m4/timevar.m4

   1 # -*- Autoconf -*-
   2 # Checks required to run `timevar', a time tracker.
   3 #
   4 # Copyright (C) 2002-2003, 2009-2011 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
  21 AC_DEFUN([BISON_PREREQ_TIMEVAR],
  22 [AC_CHECK_HEADERS([sys/time.h sys/times.h])
  23  AC_CHECK_HEADERS([sys/resource.h],,,
  24    [$ac_includes_default
  25 #if HAVE_SYS_TIME_H
  26 # include <sys/time.h>
  27 #endif
  28 #ifdef HAVE_SYS_TIMES_H
  29 # include <sys/times.h>
  30 #endif
  31 ])
  32 AC_CHECK_FUNCS([times])
  33
  34 AC_CHECK_DECLS([getrusage, times, clock, sysconf], [], [],
  35 [$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
  47 AC_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 ])