More Windows patches

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The attached file has patches for:

* windows/config.h: Added 'HAVE_SYS_UTIME_H 1' which gets
  undef-ed as needed in config-compiler.h.

* windows/config-compiler.h: Added '_WIN32_WINNT=0x0501'
  as needed to pull in the prototype of getaddrinfo() etc. Digital Mars
  do have 'uintptr_t' and 'intptr_t'. Watcom do have <stdbol.h>, but
  the file canot be used since the '_Bool' builtin is missing in the
  compiler!.

* src/mswindows.c: Avoid a warning if 'ws_hangup()' is unused.

Tested with the following compilers: 
  Visual-C 6+7, MingW 3.7/gcc 3.4.5, Digital Mars 8.39 and
  Open Watcom 1.6.

--gv

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diff -u3 -Hb -r SVN-Latest/src/mswindows.c ./src/mswindows.c
--- SVN-Latest/src/mswindows.c	Tue Sep 05 09:53:08 2006
+++ ./src/mswindows.c	Wed Dec 13 14:48:11 2006
@@ -90,6 +90,7 @@
   WSACleanup ();
 }

+#if defined(CTRLBREAK_BACKGND) || defined(CTRLC_BACKGND)
 static void
 ws_hangup (const char *reason)
 {
@@ -103,6 +104,7 @@
      gesture as the parent will wait for us to terminate before resuming.  */
   FreeConsole ();
 }
+#endif

 /* Construct the name for a named section (a.k.a. `file mapping') object.
    The returned string is dynamically allocated and needs to be xfree()'d.  */
diff -u3 -Hb -r SVN-Latest/windows/config-compiler.h ./windows/config-compiler.h
--- SVN-Latest/windows/config-compiler.h	Wed Nov 01 15:31:42 2006
+++ ./windows/config-compiler.h	Wed Dec 13 14:59:05 2006
@@ -89,9 +89,17 @@
 #define SIZEOF_LONG_LONG 8
 #define HAVE_INTPTR_T 1
 #define HAVE_UINTPTR_T 1
-
 #define HAVE_STRTOLL 1
 
+/* MingW needs _WIN32_WINNT==0x0501 defined to pull in getaddrinfo()
+ * and freeaddrinfo() etc.
+ */
+#if !defined(_WIN32_WINNT) || (_WIN32_WINNT < 0x0501)
+#undef _WIN32_WINNT
+#define _WIN32_WINNT 0x0501
+#endif
+
+
 /* -------------------- */
 /* MS Visual C section. */
 /* -------------------- */
@@ -115,10 +123,11 @@
 #if _MSC_VER >= 1400
 #pragma warning ( disable : 4996 )
 #define _CRT_SECURE_NO_DEPRECATE
-#define HAVE_SYS_UTIME_H 1
-#undef HAVE_UTIME_H
 #endif
 
+#undef HAVE_UTIME_H         /* no <utime.h> */
+
+
 /* ------------------ */
 /* Borland C section. */
 /* ------------------ */
@@ -158,12 +167,16 @@
 #define HAVE_STDBOOL_H 1

 #define HAVE_UINT32_T 1
+#define HAVE_UINTPTR_T 1
+#define HAVE_INTPTR_T 1
+
 #undef SIZEOF_LONG_LONG
 #define SIZEOF_LONG_LONG 8
 #define HAVE__BOOL 1

 #define HAVE_USLEEP 1
 #define HAVE_STRTOLL 1
+#undef HAVE_UTIME_H         /* no <utime.h> */

 
 /* -------------------- */
@@ -186,15 +199,25 @@

 #define HAVE_STDINT_H 1
 #define HAVE_INTTYPES_H 1
-#define HAVE_STDBOOL_H 1
+
+/* Watcom 1.6 do have <stdbool.h>, but definition of '_Bool' is missing! */
+/* #define HAVE_STDBOOL_H 1 */
 #define HAVE_STRTOLL 1
 #define HAVE_UINT32_T 1
-#define HAVE_SYS_UTIME_H 1
 #undef HAVE_UTIME_H
 #undef socklen_t                /* avoid clash with <ws2tcpip.h> */

 #undef SIZEOF_LONG_LONG
 #define SIZEOF_LONG_LONG 8
+
+/* OpenWatcom needs _WIN32_WINNT==0x0501 defined to pull in getaddrinfo()
+ * and freeaddrinfo() etc.
+ */
+#if !defined(_WIN32_WINNT) || (_WIN32_WINNT < 0x0501)
+#undef _WIN32_WINNT
+#define _WIN32_WINNT 0x0501
+#endif
+
 
 #else
 # error Your compiler is not supported.
diff -u3 -Hb -r SVN-Latest/windows/config.h ./windows/config.h
--- SVN-Latest/windows/config.h	Tue Dec 12 12:42:11 2006
+++ ./windows/config.h	Wed Dec 13 14:52:37 2006
@@ -139,6 +139,9 @@
 /* Define to 1 if you have the <utime.h> header file. */
 #define HAVE_UTIME_H 1

+/* Define to 1 if you have the <sys/utime.h> header file. */
+#define HAVE_SYS_UTIME_H 1
+
 /* Define to 1 if you have the `vsnprintf' function. */
 #define HAVE_VSNPRINTF 1


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