diff -Naur a/Include/pymath.h b/Include/pymath.h
--- a/Include/pymath.h	2008-08-19 21:42:13.000000000 +0000
+++ b/Include/pymath.h	2009-03-01 04:37:26.000000000 +0000
@@ -102,6 +102,8 @@
  *    it really can't be implemented correctly (& easily) before C99.
  *    Override in pyconfig.h if you have a better spelling on your platform.
  * Note: PC/pyconfig.h defines Py_IS_INFINITY as _isinf
+ * FIXME: PC/pyconfig.h defines Py_IS_INFINITY as (!_finite(X) && !_isnan(X))
+ * so that above note isn't correct !!!
  */
 #ifndef Py_IS_INFINITY
 #ifdef HAVE_ISINF
diff -Naur a/Include/pyport.h b/Include/pyport.h
--- a/Include/pyport.h	2009-01-16 04:13:17.000000000 +0000
+++ b/Include/pyport.h	2009-03-01 12:31:57.159139480 +0000
@@ -460,6 +460,126 @@
 #endif /* defined(HAVE_OPENPTY) || defined(HAVE_FORKPTY) */
 
 
+#ifdef __MINGW32__
+/* FIXME: some of next definitions specific to gcc(mingw build) can be
+   generalized on definitions of _WIN32 or WIN32 and to be common for
+   all windows build instead explicitly to define only for non-autotools
+   based builds (see PC/pyconfig.h for details). */
+#if defined(_WIN64)
+#  define MS_WIN64
+#endif
+#if !defined(MS_WIN32) && defined(_WIN32)
+#  define MS_WIN32
+#endif
+#if !defined(MS_WIN32) && defined(_WIN32)
+#  define MS_WIN32
+#endif
+#if !defined(MS_WINDOWS) && defined(MS_WIN32)
+#  define MS_WINDOWS
+#endif
+
+#ifndef PYTHONPATH
+#  define PYTHONPATH ".\\Lib;.\\DLLs;.\\lib;.\\lib\\plat-win;.\\lib\\lib-tk"
+#endif
+
+/* python 2.6+ requires Windows 2000 or greater. */
+#define Py_WINVER 0x0500
+
+#if defined(Py_BUILD_CORE) || defined(Py_BUILD_CORE_MODULE)
+/* FIXME if NTDDI_xxx is in use by mingw (see PC/pyconfig.h) */
+#ifndef WINVER
+#  define WINVER Py_WINVER
+#endif
+#ifndef _WIN32_WINNT
+#  define _WIN32_WINNT Py_WINVER
+#endif
+#endif
+
+#ifdef PLATFORM
+/*NOTE: if compile getplatform.c PLATFORM is set to MACHDEP that is
+  "win" for mingw build (see respective comment in configure.in). */
+# undef PLATFORM
+#endif
+/* always set to "win32" - see PC/pyconfig.h */
+#define PLATFORM "win32"
+
+#if defined(MS_WIN64)
+#  define SIZEOF_HKEY 8
+#elif defined(MS_WIN32)
+#  define SIZEOF_HKEY 4
+#endif
+
+/*NOTE: mingw has isinf as macro defined in math.h.
+  Since PC/pyconfig.h define Py_IS_INFINITY(X) that cover HAVE_DECL_ISFINITE
+  here for Py_IS_INFINITY we define same as for MSVC build.
+  This makes HAVE_DECL_ISFINITE needless.
+  Also see commants in configure.in and pymath.h. */
+#define Py_IS_INFINITY(X) (!_finite(X) && !_isnan(X))
+
+#ifndef HAVE_LARGEFILE_SUPPORT
+/*
+  FIXME: on windows platforms:
+   - Python use PY_LONG_LONG(!) for Py_off_t (_fileio.c);
+   - HAVE_LARGEFILE_SUPPORT is defined in PC/pyconfig.h;
+   - PC/pyconfig.h define 4 for SIZEOF_OFF_T and 8 for SIZEOF_FPOS_T;
+   - If HAVE_LARGEFILE_SUPPORT isn't defined python will use off_t(!)
+   for Py_off_t (see fileobjects.c and bz2module.c).
+  Since for mingw configure detect 4 for size of "off_t" and 8 - for
+  "fpos_t" we has to define HAVE_LARGEFILE_SUPPORT too.
+  TODO: to test with AC_SYS_LARGEFILE and appropriate updates in
+  python code.
+*/
+#  define HAVE_LARGEFILE_SUPPORT
+#endif
+
+#if defined(Py_ENABLE_SHARED)
+#  define MS_COREDLL 1 /* deprecated old symbol, but still in use for windows code */
+#else
+#  define MS_NO_COREDLL 1
+#endif
+
+#if Py_UNICODE_SIZE == 2
+/* For mingw is 2 but FIXME: What about to raise error in configure if
+   unicode size isn't two ? Did python windows code support ucs4 ? */
+#  define Py_WIN_WIDE_FILENAMES
+#endif
+
+/* NOTE: Don't define HAVE_STDDEF_H.
+ * It is defined by PC/pyconfig.h and used by Include/Python.h
+ * (with comment For size_t?) but isn't required for mingw  */
+#define Py_SOCKET_FD_CAN_BE_GE_FD_SETSIZE
+
+/* All other defines from PC/pyconfig.h are in autoconf generated
+   pyconfig.h */
+#if 0
+/*FIXME:
+  MSDN:
+    "The getaddrinfo function was added to the ws2_32.dll on Windows XP
+    and later."
+  mingw:
+    getaddrinfo and getnameinfo is defined for WINVER >= 0x0501.
+  PC/pyconfig.h:
+    "Python 2.6+ requires Windows 2000 or greater"
+  So far so good but socketmodule.h define HAVE_GETADDRINFO and
+  HAVE_GETNAMEINFO under very specific condition :
+    # ifdef SIO_GET_MULTICAST_FILTER
+    #  include <MSTcpIP.h>
+  So the question is "Separate SDKs" required for w2k in MSVC build ?
+  TODO: resolve later, may by configure :-/. For now python code will
+  use fake implementation and if user define appropriate value for
+  WINVER - the functionas from C runtime.
+  For details see socketmodule.c .
+  */
+#ifndef HAVE_GETADDRINFO
+#  define HAVE_GETADDRINFO
+#endif
+#ifndef HAVE_GETNAMEINFO
+#  define HAVE_GETNAMEINFO
+#endif
+#endif
+
+#endif /*def __MINGW32__*/
+
 /* On 4.4BSD-descendants, ctype functions serves the whole range of
  * wchar_t character set rather than single byte code points only.
  * This characteristic can break some operations of string object
@@ -506,10 +626,10 @@
 /*
   All windows ports, except cygwin, are handled in PC/pyconfig.h.
 
-  Cygwin is the only other autoconf platform requiring special
-  linkage handling and it uses __declspec().
+  BeOS, mingw32 and cygwin use autoconf and require special
+  linkage handling and all of these use __declspec().
 */
-#if defined(__CYGWIN__)
+#if defined(__CYGWIN__) || defined(__MINGW32__) || defined(__BEOS__)
 #	define HAVE_DECLSPEC_DLL
 #endif
 
@@ -527,13 +647,22 @@
 #				define PyMODINIT_FUNC PyObject*
 #			endif /* __CYGWIN__ */
 #		else /* Py_BUILD_CORE */
+			/* FIXME: FAQ.html#3.24 link below is no longer valid */
 			/* Building an extension module, or an embedded situation */
 			/* public Python functions and data are imported */
 			/* Under Cygwin, auto-import functions to prevent compilation */
 			/* failures similar to http://python.org/doc/FAQ.html#3.24 */
-#			if !defined(__CYGWIN__)
+#			if !defined(__CYGWIN__) && !defined(__MINGW32__)
 #				define PyAPI_FUNC(RTYPE) __declspec(dllimport) RTYPE
-#			endif /* !__CYGWIN__ */
+#			else
+#				define PyAPI_FUNC(RTYPE) RTYPE
+#			endif /* !__CYGWIN__  !__MINGW32__ */
+			/* NOTE: The issue3945 "compile error in _fileio.c (cygwin)"
+			 * was resolved with modification of code.
+			 * This issue was resolved for gcc(mingw) with enabling auto
+			 * import feature. Since _fileio.c problem now disappear there
+			 * is no more reasons to avoid dllimport for gcc(mingw).
+			 */
 #			define PyAPI_DATA(RTYPE) extern __declspec(dllimport) RTYPE
 			/* module init functions outside the core must be exported */
 #			if defined(__cplusplus)
diff -Naur a/Lib/ctypes/test/test_as_parameter.py b/Lib/ctypes/test/test_as_parameter.py
--- a/Lib/ctypes/test/test_as_parameter.py	2007-05-03 21:05:51.000000000 +0000
+++ b/Lib/ctypes/test/test_as_parameter.py	2009-03-01 04:37:26.000000000 +0000
@@ -1,6 +1,7 @@
 import unittest
 from ctypes import *
 import _ctypes_test
+import sys
 
 dll = CDLL(_ctypes_test.__file__)
 
@@ -171,6 +172,11 @@
         self.failUnlessEqual((s2h.x, s2h.y), (99*2, 88*3))
 
     def test_struct_return_8H(self):
+        if sys.version.find("mingw") >= 0:
+            # This is known cdecl incompatibility between GCC
+            # and MSVC. It is addressed in GCC issue #36834.
+            # Python libffi detect it and complain.
+            return
         class S8I(Structure):
             _fields_ = [("a", c_int),
                         ("b", c_int),
diff -Naur a/Lib/ctypes/test/test_functions.py b/Lib/ctypes/test/test_functions.py
--- a/Lib/ctypes/test/test_functions.py	2007-11-02 23:46:40.000000000 +0000
+++ b/Lib/ctypes/test/test_functions.py	2009-03-01 04:37:26.000000000 +0000
@@ -359,6 +359,11 @@
             self.failUnlessEqual((s2h.x, s2h.y), (99*2, 88*3))
 
     def test_struct_return_8H(self):
+        if sys.version.find("mingw") >= 0:
+            # This is known cdecl incompatibility between GCC
+            # and MSVC. It is addressed in GCC issue #36834.
+            # Python libffi detect it and complain.
+            return
         class S8I(Structure):
             _fields_ = [("a", c_int),
                         ("b", c_int),
diff -Naur a/Lib/ctypes/util.py b/Lib/ctypes/util.py
--- a/Lib/ctypes/util.py	2009-01-10 22:42:12.000000000 +0000
+++ b/Lib/ctypes/util.py	2009-03-01 04:37:26.000000000 +0000
@@ -4,6 +4,11 @@
 if os.name == "nt":
 
     def _get_build_version():
+        #***********************************************************
+        # NOTE: As example for GCC(mingw) build sys.version return:
+        # 2.6rc2+ (trunk:<REVISION>M, <DATE>, <TIME>)
+        # [GCC 3.4.5 (mingw special)]
+        #***********************************************************
         """Return the version of MSVC that was used to build Python.
 
         For Python 2.3 and up, the version number is included in
@@ -27,6 +32,15 @@
         return None
 
     def find_msvcrt():
+        #************************************************************
+        # FIXME: For gcc(mingw) runtime don't depend from compiler
+        # version ;). We may use -D__MSVCRT_VERSION__ to detect which
+        # verion is requested by user, but the name of the library
+        # to be default.
+        # As example WXP is with version 7.0 of msvcrt.dll.
+        # Anyway since _get_build_version return 6 in most(standard)
+        # cases this method will return msvcrt{d}. May be not so bad.
+        #************************************************************
         """Return the name of the VC runtime dll"""
         version = _get_build_version()
         if version is None:
diff -Naur a/Lib/distutils/ccompiler.py b/Lib/distutils/ccompiler.py
--- a/Lib/distutils/ccompiler.py	2008-12-21 00:55:55.000000000 +0000
+++ b/Lib/distutils/ccompiler.py	2009-03-01 04:37:25.000000000 +0000
@@ -1022,6 +1022,8 @@
         osname = os.name
     if platform is None:
         platform = sys.platform
+    if osname == "nt" and sys.version.find('mingw') >= 0:
+        return 'mingw32'
     for pattern, compiler in _default_compilers:
         if re.match(pattern, platform) is not None or \
            re.match(pattern, osname) is not None:
diff -Naur a/Lib/distutils/command/build_ext.py b/Lib/distutils/command/build_ext.py
--- a/Lib/distutils/command/build_ext.py	2009-02-05 22:58:41.000000000 +0000
+++ b/Lib/distutils/command/build_ext.py	2009-03-01 04:37:25.000000000 +0000
@@ -16,7 +16,8 @@
 from distutils.util import get_platform
 from distutils import log
 
-if os.name == 'nt':
+# GCC(mingw): os.name is "nt" but build system is posix
+if os.name == 'nt' and sys.version.find('mingw') < 0:
     from distutils.msvccompiler import get_build_version
     MSVC_VERSION = int(get_build_version())
 
@@ -177,7 +178,8 @@
         # for extensions under windows use different directories
         # for Release and Debug builds.
         # also Python's library directory must be appended to library_dirs
-        if os.name == 'nt':
+        # GCC(mingw): os.name is "nt" but build system is posix
+        if os.name == 'nt' and sys.version.find('mingw') < 0:
             # the 'libs' directory is for binary installs - we assume that
             # must be the *native* platform.  But we don't really support
             # cross-compiling via a binary install anyway, so we let it go.
@@ -219,7 +221,7 @@
 
         # for extensions under Cygwin and AtheOS Python's library directory must be
         # appended to library_dirs
-        if sys.platform[:6] == 'cygwin' or sys.platform[:6] == 'atheos':
+        if sys.platform[:6] == 'cygwin' or sys.platform[:6] == 'atheos' or sys.version.find('mingw') >= 0:
             if sys.executable.startswith(os.path.join(sys.exec_prefix, "bin")):
                 # building third party extensions
                 self.library_dirs.append(os.path.join(sys.prefix, "lib",
@@ -669,6 +671,35 @@
         # pyconfig.h that MSVC groks.  The other Windows compilers all seem
         # to need it mentioned explicitly, though, so that's what we do.
         # Append '_d' to the python import library on debug builds.
+
+        # FIXME: What is purpose of code below ?
+        # The posix build system khow requred libraries to build a module.
+        # The libraries are stored in config(Makefile) variables BLDLIBRARY,
+        # MODLIBS and SHLIBS. Note that some variables may contain linker
+        # flags.
+        # NOTE: For now we will check only GCC(mingw) compiler as is clear
+        # that we build for windows platfrom.
+        # The code for GCC(mingw) is not correct but this is distutils
+        # limitation - we has to pass variables to the linker as is
+        # instead only library names.
+        from distutils.cygwinccompiler import Mingw32CCompiler
+        if isinstance(self.compiler, Mingw32CCompiler):
+            from distutils import sysconfig
+            template = "python%s"
+            if self.debug:
+                template = template + '_d'
+            extra = [(template % (sysconfig.get_config_var('VERSION')))]
+            for lib in sysconfig.get_config_var('BLDLIBRARY').split():
+                if lib.startswith('-l'):
+                    extra.append(lib[2:])
+            for lib in sysconfig.get_config_var('MODLIBS').split():
+                if lib.startswith('-l'):
+                    extra.append(lib[2:])
+            for lib in sysconfig.get_config_var('SHLIBS').split():
+                if lib.startswith('-l'):
+                    extra.append(lib[2:])
+            return ext.libraries + extra
+
         if sys.platform == "win32":
             from distutils.msvccompiler import MSVCCompiler
             if not isinstance(self.compiler, MSVCCompiler):
diff -Naur a/Lib/distutils/cygwinccompiler.py b/Lib/distutils/cygwinccompiler.py
--- a/Lib/distutils/cygwinccompiler.py	2008-08-19 18:57:56.000000000 +0000
+++ b/Lib/distutils/cygwinccompiler.py	2009-03-01 05:11:34.000000000 +0000
@@ -58,6 +58,18 @@
     """Include the appropriate MSVC runtime library if Python was built
     with MSVC 7.0 or later.
     """
+    # FIXME: next code is from issue870382
+    # MS C-runtime libraries never support backward compatibility.
+    # Linking to a different library without to specify correct runtime
+    # version for the headers will link renamed functions to msvcrt.
+    # See issue3308: this piece of code is python problem even
+    # with correct w32api headers.
+    # Issue: for MSVC compiler we can get the version and from version
+    # to determine mcvcrt as code below. But what about if python is
+    # build with GCC compiler?
+    # Output of sys.version is information for python build on first
+    # line, on the next line is information for the compiler and the
+    # output lack information for the C-runtime.
     msc_pos = sys.version.find('MSC v.')
     if msc_pos != -1:
         msc_ver = sys.version[msc_pos+6:msc_pos+10]
@@ -75,6 +87,8 @@
             return ['msvcr90']
         else:
             raise ValueError("Unknown MS Compiler version %i " % msc_Ver)
+    else:
+        return []
 
 
 class CygwinCCompiler (UnixCCompiler):
@@ -83,6 +97,9 @@
     obj_extension = ".o"
     static_lib_extension = ".a"
     shared_lib_extension = ".dll"
+    # FIXME: dylib_... = ".dll.a" is not enought for binutils
+    # loader on win32 platform !!!
+    dylib_lib_extension = ".dll.a"
     static_lib_format = "lib%s%s"
     shared_lib_format = "%s%s"
     exe_extension = ".exe"
@@ -101,6 +118,10 @@
                 "Compiling may fail because of undefined preprocessor macros."
                 % details)
 
+        # Next line of code is problem for cross-compiled enviroment:
+        # NOTE: GCC cross-compiler is prefixed by the <host-triplet>-
+        # and by default binaries are installed in same directory
+        # as native compiler.
         self.gcc_version, self.ld_version, self.dllwrap_version = \
             get_versions()
         self.debug_print(self.compiler_type + ": gcc %s, ld %s, dllwrap %s\n" %
@@ -125,6 +146,9 @@
         else:
             shared_option = "-mdll -static"
 
+        # FIXME:
+        # Hard-code may override unix-compiler settings and isn't
+        # possible to use Makefile variables to pass correct flags !
         # Hard-code GCC because that's what this is all about.
         # XXX optimization, warnings etc. should be customizable.
         self.set_executables(compiler='gcc -mcygwin -O -Wall',
@@ -269,11 +293,19 @@
         if output_dir is None: output_dir = ''
         obj_names = []
         for src_name in source_filenames:
-            # use normcase to make sure '.rc' is really '.rc' and not '.RC'
-            (base, ext) = os.path.splitext (os.path.normcase(src_name))
+            # FIXME: "bogus checks for suffix" - as example the commented
+            # by #BOGUS# code break valid assembler suffix ".S" !
+            #BOGUS## use normcase to make sure '.rc' is really '.rc' and not '.RC'
+            #BOGUS#(base, ext) = os.path.splitext (os.path.normcase(src_name))
+            (base, ext) = os.path.splitext (src_name)
+            ext_normcase = os.path.normcase(ext)
+            if ext_normcase in ['.rc','.res']:
+                ext = ext_normcase
             if ext not in (self.src_extensions + ['.rc','.res']):
                 raise UnknownFileError("unknown file type '%s' (from '%s')" % \
                       (ext, src_name))
+            base = os.path.splitdrive(base)[1] # Chop off the drive
+            base = base[os.path.isabs(base):]  # If abs, chop off leading /
             if strip_dir:
                 base = os.path.basename (base)
             if ext == '.res' or ext == '.rc':
diff -Naur a/Lib/distutils/sysconfig.py b/Lib/distutils/sysconfig.py
--- a/Lib/distutils/sysconfig.py	2009-02-10 12:41:19.000000000 +0000
+++ b/Lib/distutils/sysconfig.py	2009-03-01 04:37:25.000000000 +0000
@@ -70,7 +70,8 @@
     """
     if prefix is None:
         prefix = plat_specific and EXEC_PREFIX or PREFIX
-    if os.name == "posix":
+    # GCC(mingw): os.name is "nt" but build system is posix
+    if os.name == "posix" or sys.version.find('mingw') >= 0:
         if python_build:
             base = os.path.dirname(os.path.abspath(sys.executable))
             if plat_specific:
@@ -196,7 +197,8 @@
 def get_config_h_filename():
     """Return full pathname of installed pyconfig.h file."""
     if python_build:
-        if os.name == "nt":
+        # GCC(mingw): os.name is "nt" but build system is posix
+        if os.name == "nt" and sys.version.find('mingw') < 0:
             inc_dir = os.path.join(project_base, "PC")
         else:
             inc_dir = project_base
@@ -414,6 +416,11 @@
 
 def _init_nt():
     """Initialize the module as appropriate for NT"""
+    if sys.version.find('mingw') >= 0:
+        # GCC(mingw) use posix build system
+        # FIXME: may be modification has to be in get_config_vars ?
+        _init_posix()
+        return
     g = {}
     # set basic install directories
     g['LIBDEST'] = get_python_lib(plat_specific=0, standard_lib=1)
diff -Naur a/Lib/distutils/version.py b/Lib/distutils/version.py
--- a/Lib/distutils/version.py	2009-01-27 18:31:30.000000000 +0000
+++ b/Lib/distutils/version.py	2009-03-01 13:20:27.890641032 +0000
@@ -338,7 +338,12 @@
         if isinstance(other, str):
             other = LooseVersion(other)
 
-        return cmp(self.version, other.version)
+        if self.version == other.version:
+            return 0 
+        if self.version < other.version:
+            return -1 
+        if self.version > other.version:
+            return 1 
 
 
 # end class LooseVersion
diff -Naur a/Makefile.pre.in b/Makefile.pre.in
--- a/Makefile.pre.in	2009-01-13 22:15:07.000000000 +0000
+++ b/Makefile.pre.in	2009-03-01 04:37:27.000000000 +0000
@@ -179,6 +179,10 @@
 PROFILE_TASK=	$(srcdir)/Tools/pybench/pybench.py -n 2 --with-gc --with-syscheck
 #PROFILE_TASK=	$(srcdir)/Lib/test/regrtest.py
 
+# Don't define HOST_OS as makefile variable !
+@CROSS_ON@RUNPYTHON=	HOST_OS=@HOST_OS@ @SYSPYTHON@
+@CROSS_OFF@RUNPYTHON=	$(RUNSHARED) ./$(BUILDPYTHON)
+
 # === Definitions added by makesetup ===
 
 
@@ -186,7 +190,7 @@
 # Modules
 MODULE_OBJS=	\
 		Modules/config.o \
-		Modules/getpath.o \
+		@MODULE_GETPATH@ \
 		Modules/main.o \
 		Modules/gcmodule.o
 
@@ -258,7 +262,7 @@
 		Python/codecs.o \
 		Python/errors.o \
 		Python/frozen.o \
-		Python/frozenmain.o \
+		@PYTHON_OBJS_FROZENMAIN@ \
 		Python/future.o \
 		Python/getargs.o \
 		Python/getcompiler.o \
@@ -501,6 +505,7 @@
 		$(srcdir)/Modules/getbuildinfo.c
 	$(CC) -c $(PY_CFLAGS) -DSVNVERSION=\"`LC_ALL=C $(SVNVERSION)`\" -o $@ $(srcdir)/Modules/getbuildinfo.c
 
+# default sys.path calculations
 Modules/getpath.o: $(srcdir)/Modules/getpath.c Makefile
 	$(CC) -c $(PY_CFLAGS) -DPYTHONPATH='"$(PYTHONPATH)"' \
 		-DPREFIX='"$(prefix)"' \
@@ -509,10 +514,15 @@
 		-DVPATH='"$(VPATH)"' \
 		-o $@ $(srcdir)/Modules/getpath.c
 
+# default sys.path calculations for windows platforms
+PC/getpathp.o: $(srcdir)/PC/getpathp.c
+	$(CC) -c $(PY_CFLAGS) -o $@ $(srcdir)/PC/getpathp.c
+
 Modules/python.o: $(srcdir)/Modules/python.c
 	$(MAINCC) -c $(PY_CFLAGS) -o $@ $(srcdir)/Modules/python.c
 
 
+# FIXME: next may fail in cross-compilation environment
 $(GRAMMAR_H) $(GRAMMAR_C): $(PGEN) $(GRAMMAR_INPUT)
 		-@$(INSTALL) -d Include
 		-$(PGEN) $(GRAMMAR_INPUT) $(GRAMMAR_H) $(GRAMMAR_C)
@@ -980,7 +990,7 @@
 # Install the dynamically loadable modules
 # This goes into $(exec_prefix)
 sharedinstall:
-	$(RUNSHARED) ./$(BUILDPYTHON) -E $(srcdir)/setup.py install \
+	$(RUNPYTHON) -E $(srcdir)/setup.py install \
 	   	--prefix=$(prefix) \
 		--install-scripts=$(BINDIR) \
 		--install-platlib=$(DESTSHARED) \
@@ -1058,8 +1068,8 @@
 
 # This installs a few of the useful scripts in Tools/scripts
 scriptsinstall:
-	SRCDIR=$(srcdir) $(RUNSHARED) \
-	./$(BUILDPYTHON) $(srcdir)/Tools/scripts/setup.py install \
+	SRCDIR=$(srcdir) \
+	$(RUNPYTHON) $(srcdir)/Tools/scripts/setup.py install \
 	--prefix=$(prefix) \
 	--install-scripts=$(BINDIR) \
 	--root=/$(DESTDIR)
@@ -1195,7 +1205,7 @@
 
 # Perform some verification checks on any modified files.
 patchcheck:
-	$(RUNSHARED) ./$(BUILDPYTHON) $(srcdir)/Tools/scripts/patchcheck.py
+	$(RUNPYTHON) $(srcdir)/Tools/scripts/patchcheck.py
 
 # Dependencies
 
diff -Naur a/Modules/Setup.config.in b/Modules/Setup.config.in
--- a/Modules/Setup.config.in	2008-05-25 13:05:15.000000000 +0000
+++ b/Modules/Setup.config.in	2009-03-01 13:19:43.208433760 +0000
@@ -9,5 +9,20 @@
 # The signal module
 @USE_SIGNAL_MODULE@signal signalmodule.c
 
+# init system calls(posix/nt/...) for INITFUNC (used by makesetup)
+@INITSYS@ posixmodule.c
+
+# On win32 host(mingw build in MSYS environment) show that site.py
+# fail to load if some modules are not build-in:
+@BUILDIN_WIN32_MODULE@_functools _functoolsmodule.c	# Tools for working with functions and callable objects
+@BUILDIN_WIN32_MODULE@_collections _collectionsmodule.c	
+@BUILDIN_WIN32_MODULE@time timemodule.c	
+@BUILDIN_WIN32_MODULE@operator operator.c	# operator.add() and similar goodies
+@BUILDIN_WIN32_MODULE@_locale _localemodule.c	# -lintl
+@BUILDIN_WIN32_MODULE@winreg ../PC/winreg.c
+@BUILDIN_WIN32_MODULE@msvcrt ../PC/msvcrtmodule.c
+@BUILDIN_WIN32_MODULE@_subprocess ../PC/_subprocess.c
+
+
 # The rest of the modules previously listed in this file are built
 # by the setup.py script in Python 2.1 and later.
diff -Naur a/Modules/Setup.dist b/Modules/Setup.dist
--- a/Modules/Setup.dist	2008-11-27 09:53:28.000000000 +0000
+++ b/Modules/Setup.dist	2009-03-01 04:37:28.000000000 +0000
@@ -105,9 +105,10 @@
 # This only contains the minimal set of modules required to run the 
 # setup.py script in the root of the Python source tree.
 
-posix posixmodule.c		# posix (UNIX) system calls
 errno errnomodule.c		# posix (UNIX) errno values
-pwd pwdmodule.c			# this is needed to find out the user's home dir
+#FIXME: setup.py detect this module along with grp and spwd.
+#FIXME: what about to comment ?
+#pwd pwdmodule.c			# this is needed to find out the user's home dir
 				# if $HOME is not set
 _sre _sre.c			# Fredrik Lundh's new regular expressions
 _codecs _codecsmodule.c		# access to the builtin codecs and codec registry
diff -Naur a/Modules/_ctypes/_ctypes.c b/Modules/_ctypes/_ctypes.c
--- a/Modules/_ctypes/_ctypes.c	2009-02-02 20:41:29.000000000 +0000
+++ b/Modules/_ctypes/_ctypes.c	2009-03-01 04:37:29.000000000 +0000
@@ -3029,14 +3029,32 @@
 	   funcname -> _funcname@<n>
 	   where n is 0, 4, 8, 12, ..., 128
 	 */
+	/* TODO: memory leak for mangled_name
+	 */
 	mangled_name = alloca(strlen(name) + 1 + 1 + 1 + 3); /* \0 _ @ %d */
 	if (!mangled_name)
 		return NULL;
+	/* FIXME: for stdcall decorated export functions MSVC compiler add
+	 * underscore, but GCC compiler create them without.
+	 * As well functions from system libraries are without underscore.
+	 * This is visible by example for _ctypes_test.pyd module.
+	 * Solutions:
+	 * - If a python module is build with gcc option --add-stdcall-alias
+	 * the module will contain XXX as alias for function XXX@ as result
+	 * first search in this method will succeed.
+	 * - Distutil may use compiler to create def-file, to modify it as
+	 * add underscore alias and with new def file to create module.
+	 * - Or may be just to search for function without underscore.
+	 */
 	for (i = 0; i < 32; ++i) {
 		sprintf(mangled_name, "_%s@%d", name, i*4);
 		address = (PPROC)GetProcAddress(handle, mangled_name);
 		if (address)
 			return address;
+		sprintf(mangled_name, "%s@%d", name, i*4);
+		address = (PPROC)GetProcAddress(handle, mangled_name);
+		if (address)
+			return address;
 	}
 	return NULL;
 #endif
diff -Naur a/Modules/_fileio.c b/Modules/_fileio.c
--- a/Modules/_fileio.c	2009-02-02 20:41:29.000000000 +0000
+++ b/Modules/_fileio.c	2009-03-01 04:37:33.000000000 +0000
@@ -22,7 +22,9 @@
 
 #ifdef MS_WINDOWS
 /* can simulate truncate with Win32 API functions; see file_truncate */
+#ifndef HAVE_FTRUNCATE
 #define HAVE_FTRUNCATE
+#endif
 #define WIN32_LEAN_AND_MEAN
 #include <windows.h>
 #endif
diff -Naur a/Modules/_localemodule.c b/Modules/_localemodule.c
--- a/Modules/_localemodule.c	2009-02-01 10:41:18.000000000 +0000
+++ b/Modules/_localemodule.c	2009-03-01 04:37:34.000000000 +0000
@@ -10,6 +10,13 @@
 ******************************************************************/
 
 #include "Python.h"
+#ifdef __MINGW32__
+/* The header libintl.h and library libintl may exist on mingw host.
+ * To be compatible with MSVC build we has to undef some defines.
+ */
+#undef HAVE_LIBINTL_H
+#undef HAVE_BIND_TEXTDOMAIN_CODESET
+#endif
 
 #include <stdio.h>
 #include <locale.h>
diff -Naur a/Modules/cmathmodule.c b/Modules/cmathmodule.c
--- a/Modules/cmathmodule.c	2008-07-16 03:43:04.000000000 +0000
+++ b/Modules/cmathmodule.c	2009-03-01 04:37:33.000000000 +0000
@@ -55,6 +55,21 @@
 static Py_complex c_tanh(Py_complex);
 static PyObject * math_error(void);
 
+#ifndef TANH_PRESERVES_ZERO_SIGN
+#ifdef __MINGW32__
+/* "math" module has a cross-platform atan2() implemenation, but
+ * "cmath" lack it.
+ * Since atan2() is broken on some msvcrt implementations and mingw32
+ * provide a long double version we will use it as work-arround
+ * independently from define of TANH_PRESERVES_ZERO_SIGN.
+ * NOTE: For mingw host configure override always result after check
+ * so that TANH_PRESERVES_ZERO_SIGN is not defined.
+ */
+static double fake_atan2 (double y, double x) { return atan2l (y, x); }
+#define atan2	fake_atan2
+#endif
+#endif /*ndef TANH_PRESERVES_ZERO_SIGN*/
+
 /* Code to deal with special values (infinities, NaNs, etc.). */
 
 /* special_type takes a double and returns an integer code indicating
diff -Naur a/Modules/getaddrinfo.c b/Modules/getaddrinfo.c
--- a/Modules/getaddrinfo.c	2007-02-27 19:06:23.000000000 +0000
+++ b/Modules/getaddrinfo.c	2009-03-01 04:37:29.000000000 +0000
@@ -232,6 +232,9 @@
 	return YES;
 }
 
+#ifndef EAI_BADHINTS
+#  define EAI_BADHINTS EAI_BADFLAGS
+#endif
 int
 getaddrinfo(const char*hostname, const char*servname,
             const struct addrinfo *hints, struct addrinfo **res)
diff -Naur a/Modules/getnameinfo.c b/Modules/getnameinfo.c
--- a/Modules/getnameinfo.c	2007-02-27 19:06:23.000000000 +0000
+++ b/Modules/getnameinfo.c	2009-03-01 04:37:28.000000000 +0000
@@ -48,6 +48,14 @@
 #include "addrinfo.h"
 #endif
 
+#ifndef IN_EXPERIMENTAL
+#define IN_EXPERIMENTAL(i)  (((i) & 0xe0000000U) == 0xe0000000U)
+#endif
+
+#ifndef IN_LOOPBACKNET
+#define IN_LOOPBACKNET	    127
+#endif
+
 #define SUCCESS 0
 #define YES 1
 #define NO  0
diff -Naur a/Modules/mathmodule.c b/Modules/mathmodule.c
--- a/Modules/mathmodule.c	2008-12-21 00:55:55.000000000 +0000
+++ b/Modules/mathmodule.c	2009-03-01 04:37:33.000000000 +0000
@@ -60,6 +60,15 @@
 extern double copysign(double, double);
 #endif
 
+#ifdef __MINGW32__
+/* Since ldexp() is broken on some msvcrt implementations and mingw32
+ * provide a long double version we will use it as work-arround.
+ * Broken ldexp return for ldexp(1., INT_MAX) 0(zero) instead inf.
+ */
+static double fake_ldexp (double x, int expn) { return ldexpl (x, expn); }
+#define ldexp	fake_ldexp
+#endif
+
 /* Call is_error when errno != 0, and where x is the result libm
  * returned.  is_error will usually set up an exception and return
  * true (1), but may return false (0) without setting up an exception.
diff -Naur a/Modules/posixmodule.c b/Modules/posixmodule.c
--- a/Modules/posixmodule.c	2008-12-29 18:23:24.000000000 +0000
+++ b/Modules/posixmodule.c	2009-03-01 04:40:25.000000000 +0000
@@ -128,6 +128,16 @@
 #define HAVE_CWAIT	1
 #define HAVE_FSYNC	1
 #define fsync _commit
+#elif defined(__MINGW32__)	/* GCC (mingw special) compiler */
+/*#define HAVE_GETCWD	1 - detected by configure*/
+#define HAVE_SPAWNV	1
+/*#define HAVE_EXECV	1 - detected by configure*/
+#define HAVE_PIPE	1
+#define HAVE_POPEN	1
+#define HAVE_SYSTEM	1
+#define HAVE_CWAIT	1
+#define HAVE_FSYNC	1
+#define fsync _commit
 #else
 #if defined(PYOS_OS2) && defined(PYCC_GCC) || defined(__VMS)
 /* Everything needed is defined in PC/os2emx/pyconfig.h or vms/pyconfig.h */
@@ -252,7 +262,7 @@
 #endif
 #endif
 
-#ifdef _MSC_VER
+#if defined(_MSC_VER) || defined(__MINGW32__)
 #ifdef HAVE_DIRECT_H
 #include <direct.h>
 #endif
@@ -338,7 +348,7 @@
 */
 #include <crt_externs.h>
 static char **environ;
-#elif !defined(_MSC_VER) && ( !defined(__WATCOMC__) || defined(__QNX__) )
+#elif !defined(_MSC_VER) && !defined(__MINGW32__) && ( !defined(__WATCOMC__) || defined(__QNX__) )
 extern char **environ;
 #endif /* !_MSC_VER */
 
@@ -6618,6 +6628,13 @@
 #endif
 
 #ifdef MS_WINDOWS
+#ifdef __MINGW32__
+/* FIXME: all sample msdn wincrypt programs include this header.
+ * It is required if we use mingw w32api.
+ * Why MSVC builds don't include it ?
+ */
+#  include <wincrypt.h>
+#endif
 
 PyDoc_STRVAR(win32_urandom__doc__,
 "urandom(n) -> str\n\n\
@@ -7340,7 +7357,7 @@
 }
 
 
-#if (defined(_MSC_VER) || defined(__WATCOMC__) || defined(__BORLANDC__)) && !defined(__QNX__)
+#if (defined(_MSC_VER) || defined (__MINGW32__) || defined(__WATCOMC__) || defined(__BORLANDC__)) && !defined(__QNX__)
 #define INITFUNC PyInit_nt
 #define MODNAME "nt"
 
diff -Naur a/Modules/python.c b/Modules/python.c
--- a/Modules/python.c	2008-10-19 14:15:00.000000000 +0000
+++ b/Modules/python.c	2009-03-01 10:54:30.736930752 +0000
@@ -7,7 +7,7 @@
 #include <floatingpoint.h>
 #endif
 
-#ifdef MS_WINDOWS
+#if 0
 int
 wmain(int argc, wchar_t **argv)
 {
diff -Naur a/Modules/selectmodule.c b/Modules/selectmodule.c
--- a/Modules/selectmodule.c	2009-02-02 20:41:29.000000000 +0000
+++ b/Modules/selectmodule.c	2009-03-01 04:37:29.000000000 +0000
@@ -108,9 +108,10 @@
 		v = PyObject_AsFileDescriptor( o );
 		if (v == -1) goto finally;
 
-#if defined(_MSC_VER)
+#if defined(_MSC_VER) || defined(__MINGW32__)
+/* FIXME: why not #ifdef Py_SOCKET_FD_CAN_BE_GE_FD_SETSIZE ? */
 		max = 0;		     /* not used for Win32 */
-#else  /* !_MSC_VER */
+#else  /* !_MSC_VER & !__MINGW32__ */
 		if (v < 0 || v >= FD_SETSIZE) {
 			PyErr_SetString(PyExc_ValueError,
 				    "filedescriptor out of range in select()");
@@ -118,7 +119,7 @@
 		}
 		if (v > max)
 			max = v;
-#endif /* _MSC_VER */
+#endif /* _MSC_VER, __MINGW32__ */
 		FD_SET(v, set);
 
 		/* add object and its file descriptor to the list */
@@ -161,7 +162,8 @@
 	for (j = 0; fd2obj[j].sentinel >= 0; j++) {
 		fd = fd2obj[j].fd;
 		if (FD_ISSET(fd, set)) {
-#ifndef _MSC_VER
+#if !defined(_MSC_VER) && !defined(__MINGW32__)
+/* FIXME: why not #ifndef Py_SOCKET_FD_CAN_BE_GE_FD_SETSIZE ? */
 			if (fd > FD_SETSIZE) {
 				PyErr_SetString(PyExc_SystemError,
 			   "filedescriptor out of range returned in select()");
diff -Naur a/Modules/socketmodule.c b/Modules/socketmodule.c
--- a/Modules/socketmodule.c	2009-02-06 02:50:18.000000000 +0000
+++ b/Modules/socketmodule.c	2009-03-01 04:37:34.000000000 +0000
@@ -90,6 +90,15 @@
 #endif
 
 #include "Python.h"
+#ifndef HAVE_GETPEERNAME
+/* FIXME: see comments in configure.in. Also PC/pyconfig.h define it.
+ * Since only this module use getpeername why don't remove declaration
+ * from PC/pyconfig.h and define here if is defined MS_WIN32 ?
+ */
+#ifdef __MINGW32__
+#  define HAVE_GETPEERNAME
+#endif
+#endif /* ndef HAVE_GETPEERNAME */
 #include "structmember.h"
 
 #undef MAX
@@ -300,6 +309,35 @@
   /* Do not include addrinfo.h for MSVC7 or greater. 'addrinfo' and
    * EAI_* constants are defined in (the already included) ws2tcpip.h.
    */
+#elif defined(__MINGW32__)
+/* FIXME: getaddrinfo(HAVE_GETADDRINFO) depend from WINVER
+   TODO: resolve later(see comments in pyport.h) */
+#if 0
+/* To use getaddrinfo/getnameinfo from runtime for version before 0x0501
+   we has to define those functions (see below).
+   In all cases mingw linker succeed to link binaries.
+   If you enable this code the load of module will fail on w2k
+   with message like this one:
+   "The specified procedure could not be found" */
+#  if (_WIN32_WINNT < 0x0501)
+void WSAAPI freeaddrinfo (struct addrinfo*);
+int WSAAPI getaddrinfo (const char*,const char*,const struct addrinfo*,
+		        struct addrinfo**);
+int WSAAPI getnameinfo(const struct sockaddr*,socklen_t,char*,DWORD,
+		       char*,DWORD,int);
+#  endif
+#  define HAVE_GETADDRINFO
+#  define HAVE_GETNAMEINFO
+#else
+#  if (_WIN32_WINNT < 0x0501)
+   /* Internal implemetation that has to work on w2k and latest. */
+#    define EAI_ADDRFAMILY
+#    include "addrinfo.h"
+#  else
+#    define HAVE_GETADDRINFO
+#    define HAVE_GETNAMEINFO
+#  endif
+#endif
 #else
 #  include "addrinfo.h"
 #endif
@@ -337,6 +375,16 @@
 #if !defined(HAVE_GETADDRINFO)
 /* avoid clashes with the C library definition of the symbol. */
 #define getaddrinfo fake_getaddrinfo
+#ifdef __MINGW32__
+#ifdef gai_strerror
+/* NOTE: Mingw w32api always define gai_strerror to gai_strerror{A|W}
+   but getaddrinfo is defined if _WIN32_WINNT >= 0x0501.
+   MSDN say that gai_strerror() exist for w95 and later and
+   getaddrinfo()/getnameinfo() for wxp and later.
+   Since we use fake function to suppress warnign we has to undef. */
+#  undef gai_strerror
+#endif
+#endif /*def __MINGW32__*/
 #define gai_strerror fake_gai_strerror
 #define freeaddrinfo fake_freeaddrinfo
 #include "getaddrinfo.c"
@@ -2681,7 +2729,21 @@
 Shut down the reading side of the socket (flag == SHUT_RD), the writing side\n\
 of the socket (flag == SHUT_WR), or both ends (flag == SHUT_RDWR).");
 
+#ifndef SIO_RCVALL
+#ifdef __MINGW32__
+/* defined in mstcpip.h, also note "Separate SDKs" required for w2k */
+/* TODO: to test on w2k */
+#  define SIO_RCVALL	0x98000001
+#  define RCVALL_OFF	0
+#  define RCVALL_ON	1
+   /* NOTE: MSDN - this feature is not implemented */
+#  define RCVALL_SOCKETLEVELONLY	2
+#endif
+#endif
 #if defined(MS_WINDOWS) && defined(SIO_RCVALL)
+/* If isn't defined test_socket.py fail with:
+AttributeError: type object '_socket.socket' has no attribute 'ioctl'
+*/
 static PyObject*
 sock_ioctl(PySocketSockObject *s, PyObject *arg)
 {
diff -Naur a/Objects/fileobject.c b/Objects/fileobject.c
--- a/Objects/fileobject.c	2009-02-02 20:41:29.000000000 +0000
+++ b/Objects/fileobject.c	2009-03-01 05:20:50.000000000 +0000
@@ -13,6 +13,22 @@
 #define FUNLOCKFILE(f)
 #endif
 
+#ifdef MS_WINDOWS
+#if !defined(__MINGW32__)
+/* avoid 'warning: "fileno" redefined' */
+#define fileno _fileno
+#endif
+/* can simulate truncate with Win32 API functions; see file_truncate */
+#ifndef HAVE_FTRUNCATE
+/* NOTE: autotool based build check and set it
+   FIXME: why isn't defined in PC/pyconfig.h ?
+ */
+#define HAVE_FTRUNCATE
+#endif
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
+#endif
+
 /* Newline flags */
 #define NEWLINE_UNKNOWN	0	/* No newline seen, yet */
 #define NEWLINE_CR 1		/* \r newline seen */
diff -Naur a/PC/msvcrtmodule.c b/PC/msvcrtmodule.c
--- a/PC/msvcrtmodule.c	2008-11-30 22:46:23.000000000 +0000
+++ b/PC/msvcrtmodule.c	2009-03-01 13:04:57.105141936 +0000
@@ -21,9 +21,33 @@
 #include <io.h>
 #include <conio.h>
 #include <sys/locking.h>
-#include <crtdbg.h>
 #include <windows.h>
 
+#if defined(__MINGW32__)
+#if __MSVCRT_VERSION__ >= 0x0700
+# define _WCONIO_DEFINED
+/* NOTE: Up to version ?.?? mingw don't define functions
+ * listed below. Also it require module to be linked with
+ * ms-vcrt at least verion 7.
+ * To build with different runtimes see:
+ *  http://www.mingw.org/wiki/HOWTO_Use_the_GCC_specs_file
+ *
+ * Also note that NT5.1(XP), shiped with msvcrt version 7.0,
+ * contain all those functions, but library name is msvcrt.dll.
+ * So if you like module to run on w2k as is you must define
+ * appropriate __MSVCRT_VERSION__ .
+ * If you like those functions even on w2k you must link
+ * with appropriate runtime and to pack it in distributions.
+ * This is what MSVC build do - it is build and packed
+ * with version 9.0 of Microsoft C-runtime.
+ */
+_CRTIMP wint_t __cdecl __MINGW_NOTHROW	_getwch (void);
+_CRTIMP wint_t __cdecl __MINGW_NOTHROW	_getwche (void);
+_CRTIMP wint_t __cdecl __MINGW_NOTHROW	_putwch (wchar_t);
+_CRTIMP wint_t __cdecl __MINGW_NOTHROW	_ungetwch(wint_t);
+#endif /* __MSVCRT_VERSION__ >= 0x0700 */
+#endif
+
 #ifdef _MSC_VER
 #if _MSC_VER >= 1500
 #include <crtassem.h>
@@ -260,6 +284,7 @@
 	if (!PyArg_ParseTuple(args, "u:ungetwch", &ch))
 		return NULL;
 
+	/* FIXME: why _ungetch is called instead _ungetwch */
 	if (_ungetch(ch) == EOF)
 		return PyErr_SetFromErrno(PyExc_IOError);
 	Py_INCREF(Py_None);
diff -Naur a/PC/winreg.c b/PC/winreg.c
--- a/PC/winreg.c	2009-02-02 20:41:29.000000000 +0000
+++ b/PC/winreg.c	2009-03-01 04:37:25.000000000 +0000
@@ -16,6 +16,18 @@
 #include "structmember.h"
 #include "windows.h"
 
+#if defined(__MINGW32__)
+_CRTIMP size_t __cdecl __MINGW_NOTHROW _mbstrlen(const char *s);
+#endif
+
+#if !defined(REG_LEGAL_CHANGE_FILTER)
+#define REG_LEGAL_CHANGE_FILTER                 \
+                (REG_NOTIFY_CHANGE_NAME          |\
+                 REG_NOTIFY_CHANGE_ATTRIBUTES    |\
+                 REG_NOTIFY_CHANGE_LAST_SET      |\
+                 REG_NOTIFY_CHANGE_SECURITY)
+#endif
+
 static BOOL PyHKEY_AsHKEY(PyObject *ob, HKEY *pRes, BOOL bNoneOK);
 static PyObject *PyHKEY_FromHKEY(HKEY h);
 static BOOL PyHKEY_Close(PyObject *obHandle);
diff -Naur a/Python/dynload_win.c b/Python/dynload_win.c
--- a/Python/dynload_win.c	2009-01-27 23:50:56.000000000 +0000
+++ b/Python/dynload_win.c	2009-03-01 04:37:26.000000000 +0000
@@ -11,9 +11,11 @@
 #include "importdl.h"
 #include <windows.h>
 
-// "activation context" magic - see dl_nt.c...
+#ifdef Py_ENABLE_SHARED
+/* "activation context" magic - see dl_nt.c... */
 extern ULONG_PTR _Py_ActivateActCtx();
 void _Py_DeactivateActCtx(ULONG_PTR cookie);
+#endif
 
 const struct filedescr _PyImport_DynLoadFiletab[] = {
 #ifdef _DEBUG
@@ -25,6 +27,10 @@
 };
 
 
+#if defined(__MINGW32__)
+/* strcasecmp fail to compile on gcc(mingw32 special) */
+#  define strcasecmp fake_strcasecmp
+#endif
 /* Case insensitive string compare, to avoid any dependencies on particular
    C RTL implementations */
 
@@ -190,11 +196,15 @@
 				    sizeof(pathbuf),
 				    pathbuf,
 				    &dummy)) {
+#ifdef Py_ENABLE_SHARED
 			ULONG_PTR cookie = _Py_ActivateActCtx();
+#endif
 			/* XXX This call doesn't exist in Windows CE */
 			hDLL = LoadLibraryEx(pathname, NULL,
 					     LOAD_WITH_ALTERED_SEARCH_PATH);
+#ifdef Py_ENABLE_SHARED
 			_Py_DeactivateActCtx(cookie);
+#endif
 		}
 
 		/* restore old error mode settings */
diff -Naur a/Python/fileblocks.c b/Python/fileblocks.c
--- a/Python/fileblocks.c	1970-01-01 00:00:00.000000000 +0000
+++ b/Python/fileblocks.c	2009-03-01 04:37:26.000000000 +0000
@@ -0,0 +1,17 @@
+/*
+-- Macro: AC_STRUCT_ST_BLOCKS
+    If `struct stat' contains an `st_blocks' member, define
+    `HAVE_STRUCT_STAT_ST_BLOCKS'.  Otherwise, require an `AC_LIBOBJ'
+    replacement of `fileblocks'.
+*/
+
+#if !HAVE_STRUCT_STAT_ST_BLOCKS
+/* If necessary you may see gnulib for replacement function:
+off_t st_blocks (off_t size)
+You may found code available under GPL2 or GPL3.
+*/
+#else
+/* This declaration is solely to ensure that after preprocessing
+   this file is never empty.  */
+typedef int textutils_fileblocks_unused;
+#endif
diff -Naur a/Python/import.c b/Python/import.c
--- a/Python/import.c	2009-02-02 20:41:29.000000000 +0000
+++ b/Python/import.c	2009-03-01 06:38:20.798516552 +0000
@@ -23,9 +23,11 @@
 #endif
 
 #ifdef MS_WINDOWS
+#ifndef __MINGW32__
 /* for stat.st_mode */
 typedef unsigned short mode_t;
 #endif
+#endif
 
 extern time_t PyOS_GetLastModificationTime(char *, FILE *);
 						/* In getmtime.c */
diff -Naur a/Python/pythonrun.c b/Python/pythonrun.c
--- a/Python/pythonrun.c	2009-01-26 22:03:09.000000000 +0000
+++ b/Python/pythonrun.c	2009-03-01 06:39:17.371916088 +0000
@@ -35,8 +35,10 @@
 #ifdef MS_WINDOWS
 #undef BYTE
 #include "windows.h"
+#ifndef __MINGW32__
 #define PATH_MAX MAXPATHLEN
 #endif
+#endif
 
 #ifndef Py_REF_DEBUG
 #define PRINT_TOTAL_REFS()
diff -Naur a/configure b/configure
--- a/configure	2009-01-05 19:53:36.000000000 +0000
+++ b/configure	2009-03-01 06:56:29.070074128 +0000
@@ -1,5 +1,5 @@
 #! /bin/sh
-# From configure.in Revision: 68280 .
+# From configure.in Revision: 68442 .
 # Guess values for system-dependent variables and create Makefiles.
 # Generated by GNU Autoconf 2.61 for python 3.0.
 #
@@ -669,6 +669,7 @@
 FRAMEWORKALTINSTALLLAST
 FRAMEWORKUNIXTOOLSPREFIX
 MACHDEP
+INITSYS
 SGI_ABI
 CONFIGURE_MACOSX_DEPLOYMENT_TARGET
 EXPORT_MACOSX_DEPLOYMENT_TARGET
@@ -717,6 +718,7 @@
 USE_THREAD_MODULE
 LDLAST
 THREADOBJ
+BUILDIN_WIN32_MODULE
 DLINCLDIR
 DYNLOADFILE
 MACHDEP_OBJS
@@ -730,6 +732,9 @@
 LIBM
 LIBC
 THREADHEADERS
+PYMOD_BUILDOPT
+PYTHON_OBJS_FROZENMAIN
+MODULE_GETPATH
 SRCDIRS
 LTLIBOBJS'
 ac_subst_files=''
@@ -1811,7 +1816,14 @@
 mv confdefs.h.new confdefs.h
 
 
+case $host in
+  *-*-mingw*)
+  VERSION=`echo 3.0 | sed -e 's|\.||g'`
+  ;;
+  *)
 VERSION=3.0
+  ;;
+esac
 
 
 SOVERSION=1.0
@@ -2034,6 +2046,15 @@
 echo $ECHO_N "checking MACHDEP... $ECHO_C" >&6; }
 if test -z "$MACHDEP"
 then
+		case $host in
+	*-*-mingw*)
+		ac_sys_system=ignore
+						MACHDEP=win
+	;;
+	esac
+fi
+if test -z "$MACHDEP"
+then
 	ac_sys_system=`uname -s`
 	if test "$ac_sys_system" = "AIX" -o "$ac_sys_system" = "Monterey64" \
 	-o "$ac_sys_system" = "UnixWare" -o "$ac_sys_system" = "OpenUNIX"; then
@@ -2056,6 +2077,19 @@
 	esac
 fi
 
+{ echo "$as_me:$LINENO: checking for init system calls" >&5
+echo $ECHO_N "checking for init system calls... $ECHO_C" >&6; }
+
+case $host in
+  # FIXME: May configure lack detection for os2 host system ?
+  #?#*-*-os2*)	INITSYS=os2;;
+  *-*-mingw*)	INITSYS=nt;;
+  *)		INITSYS=posix;;
+esac
+{ echo "$as_me:$LINENO: result: $INITSYS" >&5
+echo "${ECHO_T}$INITSYS" >&6; }
+
+
 # Some systems cannot stand _XOPEN_SOURCE being defined at all; they
 # disable features if it is defined, without any means to access these
 # features as extensions. For these systems, we skip the definition of
@@ -2228,7 +2262,7 @@
 if test "${with_gcc+set}" = set; then
   withval=$with_gcc;
 	case $withval in
-	no)	CC=cc
+	no)	CC=${CC:-cc}
 		without_gcc=yes;;
 	yes)	CC=gcc
 		without_gcc=no;;
@@ -3949,6 +3983,10 @@
   *)
     enable_shared="no";;
   esac
+  case $host in
+  *-*-mingw*)
+    enable_shared="yes";;
+  esac
 fi
 { echo "$as_me:$LINENO: result: $enable_shared" >&5
 echo "${ECHO_T}$enable_shared" >&6; }
@@ -4092,6 +4130,12 @@
 	;;
 
   esac
+  case $host in
+    *-*-mingw*)
+          LDLIBRARY='libpython$(VERSION).dll.a'
+          DLLLIBRARY='libpython$(VERSION).dll'
+                              ;;
+  esac
 else # shared is disabled
   case $ac_sys_system in
     CYGWIN*)
@@ -4099,6 +4143,10 @@
           LDLIBRARY='libpython$(VERSION).dll.a'
           ;;
   esac
+  case $host in
+    *-*-mingw*)
+          LDLIBRARY='libpython$(VERSION).a';;
+  esac
 fi
 
 { echo "$as_me:$LINENO: result: $LDLIBRARY" >&5
@@ -4446,6 +4494,27 @@
 echo "${ECHO_T}no" >&6; }
 fi
 
+# FIXME: We define BUILDEXEEXT and LDLIBRARY above but:
+#  For debug versions MSVC build prepend suffix by '_d'.
+#  If we support this convention we may modify distutils(TODO).
+#  To support different build directories is good "--with-pydebug"
+#  to be earlier in the script(why i wrote this?).
+if test "x$Py_DEBUG" = xtrue; then
+  case $host in
+            # Since Makefile.pre.in may isn't suitable for now we will not
+    # change LDLIBRARY.
+    *-*-mingw*)
+      BUILDEXEEXT=_d$BUILDEXEEXT
+      if test x$enable_shared = xyes; then
+        #LDLIBRARY='libpython$(VERSION)_d.dll.a'
+        DLLLIBRARY='libpython$(VERSION)_d.dll'
+      else # shared is disabled
+        #LDLIBRARY='libpython$(VERSION)_d.dll.a';;
+        :
+      fi
+      ;;
+  esac
+fi
 
 # XXX Shouldn't the code above that fiddles with BASECFLAGS and OPT be
 # merged with this chunk of code?
@@ -4462,6 +4531,8 @@
 
 # tweak OPT based on compiler and platform, only if the user didn't set
 # it on the command line
+# NOTE: If user set OPT at this point script ignore all previously set
+# options (not important - BeOS is depricated for python 2.6+).
 
 if test -z "$OPT"
 then
@@ -4584,6 +4655,10 @@
          alpha*)
                 BASECFLAGS="$BASECFLAGS -mieee"
                 ;;
+         *-*-mingw*)
+                #MSVC compatable storage layout for bitfields in structures
+                BASECFLAGS="$BASECFLAGS -mms-bitfields"
+                ;;
     esac
 
     case $ac_sys_system in
@@ -4669,7 +4744,9 @@
 esac
 
 if test "$Py_DEBUG" = 'true'; then
-  :
+  case $host in
+        *-*-mingw*) OPT="-D_DEBUG $OPT";;
+  esac
 else
   OPT="-DNDEBUG $OPT"
 fi
@@ -5185,6 +5262,65 @@
 echo "${ECHO_T}$ac_cv_pthread" >&6; }
 fi
 
+if test "x$ac_cv_kpthread" = xno && \
+   test "x$ac_cv_kthread" = xno && \
+   test "x$ac_cv_pthread" = xno && \
+   test "x$ac_cv_pthread_is_default" = xno
+then
+	{ echo "$as_me:$LINENO: checking for NT threads" >&5
+echo $ECHO_N "checking for NT threads... $ECHO_C" >&6; }
+	if test "${ac_cv_ntthread+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+int
+main ()
+{
+_beginthread(0, 0, 0);
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_link") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext &&
+       $as_test_x conftest$ac_exeext; then
+  ac_cv_ntthread=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_cv_ntthread=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+
+	{ echo "$as_me:$LINENO: result: $ac_cv_ntthread" >&5
+echo "${ECHO_T}$ac_cv_ntthread" >&6; }
+fi
+
 # If we have set a CC compiler flag for thread support then
 # check if it works for CXX, too.
 ac_cv_cxx_thread=no
@@ -5206,6 +5342,9 @@
 then
   CXX="$CXX -pthread"
   ac_cv_cxx_thread=yes
+elif test "x$ac_cv_ntthread" = xyes
+then
+  ac_cv_cxx_thread=always
 fi
 
 if test $ac_cv_cxx_thread = yes
@@ -5525,6 +5664,7 @@
 
 
 
+
 for ac_header in asm/types.h conio.h curses.h direct.h dlfcn.h errno.h \
 fcntl.h grp.h \
 ieeefp.h io.h langinfo.h libintl.h ncurses.h poll.h process.h pthread.h \
@@ -5536,7 +5676,7 @@
 sys/termio.h sys/time.h \
 sys/times.h sys/types.h sys/un.h sys/utsname.h sys/wait.h pty.h libutil.h \
 sys/resource.h netpacket/packet.h sysexits.h bluetooth.h \
-bluetooth/bluetooth.h linux/tipc.h
+bluetooth/bluetooth.h linux/tipc.h winsock2.h
 do
 as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
 if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
@@ -12906,6 +13046,16 @@
 	CYGWIN*)   SO=.dll;;
 	*)	   SO=.so;;
 	esac
+	case $host in
+	*-*-mingw*)
+	#NOTE: see _PyImport_DynLoadFiletab in dynload_win.c
+	if test "x$Py_DEBUG" = xtrue; then
+		SO=_d.pyd
+	else
+		SO=.pyd
+	fi
+	;;
+	esac
 else
 	# this might also be a termcap variable, see #610332
         echo
@@ -13032,6 +13182,11 @@
 	atheos*) LDSHARED="gcc -shared";;
 	*)	LDSHARED="ld";;
 	esac
+	case $host in
+	*-*-mingw*)
+		LDSHARED='$(CC) -shared -Wl,--enable-auto-image-base'
+		;;
+	esac
 fi
 { echo "$as_me:$LINENO: result: $LDSHARED" >&5
 echo "${ECHO_T}$LDSHARED" >&6; }
@@ -13133,6 +13288,12 @@
 		# when running test_compile.py.
 		LINKFORSHARED='-Wl,-E -N 2048K';;
 	esac
+	case $host in
+	*-*-mingw*)
+		if test x$enable_shared = xyes; then
+			LINKFORSHARED='-Wl,--out-implib=$(LDLIBRARY)'
+		fi;;
+	esac
 fi
 { echo "$as_me:$LINENO: result: $LINKFORSHARED" >&5
 echo "${ECHO_T}$LINKFORSHARED" >&6; }
@@ -13151,6 +13312,12 @@
 	*)
 		CFLAGSFORSHARED='$(CCSHARED)'
 	esac
+	case $host in
+	*-*-mingw*)
+		# TODO mingw may needs CCSHARED when building extension DLLs
+		# but not when building the interpreter DLL.
+		CFLAGSFORSHARED='';;
+	esac
 fi
 { echo "$as_me:$LINENO: result: $CFLAGSFORSHARED" >&5
 echo "${ECHO_T}$CFLAGSFORSHARED" >&6; }
@@ -13830,6 +13997,19 @@
 
     posix_threads=yes
     THREADOBJ="Python/thread.o"
+elif test "x$ac_cv_ntthread" = xyes
+then
+    cat >>confdefs.h <<\_ACEOF
+#define WITH_THREAD 1
+_ACEOF
+
+    posix_threads=no
+    THREADOBJ="Python/thread.o"
+
+cat >>confdefs.h <<\_ACEOF
+#define NT_THREADS 1
+_ACEOF
+
 else
     if test ! -z "$with_threads" -a -d "$with_threads"
     then LDFLAGS="$LDFLAGS -L$with_threads"
@@ -15155,6 +15335,18 @@
 fi
 
 
+
+BUILDIN_WIN32_MODULE='#'
+case $host in
+  *-*-mingw*)
+    # On win32 host(mingw build MSYS environment) site.py fail to load
+    # if _functools is not build-in by reason of dependency:
+    #   setup->site->locale->functools&operator
+    BUILDIN_WIN32_MODULE=
+  ;;
+esac
+
+
 # Check for enable-ipv6
 
 
@@ -15763,6 +15955,14 @@
 	fi
 	;;
 	esac
+	case $host in
+	*-*-mingw*)
+	# FIXME: it is good to use portable "$OBJEXT" instead "o" but
+	# python build isn't yet ready to use it (see Makefile.pre.in)
+	#DYNLOADFILE="dynload_win.$OBJEXT"
+	DYNLOADFILE="dynload_win.o"
+	;;
+	esac
 fi
 { echo "$as_me:$LINENO: result: $DYNLOADFILE" >&5
 echo "${ECHO_T}$DYNLOADFILE" >&6; }
@@ -15780,6 +15980,11 @@
 
 { echo "$as_me:$LINENO: checking MACHDEP_OBJS" >&5
 echo $ECHO_N "checking MACHDEP_OBJS... $ECHO_C" >&6; }
+case $host in
+  *-*-mingw*)
+    extra_machdep_objs="PC/dl_nt.o PC/getpathp.o PC/import_nt.o"
+    ;;
+esac
 if test -z "$MACHDEP_OBJS"
 then
 	MACHDEP_OBJS=$extra_machdep_objs
@@ -15881,7 +16086,7 @@
  mremap nice pathconf pause plock poll pthread_init \
  putenv readlink realpath \
  select setegid seteuid setgid \
- setlocale setregid setreuid setsid setpgid setpgrp setuid setvbuf snprintf \
+ setregid setreuid setsid setpgid setpgrp setuid setvbuf snprintf \
  sigaction siginterrupt sigrelse strftime strlcpy \
  sysconf tcgetpgrp tcsetpgrp tempnam timegm times tmpfile tmpnam tmpnam_r \
  truncate uname unsetenv utimes waitpid wait3 wait4 wcscoll wcsxfrm _getpty
@@ -15978,6 +16183,7 @@
 done
 
 
+
 # For some functions, having a definition is not sufficient, since
 # we want to take their address.
 { echo "$as_me:$LINENO: checking for chroot" >&5
@@ -18653,9 +18859,19 @@
 sed 's/^/| /' conftest.$ac_ext >&5
 
 
-{ echo "$as_me:$LINENO: result: no" >&5
+case $host in
+  #FIXME: mingw define getaddinfo if WINVER >= 0x501, i.e. XP or greater.
+  #TODO: mingw require additional check.
+  #*-*-mingw*)
+  #  AC_MSG_RESULT([yes])
+  #  buggygetaddrinfo=no
+  #  ;;
+  *)
+    { echo "$as_me:$LINENO: result: no" >&5
 echo "${ECHO_T}no" >&6; }
-buggygetaddrinfo=yes
+    buggygetaddrinfo=yes
+    ;;
+esac
 
 fi
 
@@ -19894,7 +20110,11 @@
 cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
-#		include <netdb.h>
+#ifdef HAVE_WINSOCK2_H
+#  include <ws2tcpip.h>
+#else
+#  include <netdb.h>
+#endif
 int
 main ()
 {
@@ -19953,8 +20173,15 @@
 cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
-#		include <sys/types.h>
-#		include <sys/socket.h>
+#ifdef HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+#ifdef HAVE_SYS_SOCKET_H
+#include <sys/socket.h>
+#endif
+#ifdef HAVE_WINSOCK2_H
+#include <winsock2.h>
+#endif
 int
 main ()
 {
@@ -21157,6 +21384,9 @@
 Darwin) ;;
 *) LIBM=-lm
 esac
+case $host in
+  *-*-mingw*) LIBM=;;
+esac
 { echo "$as_me:$LINENO: checking for --with-libm=STRING" >&5
 echo $ECHO_N "checking for --with-libm=STRING... $ECHO_C" >&6; }
 
@@ -21279,6 +21509,12 @@
 
 fi
 
+case $host in
+  *-*-mingw*)
+    # Some MSVC runtimes don't preserve zero sign.
+    # On mingw host we will use always replacemnt function.
+    ac_cv_tanh_preserves_zero_sign=no;;
+esac
 { echo "$as_me:$LINENO: result: $ac_cv_tanh_preserves_zero_sign" >&5
 echo "${ECHO_T}$ac_cv_tanh_preserves_zero_sign" >&6; }
 if test "$ac_cv_tanh_preserves_zero_sign" = yes
@@ -22029,7 +22265,10 @@
 else
 
   if test "$cross_compiling" = yes; then
-  ac_cv_wchar_t_signed=yes
+  case $host in
+  *-*-mingw*) ac_cv_wchar_t_signed=no;;
+  *)          ac_cv_wchar_t_signed=yes;;
+  esac
 else
   cat >conftest.$ac_ext <<_ACEOF
 /* confdefs.h.  */
@@ -24229,8 +24468,37 @@
   THREADHEADERS="$THREADHEADERS \$(srcdir)/$h"
 done
 
+# FIXME: in cross-compilation env. (mingw on linux) how to select correct compiler ?
+# The current py-code will created modules with .so suffix and environment
+# variable setting SO=$(SO) don't help
+# see output of: python setup.py build --help-compiler
+
+case $host in
+  *-*-mingw*) PYMOD_BUILDOPT="--compiler mingw32";;
+esac
+
+# Python interpreter main program for frozen scripts
+
+PYTHON_OBJS_FROZENMAIN="Python/frozenmain.o"
+# MODULE_GETPATH - default sys.path calculations
+
+MODULE_GETPATH=Modules/getpath.o
+case $host in
+  *-*-mingw*)
+        CPPFLAGS="-I\$(srcdir)/Python -I\$(srcdir)/PC $CPPFLAGS"
+
+    # FIXME: why windows builds don't use PC/frozen_dllmain.o ?
+    PYTHON_OBJS_FROZENMAIN=""
+    # default sys.path calculations for windows platforms
+    MODULE_GETPATH=PC/getpathp.o
+    ;;
+esac
+
 
 SRCDIRS="Parser Grammar Objects Python Modules Mac"
+case $host in
+  *-*-mingw*) SRCDIRS="$SRCDIRS PC";;
+esac
 { echo "$as_me:$LINENO: checking for build directories" >&5
 echo $ECHO_N "checking for build directories... $ECHO_C" >&6; }
 for dir in $SRCDIRS; do
@@ -24918,6 +25186,7 @@
 FRAMEWORKALTINSTALLLAST!$FRAMEWORKALTINSTALLLAST$ac_delim
 FRAMEWORKUNIXTOOLSPREFIX!$FRAMEWORKUNIXTOOLSPREFIX$ac_delim
 MACHDEP!$MACHDEP$ac_delim
+INITSYS!$INITSYS$ac_delim
 SGI_ABI!$SGI_ABI$ac_delim
 CONFIGURE_MACOSX_DEPLOYMENT_TARGET!$CONFIGURE_MACOSX_DEPLOYMENT_TARGET$ac_delim
 EXPORT_MACOSX_DEPLOYMENT_TARGET!$EXPORT_MACOSX_DEPLOYMENT_TARGET$ac_delim
@@ -24961,7 +25230,6 @@
 LINKFORSHARED!$LINKFORSHARED$ac_delim
 CFLAGSFORSHARED!$CFLAGSFORSHARED$ac_delim
 SHLIBS!$SHLIBS$ac_delim
-USE_SIGNAL_MODULE!$USE_SIGNAL_MODULE$ac_delim
 _ACEOF
 
   if test `sed -n "s/.*$ac_delim\$/X/p" conf$$subs.sed | grep -c X` = 97; then
@@ -25003,10 +25271,12 @@
 ac_delim='%!_!# '
 for ac_last_try in false false false false false :; do
   cat >conf$$subs.sed <<_ACEOF
+USE_SIGNAL_MODULE!$USE_SIGNAL_MODULE$ac_delim
 SIGNAL_OBJS!$SIGNAL_OBJS$ac_delim
 USE_THREAD_MODULE!$USE_THREAD_MODULE$ac_delim
 LDLAST!$LDLAST$ac_delim
 THREADOBJ!$THREADOBJ$ac_delim
+BUILDIN_WIN32_MODULE!$BUILDIN_WIN32_MODULE$ac_delim
 DLINCLDIR!$DLINCLDIR$ac_delim
 DYNLOADFILE!$DYNLOADFILE$ac_delim
 MACHDEP_OBJS!$MACHDEP_OBJS$ac_delim
@@ -25020,11 +25290,14 @@
 LIBM!$LIBM$ac_delim
 LIBC!$LIBC$ac_delim
 THREADHEADERS!$THREADHEADERS$ac_delim
+PYMOD_BUILDOPT!$PYMOD_BUILDOPT$ac_delim
+PYTHON_OBJS_FROZENMAIN!$PYTHON_OBJS_FROZENMAIN$ac_delim
+MODULE_GETPATH!$MODULE_GETPATH$ac_delim
 SRCDIRS!$SRCDIRS$ac_delim
 LTLIBOBJS!$LTLIBOBJS$ac_delim
 _ACEOF
 
-  if test `sed -n "s/.*$ac_delim\$/X/p" conf$$subs.sed | grep -c X` = 19; then
+  if test `sed -n "s/.*$ac_delim\$/X/p" conf$$subs.sed | grep -c X` = 24; then
     break
   elif $ac_last_try; then
     { { echo "$as_me:$LINENO: error: could not make $CONFIG_STATUS" >&5
diff -Naur a/configure.in b/configure.in
--- a/configure.in	2009-01-09 04:17:34.000000000 +0000
+++ b/configure.in	2009-03-01 06:56:36.479947656 +0000
@@ -34,7 +34,15 @@
 mv confdefs.h.new confdefs.h
 
 AC_SUBST(VERSION)
+case $host in
+  *-*-mingw*)
+  dnl To be compatible with MSVC build.
+VERSION=`echo PYTHON_VERSION | sed -e 's|\.||g'`
+  ;;
+  *)
 VERSION=PYTHON_VERSION
+  ;;
+esac
 
 AC_SUBST(SOVERSION)
 SOVERSION=1.0
@@ -214,6 +222,22 @@
 AC_MSG_CHECKING(MACHDEP)
 if test -z "$MACHDEP"
 then
+	dnl set MACHDEP only on certain host systems
+	case $host in
+	*-*-mingw*)
+	dnl we use only case based on "host triplet"
+	ac_sys_system=ignore
+	dnl FIXME: what is correct:
+	dnl - PLATFORM is always "win32" (see define in PC/pyconfig.h )
+	dnl - getplatform.o is build with -DPLATFORM='"$(MACHDEP)"'
+	dnl - the platform specific files go in plat-$(MACHDEP)
+	dnl - but an item in PYTHONPATH is "plat-win" !!! oops
+	MACHDEP=win
+	;;
+	esac
+fi
+if test -z "$MACHDEP"
+then
 	ac_sys_system=`uname -s`
 	if test "$ac_sys_system" = "AIX" -o "$ac_sys_system" = "Monterey64" \
 	-o "$ac_sys_system" = "UnixWare" -o "$ac_sys_system" = "OpenUNIX"; then
@@ -235,6 +259,17 @@
 	'')	MACHDEP="unknown";;
 	esac
 fi
+
+AC_MSG_CHECKING([for init system calls])
+AC_SUBST(INITSYS)
+case $host in
+  # FIXME: May configure lack detection for os2 host system ?
+  #?#*-*-os2*)	INITSYS=os2;;
+  *-*-mingw*)	INITSYS=nt;;
+  *)		INITSYS=posix;;
+esac
+AC_MSG_RESULT([$INITSYS])
+
 	
 # Some systems cannot stand _XOPEN_SOURCE being defined at all; they
 # disable features if it is defined, without any means to access these
@@ -607,6 +642,10 @@
   *)
     enable_shared="no";;
   esac
+  case $host in
+  *-*-mingw*)
+    enable_shared="yes";;
+  esac
 fi
 AC_MSG_RESULT($enable_shared)
 
@@ -700,6 +739,14 @@
 	;;
 
   esac
+  case $host in
+    *-*-mingw*)
+          LDLIBRARY='libpython$(VERSION).dll.a'
+          DLLLIBRARY='libpython$(VERSION).dll'
+          dnl setup.py add it for mingw host
+          dnl BLDLIBRARY='-L. -lpython$(VERSION)'
+          ;;
+  esac
 else # shared is disabled
   case $ac_sys_system in
     CYGWIN*)
@@ -707,6 +754,10 @@
           LDLIBRARY='libpython$(VERSION).dll.a'
           ;;
   esac
+  case $host in
+    *-*-mingw*)
+          LDLIBRARY='libpython$(VERSION).a';;
+  esac
 fi
 
 AC_MSG_RESULT($LDLIBRARY)
@@ -744,6 +795,8 @@
 	esac
 fi
 
+dnl TODO: to move --with-pydebug earlier in script and to group
+dnl debug related statements togeder (if posible)
 # Check for --with-pydebug
 AC_MSG_CHECKING(for --with-pydebug)
 AC_ARG_WITH(pydebug, 
@@ -758,6 +811,29 @@
 else AC_MSG_RESULT(no); Py_DEBUG='false'
 fi],
 [AC_MSG_RESULT(no)])
+# FIXME: We define BUILDEXEEXT and LDLIBRARY above but:
+#  For debug versions MSVC build prepend suffix by '_d'.
+#  If we support this convention we may modify distutils(TODO).
+#  To support different build directories is good "--with-pydebug"
+#  to be earlier in the script(why i wrote this?).
+if test "x$Py_DEBUG" = xtrue; then
+  case $host in
+    dnl TODO: This is good to be where we define LDLIBRARY
+    dnl but --with-pydebug is defined too late in the script.
+    # Since Makefile.pre.in may isn't suitable for now we will not
+    # change LDLIBRARY.
+    *-*-mingw*)
+      BUILDEXEEXT=_d$BUILDEXEEXT
+      if test x$enable_shared = xyes; then
+        #LDLIBRARY='libpython$(VERSION)_d.dll.a'
+        DLLLIBRARY='libpython$(VERSION)_d.dll'
+      else # shared is disabled
+        #LDLIBRARY='libpython$(VERSION)_d.dll.a';;
+        :
+      fi
+      ;;
+  esac
+fi
 
 # XXX Shouldn't the code above that fiddles with BASECFLAGS and OPT be
 # merged with this chunk of code?
@@ -774,6 +850,8 @@
 
 # tweak OPT based on compiler and platform, only if the user didn't set
 # it on the command line
+# NOTE: If user set OPT at this point script ignore all previously set
+# options (not important - BeOS is depricated for python 2.6+).
 AC_SUBST(OPT)
 if test -z "$OPT"
 then
@@ -854,6 +932,10 @@
          alpha*)
                 BASECFLAGS="$BASECFLAGS -mieee"
                 ;;
+         *-*-mingw*)
+                #MSVC compatable storage layout for bitfields in structures
+                BASECFLAGS="$BASECFLAGS -mms-bitfields"
+                ;;
     esac
 
     case $ac_sys_system in
@@ -936,8 +1018,15 @@
     ;;
 esac
 
+dnl NOTE: although Py_DEBUG is set earlier in the script we can't move
+dnl before "# tweak OPT based on compiler" - if user specify environment
+dnl variable OPT we will lost our settings!!!
+dnl FIXME: why script add debug definition to OPT instead to BASECFLAGS?
 if test "$Py_DEBUG" = 'true'; then
-  :
+  case $host in
+    dnl Same as in PC/pyconfig.h but order in opposite(Py_DEBUG=>-D_DEBUG).
+    *-*-mingw*) OPT="-D_DEBUG $OPT";;
+  esac
 else
   OPT="-DNDEBUG $OPT"
 fi
@@ -1132,6 +1221,20 @@
 AC_MSG_RESULT($ac_cv_pthread)
 fi
 
+if test "x$ac_cv_kpthread" = xno && \
+   test "x$ac_cv_kthread" = xno && \
+   test "x$ac_cv_pthread" = xno && \
+   test "x$ac_cv_pthread_is_default" = xno
+then
+	AC_MSG_CHECKING(for NT threads)
+	AC_CACHE_VAL(ac_cv_ntthread,
+	[AC_LINK_IFELSE(
+		AC_LANG_PROGRAM([], [_beginthread(0, 0, 0);]),
+	ac_cv_ntthread=yes,
+	ac_cv_ntthread=no)])
+	AC_MSG_RESULT([$ac_cv_ntthread])
+fi
+
 # If we have set a CC compiler flag for thread support then
 # check if it works for CXX, too.
 ac_cv_cxx_thread=no
@@ -1152,6 +1255,9 @@
 then 
   CXX="$CXX -pthread"
   ac_cv_cxx_thread=yes
+elif test "x$ac_cv_ntthread" = xyes
+then
+  ac_cv_cxx_thread=always
 fi
 
 if test $ac_cv_cxx_thread = yes
@@ -1193,7 +1299,7 @@
 sys/termio.h sys/time.h \
 sys/times.h sys/types.h sys/un.h sys/utsname.h sys/wait.h pty.h libutil.h \
 sys/resource.h netpacket/packet.h sysexits.h bluetooth.h \
-bluetooth/bluetooth.h linux/tipc.h)
+bluetooth/bluetooth.h linux/tipc.h winsock2.h)
 AC_HEADER_DIRENT
 AC_HEADER_MAJOR
 
@@ -1520,6 +1626,16 @@
 	CYGWIN*)   SO=.dll;;
 	*)	   SO=.so;;
 	esac
+	case $host in
+	*-*-mingw*)
+	#NOTE: see _PyImport_DynLoadFiletab in dynload_win.c
+	if test "x$Py_DEBUG" = xtrue; then
+		SO=_d.pyd
+	else
+		SO=.pyd
+	fi
+	;;
+	esac
 else
 	# this might also be a termcap variable, see #610332
         echo
@@ -1640,6 +1756,11 @@
 	atheos*) LDSHARED="gcc -shared";;
 	*)	LDSHARED="ld";;
 	esac
+	case $host in
+	*-*-mingw*)
+		LDSHARED='$(CC) -shared -Wl,--enable-auto-image-base'
+		;;
+	esac
 fi
 AC_MSG_RESULT($LDSHARED)
 BLDSHARED=${BLDSHARED-$LDSHARED}
@@ -1737,6 +1858,12 @@
 		# when running test_compile.py.
 		LINKFORSHARED='-Wl,-E -N 2048K';;
 	esac
+	case $host in
+	*-*-mingw*)
+		if test x$enable_shared = xyes; then
+			LINKFORSHARED='-Wl,--out-implib=$(LDLIBRARY)'
+		fi;;
+	esac
 fi
 AC_MSG_RESULT($LINKFORSHARED)
 
@@ -1753,6 +1880,12 @@
 	*)
 		CFLAGSFORSHARED='$(CCSHARED)'
 	esac
+	case $host in
+	*-*-mingw*)
+		# TODO mingw may needs CCSHARED when building extension DLLs
+		# but not when building the interpreter DLL.
+		CFLAGSFORSHARED='';;
+	esac
 fi
 AC_MSG_RESULT($CFLAGSFORSHARED)
 
@@ -1920,6 +2053,13 @@
     AC_DEFINE(WITH_THREAD)
     posix_threads=yes
     THREADOBJ="Python/thread.o"
+elif test "x$ac_cv_ntthread" = xyes
+then
+    AC_DEFINE(WITH_THREAD)
+    posix_threads=no
+    THREADOBJ="Python/thread.o"
+    AC_DEFINE(NT_THREADS, 1,
+	[Define to 1 if you want to use native NT threads])
 else
     if test ! -z "$with_threads" -a -d "$with_threads"
     then LDFLAGS="$LDFLAGS -L$with_threads"
@@ -2079,6 +2219,18 @@
 fi
 
 
+AC_SUBST(BUILDIN_WIN32_MODULE)
+BUILDIN_WIN32_MODULE='#'
+case $host in
+  *-*-mingw*)
+    # On win32 host(mingw build MSYS environment) site.py fail to load
+    # if _functools is not build-in by reason of dependency:
+    #   setup->site->locale->functools&operator
+    BUILDIN_WIN32_MODULE=
+  ;;
+esac
+
+
 # Check for enable-ipv6
 AH_TEMPLATE(ENABLE_IPV6, [Define if --enable-ipv6 is specified])
 AC_MSG_CHECKING([if --enable-ipv6 is specified])
@@ -2345,6 +2497,14 @@
 	fi
 	;;
 	esac
+	case $host in
+	*-*-mingw*)
+	# FIXME: it is good to use portable "$OBJEXT" instead "o" but
+	# python build isn't yet ready to use it (see Makefile.pre.in)
+	#DYNLOADFILE="dynload_win.$OBJEXT"
+	DYNLOADFILE="dynload_win.o"
+	;;
+	esac
 fi
 AC_MSG_RESULT($DYNLOADFILE)
 if test "$DYNLOADFILE" != "dynload_stub.o"
@@ -2357,6 +2517,11 @@
 
 AC_SUBST(MACHDEP_OBJS)
 AC_MSG_CHECKING(MACHDEP_OBJS)
+case $host in
+  *-*-mingw*)
+    extra_machdep_objs="PC/dl_nt.o PC/getpathp.o PC/import_nt.o"
+    ;;
+esac
 if test -z "$MACHDEP_OBJS"
 then
 	MACHDEP_OBJS=$extra_machdep_objs
@@ -2374,11 +2539,22 @@
  mremap nice pathconf pause plock poll pthread_init \
  putenv readlink realpath \
  select setegid seteuid setgid \
- setlocale setregid setreuid setsid setpgid setpgrp setuid setvbuf snprintf \
+ setregid setreuid setsid setpgid setpgrp setuid setvbuf snprintf \
  sigaction siginterrupt sigrelse strftime strlcpy \
  sysconf tcgetpgrp tcsetpgrp tempnam timegm times tmpfile tmpnam tmpnam_r \
  truncate uname unsetenv utimes waitpid wait3 wait4 wcscoll wcsxfrm _getpty)
 
+dnl NOTE: On windows platform some functions aren't C functions and require
+dnl additional non-standard decoration and may be libraries.
+dnl As example winsock2 functions, although are based on berkeley sockets
+dnl use stdcall convention. Also they require an additional library ws2_32.
+dnl One of those functions is "getpeername" (see list above)
+dnl and can't be detected by script. Now this impact mingw host platforms.
+dnl Since this function is used only by socketmodule, module include
+dnl necessary headers and is linked with requred libs (see setup.py)
+dnl windows exception will be handled in module code.
+dnl FIXME: If you don't like this, write appropriate check here.
+
 # For some functions, having a definition is not sufficient, since
 # we want to take their address.
 AC_MSG_CHECKING(for chroot)
@@ -2759,8 +2935,18 @@
 buggygetaddrinfo=yes,
 AC_MSG_RESULT(buggy)
 buggygetaddrinfo=yes)], [
-AC_MSG_RESULT(no)
-buggygetaddrinfo=yes
+case $host in
+  #FIXME: mingw define getaddinfo if WINVER >= 0x501, i.e. XP or greater.
+  #TODO: mingw require additional check.
+  #*-*-mingw*)
+  #  AC_MSG_RESULT([yes])
+  #  buggygetaddrinfo=no
+  #  ;;
+  *)
+    AC_MSG_RESULT([no])
+    buggygetaddrinfo=yes
+    ;;
+esac
 ])
 
 if test "$buggygetaddrinfo" = "yes"; then
@@ -2812,20 +2998,31 @@
 AC_MSG_CHECKING(for addrinfo)
 AC_CACHE_VAL(ac_cv_struct_addrinfo,
 AC_TRY_COMPILE([
-#		include <netdb.h>],
+#ifdef HAVE_WINSOCK2_H
+#  include <ws2tcpip.h>
+#else
+#  include <netdb.h>
+#endif],
 	[struct addrinfo a],
 	ac_cv_struct_addrinfo=yes,
 	ac_cv_struct_addrinfo=no))
 AC_MSG_RESULT($ac_cv_struct_addrinfo)
 if test $ac_cv_struct_addrinfo = yes; then
-	AC_DEFINE(HAVE_ADDRINFO, 1, [struct addrinfo (netdb.h)])
+	AC_DEFINE(HAVE_ADDRINFO, 1, [struct addrinfo])
 fi
 
 AC_MSG_CHECKING(for sockaddr_storage)
 AC_CACHE_VAL(ac_cv_struct_sockaddr_storage,
 AC_TRY_COMPILE([
-#		include <sys/types.h>
-#		include <sys/socket.h>],
+#ifdef HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+#ifdef HAVE_SYS_SOCKET_H
+#include <sys/socket.h>
+#endif
+#ifdef HAVE_WINSOCK2_H
+#include <winsock2.h>
+#endif],
 	[struct sockaddr_storage s],
 	ac_cv_struct_sockaddr_storage=yes,
 	ac_cv_struct_sockaddr_storage=no))
@@ -3019,6 +3216,10 @@
 Darwin) ;;
 *) LIBM=-lm
 esac
+dnl new style to set libraries for host system
+case $host in
+  *-*-mingw*) LIBM=;;
+esac
 AC_MSG_CHECKING(for --with-libm=STRING)
 AC_ARG_WITH(libm,
             AC_HELP_STRING(--with-libm=STRING, math library),
@@ -3075,6 +3276,12 @@
 ac_cv_tanh_preserves_zero_sign=yes,
 ac_cv_tanh_preserves_zero_sign=no,
 ac_cv_tanh_preserves_zero_sign=no)])
+case $host in
+  *-*-mingw*)
+    # Some MSVC runtimes don't preserve zero sign.
+    # On mingw host we will use always replacemnt function.
+    ac_cv_tanh_preserves_zero_sign=no;;
+esac
 AC_MSG_RESULT($ac_cv_tanh_preserves_zero_sign)
 if test "$ac_cv_tanh_preserves_zero_sign" = yes
 then
@@ -3129,7 +3336,10 @@
   ],
   ac_cv_wchar_t_signed=yes,
   ac_cv_wchar_t_signed=no,
-  ac_cv_wchar_t_signed=yes)])
+  [case $host in
+  *-*-mingw*) ac_cv_wchar_t_signed=no;;
+  *)          ac_cv_wchar_t_signed=yes;;
+  esac])])
   AC_MSG_RESULT($ac_cv_wchar_t_signed)
 fi
 
@@ -3628,8 +3838,39 @@
   THREADHEADERS="$THREADHEADERS \$(srcdir)/$h"
 done
 
+# FIXME: in cross-compilation env. (mingw on linux) how to select correct compiler ?
+# The current py-code will created modules with .so suffix and environment
+# variable setting SO=$(SO) don't help
+# see output of: python setup.py build --help-compiler
+AC_SUBST(PYMOD_BUILDOPT)
+case $host in
+  *-*-mingw*) PYMOD_BUILDOPT="--compiler mingw32";;
+esac
+
+dnl Objects for python and modules
+# Python interpreter main program for frozen scripts
+AC_SUBST(PYTHON_OBJS_FROZENMAIN)
+PYTHON_OBJS_FROZENMAIN="Python/frozenmain.o"
+# MODULE_GETPATH - default sys.path calculations
+AC_SUBST(MODULE_GETPATH)
+MODULE_GETPATH=Modules/getpath.o
+case $host in
+  *-*-mingw*)
+    dnl "PC" is project sub-directory and we has to prepend user defined flags
+    CPPFLAGS="-I\$(srcdir)/Python -I\$(srcdir)/PC $CPPFLAGS"
+
+    # FIXME: why windows builds don't use PC/frozen_dllmain.o ?
+    PYTHON_OBJS_FROZENMAIN=""
+    # default sys.path calculations for windows platforms
+    MODULE_GETPATH=PC/getpathp.o
+    ;;
+esac
+
 AC_SUBST(SRCDIRS)
 SRCDIRS="Parser Grammar Objects Python Modules Mac"
+case $host in
+  *-*-mingw*) SRCDIRS="$SRCDIRS PC";;
+esac
 AC_MSG_CHECKING(for build directories)
 for dir in $SRCDIRS; do
     if test ! -d $dir; then
diff -Naur a/pyconfig.h.in b/pyconfig.h.in
--- a/pyconfig.h.in	2008-09-07 06:24:49.000000000 +0000
+++ b/pyconfig.h.in	2009-03-01 08:51:03.668976240 +0000
@@ -28,7 +28,7 @@
 /* Define to 1 if you have the `acosh' function. */
 #undef HAVE_ACOSH
 
-/* struct addrinfo (netdb.h) */
+/* struct addrinfo */
 #undef HAVE_ADDRINFO
 
 /* Define to 1 if you have the `alarm' function. */
@@ -58,6 +58,10 @@
 /* Define to 1 if you have the <bluetooth.h> header file. */
 #undef HAVE_BLUETOOTH_H
 
+/* Define if mbstowcs(NULL, "text", 0) does not return the number of wide
+   chars that would be converted. */
+#undef HAVE_BROKEN_MBSTOWCS
+
 /* Define if nice() returns success/failure instead of the new priority. */
 #undef HAVE_BROKEN_NICE
 
@@ -122,8 +126,11 @@
 /* Define if we have /dev/ptc. */
 #undef HAVE_DEV_PTC
 
+/* disable openpty always */
+#if 0
 /* Define if we have /dev/ptmx. */
 #undef HAVE_DEV_PTMX
+#endif
 
 /* Define to 1 if you have the <direct.h> header file. */
 #undef HAVE_DIRECT_H
@@ -180,8 +187,11 @@
 /* Define to 1 if you have the `fork' function. */
 #undef HAVE_FORK
 
+/* disable forkpty always */
+#if 0
 /* Define to 1 if you have the `forkpty' function. */
 #undef HAVE_FORKPTY
+#endif
 
 /* Define to 1 if you have the `fpathconf' function. */
 #undef HAVE_FPATHCONF
@@ -357,7 +367,7 @@
 /* Define to 1 if you have the <libintl.h> header file. */
 #undef HAVE_LIBINTL_H
 
-/* Define to 1 if you have the `readline' library (-lreadline). */
+/* Define if you have the readline library (-lreadline). */
 #undef HAVE_LIBREADLINE
 
 /* Define to 1 if you have the `resolv' library (-lresolv). */
@@ -420,8 +430,11 @@
 /* Define to 1 if you have the `nice' function. */
 #undef HAVE_NICE
 
+/* disable openpty always */
+#if 0
 /* Define to 1 if you have the `openpty' function. */
 #undef HAVE_OPENPTY
+#endif
 
 /* Define if compiling using MacOS X 10.5 SDK or later. */
 #undef HAVE_OSX105_SDK
@@ -447,6 +460,8 @@
 /* Define if your compiler supports function prototype */
 #undef HAVE_PROTOTYPES
 
+/* disable pthreads, pty always */
+#if 0
 /* Define if you have GNU PTH threads. */
 #undef HAVE_PTH
 
@@ -464,6 +479,7 @@
 
 /* Define to 1 if you have the <pty.h> header file. */
 #undef HAVE_PTY_H
+#endif /* force disable */
 
 /* Define to 1 if you have the `putenv' function. */
 #undef HAVE_PUTENV
@@ -800,9 +816,8 @@
 /* Define to 1 if you have the `wcsxfrm' function. */
 #undef HAVE_WCSXFRM
 
-/* Define if mbstowcs(NULL, "text", 0) does not return the number of 
-   wide chars that would be converted */
-#undef HAVE_BROKEN_MBSTOWCS
+/* Define to 1 if you have the <winsock2.h> header file. */
+#undef HAVE_WINSOCK2_H
 
 /* Define if tzset() actually switches the local timezone in a meaningful way.
    */
@@ -811,8 +826,11 @@
 /* Define if the zlib library has inflateCopy */
 #undef HAVE_ZLIB_COPY
 
+/* disable getpty always */
+#if 0
 /* Define to 1 if you have the `_getpty' function. */
 #undef HAVE__GETPTY
+#endif
 
 /* Define if you are using Mach cthreads directly under /include */
 #undef HURD_C_THREADS
@@ -831,6 +849,9 @@
 /* Define if mvwdelch in curses.h is an expression. */
 #undef MVWDELCH_IS_EXPRESSION
 
+/* Define to 1 if you want to use native NT threads */
+#undef NT_THREADS
+
 /* Define to the address where bug reports for this package should be sent. */
 #undef PACKAGE_BUGREPORT
 
diff -Naur a/setup.py b/setup.py
--- a/setup.py	2009-02-10 16:25:06.000000000 +0000
+++ b/setup.py	2009-03-01 04:46:38.000000000 +0000
@@ -115,7 +115,7 @@
         # with Modules/ and adding Python's include directory to the path.
         (srcdir,) = sysconfig.get_config_vars('srcdir')
         if not srcdir:
-            # Maybe running on Windows but not using CYGWIN?
+            # Maybe running on Windows but not using posix build?
             raise ValueError("No source directory; cannot proceed.")
 
         # Figure out the location of the source code for extension modules
@@ -189,8 +189,38 @@
         if compiler is not None:
             (ccshared,cflags) = sysconfig.get_config_vars('CCSHARED','CFLAGS')
             args['compiler_so'] = compiler + ' ' + ccshared + ' ' + cflags
+
+        # FIXME: Is next correct ?
+        # To link modules we need LDSHARED passed to setup.py otherwise
+        # distutils will use linker from build system if cross-compiling.
+        linker_so = os.environ.get('LDSHARED')
+        if linker_so is not None:
+            args['linker_so'] = linker_so
+
         self.compiler.set_executables(**args)
 
+        if platform in ['mingw', 'win32']:
+            # FIXME: best way to pass just build python library to the modules
+            self.compiler.library_dirs.insert(0, '.')
+            data = open('pyconfig.h').read()
+            m = re.search(r"#s*define\s+Py_DEBUG\s+1\s*", data)
+            if m is not None:
+                self.compiler.libraries.append("python" + str(sysconfig.get_config_var('VERSION')) + "_d")
+            else:
+                self.compiler.libraries.append("python" + str(sysconfig.get_config_var('VERSION')))
+
+        if platform in ['mingw', 'win32']:
+            # NOTE: See comment for SHLIBS in configure.in .
+            # Although it look obsolete since setup.py add module
+            # required libraries we will pass list too.
+            # As example this will allow us to propage static
+            # libraries like mingwex to modules.
+            for lib in sysconfig.get_config_var('SHLIBS').split():
+                if lib.startswith('-l'):
+                    self.compiler.libraries.append(lib[2:])
+                else:
+                    self.compiler.libraries.append(lib)
+
         build_ext.build_extensions(self)
 
         longest = max([len(e.name) for e in self.extensions])
@@ -261,6 +291,10 @@
             self.announce('WARNING: skipping import check for Cygwin-based "%s"'
                 % ext.name)
             return
+        if os.environ.get('HOST_OS') is not None:
+            self.announce('WARNING: skipping import check for cross-compiled "%s"'
+                % ext.name)
+            return
         ext_filename = os.path.join(
             self.build_lib,
             self.get_ext_filename(self.get_ext_fullname(ext.name)))
@@ -302,6 +336,19 @@
             self.failed.append(ext.name)
 
     def get_platform(self):
+        # Get value of host platform (set only if cross-compile)
+        host_os=os.environ.get('HOST_OS')
+        if host_os is not None:
+                # FIXME: extend for other host platforms.
+                # Until isn't confirmed that we can use 'win32' in all places
+                # where 'mingw' is use alone this method has to return 'mingw'
+                # otherwise uncomment next two lines:
+                #if host_os.startswith('mingw'):
+                #    return 'win32'
+                for platform in ['mingw', 'cygwin', 'beos', 'darwin', 'atheos', 'osf1']:
+                    if host_os.startswith(platform):
+                        return platform
+                return host_os
         # Get value of sys.platform
         for platform in ['cygwin', 'darwin', 'atheos', 'osf1']:
             if sys.platform.startswith(platform):
@@ -319,6 +366,9 @@
         # directly since an inconsistently reproducible issue comes up where
         # the environment variable is not set even though the value were passed
         # into configure and stored in the Makefile (issue found on OS X 10.3).
+        # In cross-compilation environment python for build system
+        # is linked in top build directory under name syspython to get
+        # above to work (distutils hack).
         for env_var, arg_name, dir_list in (
                 ('LDFLAGS', '-R', self.compiler.runtime_library_dirs),
                 ('LDFLAGS', '-L', self.compiler.library_dirs),
@@ -388,6 +438,7 @@
             #   NOTE: using shlex.split would technically be more correct, but
             # also gives a bootstrap problem. Let's hope nobody uses directories
             # with whitespace in the name to store libraries.
+            # FIXME: Why LDFLAGS again ?
             cflags, ldflags = sysconfig.get_config_vars(
                     'CFLAGS', 'LDFLAGS')
             for item in cflags.split():
@@ -400,7 +451,7 @@
 
         # Check for MacOS X, which doesn't need libm.a at all
         math_libs = ['m']
-        if platform in ['darwin', 'mac']:
+        if platform in ['darwin', 'mac', 'mingw', 'win32']:
             math_libs = []
 
         # XXX Omitted modules: gl, pure, dl, SGI-specific modules
@@ -438,9 +489,11 @@
         # heapq
         exts.append( Extension("_heapq", ["_heapqmodule.c"]) )
         # operator.add() and similar goodies
-        exts.append( Extension('operator', ['operator.c']) )
+        if platform not in ['mingw', 'win32']:
+            exts.append( Extension('operator', ['operator.c']) )
         # _functools
-        exts.append( Extension("_functools", ["_functoolsmodule.c"]) )
+        if platform not in ['mingw', 'win32']:
+            exts.append( Extension("_functools", ["_functoolsmodule.c"]) )
         # C-optimized pickle replacement
         exts.append( Extension("_pickle", ["_pickle.c"]) )
         # atexit
@@ -467,7 +520,10 @@
             locale_extra_link_args = []
 
 
-        exts.append( Extension('_locale', ['_localemodule.c'],
+        # On win32 host(mingw build in MSYS environment) show that site.py
+        # fail to load if some modules are not build-in:
+        if platform not in ['mingw', 'win32']:
+            exts.append( Extension('_locale', ['_localemodule.c'],
                                libraries=locale_libs,
                                extra_link_args=locale_extra_link_args) )
 
@@ -476,8 +532,11 @@
         # supported...)
 
         # fcntl(2) and ioctl(2)
-        exts.append( Extension('fcntl', ['fcntlmodule.c']) )
-        if platform not in ['mac']:
+        if platform not in ['mingw', 'win32']:
+            exts.append( Extension('fcntl', ['fcntlmodule.c']) )
+        else:
+            missing.append('fcntl')
+        if platform not in ['mac', 'mingw', 'win32']:
             # pwd(3)
             exts.append( Extension('pwd', ['pwdmodule.c']) )
             # grp(3)
@@ -492,7 +551,12 @@
             missing.extend(['pwd', 'grp', 'spwd'])
 
         # select(2); not on ancient System V
-        exts.append( Extension('select', ['selectmodule.c']) )
+        if platform in ['mingw', 'win32']:
+            select_libs = ['ws2_32']
+        else:
+            select_libs = []
+        exts.append( Extension('select', ['selectmodule.c'],
+                               libraries=select_libs) )
 
         # Fred Drake's interface to the Python parser
         exts.append( Extension('parser', ['parsermodule.c']) )
@@ -504,7 +568,7 @@
             missing.append('mmap')
 
         # Lance Ellinghaus's syslog module
-        if platform not in ['mac']:
+        if platform not in ['mac', 'mingw', 'win32']:
             # syslog daemon interface
             exts.append( Extension('syslog', ['syslogmodule.c']) )
         else:
@@ -526,6 +590,11 @@
 
         # readline
         do_readline = self.compiler.find_library_file(lib_dirs, 'readline')
+        if platform in ['mingw', 'win32']:
+            # MSVC builds don't use readline.
+            # In cross-compilation environment readline check will
+            # find libraries on build system.
+            do_readline = False
         if platform == 'darwin': # and os.uname()[2] < '9.':
             # MacOSX 10.4 has a broken readline. Don't try to build
             # the readline module unless the user has installed a fixed
@@ -535,7 +604,7 @@
             if find_file('readline/rlconf.h', inc_dirs, []) is None:
                 do_readline = False
         if do_readline:
-            if sys.platform == 'darwin':
+            if platform == 'darwin':
                 # In every directory on the search path search for a dynamic
                 # library and then a static library, instead of first looking
                 # for dynamic libraries on the entire path.
@@ -565,7 +634,7 @@
         else:
             missing.append('readline')
 
-        if platform not in ['mac']:
+        if platform not in ['mac', 'mingw', 'win32']:
             # crypt module.
 
             if self.compiler.find_library_file(lib_dirs, 'crypt'):
@@ -580,7 +649,12 @@
         exts.append( Extension('_csv', ['_csv.c']) )
 
         # socket(2)
+        if platform in ['mingw', 'win32']:
+            socket_libs = ['ws2_32']
+        else:
+            socket_libs = []
         exts.append( Extension('_socket', ['socketmodule.c'],
+                               libraries=socket_libs,
                                depends = ['socketmodule.h']) )
         # Detect SSL support for the socket module (via _ssl)
         search_for_ssl_incs_in = [
@@ -602,10 +676,13 @@
 
         if (ssl_incs is not None and
             ssl_libs is not None):
+            _ssl_libs = ['ssl', 'crypto']
+            if platform in ['mingw', 'win32']:
+                _ssl_libs.append('ws2_32')
             exts.append( Extension('_ssl', ['_ssl.c'],
                                    include_dirs = ssl_incs,
                                    library_dirs = ssl_libs,
-                                   libraries = ['ssl', 'crypto'],
+                                   libraries = _ssl_libs,
                                    depends = ['socketmodule.h']), )
         else:
             missing.append('_ssl')
@@ -658,6 +735,29 @@
             exts.append( Extension('_md5', ['md5module.c']) )
             exts.append( Extension('_sha1', ['sha1module.c']) )
 
+        # Modules with some Windows dependencies:
+        if platform in ['mingw', 'win32']:
+            srcdir = sysconfig.get_config_var('srcdir')
+            pc_srcdir = os.path.abspath(os.path.join(srcdir, 'PC'))
+
+            exts.append( Extension('msvcrt', [os.path.join(pc_srcdir, p)
+                for p in ['msvcrtmodule.c']]) )
+
+            exts.append( Extension('_msi', [os.path.join(pc_srcdir, p)
+                for p in ['_msi.c']]) )
+
+            exts.append( Extension('_subprocess', [os.path.join(pc_srcdir, p)
+                for p in ['_subprocess.c']]) )
+
+            # On win32 host(mingw build in MSYS environment) show that site.py
+            # fail to load if some modules are not build-in:
+            #exts.append( Extension('winreg', [os.path.join(pc_srcdir, p)
+            #    for p in ['winreg.c']]) )
+
+            exts.append( Extension('winsound', [os.path.join(pc_srcdir, p)
+                for p in ['winsound.c']],
+                libraries=['winmm']) )
+
         # Modules that provide persistent dictionary-like semantics.  You will
         # probably want to arrange for at least one of them to be available on
         # your machine, though none are defined by default because of library
@@ -747,13 +847,14 @@
                 '_sqlite/util.c', ]
 
             sqlite_defines = []
-            if sys.platform != "win32":
+            #NOTE: don't add mingw here
+            if platform != 'win32':
                 sqlite_defines.append(('MODULE_NAME', '"sqlite3"'))
             else:
                 sqlite_defines.append(('MODULE_NAME', '\\"sqlite3\\"'))
 
 
-            if sys.platform == 'darwin':
+            if platform == 'darwin':
                 # In every directory on the search path search for a dynamic
                 # library and then a static library, instead of first looking
                 # for dynamic libraries on the entiry path.
@@ -775,7 +876,7 @@
             missing.append('_sqlite3')
 
         # The standard Unix dbm module:
-        if platform not in ['cygwin']:
+        if platform not in ['cygwin', 'mingw', 'win32']:
             if find_file("ndbm.h", inc_dirs, []) is not None:
                 # Some systems have -lndbm, others don't
                 if self.compiler.find_library_file(lib_dirs, 'ndbm'):
@@ -818,7 +919,7 @@
             missing.append('_gdbm')
 
         # Unix-only modules
-        if platform not in ['mac', 'win32']:
+        if platform not in ['mac', 'mingw', 'win32']:
             # Steen Lumholt's termios module
             exts.append( Extension('termios', ['termios.c']) )
             # Jeremy Hylton's rlimit interface
@@ -843,7 +944,12 @@
         # Curses support, requiring the System V version of curses, often
         # provided by the ncurses library.
         panel_library = 'panel'
-        if (self.compiler.find_library_file(lib_dirs, 'ncursesw')):
+        if platform in ['mingw', 'win32']:
+            # MSVC build is without _curses module.
+            # Also in cross-compilation environment the code below
+            # find libraries from build system, so ignore it.
+            pass
+        elif (self.compiler.find_library_file(lib_dirs, 'ncursesw')):
             curses_libs = ['ncursesw']
             # Bug 1464056: If _curses.so links with ncursesw,
             # _curses_panel.so must link with panelw.
@@ -906,7 +1012,7 @@
                     break
             if version >= version_req:
                 if (self.compiler.find_library_file(lib_dirs, 'z')):
-                    if sys.platform == "darwin":
+                    if platform == "darwin":
                         zlib_extra_link_args = ('-Wl,-search_paths_first',)
                     else:
                         zlib_extra_link_args = ()
@@ -938,7 +1044,7 @@
 
         # Gustavo Niemeyer's bz2 module.
         if (self.compiler.find_library_file(lib_dirs, 'bz2')):
-            if sys.platform == "darwin":
+            if platform == "darwin":
                 bz2_extra_link_args = ('-Wl,-search_paths_first',)
             else:
                 bz2_extra_link_args = ()
@@ -1000,7 +1106,7 @@
         # _fileio -- supposedly cross platform
         exts.append(Extension('_fileio', ['_fileio.c']))
         # Richard Oudkerk's multiprocessing module
-        if platform == 'win32':             # Windows
+        if platform in ['mingw', 'win32']:  # Windows
             macros = dict()
             libraries = ['ws2_32']
 
@@ -1048,7 +1154,7 @@
                 )
             libraries = ['rt']
 
-        if platform == 'win32':
+        if platform in ['mingw', 'win32']:
             multiprocessing_srcs = [ '_multiprocessing/multiprocessing.c',
                                      '_multiprocessing/semaphore.c',
                                      '_multiprocessing/pipe_connection.c',
@@ -1192,7 +1298,7 @@
             # Check for the include files on Debian and {Free,Open}BSD, where
             # they're put in /usr/include/{tcl,tk}X.Y
             dotversion = version
-            if '.' not in dotversion and "bsd" in sys.platform.lower():
+            if '.' not in dotversion and "bsd" in platform.lower():
                 # OpenBSD and FreeBSD use Tcl/Tk library names like libtcl83.a,
                 # but the include subdirs are named like .../include/tcl8.3.
                 dotversion = dotversion[:-1] + '.' + dotversion[-1]
@@ -1221,6 +1327,9 @@
         if platform == 'sunos5':
             include_dirs.append('/usr/openwin/include')
             added_lib_dirs.append('/usr/openwin/lib')
+        elif platform in ['mingw', 'win32']:
+            # mingw&win32 don't use X11 headers and libraries
+            pass
         elif os.path.exists('/usr/X11R6/include'):
             include_dirs.append('/usr/X11R6/include')
             added_lib_dirs.append('/usr/X11R6/lib64')
@@ -1256,8 +1365,8 @@
         if platform in ['aix3', 'aix4']:
             libs.append('ld')
 
-        # Finally, link with the X11 libraries (not appropriate on cygwin)
-        if platform != "cygwin":
+        # Finally, link with the X11 libraries (not appropriate on cygwin, mingw)
+        if not platform in ['cygwin', 'mingw', 'win32']:
             libs.append('X11')
 
         ext = Extension('_tkinter', ['_tkinter.c', 'tkappinit.c'],
@@ -1308,8 +1417,32 @@
         return True
 
     def configure_ctypes(self, ext):
+        platform = self.get_platform()
+        if platform in ['mingw', 'win32']:
+            # win32 platform use own sources and includes
+            # from Modules/_ctypes/libffi_msvc/
+            srcdir = sysconfig.get_config_var('srcdir')
+            ffi_srcdir = os.path.abspath(os.path.join(srcdir, 'Modules',
+                                         '_ctypes', 'libffi_msvc'))
+            #FIXME: _ctypes/libffi_msvc/win64.asm ?
+            sources = [os.path.join(ffi_srcdir, p)
+                for p in ['ffi.c',
+                          'prep_cif.c',
+                          'win32.S',
+                         ]]
+            # NOTE: issue2942 don't resolve problem with assembler code.
+            # It seems to me that python refuse to build an extension
+            # if exist a source with unknown suffix.
+            self.compiler.src_extensions.append('.S')
+            ext.include_dirs.append(ffi_srcdir)
+            ext.sources.extend(sources)
+            ext.libraries.extend(['ole32', 'oleaut32', 'uuid'])
+            #AdditionalOptions="/EXPORT:DllGetClassObject,PRIVATE /EXPORT:DllCanUnloadNow,PRIVATE"
+            ext.export_symbols.extend(['DllGetClassObject PRIVATE',
+                                       'DllCanUnloadNow PRIVATE'])
+            return True
         if not self.use_system_libffi:
-            if sys.platform == 'darwin':
+            if platform == 'darwin':
                 return self.configure_ctypes_darwin(ext)
 
             (srcdir,) = sysconfig.get_config_vars('srcdir')
@@ -1373,14 +1506,15 @@
                    '_ctypes/malloc_closure.c']
         depends = ['_ctypes/ctypes.h']
 
-        if sys.platform == 'darwin':
+        platform = self.get_platform()
+        if platform == 'darwin':
             sources.append('_ctypes/darwin/dlfcn_simple.c')
             extra_compile_args.append('-DMACOSX')
             include_dirs.append('_ctypes/darwin')
 # XXX Is this still needed?
 ##            extra_link_args.extend(['-read_only_relocs', 'warning'])
 
-        elif sys.platform == 'sunos5':
+        elif platform == 'sunos5':
             # XXX This shouldn't be necessary; it appears that some
             # of the assembler code is non-PIC (i.e. it has relocations
             # when it shouldn't. The proper fix would be to rewrite
@@ -1391,7 +1525,7 @@
             # finding some -z option for the Sun compiler.
             extra_link_args.append('-mimpure-text')
 
-        elif sys.platform.startswith('hp-ux'):
+        elif platform.startswith('hp-ux'):
             extra_link_args.append('-fPIC')
 
         ext = Extension('_ctypes',
@@ -1401,14 +1535,19 @@
                         libraries=[],
                         sources=sources,
                         depends=depends)
+        if platform in ['mingw', 'win32']:
+            ctypes_test_libs = ['oleaut32']
+        else:
+            ctypes_test_libs = []
         ext_test = Extension('_ctypes_test',
+                             libraries=ctypes_test_libs,
                              sources=['_ctypes/_ctypes_test.c'])
         self.extensions.extend([ext, ext_test])
 
         if not '--with-system-ffi' in sysconfig.get_config_var("CONFIG_ARGS"):
             return
 
-        if sys.platform == 'darwin':
+        if platform == 'darwin':
             # OS X 10.5 comes with libffi.dylib; the include files are
             # in /usr/include/ffi
             inc_dirs.append('/usr/include/ffi')