2 dnl Copyright (C) 2002-2006, 2009-2020 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 dnl Prerequisites of lib/userspec.c.
8 AC_DEFUN([gl_USERSPEC],
10 AC_CHECK_HEADERS_ONCE([sys/param.h])