diff --git a/libconfig-1.4.9/lib/wincompat.h b/libconfig-1.4.9/lib/wincompat.h
new file mode 100644
index 0000000000000000000000000000000000000000..23d7379e29df3d138dcb4c4331e0ea58458e50cf
--- /dev/null
+++ b/libconfig-1.4.9/lib/wincompat.h
@@ -0,0 +1,90 @@
+/* ----------------------------------------------------------------------------
+   libconfig - A library for processing structured configuration files
+   Copyright (C) 2005-2010  Mark A Lindner
+
+   This file is part of libconfig.
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public License
+   as published by the Free Software Foundation; either version 2.1 of
+   the License, or (at your option) any later version.
+
+   This library is distributed in the hope that it will be useful, but
+   WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with this library; if not, see
+   <http://www.gnu.org/licenses/>.
+   ----------------------------------------------------------------------------
+*/
+
+#ifndef __wincompat_h
+#define __wincompat_h
+
+#if defined(WIN32) || defined(_WIN32) || defined(__WIN32__)
+
+#ifdef _MSC_VER
+#pragma warning (disable: 4996)
+#endif
+
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
+
+#define snprintf  _snprintf
+
+#ifndef __MINGW32__
+#define atoll     _atoi64
+#define strtoull  _strtoui64
+#endif /* __MINGW32__ */
+
+#endif
+
+#if (defined(WIN32) || defined(_WIN32) || defined(__WIN32__) \
+     || defined(__MINGW32__))
+
+/* Why does gcc on MinGW use the Visual C++ style format directives
+ * for 64-bit integers? Inquiring minds want to know....
+ */
+
+#define INT64_FMT "%I64d"
+#define UINT64_FMT "%I64u"
+
+#define INT64_HEX_FMT "%I64X"
+
+#define FILE_SEPARATOR "\\"
+
+#else /* defined(WIN32) || defined(__MINGW32__) */
+
+#define INT64_FMT "%lld"
+#define UINT64_FMT "%llu"
+
+#define INT64_HEX_FMT "%llX"
+
+#define FILE_SEPARATOR "/"
+
+#endif /* defined(WIN32) || defined(__MINGW32__) */
+
+#if (defined(WIN32) || defined(_WIN32) || defined(__WIN32__)) \
+  && ! defined(__MINGW32__)
+
+#define INT64_CONST(I)  (I ## i64)
+#define UINT64_CONST(I) (I ## Ui64)
+
+#ifndef INT32_MAX
+#define INT32_MAX (2147483647)
+#endif
+
+#ifndef INT32_MIN
+#define INT32_MIN (-2147483647-1)
+#endif
+
+#else /* defined(WIN32) && ! defined(__MINGW32__) */
+
+#define INT64_CONST(I)  (I ## LL)
+#define UINT64_CONST(I) (I ## ULL)
+
+#endif /* defined(WIN32) && ! defined(__MINGW32__) */
+
+#endif /* __wincompat_h */