Merge GDB 7.5.1

gdb/gnulib/import/m4/wint_t.m4

Index: gdb/gnulib/import/m4/wint_t.m4
diff --git a/gdb/gnulib/m4/wint_t.m4 b/gdb/gnulib/import/m4/wint_t.m4
similarity index 73%
rename from gdb/gnulib/m4/wint_t.m4
rename to gdb/gnulib/import/m4/wint_t.m4
index a0236e8d0e8ece99ae04c6ea304866b2f6fe1969..3260cce323591e9bf2846e377745cb0b83435129 100644
--- a/gdb/gnulib/m4/wint_t.m4
+++ b/gdb/gnulib/import/m4/wint_t.m4
@@ -1,5 +1,5 @@
-# wint_t.m4 serial 4 (gettext-0.18)
-dnl Copyright (C) 2003, 2007-2011 Free Software Foundation, Inc.
+# wint_t.m4 serial 5 (gettext-0.18.2)
+dnl Copyright (C) 2003, 2007-2012 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
@@ -11,7 +11,9 @@ dnl Prerequisite: AC_PROG_CC
 AC_DEFUN([gt_TYPE_WINT_T],
 [
   AC_CACHE_CHECK([for wint_t], [gt_cv_c_wint_t],
-    [AC_TRY_COMPILE([
+    [AC_COMPILE_IFELSE(
+       [AC_LANG_PROGRAM(
+          [[
 /* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
    <wchar.h>.
    BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be included
@@ -20,8 +22,10 @@ AC_DEFUN([gt_TYPE_WINT_T],
 #include <stdio.h>
 #include <time.h>
 #include <wchar.h>
-       wint_t foo = (wchar_t)'\0';], ,
-       [gt_cv_c_wint_t=yes], [gt_cv_c_wint_t=no])])
+            wint_t foo = (wchar_t)'\0';]],
+          [[]])],
+       [gt_cv_c_wint_t=yes],
+       [gt_cv_c_wint_t=no])])
   if test $gt_cv_c_wint_t = yes; then
     AC_DEFINE([HAVE_WINT_T], [1], [Define if you have the 'wint_t' type.])
   fi