dnl A placeholder for ISO C99 <wchar.h>, for platforms that have issues.
-dnl Copyright (C) 2007-2009 Free Software Foundation, Inc.
+dnl Copyright (C) 2007, 2008, 2009, 2010, 2011 Free Software Foundation,
+dnl 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.
dnl Written by Eric Blake.
-# wchar.m4 serial 23
+# wchar.m4 serial 25
AC_DEFUN([gl_WCHAR_H],
[
fi
AC_SUBST([HAVE_WINT_T])
- if test $gl_cv_header_wchar_h_standalone != yes || test $gt_cv_c_wint_t != yes; then
+ dnl If <stddef.h> is replaced, then <wchar.h> must also be replaced.
+ AC_REQUIRE([gl_STDDEF_H])
+
+ if test $gl_cv_header_wchar_h_standalone != yes || test $gt_cv_c_wint_t != yes || test -n "$STDDEF_H"; then
WCHAR_H=wchar.h
fi