re PR bootstrap/88106 (Bootstrap failure on mingw32)

	PR bootstrap/88106
	* config/mingw32/affinity-fmt.c: New file.

From-SVN: r266309

libgomp/ChangeLog

+2018-11-20  Jakub Jelinek  <jakub@redhat.com>
+
+	PR bootstrap/88106
+	* config/mingw32/affinity-fmt.c: New file.
+
 2018-11-09  Jakub Jelinek  <jakub@redhat.com>
 
 	* affinity-fmt.c: Include inttypes.h if HAVE_INTTYPES_H.

libgomp/config/mingw32/affinity-fmt.c

+/* Copyright (C) 2018 Free Software Foundation, Inc.
+   Contributed by Jakub Jelinek <jakub@redhat.com>.
+
+   This file is part of the GNU Offloading and Multi Processing Library
+   (libgomp).
+
+   Libgomp is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3, or (at your option)
+   any later version.
+
+   Libgomp 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 General Public License for
+   more details.
+
+   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/>.  */
+
+#include "libgomp.h"
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+#ifdef HAVE_INTTYPES_H
+# include <inttypes.h>  /* For PRIx64.  */
+#endif
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
+#include <errno.h>
+
+static int
+gomp_gethostname (char *name, size_t len)
+{
+  /* On Win9x GetComputerName fails if the input size is less
+     than MAX_COMPUTERNAME_LENGTH + 1.  */
+  char buffer[MAX_COMPUTERNAME_LENGTH + 1];
+  DWORD size = sizeof (buffer);
+  int ret = 0;
+
+  if (!GetComputerName (buffer, &size))
+    return -1;
+
+  if ((size = strlen (buffer) + 1) > len)
+    {
+      errno = EINVAL;
+      /* Truncate as per POSIX spec.  We do not NUL-terminate. */
+      size = len;
+      ret = -1;
+    }
+  memcpy (name, buffer, (size_t) size);
+
+  return ret;
+}
+
+#undef gethostname
+#define gethostname gomp_gethostname
+#define  HAVE_GETHOSTNAME 1
+
+#include "../../affinity-fmt.c"