common/autoconf/build-performance.m4
author dxu
Fri, 09 Aug 2013 10:55:52 -0700
changeset 19381 5251302e7dc7
parent 18021 680b9b43e2d6
child 20363 fa7663fc5d50
child 22466 25aaf85d1ada
permissions -rw-r--r--
8021977: Opening a file using java.io can throw IOException on Windows Summary: Remove IOException related error-handling code for backward compatibility Reviewed-by: alanb, lancea, mr
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#
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# Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.
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# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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#
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# This code is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License version 2 only, as
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# published by the Free Software Foundation.  Oracle designates this
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# particular file as subject to the "Classpath" exception as provided
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# by Oracle in the LICENSE file that accompanied this code.
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#
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# This code is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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# version 2 for more details (a copy is included in the LICENSE file that
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# accompanied this code).
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#
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# You should have received a copy of the GNU General Public License version
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# 2 along with this work; if not, write to the Free Software Foundation,
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# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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#
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# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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# or visit www.oracle.com if you need additional information or have any
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# questions.
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#
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AC_DEFUN([BPERF_CHECK_CORES],
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[
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    AC_MSG_CHECKING([for number of cores])
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    NUM_CORES=1
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    FOUND_CORES=no
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    if test -f /proc/cpuinfo; then
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        # Looks like a Linux (or cygwin) system
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        NUM_CORES=`cat /proc/cpuinfo  | grep -c processor`
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        FOUND_CORES=yes
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    elif test -x /usr/sbin/psrinfo; then
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        # Looks like a Solaris system
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        NUM_CORES=`LC_MESSAGES=C /usr/sbin/psrinfo -v | grep -c on-line`
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        FOUND_CORES=yes
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    elif test -x /usr/sbin/system_profiler; then
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        # Looks like a MacOSX system
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        NUM_CORES=`/usr/sbin/system_profiler -detailLevel full SPHardwareDataType | grep 'Cores' | awk  '{print [$]5}'`
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        FOUND_CORES=yes
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    elif test -n "$NUMBER_OF_PROCESSORS"; then
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        # On windows, look in the env
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        NUM_CORES=$NUMBER_OF_PROCESSORS
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        FOUND_CORES=yes
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    fi
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    if test "x$FOUND_CORES" = xyes; then
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        AC_MSG_RESULT([$NUM_CORES])
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    else
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        AC_MSG_RESULT([could not detect number of cores, defaulting to 1])
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        AC_MSG_WARN([This will disable all parallelism from build!])
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    fi 
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])
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AC_DEFUN([BPERF_CHECK_MEMORY_SIZE],
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[
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    AC_MSG_CHECKING([for memory size])
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    # Default to 1024 MB
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    MEMORY_SIZE=1024
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    FOUND_MEM=no
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    if test -f /proc/meminfo; then
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        # Looks like a Linux (or cygwin) system
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        MEMORY_SIZE=`cat /proc/meminfo | grep MemTotal | awk '{print [$]2}'`
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        MEMORY_SIZE=`expr $MEMORY_SIZE / 1024`
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        FOUND_MEM=yes
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    elif test -x /usr/sbin/prtconf; then
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        # Looks like a Solaris system
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        MEMORY_SIZE=`/usr/sbin/prtconf | grep "Memory size" | awk '{ print [$]3 }'`
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        FOUND_MEM=yes
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    elif test -x /usr/sbin/system_profiler; then
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        # Looks like a MacOSX system
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        MEMORY_SIZE=`/usr/sbin/system_profiler -detailLevel full SPHardwareDataType | grep 'Memory' | awk  '{print [$]2}'`
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        MEMORY_SIZE=`expr $MEMORY_SIZE \* 1024`
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        FOUND_MEM=yes
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    elif test "x$OPENJDK_BUILD_OS" = xwindows; then
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        # Windows, but without cygwin
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        MEMORY_SIZE=`wmic computersystem get totalphysicalmemory -value | grep = | cut -d "=" -f 2-`
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        MEMORY_SIZE=`expr $MEMORY_SIZE / 1024 / 1024`
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        FOUND_MEM=yes    
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    fi
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    if test "x$FOUND_MEM" = xyes; then
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        AC_MSG_RESULT([$MEMORY_SIZE MB])
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    else
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        AC_MSG_RESULT([could not detect memory size, defaulting to 1024 MB])
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        AC_MSG_WARN([This might seriously impact build performance!])
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    fi 
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AC_DEFUN_ONCE([BPERF_SETUP_BUILD_CORES],
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  # How many cores do we have on this build system?
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  AC_ARG_WITH(num-cores, [AS_HELP_STRING([--with-num-cores],
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    [number of cores in the build system, e.g. --with-num-cores=8 @<:@probed@:>@])])
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  if test "x$with_num_cores" = x; then
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    # The number of cores were not specified, try to probe them.
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    BPERF_CHECK_CORES
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  else
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    NUM_CORES=$with_num_cores
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  fi
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  AC_SUBST(NUM_CORES)
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AC_DEFUN_ONCE([BPERF_SETUP_BUILD_MEMORY],
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  # How much memory do we have on this build system?
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  AC_ARG_WITH(memory-size, [AS_HELP_STRING([--with-memory-size],
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    [memory (in MB) available in the build system, e.g. --with-memory-size=1024 @<:@probed@:>@])])
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  if test "x$with_memory_size" = x; then
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    # The memory size was not specified, try to probe it.
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    BPERF_CHECK_MEMORY_SIZE
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  else
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    MEMORY_SIZE=$with_memory_size
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  fi
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  AC_SUBST(MEMORY_SIZE)
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])
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AC_DEFUN_ONCE([BPERF_SETUP_BUILD_JOBS],
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[
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  # Provide a decent default number of parallel jobs for make depending on 
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  # number of cores, amount of memory and machine architecture.
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  AC_ARG_WITH(jobs, [AS_HELP_STRING([--with-jobs],
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    [number of parallel jobs to let make run @<:@calculated based on cores and memory@:>@])])
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  if test "x$with_jobs" = x; then
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    # Number of jobs was not specified, calculate.
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    AC_MSG_CHECKING([for appropriate number of jobs to run in parallel])
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    # Approximate memory in GB, rounding up a bit.
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    memory_gb=`expr $MEMORY_SIZE / 1100`
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    # Pick the lowest of memory in gb and number of cores.
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    if test "$memory_gb" -lt "$NUM_CORES"; then
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      JOBS="$memory_gb"
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    else
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      JOBS="$NUM_CORES"
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      # On bigger machines, leave some room for other processes to run
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      if test "$JOBS" -gt "4"; then
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        JOBS=`expr $JOBS '*' 90 / 100`
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      fi
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    fi
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    # Cap number of jobs to 16
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    if test "$JOBS" -gt "16"; then
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      JOBS=16
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    fi
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    if test "$JOBS" -eq "0"; then
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      JOBS=1
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    fi
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    AC_MSG_RESULT([$JOBS])
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  else
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    JOBS=$with_jobs
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  fi
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  AC_SUBST(JOBS)
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])
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AC_DEFUN([BPERF_SETUP_CCACHE],
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[
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    AC_ARG_ENABLE([ccache],
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	      [AS_HELP_STRING([--disable-ccache],
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	      		      [disable using ccache to speed up recompilations @<:@enabled@:>@])],
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              [ENABLE_CCACHE=${enable_ccache}], [ENABLE_CCACHE=yes])
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    if test "x$ENABLE_CCACHE" = xyes; then
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        OLD_PATH="$PATH"
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        if test "x$TOOLS_DIR" != x; then
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          PATH=$TOOLS_DIR:$PATH
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        fi
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        AC_PATH_PROG(CCACHE, ccache)
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        PATH="$OLD_PATH"
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    else
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        AC_MSG_CHECKING([for ccache])
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        AC_MSG_RESULT([explicitly disabled])    
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        CCACHE=
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    fi    
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    AC_SUBST(CCACHE)
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    AC_ARG_WITH([ccache-dir],
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	      [AS_HELP_STRING([--with-ccache-dir],
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	      		      [where to store ccache files @<:@~/.ccache@:>@])])
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    if test "x$with_ccache_dir" != x; then
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        # When using a non home ccache directory, assume the use is to share ccache files
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        # with other users. Thus change the umask.
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        SET_CCACHE_DIR="CCACHE_DIR=$with_ccache_dir CCACHE_UMASK=002"
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    fi
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    CCACHE_FOUND=""
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    if test "x$CCACHE" != x; then
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        BPERF_SETUP_CCACHE_USAGE
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    fi    
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])
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AC_DEFUN([BPERF_SETUP_CCACHE_USAGE],
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[
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    if test "x$CCACHE" != x; then
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        CCACHE_FOUND="true"
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        # Only use ccache if it is 3.1.4 or later, which supports
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        # precompiled headers.
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        AC_MSG_CHECKING([if ccache supports precompiled headers])
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        HAS_GOOD_CCACHE=`($CCACHE --version | head -n 1 | grep -E 3.1.@<:@456789@:>@) 2> /dev/null`
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        if test "x$HAS_GOOD_CCACHE" = x; then
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            AC_MSG_RESULT([no, disabling ccache])
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            CCACHE=
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        else
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            AC_MSG_RESULT([yes])
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            AC_MSG_CHECKING([if C-compiler supports ccache precompiled headers])
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            PUSHED_FLAGS="$CXXFLAGS"
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            CXXFLAGS="-fpch-preprocess $CXXFLAGS"
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            AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [])], [CC_KNOWS_CCACHE_TRICK=yes], [CC_KNOWS_CCACHE_TRICK=no])
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            CXXFLAGS="$PUSHED_FLAGS"
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            if test "x$CC_KNOWS_CCACHE_TRICK" = xyes; then
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                AC_MSG_RESULT([yes])
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            else
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                AC_MSG_RESULT([no, disabling ccaching of precompiled headers])
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                CCACHE=
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            fi
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        fi
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    fi
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    if test "x$CCACHE" != x; then
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        CCACHE_SLOPPINESS=time_macros
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        CCACHE="CCACHE_COMPRESS=1 $SET_CCACHE_DIR CCACHE_SLOPPINESS=$CCACHE_SLOPPINESS $CCACHE"
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        CCACHE_FLAGS=-fpch-preprocess
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        if test "x$SET_CCACHE_DIR" != x; then
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            mkdir -p $CCACHE_DIR > /dev/null 2>&1
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	    chmod a+rwxs $CCACHE_DIR > /dev/null 2>&1
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        fi
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    fi
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])
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AC_DEFUN_ONCE([BPERF_SETUP_PRECOMPILED_HEADERS],
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[
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###############################################################################
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#
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# Can the C/C++ compiler use precompiled headers?
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#
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AC_ARG_ENABLE([precompiled-headers], [AS_HELP_STRING([--disable-precompiled-headers],
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	[disable using precompiled headers when compiling C++ @<:@enabled@:>@])],
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    [ENABLE_PRECOMPH=${enable_precompiled_headers}], [ENABLE_PRECOMPH=yes])
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USE_PRECOMPILED_HEADER=1
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if test "x$ENABLE_PRECOMPH" = xno; then
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    USE_PRECOMPILED_HEADER=0
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fi
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if test "x$ENABLE_PRECOMPH" = xyes; then
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    # Check that the compiler actually supports precomp headers.
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    if test "x$GCC" = xyes; then
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         AC_MSG_CHECKING([that precompiled headers work])
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         echo "int alfa();" > conftest.h
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         $CXX -x c++-header conftest.h -o conftest.hpp.gch 2>&AS_MESSAGE_LOG_FD >&AS_MESSAGE_LOG_FD
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         if test ! -f conftest.hpp.gch; then
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             USE_PRECOMPILED_HEADER=0
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             AC_MSG_RESULT([no])        
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         else
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             AC_MSG_RESULT([yes])
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         fi
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         rm -f conftest.h conftest.hpp.gch
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    fi
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fi
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AC_SUBST(USE_PRECOMPILED_HEADER)
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])
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AC_DEFUN_ONCE([BPERF_SETUP_SMART_JAVAC],
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[
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AC_ARG_WITH(sjavac-server-java, [AS_HELP_STRING([--with-sjavac-server-java],
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	[use this java binary for running the sjavac background server @<:@Boot JDK java@:>@])])
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if test "x$with_sjavac_server_java" != x; then
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    SJAVAC_SERVER_JAVA="$with_sjavac_server_java"
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    FOUND_VERSION=`$SJAVAC_SERVER_JAVA -version 2>&1 | grep " version \""`
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    if test "x$FOUND_VERSION" = x; then
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        AC_MSG_ERROR([Could not execute server java: $SJAVAC_SERVER_JAVA])
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    fi
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else
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    SJAVAC_SERVER_JAVA=""
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    # Hotspot specific options.
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    ADD_JVM_ARG_IF_OK([-verbosegc],SJAVAC_SERVER_JAVA,[$JAVA])
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    # JRockit specific options.
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    ADD_JVM_ARG_IF_OK([-Xverbose:gc],SJAVAC_SERVER_JAVA,[$JAVA])
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    SJAVAC_SERVER_JAVA="$JAVA $SJAVAC_SERVER_JAVA"
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fi                    
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AC_SUBST(SJAVAC_SERVER_JAVA)
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if test "$MEMORY_SIZE" -gt "2500"; then
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    ADD_JVM_ARG_IF_OK([-d64],SJAVAC_SERVER_JAVA,[$SJAVAC_SERVER_JAVA])
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    if test "$JVM_ARG_OK" = true; then
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        JVM_64BIT=true
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	JVM_ARG_OK=false
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    fi
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    fi
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if test "$JVM_64BIT" = true; then
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    if test "$MEMORY_SIZE" -gt "17000"; then
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        ADD_JVM_ARG_IF_OK([-Xms10G -Xmx10G],SJAVAC_SERVER_JAVA,[$SJAVAC_SERVER_JAVA])
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    fi
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    if test "$MEMORY_SIZE" -gt "10000" && test "$JVM_ARG_OK" = false; then
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        ADD_JVM_ARG_IF_OK([-Xms6G -Xmx6G],SJAVAC_SERVER_JAVA,[$SJAVAC_SERVER_JAVA])
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    fi
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    if test "$MEMORY_SIZE" -gt "5000" && test "$JVM_ARG_OK" = false; then
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        ADD_JVM_ARG_IF_OK([-Xms1G -Xmx3G],SJAVAC_SERVER_JAVA,[$SJAVAC_SERVER_JAVA])
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    fi
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    if test "$MEMORY_SIZE" -gt "3800" && test "$JVM_ARG_OK" = false; then
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        ADD_JVM_ARG_IF_OK([-Xms1G -Xmx2500M],SJAVAC_SERVER_JAVA,[$SJAVAC_SERVER_JAVA])
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    fi
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fi
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if test "$MEMORY_SIZE" -gt "2500" && test "$JVM_ARG_OK" = false; then
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    ADD_JVM_ARG_IF_OK([-Xms1000M -Xmx1500M],SJAVAC_SERVER_JAVA,[$SJAVAC_SERVER_JAVA])
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fi
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if test "$MEMORY_SIZE" -gt "1000" && test "$JVM_ARG_OK" = false; then
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    ADD_JVM_ARG_IF_OK([-Xms400M -Xmx1100M],SJAVAC_SERVER_JAVA,[$SJAVAC_SERVER_JAVA])
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fi
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if test "$JVM_ARG_OK" = false; then
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    ADD_JVM_ARG_IF_OK([-Xms256M -Xmx512M],SJAVAC_SERVER_JAVA,[$SJAVAC_SERVER_JAVA])
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fi
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AC_MSG_CHECKING([whether to use sjavac])
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AC_ARG_ENABLE([sjavac], [AS_HELP_STRING([--enable-sjavac],
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	[use sjavac to do fast incremental compiles @<:@disabled@:>@])],
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	[ENABLE_SJAVAC="${enableval}"], [ENABLE_SJAVAC='no'])
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AC_MSG_RESULT([$ENABLE_SJAVAC])
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AC_SUBST(ENABLE_SJAVAC)
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if test "x$ENABLE_SJAVAC" = xyes; then
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    SJAVAC_SERVER_DIR="$OUTPUT_ROOT/javacservers"
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else
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    SJAVAC_SERVER_DIR=
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fi
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AC_SUBST(SJAVAC_SERVER_DIR)
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])