1dnl Copyright (c) 2009 The NetBSD Foundation, Inc. 2dnl All rights reserved. 3dnl 4dnl Redistribution and use in source and binary forms, with or without 5dnl modification, are permitted provided that the following conditions 6dnl are met: 7dnl 1. Redistributions of source code must retain the above copyright 8dnl notice, this list of conditions and the following disclaimer. 9dnl 2. Redistributions in binary form must reproduce the above copyright 10dnl notice, this list of conditions and the following disclaimer in the 11dnl documentation and/or other materials provided with the distribution. 12dnl 13dnl THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND 14dnl CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, 15dnl INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 16dnl MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 17dnl IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY 18dnl DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19dnl DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE 20dnl GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 21dnl INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER 22dnl IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 23dnl OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN 24dnl IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 26dnl ----------------------------------------------------------------------- 27dnl User-customizable tools used at run-time. 28dnl ----------------------------------------------------------------------- 29 30dnl 31dnl ATF_RUNTIME_TOOL(varname, description, default) 32dnl 33dnl Provides a configure-time configuration variable. The value provided 34dnl here can later be overriden at run-time via the environment. 35dnl 36AC_DEFUN([ATF_RUNTIME_TOOL],[ 37 AC_ARG_VAR([$1], [$2]) 38 test x"${$1-unset}" = x"unset" && $1="$3" 39 AC_SUBST($1) 40]) 41