Watcom support

This patch reintroduces Watcom support. Tested with OpenWatcom 1.3.

--- SVN-Latest/windows/config-compiler.h        Fri Jul 08 18:55:12 2005
+++ windows/config-compiler.h   Fri Jul 08 00:08:36 2005
@@ -157,6 +157,39 @@
 #define HAVE_STRTOLL 1

 ♀
+/* -------------------- */
+/* OpenWatcom section.  */
+/* -------------------- */
+#elif defined __WATCOMC__
+
+#define OS_TYPE "Windows-Watcom"
+
+#define LL(n) n##LL
+
+#define stat_alias _stati64
+#define fstat_alias _fstati64
+#define struct_stat struct _stati64
+#define struct_fstat struct _stati64
+
+/* OpenWatcom 1.3 (or older) prototypes gai_strerror(), but is missing
+   from all import libraries. */
+#ifdef ENABLE_IPV6
+# define NEED_GAI_STRERROR
+#endif
+
+#define HAVE_STDINT_H 1
+#define HAVE_INTTYPES_H 1
+#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                /* avoid redefinition warning */
+#define SIZEOF_LONG_LONG 8
+
+♀
 #else
 # error Your compiler is not supported.
 #endif

---------------

Only problem I have seen so far is in touch(). The utime() is
done while file is open (active). So Watcom reacts with EACCESS
(Permission denied).

--gv