Remove the build time generation of config.h and xmlversion.h.

third_party/libxml/win32/config.h

+#ifndef __LIBXML_WIN32_CONFIG__
+#define __LIBXML_WIN32_CONFIG__
+
+#define HAVE_CTYPE_H
+#define HAVE_STDARG_H
+#define HAVE_MALLOC_H
+#define HAVE_ERRNO_H
+
+#if defined(_WIN32_WCE)
+#undef HAVE_ERRNO_H
+#include <windows.h>
+#include "wincecompat.h"
+#else
+#define HAVE_SYS_STAT_H
+#define HAVE__STAT
+#define HAVE_STAT
+#define HAVE_STDLIB_H
+#define HAVE_TIME_H
+#define HAVE_FCNTL_H
+#include <io.h>
+#include <direct.h>
+#endif
+
+#include <libxml/xmlversion.h>
+
+#ifndef ICONV_CONST
+#define ICONV_CONST const
+#endif
+
+#ifdef NEED_SOCKETS
+#include <wsockcompat.h>
+#endif
+
+/*
+ * Windows platforms may define except 
+ */
+#undef except
+
+#define HAVE_ISINF
+#define HAVE_ISNAN
+#include <math.h>
+#if defined(_MSC_VER) || defined(__BORLANDC__)
+/* MS C-runtime has functions which can be used in order to determine if
+   a given floating-point variable contains NaN, (+-)INF. These are 
+   preferred, because floating-point technology is considered propriatary
+   by MS and we can assume that their functions know more about their 
+   oddities than we do. */
+#include <float.h>
+/* Bjorn Reese figured a quite nice construct for isinf() using the _fpclass
+   function. */
+#ifndef isinf
+#define isinf(d) ((_fpclass(d) == _FPCLASS_PINF) ? 1 \
+        : ((_fpclass(d) == _FPCLASS_NINF) ? -1 : 0))
+#endif
+/* _isnan(x) returns nonzero if (x == NaN) and zero otherwise. */
+#ifndef isnan
+#define isnan(d) (_isnan(d))
+#endif
+#else /* _MSC_VER */
+#ifndef isinf
+static int isinf (double d) {
+    int expon = 0;
+    double val = frexp (d, &expon);
+    if (expon == 1025) {
+        if (val == 0.5) {
+            return 1;
+        } else if (val == -0.5) {
+            return -1;
+        } else {
+            return 0;
+        }
+    } else {
+        return 0;
+    }
+}
+#endif
+#ifndef isnan
+static int isnan (double d) {
+    int expon = 0;
+    double val = frexp (d, &expon);
+    if (expon == 1025) {
+        if (val == 0.5) {
+            return 0;
+        } else if (val == -0.5) {
+            return 0;
+        } else {
+            return 1;
+        }
+    } else {
+        return 0;
+    }
+}
+#endif
+#endif /* _MSC_VER */
+
+#if defined(_MSC_VER)
+#define mkdir(p,m) _mkdir(p)
+#define snprintf _snprintf
+#if _MSC_VER < 1500
+#define vsnprintf(b,c,f,a) _vsnprintf(b,c,f,a)
+#endif
+#elif defined(__MINGW32__)
+#define mkdir(p,m) _mkdir(p)
+#endif
+
+/* Threading API to use should be specified here for compatibility reasons.
+   This is however best specified on the compiler's command-line. */
+#if defined(LIBXML_THREAD_ENABLED)
+#if !defined(HAVE_PTHREAD_H) && !defined(HAVE_WIN32_THREADS) && !defined(_WIN32_WCE)
+#define HAVE_WIN32_THREADS
+#endif
+#endif
+
+/* Some third-party libraries far from our control assume the following
+   is defined, which it is not if we don't include windows.h. */
+#if !defined(FALSE)
+#define FALSE 0
+#endif
+#if !defined(TRUE)
+#define TRUE (!(FALSE))
+#endif
+
+#endif /* __LIBXML_WIN32_CONFIG__ */
+