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diff --git a/gcc-4.9/gcc/ada/mkdir.c b/gcc-4.9/gcc/ada/mkdir.c
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+/****************************************************************************
+ * *
+ * GNAT COMPILER COMPONENTS *
+ * *
+ * M K D I R *
+ * *
+ * C Implementation File *
+ * *
+ * Copyright (C) 2002-2012, Free Software Foundation, Inc. *
+ * *
+ * GNAT is free software; you can redistribute it and/or modify it under *
+ * terms of the GNU General Public License as published by the Free Soft- *
+ * ware Foundation; either version 3, or (at your option) any later ver- *
+ * sion. GNAT is distributed in the hope that it will be useful, but WITH- *
+ * OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY *
+ * or FITNESS FOR A PARTICULAR PURPOSE. *
+ * *
+ * As a special exception under Section 7 of GPL version 3, you are granted *
+ * additional permissions described in the GCC Runtime Library Exception, *
+ * version 3.1, as published by the Free Software Foundation. *
+ * *
+ * You should have received a copy of the GNU General Public License and *
+ * a copy of the GCC Runtime Library Exception along with this program; *
+ * see the files COPYING3 and COPYING.RUNTIME respectively. If not, see *
+ * <http://www.gnu.org/licenses/>. *
+ * *
+ * GNAT was originally developed by the GNAT team at New York University. *
+ * Extensive contributions were provided by Ada Core Technologies Inc. *
+ * *
+ ****************************************************************************/
+
+#ifdef __vxworks
+#include "vxWorks.h"
+#include <version.h>
+#endif /* __vxworks */
+
+#ifdef IN_RTS
+#include "tconfig.h"
+#include "tsystem.h"
+#include <sys/stat.h>
+#else
+#include "config.h"
+#include "system.h"
+#endif
+
+#ifdef __MINGW32__
+#include "mingw32.h"
+#include <windows.h>
+#ifdef MAXPATHLEN
+#define GNAT_MAX_PATH_LEN MAXPATHLEN
+#else
+#define GNAT_MAX_PATH_LEN 256
+#endif
+#endif
+
+#include "adaint.h"
+
+/* This function provides a portable binding to the mkdir function. */
+
+int
+__gnat_mkdir (char *dir_name, int encoding ATTRIBUTE_UNUSED)
+{
+#if defined (__vxworks) && !(defined (__RTP__) && (_WRS_VXWORKS_MINOR != 0))
+ return mkdir (dir_name);
+#elif defined (__MINGW32__)
+ TCHAR wname [GNAT_MAX_PATH_LEN + 2];
+
+ if (encoding == Encoding_Unspecified)
+ S2WSC (wname, dir_name, GNAT_MAX_PATH_LEN);
+ else if (encoding == Encoding_UTF8)
+ S2WSU (wname, dir_name, GNAT_MAX_PATH_LEN);
+ else
+ S2WS (wname, dir_name, GNAT_MAX_PATH_LEN);
+
+ return _tmkdir (wname);
+#else
+ return mkdir (dir_name, S_IRWXU | S_IRWXG | S_IRWXO);
+#endif
+}