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(BISON_PREREQ_TIMEVAR): When checking whether <sys/resource.h> can be

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included, include sys/time.h and sys/times.h first, if available.
This works around the SunOS 4.1.4 porting bug reported by Bruce Becker
in <http://mail.gnu.org/archive/html/bug-bison/2003-03/msg00018.html>.
This commit is contained in:
Paul Eggert
2003-03-13 00:25:33 +00:00
parent 8012adae7b
commit a93df6bad3
1 changed files with 12 additions and 4 deletions
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16
m4/timevar.m4
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@@ -1,7 +1,7 @@
# -*- Autoconf -*- # -*- Autoconf -*-
# Checks required to run `timevar', a time tracker. # Checks required to run `timevar', a time tracker.
# #
# Copyright (C) 2002 Free Software Foundation, Inc. # Copyright (C) 2002, 2003 Free Software Foundation, Inc.
# #
# This program is free software; you can redistribute it and/or modify # This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by # it under the terms of the GNU General Public License as published by
@@ -18,11 +18,19 @@
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
# 02111-1307 USA # 02111-1307 USA
# serial 1 # serial 2
AC_DEFUN([BISON_PREREQ_TIMEVAR], AC_DEFUN([BISON_PREREQ_TIMEVAR],
[AC_CHECK_HEADERS([sys/resource.h sys/time.h sys/times.h]) [AC_CHECK_HEADERS([sys/time.h sys/times.h])
AC_CHECK_HEADERS([sys/resource.h],,,
[$ac_includes_default
#if HAVE_SYS_TIME_H
# include <sys/time.h>
#endif
#ifdef HAVE_SYS_TIMES_H
# include <sys/times.h>
#endif
])
AC_CHECK_FUNCS([times]) AC_CHECK_FUNCS([times])
AC_CHECK_DECLS([getrusage, times, clock, sysconf], [], [], AC_CHECK_DECLS([getrusage, times, clock, sysconf], [], [],