sys; print("%d.%d"%sys.version_info[0:2])')
+PY_VER_DL := $(shell echo $(PY_VER) | tr -d '.')
 PY_MV   := $(shell echo $(PY_VER) | cut -b 1)
 PY      := python$(PY_VER)
-SO_PATH := build/lib.linux-$(shell uname -m)-$(PY_VER)
+SO_PATH := build/lib.linux-$(shell uname -m)-cpython-$(PY_VER_DL)
 ifeq ($(PY_MV),2)
 	SO  := $(SO_PATH)/dmidecodemod.so
 else

src/setup_common.py

@@ -30,12 +30,7 @@
 if sys.version_info[0] < 3:
     import commands as subprocess
 from os import path as os_path
-try:
-    from distutils.sysconfig import get_python_lib, get_config_var
-    __python_lib = get_python_lib(1)
-except ImportError:
-    from sysconfig import get_config_var, get_path
-    __python_lib = get_path('platlib')
+from sysconfig import get_config_var, get_path
 
 # libxml2 - C flags
 def libxml2_include(incdir):
@@ -55,7 +50,7 @@ def libxml2_include(incdir):
 
 # libxml2 - library flags
 def libxml2_lib(libdir, libs):
-    libdir.append(__python_lib)
+    libdir.append(get_path('platlib'))
     if os_path.exists("/etc/debian_version"): #. XXX: Debian Workaround...
         libdir.append("/usr/lib/pymodules/python%d.%d"%sys.version_info[0:2])