1# -*- Autoconf -*-
2# Checks required to run `timevar', a time tracker.
3#
4# Copyright (C) 2002-2003, 2009-2012 Free Software Foundation, Inc.
5#
6# This program is free software: you can redistribute it and/or modify
7# it under the terms of the GNU General Public License as published by
8# the Free Software Foundation, either version 3 of the License, or
9# (at your option) any later version.
10#
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14# GNU General Public License for more details.
15#
16# You should have received a copy of the GNU General Public License
17# along with this program.  If not, see <http://www.gnu.org/licenses/>.
18
19# serial 2
20
21AC_DEFUN([BISON_PREREQ_TIMEVAR],
22[AC_CHECK_HEADERS([sys/time.h sys/times.h])
23 AC_CHECK_HEADERS([sys/resource.h],,,
24   [$ac_includes_default
25#if HAVE_SYS_TIME_H
26# include <sys/time.h>
27#endif
28#ifdef HAVE_SYS_TIMES_H
29# include <sys/times.h>
30#endif
31])
32AC_CHECK_FUNCS([times])
33
34AC_CHECK_DECLS([getrusage, times, clock, sysconf], [], [],
35[$ac_includes_default
36#if HAVE_SYS_TIME_H
37# include <sys/time.h>
38#endif
39#if HAVE_SYS_TIMES_H
40# include <sys/times.h>
41#endif
42#if HAVE_SYS_RESOURCE_H
43# include <sys/resource.h>
44#endif
45])
46
47AC_CHECK_TYPES([clock_t, struct tms], [], [],
48[$ac_includes_default
49#if HAVE_SYS_TIME_H
50# include <sys/time.h>
51#endif
52#if HAVE_SYS_TIMES_H
53# include <sys/times.h>
54#endif
55#if HAVE_SYS_RESOURCE_H
56# include <sys/resource.h>
57#endif
58])
59])
60