#

# Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.

# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

#

# This code is free software; you can redistribute it and/or modify it

# under the terms of the GNU General Public License version 2 only, as

# published by the Free Software Foundation.  Oracle designates this

# particular file as subject to the "Classpath" exception as provided

# by Oracle in the LICENSE file that accompanied this code.

#

# This code is distributed in the hope that it will be useful, but WITHOUT

# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

# version 2 for more details (a copy is included in the LICENSE file that

# accompanied this code).

#

# You should have received a copy of the GNU General Public License version

# 2 along with this work; if not, write to the Free Software Foundation,

# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

#

# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

# or visit www.oracle.com if you need additional information or have any

# questions.

#

AC_DEFUN([CHECK_CORES],

[

    AC_MSG_CHECKING([for number of cores])

    NUM_CORES=1

    FOUND_CORES=no

    if test -f /proc/cpuinfo; then

        # Looks like a Linux system

        NUM_CORES=`cat /proc/cpuinfo  | grep -c processor`

        FOUND_CORES=yes

    fi

    if test -x /usr/sbin/psrinfo; then

        # Looks like a Solaris system

        NUM_CORES=`LC_MESSAGES=C /usr/sbin/psrinfo -v | grep -c on-line`

        FOUND_CORES=yes

    fi

    if test -x /usr/sbin/system_profiler; then

        # Looks like a MacOSX system

        NUM_CORES=`/usr/sbin/system_profiler -detailLevel full SPHardwareDataType | grep 'Cores' | awk  '{print [$]5}'`

        FOUND_CORES=yes

    fi

    if test "x$build_os" = xwindows; then

        NUM_CORES=4

    fi

    # For c/c++ code we run twice as many concurrent build

    # jobs than we have cores, otherwise we will stall on io.

    CONCURRENT_BUILD_JOBS=`expr $NUM_CORES \* 2`

    if test "x$FOUND_CORES" = xyes; then

        AC_MSG_RESULT([$NUM_CORES])

    else

        AC_MSG_RESULT([could not detect number of cores, defaulting to 1!])

    fi 

])

AC_DEFUN([CHECK_MEMORY_SIZE],

[

    AC_MSG_CHECKING([for memory size])

    # Default to 1024MB

    MEMORY_SIZE=1024

    FOUND_MEM=no

    if test -f /proc/cpuinfo; then

        # Looks like a Linux system

        MEMORY_SIZE=`cat /proc/meminfo | grep MemTotal | awk '{print [$]2}'`

        MEMORY_SIZE=`expr $MEMORY_SIZE / 1024`

        FOUND_MEM=yes

    fi

    if test -x /usr/sbin/prtconf; then

        # Looks like a Solaris system

        MEMORY_SIZE=`/usr/sbin/prtconf | grep "Memory size" | awk '{ print [$]3 }'`

        FOUND_MEM=yes

    fi

    if test -x /usr/sbin/system_profiler; then

        # Looks like a MacOSX system

        MEMORY_SIZE=`/usr/sbin/system_profiler -detailLevel full SPHardwareDataType | grep 'Memory' | awk  '{print [$]2}'`

        MEMORY_SIZE=`expr $MEMORY_SIZE \* 1024`

        FOUND_MEM=yes

    fi

    if test "x$build_os" = xwindows; then

        MEMORY_SIZE=`systeminfo | grep 'Total Physical Memory:' | awk '{ print [$]4 }' | sed 's/,//'`

        FOUND_MEM=yes    

    fi

    if test "x$FOUND_MEM" = xyes; then

        AC_MSG_RESULT([$MEMORY_SIZE MB])

    else

        AC_MSG_RESULT([could not detect memory size defaulting to 1024MB!])

    fi 

])