--- posixmodule.c	2016-06-26 00:38:38.000000000 +0300
+++ posixmodule.c.3.5.mingw	2016-09-10 10:40:23.000000000 +0300
@@ -156,6 +156,17 @@
 #define HAVE_CWAIT      1
 #define HAVE_FSYNC      1
 #define fsync _commit
+#ifdef __MINGW32__
+#define HAVE_UNISTD_H
+#define HAVE_GETPPID    1
+#define HAVE_GETLOGIN   1
+#define HAVE_SPAWNV     1
+#define HAVE_EXECV      1
+#define HAVE_PIPE       1
+#define HAVE_SYSTEM     1
+#define HAVE_CWAIT      1
+#define HAVE_FSYNC      1
+#define fsync _commit
 #else
 /* Unix functions that the configure script doesn't check for */
 #define HAVE_EXECV      1
@@ -175,6 +186,7 @@
 #define HAVE_WAIT       1
 #define HAVE_TTYNAME    1
 #endif  /* _MSC_VER */
+#endif  /* __MINGW32__ */
 #endif  /* ! __WATCOMC__ || __QNX__ */
 
 
@@ -184,7 +196,7 @@
 [clinic start generated code]*/
 /*[clinic end generated code: output=da39a3ee5e6b4b0d input=94a0f0f978acae17]*/
 
-#ifndef _MSC_VER
+#if !defined(_MSC_VER) && !defined(__MINGW32__)
 
 #if defined(__sgi)&&_COMPILER_VERSION>=700
 /* declare ctermid_r if compiling with MIPSPro 7.x in ANSI C mode
@@ -309,6 +321,13 @@
 #endif
 #endif /* _MSC_VER */
 
+#ifdef __MINGW32__
+#include <process.h>
+#include <windows.h>
+#include "osdefs.h"
+#endif
+
+
 #ifndef MAXPATHLEN
 #if defined(PATH_MAX) && PATH_MAX > 1024
 #define MAXPATHLEN PATH_MAX