--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/ada/mkdir.c	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,89 @@
+/****************************************************************************
+ *                                                                          *
+ *                         GNAT COMPILER COMPONENTS                         *
+ *                                                                          *
+ *                                 M K D I R                                *
+ *                                                                          *
+ *                          C Implementation File                           *
+ *                                                                          *
+ *             Copyright (C) 2002-2016, 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)
+
+  /* Pretend that the system mkdir is posix compliant even though it
+     sometimes is not, not expecting the second argument in some
+     configurations (e.g. vxworks 653 2.2, difference from 2.5). The
+     second actual argument will just be ignored in this case.  */
+
+  typedef int posix_mkdir (const char * name, mode_t mode);
+
+  posix_mkdir * vxmkdir = (posix_mkdir *)&mkdir;
+  return vxmkdir (dir_name, S_IRWXU | S_IRWXG | S_IRWXO);
+
+#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
+}