diff -r c499cc2c4a06 Lib/sysconfig.py
--- a/Lib/sysconfig.py	Sat Aug 30 00:37:18 2014 +0200
+++ b/Lib/sysconfig.py	Sat Aug 30 21:48:01 2014 +0300
@@ -20,28 +20,38 @@
 
 _INSTALL_SCHEMES = {
     'posix_prefix': {
-        'stdlib': '{installed_base}/lib/python{py_version_short}',
-        'platstdlib': '{platbase}/lib/python{py_version_short}',
-        'purelib': '{base}/lib/python{py_version_short}/site-packages',
-        'platlib': '{platbase}/lib/python{py_version_short}/site-packages',
+        'stdlib': '{installed_base}/lib/{implementation_lower}{py_version_short}',
+        'platstdlib': '{platbase}/lib/{implementation_lower}{py_version_short}',
+        'purelib': '{base}/lib/{implementation_lower}{py_version_short}/site-packages',
+        'platlib': '{platbase}/lib/{implementation_lower}{py_version_short}/site-packages',
         'include':
-            '{installed_base}/include/python{py_version_short}{abiflags}',
+            '{installed_base}/include/{implementation_lower}{py_version_short}{abiflags}',
         'platinclude':
-            '{installed_platbase}/include/python{py_version_short}{abiflags}',
+            '{installed_platbase}/include/{implementation_lower}{py_version_short}{abiflags}',
         'scripts': '{base}/bin',
         'data': '{base}',
         },
     'posix_home': {
-        'stdlib': '{installed_base}/lib/python',
-        'platstdlib': '{base}/lib/python',
-        'purelib': '{base}/lib/python',
-        'platlib': '{base}/lib/python',
-        'include': '{installed_base}/include/python',
-        'platinclude': '{installed_base}/include/python',
+        'stdlib': '{installed_base}/lib/{implementation_lower}',
+        'platstdlib': '{base}/lib/{implementation_lower}',
+        'purelib': '{base}/lib/{implementation_lower}',
+        'platlib': '{base}/lib/{implementation_lower}',
+        'include': '{installed_base}/include/{implementation_lower}',
+        'platinclude': '{installed_base}/include/{implementation_lower}',
         'scripts': '{base}/bin',
         'data': '{base}',
         },
-    'nt': {
+    'pypy': {
+        'stdlib': '{base}/lib-{implementation_lower}/{py_version_short}',
+        'platstdlib': '{base}/lib-{implementation_lower}/{py_version_short}',
+        'purelib': '{base}/lib-{implementation_lower}/{py_version_short}',
+        'platlib': '{base}/lib-{implementation_lower}/{py_version_short}',
+        'include': '{base}/include',
+        'platinclude': '{base}/include',
+        'scripts': '{base}/bin',
+        'data'   : '{base}',
+        },
+     'nt': {
         'stdlib': '{installed_base}/Lib',
         'platstdlib': '{base}/Lib',
         'purelib': '{base}/Lib/site-packages',
@@ -52,28 +62,28 @@
         'data': '{base}',
         },
     'nt_user': {
-        'stdlib': '{userbase}/Python{py_version_nodot}',
-        'platstdlib': '{userbase}/Python{py_version_nodot}',
-        'purelib': '{userbase}/Python{py_version_nodot}/site-packages',
-        'platlib': '{userbase}/Python{py_version_nodot}/site-packages',
-        'include': '{userbase}/Python{py_version_nodot}/Include',
+        'stdlib': '{userbase}/{implementation}{py_version_nodot}',
+        'platstdlib': '{userbase}/{implementation}{py_version_nodot}',
+        'purelib': '{userbase}/{implementation}{py_version_nodot}/site-packages',
+        'platlib': '{userbase}/{implementation}{py_version_nodot}/site-packages',
+        'include': '{userbase}/{implementation}{py_version_nodot}/Include',
         'scripts': '{userbase}/Scripts',
         'data': '{userbase}',
         },
     'posix_user': {
-        'stdlib': '{userbase}/lib/python{py_version_short}',
-        'platstdlib': '{userbase}/lib/python{py_version_short}',
-        'purelib': '{userbase}/lib/python{py_version_short}/site-packages',
-        'platlib': '{userbase}/lib/python{py_version_short}/site-packages',
-        'include': '{userbase}/include/python{py_version_short}',
+        'stdlib': '{userbase}/lib/{implementation_lower}{py_version_short}',
+        'platstdlib': '{userbase}/lib/{implementation_lower}{py_version_short}',
+        'purelib': '{userbase}/lib/{implementation_lower}{py_version_short}/site-packages',
+        'platlib': '{userbase}/lib/{implementation_lower}{py_version_short}/site-packages',
+        'include': '{userbase}/include/{implementation_lower}{py_version_short}',
         'scripts': '{userbase}/bin',
         'data': '{userbase}',
         },
     'osx_framework_user': {
-        'stdlib': '{userbase}/lib/python',
-        'platstdlib': '{userbase}/lib/python',
-        'purelib': '{userbase}/lib/python/site-packages',
-        'platlib': '{userbase}/lib/python/site-packages',
+        'stdlib': '{userbase}/lib/{implementation_lower}',
+        'platstdlib': '{userbase}/lib/{implementation_lower}',
+        'purelib': '{userbase}/lib/{implementation_lower}/site-packages',
+        'platlib': '{userbase}/lib/{implementation_lower}/site-packages',
         'include': '{userbase}/include',
         'scripts': '{userbase}/bin',
         'data': '{userbase}',
@@ -178,6 +188,8 @@
 
 
 def _get_default_scheme():
+    if '__pypy__' in sys.builtin_module_names:
+        return 'pypy'
     if os.name == 'posix':
         # the default scheme for posix is posix_prefix
         return 'posix_prefix'
@@ -211,6 +223,12 @@
     else:
         return joinuser("~", ".local")
 
+def _get_implementation():
+    if '__pypy__' in sys.builtin_module_names:
+        return 'PyPy'
+    return 'Python'
+
+def _safe_realpath(path):
 
 def _parse_makefile(filename, vars=None):
     """Parse a Makefile-style file.
@@ -526,6 +544,8 @@
         _CONFIG_VARS['installed_platbase'] = _BASE_EXEC_PREFIX
         _CONFIG_VARS['platbase'] = _EXEC_PREFIX
         _CONFIG_VARS['projectbase'] = _PROJECT_BASE
+        _CONFIG_VARS['implementation'] = _get_implementation()
+        _CONFIG_VARS['implementation_lower'] = _get_implementation().lower()
         try:
             _CONFIG_VARS['abiflags'] = sys.abiflags
         except AttributeError: