diff --git a/Include/Python.h b/Include/Python.h
index aed1b7b..f0be28f 100644
--- a/Include/Python.h
+++ b/Include/Python.h
@@ -35,7 +35,7 @@
 #endif
 
 #include <string.h>
-#ifndef DONT_HAVE_ERRNO_H
+#ifdef HAVE_ERRNO_H
 #include <errno.h>
 #endif
 #include <stdlib.h>
diff --git a/Include/pyport.h b/Include/pyport.h
index 47b9f70..be6c51f 100644
--- a/Include/pyport.h
+++ b/Include/pyport.h
@@ -240,10 +240,10 @@
  * to your pyconfig.h. Python code beyond this should check HAVE_STAT and
  * HAVE_FSTAT instead.
  * Also
- *      #define DONT_HAVE_SYS_STAT_H
- * if <sys/stat.h> doesn't exist on your platform, and
+ *      #define HAVE_SYS_STAT_H
+ * if <sys/stat.h> exists on your platform, and
  *      #define HAVE_STAT_H
- * if <stat.h> does (don't look at me -- ths mess is inherited).
+ * if <stat.h> does.
  */
 #ifndef DONT_HAVE_STAT
 #define HAVE_STAT
@@ -258,7 +258,7 @@
 #include "unixstuff.h"
 #endif
 
-#ifndef DONT_HAVE_SYS_STAT_H
+#ifdef HAVE_SYS_STAT_H
 #if defined(PYOS_OS2) && defined(PYCC_GCC)
 #include <sys/types.h>
 #endif
diff --git a/Modules/_hotshot.c b/Modules/_hotshot.c
index 5a81bfb..6d9776f 100644
--- a/Modules/_hotshot.c
+++ b/Modules/_hotshot.c
@@ -14,7 +14,11 @@
  */
 #ifdef MS_WINDOWS
 #include <windows.h>
+
+#ifdef HAVE_DIRECT_H
 #include <direct.h>    /* for getcwd() */
+#endif
+
 typedef __int64 hs_time;
 #define GETTIMEOFDAY(P_HS_TIME) \
 	{ LARGE_INTEGER _temp; \
diff --git a/Modules/_localemodule.c b/Modules/_localemodule.c
index c016cd7..abfca4e 100644
--- a/Modules/_localemodule.c
+++ b/Modules/_localemodule.c
@@ -16,7 +16,7 @@
 #include <string.h>
 #include <ctype.h>
 
-#ifndef DONT_HAVE_ERRNO_H
+#ifdef HAVE_ERRNO_H
 #include <errno.h>
 #endif
 
diff --git a/Modules/arraymodule.c b/Modules/arraymodule.c
index eb6ceef..ba154ca 100644
--- a/Modules/arraymodule.c
+++ b/Modules/arraymodule.c
@@ -10,9 +10,9 @@
 #ifdef STDC_HEADERS
 #include <stddef.h>
 #else /* !STDC_HEADERS */
-#ifndef DONT_HAVE_SYS_TYPES_H
+#ifdef HAVE_SYS_TYPES_H
 #include <sys/types.h>		/* For size_t */
-#endif /* DONT_HAVE_SYS_TYPES_H */
+#endif /* HAVE_SYS_TYPES_H */
 #endif /* !STDC_HEADERS */
 
 struct arrayobject; /* Forward */
diff --git a/Modules/mmapmodule.c b/Modules/mmapmodule.c
index 19970c9..b2dd675 100644
--- a/Modules/mmapmodule.c
+++ b/Modules/mmapmodule.c
@@ -50,7 +50,10 @@
 #endif /* UNIX */
 
 #include <string.h>
+
+#ifdef HAVE_SYS_TYPES_H
 #include <sys/types.h>
+#endif /* HAVE_SYS_TYPES_H */
 
 /* Prefer MAP_ANONYMOUS since MAP_ANON is deprecated according to man page. */
 #if !defined(MAP_ANONYMOUS) && defined(MAP_ANON)
diff --git a/Modules/posixmodule.c b/Modules/posixmodule.c
index 12e1c83..6dcf1b0 100644
--- a/Modules/posixmodule.c
+++ b/Modules/posixmodule.c
@@ -64,14 +64,21 @@
 #include "osdefs.h"
 #endif
 
+#ifdef HAVE_SYS_TYPES_H
 #include <sys/types.h>
+#endif /* HAVE_SYS_TYPES_H */
+
+#ifdef HAVE_SYS_STAT_H
 #include <sys/stat.h>
+#endif /* HAVE_SYS_STAT_H */
 
 #ifdef HAVE_SYS_WAIT_H
 #include <sys/wait.h>		/* For WNOHANG */
 #endif
 
+#ifdef HAVE_SIGNAL_H
 #include <signal.h>
+#endif
 
 #ifdef HAVE_FCNTL_H
 #include <fcntl.h>
@@ -246,9 +253,15 @@
 #endif
 
 #ifdef _MSC_VER
+#ifdef HAVE_DIRECT_H
 #include <direct.h>
+#endif
+#ifdef HAVE_IO_H
 #include <io.h>
+#endif
+#ifdef HAVE_PROCESS_H
 #include <process.h>
+#endif
 #include "osdefs.h"
 #define _WIN32_WINNT 0x0400	  /* Needed for CryptoAPI on some systems */
 #include <windows.h>
diff --git a/Modules/selectmodule.c b/Modules/selectmodule.c
index dfa4e85..ef67888 100644
--- a/Modules/selectmodule.c
+++ b/Modules/selectmodule.c
@@ -36,7 +36,7 @@
 extern void bzero(void *, int);
 #endif
 
-#ifndef DONT_HAVE_SYS_TYPES_H
+#ifdef HAVE_SYS_TYPES_H
 #include <sys/types.h>
 #endif
 
diff --git a/Modules/socketmodule.c b/Modules/socketmodule.c
index 262abe8..2d3fc56 100644
--- a/Modules/socketmodule.c
+++ b/Modules/socketmodule.c
@@ -234,7 +234,9 @@
 #endif
 
 /* Generic includes */
+#ifdef HAVE_SYS_TYPES_H
 #include <sys/types.h>
+#endif
 
 /* Generic socket object definitions and includes */
 #define PySocket_BUILDING_SOCKET
@@ -270,7 +272,9 @@
 #else
 
 /* MS_WINDOWS includes */
-# include <fcntl.h>
+# ifdef HAVE_FCNTL_H
+#  include <fcntl.h>
+# endif
 
 #endif
 
@@ -290,7 +294,7 @@
    * _SS_ALIGNSIZE is defined in sys/socket.h by 6.5.21,
    * for example, but not by 6.5.10.
    */
-#elif defined(_MSC_VER) && _MSC_VER>1200
+#elif defined(_MSC_VER) && _MSC_VER>1201
   /* Do not include addrinfo.h for MSVC7 or greater. 'addrinfo' and
    * EAI_* constants are defined in (the already included) ws2tcpip.h.
    */
diff --git a/Modules/timemodule.c b/Modules/timemodule.c
index 87e543f..23de173 100644
--- a/Modules/timemodule.c
+++ b/Modules/timemodule.c
@@ -19,7 +19,9 @@
 
 #include <ctype.h>
 
+#ifdef HAVE_SYS_TYPES_H
 #include <sys/types.h>
+#endif /* HAVE_SYS_TYPES_H */
 
 #ifdef QUICKWIN
 #include <io.h>
diff --git a/Objects/fileobject.c b/Objects/fileobject.c
index 5e7f461..2b37e74 100644
--- a/Objects/fileobject.c
+++ b/Objects/fileobject.c
@@ -4,9 +4,9 @@
 #include "Python.h"
 #include "structmember.h"
 
-#ifndef DONT_HAVE_SYS_TYPES_H
+#ifdef HAVE_SYS_TYPES_H
 #include <sys/types.h>
-#endif /* DONT_HAVE_SYS_TYPES_H */
+#endif /* HAVE_SYS_TYPES_H */
 
 #ifdef MS_WINDOWS
 #define fileno _fileno
diff --git a/PC/getpathp.c b/PC/getpathp.c
index 37a9c0b..2bd3f26 100644
--- a/PC/getpathp.c
+++ b/PC/getpathp.c
@@ -62,8 +62,14 @@
 #include <tchar.h>
 #endif
 
+#ifdef HAVE_SYS_TYPES_H
 #include <sys/types.h>
+#endif /* HAVE_SYS_TYPES_H */
+
+#ifdef HAVE_SYS_STAT_H
 #include <sys/stat.h>
+#endif /* HAVE_SYS_STAT_H */
+
 #include <string.h>
 
 /* Search in some common locations for the associated Python libraries.
diff --git a/PC/os2emx/pyconfig.h b/PC/os2emx/pyconfig.h
index afe79e4..3d6e5f1 100644
--- a/PC/os2emx/pyconfig.h
+++ b/PC/os2emx/pyconfig.h
@@ -254,15 +254,33 @@
 /* Define if you have the waitpid function. */
 #define HAVE_WAITPID 1
 
+/* Define if you have the <conio.h> header file. */
+#undef HAVE_CONIO_H
+
+/* Define if you have the <direct.h> header file. */
+#undef HAVE_DIRECT_H
+
 /* Define if you have the <dirent.h> header file. */
 #define HAVE_DIRENT_H 1
 
+/* Define if you have the <errno.h> header file. */
+#define HAVE_ERRNO_H 1
+
 /* Define if you have the <fcntl.h> header file. */
 #define HAVE_FCNTL_H 1
 
+/* Define if you have the <io.h> header file. */
+#undef HAVE_IO_H
+
 /* Define if you have the <ncurses.h> header file. */
 #define HAVE_NCURSES_H 1
 
+/* Define to 1 if you have the <process.h> header file. */
+#define HAVE_PROCESS_H 1
+
+/* Define if you have the <signal.h> header file. */
+#define HAVE_SIGNAL_H 1
+
 /* Define if you have the <sys/file.h> header file. */
 #define HAVE_SYS_FILE_H 1
 
@@ -272,12 +290,18 @@
 /* Define if you have the <sys/select.h> header file. */
 #define HAVE_SYS_SELECT_H 1
 
+/* Define if you have the <sys/stat.h> header file. */
+#define HAVE_SYS_STAT_H 1
+
 /* Define if you have the <sys/time.h> header file. */
 #define HAVE_SYS_TIME_H 1
 
 /* Define if you have the <sys/times.h> header file. */
 #define HAVE_SYS_TIMES_H 1
 
+/* Define if you have the <sys/types.h> header file. */
+#define HAVE_SYS_TYPES_H 1
+
 /* Define if you have the <sys/un.h> header file. */
 #define HAVE_SYS_UN_H 1
 
diff --git a/PC/os2vacpp/pyconfig.h b/PC/os2vacpp/pyconfig.h
index c858fe9..97f9b80 100644
--- a/PC/os2vacpp/pyconfig.h
+++ b/PC/os2vacpp/pyconfig.h
@@ -112,6 +112,10 @@
 #define HAVE_HYPOT               1 /* hypot()                               */
 #define HAVE_PUTENV              1 /* putenv()                              */
 /* #define VA_LIST_IS_ARRAY   1 */ /* if va_list is an array of some kind   */
+/* #define HAVE_CONIO_H       1 */ /* #include <conio.h>                    */
+#define HAVE_ERRNO_H             1 /* #include <errno.h>                    */
+#define HAVE_SYS_STAT_H          1 /* #include <sys/stat.h>                 */
+#define HAVE_SYS_TYPES_H         1 /* #include <sys/types.h>                */
 
   /* Variable-Arguments/Prototypes */
 #define HAVE_PROTOTYPES          1 /* VAC++ supports C Function Prototypes  */
@@ -124,6 +128,7 @@
 #define MALLOC_ZERO_RETURNS_NULL 1 /* Our malloc(0) returns a NULL ptr      */
 
   /* Signal Handling */
+#define HAVE_SIGNAL_H            1 /* signal.h                              */
 #define RETSIGTYPE            void /* Return type of handlers (int or void) */
 /* #undef WANT_SIGFPE_HANDLER   */ /* Handle SIGFPE (see Include/pyfpe.h)   */
 /* #define HAVE_ALARM         1 */ /* alarm()                               */
@@ -163,7 +168,9 @@
 #define HAVE_SETVBUF             1 /* setvbuf()                             */
 #define HAVE_GETCWD              1 /* getcwd()                              */
 #define HAVE_PIPE                1 /* pipe()     [OS/2-specific code added] */
+#define HAVE_IO_H                1 /* #include <io.h>                       */
 #define HAVE_FCNTL_H             1 /* #include <fcntl.h>                    */
+#define HAVE_DIRECT_H            1 /* #include <direct.h>                   */
 /* #define HAVE_FLOCK         1 */ /* flock()                               */
 /* #define HAVE_TRUNCATE      1 */ /* truncate()                            */
 /* #define HAVE_FTRUNCATE     1 */ /* ftruncate()                           */
@@ -172,6 +179,7 @@
 /* #define HAVE_OPENDIR       1 */ /* opendir()                             */
 
   /* Process Operations */
+#define HAVE_PROCESS_H           1 /* #include <process.h>                  */
 #define HAVE_GETPID              1 /* getpid()                              */
 #define HAVE_SYSTEM              1 /* system()                              */
 #define HAVE_WAIT                1 /* wait()                                */
diff --git a/PC/pyconfig.h b/PC/pyconfig.h
index 14a32db..e0df673 100644
--- a/PC/pyconfig.h
+++ b/PC/pyconfig.h
@@ -78,8 +78,15 @@
 #endif
 
 #ifdef MS_WINCE
-#define DONT_HAVE_SYS_STAT_H
-#define DONT_HAVE_ERRNO_H
+/* Python uses GetVersion() to distinguish between
+ * Windows NT and 9x/ME where OS Unicode support is concerned.
+ * Windows CE supports Unicode in the same way as NT so we
+ * define the missing GetVersion() accordingly.
+ */
+#define GetVersion() (4)
+/* Windows CE does not support environment variables */
+#define getenv(v) (NULL)
+#define environ (NULL)
 #endif
 
 /* Compiler specific defines */
@@ -356,6 +363,16 @@
 /* Define to empty if the keyword does not work.  */
 /* #define const  */
 
+/* Define to 1 if you have the <conio.h> header file. */
+#ifndef MS_WINCE
+#define HAVE_CONIO_H 1
+#endif
+
+/* Define to 1 if you have the <direct.h> header file. */
+#ifndef MS_WINCE
+#define HAVE_DIRECT_H 1
+#endif
+
 /* Define if you have dirent.h.  */
 /* #define DIRENT 1 */
 
@@ -561,11 +578,26 @@
 /* Define if you have the <dlfcn.h> header file.  */
 /* #undef HAVE_DLFCN_H */
 
+/* Define to 1 if you have the <errno.h> header file. */
+#ifndef MS_WINCE
+#define HAVE_ERRNO_H 1
+#endif
+
 /* Define if you have the <fcntl.h> header file.  */
 #ifndef MS_WINCE
 #define HAVE_FCNTL_H 1
 #endif
 
+/* Define to 1 if you have the <process.h> header file. */
+#ifndef MS_WINCE
+#define HAVE_PROCESS_H 1
+#endif
+
+/* Define to 1 if you have the <signal.h> header file. */
+#ifndef MS_WINCE
+#define HAVE_SIGNAL_H 1
+#endif
+
 /* Define if you have the <stdarg.h> prototypes.  */
 #define HAVE_STDARG_PROTOTYPES
 
@@ -581,12 +613,22 @@
 /* Define if you have the <sys/select.h> header file.  */
 /* #define HAVE_SYS_SELECT_H 1 */
 
+/* Define to 1 if you have the <sys/stat.h> header file.  */
+#ifndef MS_WINCE
+#define HAVE_SYS_STAT_H 1
+#endif
+
 /* Define if you have the <sys/time.h> header file.  */
 /* #define HAVE_SYS_TIME_H 1 */
 
 /* Define if you have the <sys/times.h> header file.  */
 /* #define HAVE_SYS_TIMES_H 1 */
 
+/* Define to 1 if you have the <sys/types.h> header file.  */
+#ifndef MS_WINCE
+#define HAVE_SYS_TYPES_H 1
+#endif
+
 /* Define if you have the <sys/un.h> header file.  */
 /* #define HAVE_SYS_UN_H 1 */
 
diff --git a/PC/winsound.c b/PC/winsound.c
index bc30ccc..c593d77 100644
--- a/PC/winsound.c
+++ b/PC/winsound.c
@@ -37,7 +37,9 @@
 
 #include <windows.h>
 #include <mmsystem.h>
+#ifdef HAVE_CONIO_H
 #include <conio.h>	/* port functions on Win9x */
+#endif
 #include <Python.h>
 
 PyDoc_STRVAR(sound_playsound_doc,
diff --git a/Python/ceval.c b/Python/ceval.c
index 4d20431..e68dbb2 100644
--- a/Python/ceval.c
+++ b/Python/ceval.c
@@ -205,7 +205,7 @@
 
 #ifdef WITH_THREAD
 
-#ifndef DONT_HAVE_ERRNO_H
+#ifdef HAVE_ERRNO_H
 #include <errno.h>
 #endif
 #include "pythread.h"
diff --git a/Python/dynload_win.c b/Python/dynload_win.c
index 36746e2..37d6d2e 100644
--- a/Python/dynload_win.c
+++ b/Python/dynload_win.c
@@ -2,7 +2,9 @@
 /* Support for dynamic loading of extension modules */
 
 #include <windows.h>
+#ifdef HAVE_DIRECT_H
 #include <direct.h>
+#endif
 #include <ctype.h>
 
 #include "Python.h"
diff --git a/Python/mystrtoul.c b/Python/mystrtoul.c
index 380b37d..1fc360b 100644
--- a/Python/mystrtoul.c
+++ b/Python/mystrtoul.c
@@ -17,7 +17,7 @@
 
 
 #include <ctype.h>
-#ifndef DONT_HAVE_ERRNO_H
+#ifdef HAVE_ERRNO_H
 #include <errno.h>
 #endif
 
diff --git a/Python/pythonrun.c b/Python/pythonrun.c
index 3a282e7..7e5c696 100644
--- a/Python/pythonrun.c
+++ b/Python/pythonrun.c
@@ -17,7 +17,9 @@
 #include "eval.h"
 #include "marshal.h"
 
+#ifdef HAVE_SIGNAL_H
 #include <signal.h>
+#endif
 
 #ifdef HAVE_LANGINFO_H
 #include <locale.h>
diff --git a/Python/strtod.c b/Python/strtod.c
index 7911a94..5c084a4 100644
--- a/Python/strtod.c
+++ b/Python/strtod.c
@@ -54,7 +54,7 @@
 
 extern	double	atof(const char *);		/* Only called when result known to be ok */
 
-#ifndef DONT_HAVE_ERRNO_H
+#ifdef HAVE_ERRNO_H
 #include <errno.h>
 #endif
 extern	int	errno;
diff --git a/Python/thread_nt.h b/Python/thread_nt.h
index 0b7e84e..4dc6d6c 100644
--- a/Python/thread_nt.h
+++ b/Python/thread_nt.h
@@ -5,7 +5,9 @@
 
 #include <windows.h>
 #include <limits.h>
+#ifdef HAVE_PROCESS_H
 #include <process.h>
+#endif
 
 typedef struct NRMUTEX {
 	LONG   owned ;
diff --git a/RISCOS/pyconfig.h b/RISCOS/pyconfig.h
index 45f87be..9a34d41 100644
--- a/RISCOS/pyconfig.h
+++ b/RISCOS/pyconfig.h
@@ -553,6 +553,9 @@
 /* Define if you have the waitpid function.  */
 #undef HAVE_WAITPID
 
+/* Define if you have the <conio.h> header file. */
+#undef HAVE_CONIO_H
+
 /* Define if you have the <db.h> header file.  */
 #undef HAVE_DB_H
 
@@ -562,18 +565,27 @@
 /* Define if you have the <db_185.h> header file.  */
 #undef HAVE_DB_185_H
 
+/* Define if you have the <direct.h> header file. */
+#undef HAVE_DIRECT_H
+
 /* Define if you have the <dirent.h> header file.  */
 #undef HAVE_DIRENT_H
 
 /* Define if you have the <dlfcn.h> header file.  */
 #undef HAVE_DLFCN_H
 
+/* Define if you have the <errno.h> header file. */
+#define HAVE_ERRNO_H 1
+
 /* Define if you have the <fcntl.h> header file.  */
 #undef HAVE_FCNTL_H
 
 /* Define if you have the <gdbm/ndbm.h> header file.  */
 #undef HAVE_GDBM_NDBM_H
 
+/* Define if you have the <io.h> header file.  */
+#undef HAVE_IO_H
+
 /* Define if you have the <langinfo.h> header file.  */
 #undef HAVE_LANGINFO_H
 
@@ -595,12 +607,18 @@
 /* Define if you have the <poll.h> header file.  */
 #undef HAVE_POLL_H
 
+/* Define if you have the <process.h> header file.  */
+#undef HAVE_PROCESS_H
+
 /* Define if you have the <pthread.h> header file.  */
 #undef HAVE_PTHREAD_H
 
 /* Define if you have the <pty.h> header file.  */
 #undef HAVE_PTY_H
 
+/* Define if you have the <signal.h> header file.  */
+#define HAVE_SIGNAL_H
+
 /* Define if you have the <sys/audioio.h> header file.  */
 #undef HAVE_SYS_AUDIOIO_H
 
@@ -634,12 +652,18 @@
 /* Define if you have the <sys/socket.h> header file.  */
 #undef HAVE_SYS_SOCKET_H
 
+/* Define if you have the <sys/stat.h> header file.  */
+#define HAVE_SYS_STAT_H 1
+
 /* Define if you have the <sys/time.h> header file.  */
 #undef HAVE_SYS_TIME_H
 
 /* Define if you have the <sys/times.h> header file.  */
 #undef HAVE_SYS_TIMES_H
 
+/* Define if you have the <sys/types.h> header file.  */
+#define HAVE_SYS_TYPES_H 1
+
 /* Define if you have the <sys/un.h> header file.  */
 #undef HAVE_SYS_UN_H
 
@@ -688,7 +712,6 @@
 
 #define DONT_HAVE_FSTAT 1
 #define DONT_HAVE_STAT  1
-#undef DONT_HAVE_SYS_STAT_H
 
 #define PLATFORM "riscos"
 
diff --git a/configure b/configure
index 1b94a91..038965a 100755
--- a/configure
+++ b/configure
@@ -1,5 +1,5 @@
 #! /bin/sh
-# From configure.in Revision: 46700 .
+# From configure.in Revision: 46720 .
 # Guess values for system-dependent variables and create Makefiles.
 # Generated by GNU Autoconf 2.59 for python 2.5.
 #
@@ -4623,14 +4623,24 @@
 
 
 
-for ac_header in asm/types.h curses.h dlfcn.h fcntl.h grp.h \
-shadow.h langinfo.h libintl.h ncurses.h poll.h pthread.h \
-stropts.h termios.h thread.h \
+
+
+
+
+
+
+
+
+for ac_header in asm/types.h conio.h curses.h direct.h dlfcn.h errno.h \
+fcntl.h grp.h \
+shadow.h io.h langinfo.h libintl.h ncurses.h poll.h process.h pthread.h \
+signal.h stropts.h termios.h thread.h \
 unistd.h utime.h \
 sys/audioio.h sys/bsdtty.h sys/file.h sys/loadavg.h sys/lock.h sys/mkdev.h \
 sys/modem.h \
-sys/param.h sys/poll.h sys/select.h sys/socket.h sys/statvfs.h sys/time.h \
-sys/times.h sys/un.h sys/utsname.h sys/wait.h pty.h libutil.h \
+sys/param.h sys/poll.h sys/select.h sys/socket.h sys/statvfs.h sys/stat.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
 do
@@ -22046,9 +22056,10 @@
   # 1. Remove the extension, and $U if already installed.
   ac_i=`echo "$ac_i" |
 	 sed 's/\$U\././;s/\.o$//;s/\.obj$//'`
-  # 2. Add them.
-  ac_libobjs="$ac_libobjs $ac_i\$U.$ac_objext"
-  ac_ltlibobjs="$ac_ltlibobjs $ac_i"'$U.lo'
+  # 2. Prepend LIBOBJDIR.  When used with automake>=1.10 LIBOBJDIR
+  #    will be set to the directory where LIBOBJS objects are built.
+  ac_libobjs="$ac_libobjs \${LIBOBJDIR}$ac_i\$U.$ac_objext"
+  ac_ltlibobjs="$ac_ltlibobjs \${LIBOBJDIR}$ac_i"'$U.lo'
 done
 LIBOBJS=$ac_libobjs
 
diff --git a/configure.in b/configure.in
index 6a8bc82..8baa149 100644
--- a/configure.in
+++ b/configure.in
@@ -1066,14 +1066,16 @@
 
 # checks for header files
 AC_HEADER_STDC
-AC_CHECK_HEADERS(asm/types.h curses.h dlfcn.h fcntl.h grp.h \
-shadow.h langinfo.h libintl.h ncurses.h poll.h pthread.h \
-stropts.h termios.h thread.h \
+AC_CHECK_HEADERS(asm/types.h conio.h curses.h direct.h dlfcn.h errno.h \
+fcntl.h grp.h \
+shadow.h io.h langinfo.h libintl.h ncurses.h poll.h process.h pthread.h \
+signal.h stropts.h termios.h thread.h \
 unistd.h utime.h \
 sys/audioio.h sys/bsdtty.h sys/file.h sys/loadavg.h sys/lock.h sys/mkdev.h \
 sys/modem.h \
-sys/param.h sys/poll.h sys/select.h sys/socket.h sys/statvfs.h sys/time.h \
-sys/times.h sys/un.h sys/utsname.h sys/wait.h pty.h libutil.h \
+sys/param.h sys/poll.h sys/select.h sys/socket.h sys/statvfs.h sys/stat.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)
 AC_HEADER_DIRENT
diff --git a/pyconfig.h.in b/pyconfig.h.in
index 1468bf6..e8f0d8b 100644
--- a/pyconfig.h.in
+++ b/pyconfig.h.in
@@ -73,6 +73,9 @@
 /* Define to 1 if you have the `confstr' function. */
 #undef HAVE_CONFSTR
 
+/* Define to 1 if you have the <conio.h> header file. */
+#undef HAVE_CONIO_H
+
 /* Define to 1 if you have the `ctermid' function. */
 #undef HAVE_CTERMID
 
@@ -91,6 +94,9 @@
 /* Define if we have /dev/ptmx. */
 #undef HAVE_DEV_PTMX
 
+/* Define to 1 if you have the <direct.h> header file. */
+#undef HAVE_DIRECT_H
+
 /* Define to 1 if you have the <dirent.h> header file, and it defines `DIR'.
    */
 #undef HAVE_DIRENT_H
@@ -107,6 +113,9 @@
 /* Defined when any dynamic module loading is enabled. */
 #undef HAVE_DYNAMIC_LOADING
 
+/* Define to 1 if you have the <errno.h> header file. */
+#undef HAVE_ERRNO_H
+
 /* Define to 1 if you have the `execv' function. */
 #undef HAVE_EXECV
 
@@ -248,6 +257,9 @@
 /* Define to 1 if you have the <inttypes.h> header file. */
 #undef HAVE_INTTYPES_H
 
+/* Define to 1 if you have the <io.h> header file. */
+#undef HAVE_IO_H
+
 /* Define to 1 if you have the `kill' function. */
 #undef HAVE_KILL
 
@@ -353,6 +365,9 @@
 /* Define to 1 if you have the <poll.h> header file. */
 #undef HAVE_POLL_H
 
+/* Define to 1 if you have the <process.h> header file. */
+#undef HAVE_PROCESS_H
+
 /* Define if your compiler supports function prototype */
 #undef HAVE_PROTOTYPES
 
@@ -446,6 +461,9 @@
 /* Define to 1 if you have the `siginterrupt' function. */
 #undef HAVE_SIGINTERRUPT
 
+/* Define to 1 if you have the <signal.h> header file. */
+#undef HAVE_SIGNAL_H
+
 /* Define to 1 if you have the `sigrelse' function. */
 #undef HAVE_SIGRELSE