diff -ur Python-2.7.orig/Modules/posixmodule.c Python-2.7/Modules/posixmodule.c
--- Python-2.7.orig/Modules/posixmodule.c	2010-06-17 18:38:34.000000000 +0200
+++ Python-2.7/Modules/posixmodule.c	2010-10-19 14:12:37.941462697 +0200
@@ -120,7 +120,7 @@
 #define HAVE_SYSTEM     1
 #define HAVE_WAIT       1
 #else
-#ifdef _MSC_VER         /* Microsoft compiler */
+#if defined(_MSC_VER) || defined(__MINGW32__)         /* Microsoft or MinGW compiler */
 #define HAVE_GETCWD     1
 #define HAVE_SPAWNV     1
 #define HAVE_EXECV      1
@@ -173,7 +173,7 @@
 #if defined(PYCC_VACPP)
 extern int mkdir(char *);
 #else
-#if ( defined(__WATCOMC__) || defined(_MSC_VER) ) && !defined(__QNX__)
+#if ( defined(__WATCOMC__) || defined(_MSC_VER) || defined(__MINGW32__) ) && !defined(__QNX__)
 extern int mkdir(const char *);
 #else
 extern int mkdir(const char *, mode_t);
@@ -258,7 +258,7 @@
 #endif
 #endif
 
-#ifdef _MSC_VER
+#if defined(_MSC_VER) || defined(__MINGW32__)
 #ifdef HAVE_DIRECT_H
 #include <direct.h>
 #endif
@@ -9181,7 +9182,7 @@
 }
 
 
-#if (defined(_MSC_VER) || defined(__WATCOMC__) || defined(__BORLANDC__)) && !defined(__QNX__)
+#if (defined(_MSC_VER) || defined(__MINGW32__) || defined(__WATCOMC__) || defined(__BORLANDC__)) && !defined(__QNX__)
 #define INITFUNC initnt
 #define MODNAME "nt"
 
diff -ur Python-2.7.orig/Modules/selectmodule.c Python-2.7/Modules/selectmodule.c
--- Python-2.7.orig/Modules/selectmodule.c	2010-05-09 16:46:46.000000000 +0200
+++ Python-2.7/Modules/selectmodule.c	2010-10-19 13:57:58.165463069 +0200
@@ -111,9 +111,9 @@
         v = PyObject_AsFileDescriptor( o );
         if (v == -1) goto finally;
 
-#if defined(_MSC_VER)
+#if defined(_MSC_VER) || defined(__MINGW32__)
         max = 0;                             /* not used for Win32 */
-#else  /* !_MSC_VER */
+#else  /* !(defined(_MSC_VER) || defined(__MINGW32__)) */
         if (v < 0 || v >= FD_SETSIZE) {
             PyErr_SetString(PyExc_ValueError,
                         "filedescriptor out of range in select()");
@@ -121,7 +121,7 @@
         }
         if (v > max)
             max = v;
-#endif /* _MSC_VER */
+#endif /* defined(_MSC_VER) || defined(__MINGW32__) */
         FD_SET(v, set);
 
         /* add object and its file descriptor to the list */
@@ -164,7 +164,7 @@
     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__))
             if (fd > FD_SETSIZE) {
                 PyErr_SetString(PyExc_SystemError,
                "filedescriptor out of range returned in select()");
diff -ur Python-2.7.orig/Modules/signalmodule.c Python-2.7/Modules/signalmodule.c
--- Python-2.7.orig/Modules/signalmodule.c	2010-05-09 16:46:46.000000000 +0200
+++ Python-2.7/Modules/signalmodule.c	2010-10-19 13:57:58.165463069 +0200
@@ -7,7 +7,7 @@
 #include "intrcheck.h"
 
 #ifdef MS_WINDOWS
-#include <Windows.h>
+#include <windows.h>
 #ifdef HAVE_PROCESS_H
 #include <process.h>
 #endif
diff -ur Python-2.7.orig/Python/dynload_win.c Python-2.7/Python/dynload_win.c
--- Python-2.7.orig/Python/dynload_win.c	2010-05-09 16:46:46.000000000 +0200
+++ Python-2.7/Python/dynload_win.c	2010-10-19 13:57:58.165463069 +0200
@@ -28,7 +28,7 @@
 /* Case insensitive string compare, to avoid any dependencies on particular
    C RTL implementations */
 
-static int strcasecmp (char *string1, char *string2)
+static int my_strcasecmp (char *string1, char *string2)
 {
     int first, second;
 
@@ -257,7 +257,7 @@
             import_python = GetPythonImport(hDLL);
 
             if (import_python &&
-                strcasecmp(buffer,import_python)) {
+                my_strcasecmp(buffer,import_python)) {
                 PyOS_snprintf(buffer, sizeof(buffer),
                               "Module use of %.150s conflicts "
                               "with this version of Python.",