3 dnl Copyright (C) 2011-2024 Free Software Foundation, Inc.
4 dnl This file is free software; the Free Software Foundation
5 dnl gives unlimited permission to copy and/or distribute it,
6 dnl with or without modifications, as long as this notice is preserved.
7 dnl This file is offered as-is, without any warranty.
9 AC_DEFUN([gl_FUNC_WCSDUP],
11 AC_REQUIRE([gl_WCHAR_H_DEFAULTS])
12 AC_CACHE_CHECK([for wcsdup],
18 [[return wcsdup (L"hello") != NULL;]])
20 [gl_cv_func_wcsdup=yes],
21 [gl_cv_func_wcsdup=no])
23 if test $gl_cv_func_wcsdup = no; then