2 dnl Copyright (C) 2011-2020 Free Software Foundation, Inc.
3 dnl This file is free software; the Free Software Foundation
4 dnl gives unlimited permission to copy and/or distribute it,
5 dnl with or without modifications, as long as this notice is preserved.
7 AC_DEFUN([gl_FUNC_WCSDUP],
9 AC_REQUIRE([gl_WCHAR_H_DEFAULTS])
10 AC_CACHE_CHECK([for wcsdup],
16 [[return wcsdup (L"hello") != NULL;]])
18 [gl_cv_func_wcsdup=yes],
19 [gl_cv_func_wcsdup=no])
21 if test $gl_cv_func_wcsdup = no; then