#!/bin/bash

# 
# THIS SOFTWARE IS SUBJECT TO COPYRIGHT PROTECTION AND IS OFFERED ONLY
# PURSUANT TO THE 3DFX GLIDE GENERAL PUBLIC LICENSE. THERE IS NO RIGHT
# TO USE THE GLIDE TRADEMARK WITHOUT PRIOR WRITTEN PERMISSION OF 3DFX
# INTERACTIVE, INC. A COPY OF THIS LICENSE MAY BE OBTAINED FROM THE 
# DISTRIBUTOR OR BY CONTACTING 3DFX INTERACTIVE INC(info@3dfx.com). 
# THIS PROGRAM IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER 
# EXPRESSED OR IMPLIED. SEE THE 3DFX GLIDE GENERAL PUBLIC LICENSE FOR A
# FULL TEXT OF THE NON-WARRANTY PROVISIONS.  
# 
# USE, DUPLICATION OR DISCLOSURE BY THE GOVERNMENT IS SUBJECT TO
# RESTRICTIONS AS SET FORTH IN SUBDIVISION (C)(1)(II) OF THE RIGHTS IN
# TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 252.227-7013,
# AND/OR IN SIMILAR OR SUCCESSOR CLAUSES IN THE FAR, DOD OR NASA FAR
# SUPPLEMENT. UNPUBLISHED RIGHTS RESERVED UNDER THE COPYRIGHT LAWS OF
# THE UNITED STATES.  
# 
# COPYRIGHT 3DFX INTERACTIVE, INC. 1999, ALL RIGHTS RESERVED
#

function timereport() {
    STARTTIME=$1
    ENDTIME=$2
    SECONDSPERMIN=60
    SECONDSPERHOUR=`expr 60 \* 60`
    SECONDSPERDAY=`expr 60 \* 60 \* 24`
    SECONDSPERYEAR=`expr 60 \* 60 \* 24 \* 365`
    ELAPSEDTIME=`expr $ENDTIME - $STARTTIME`
    YEARS=`expr $ELAPSEDTIME / $SECONDSPERYEAR`
    ELAPSEDTIME=`expr $ELAPSEDTIME % $SECONDSPERYEAR`
    DAYS=`expr $ELAPSEDTIME / $SECONDSPERDAY`
    ELAPSEDTIME=`expr $ELAPSEDTIME % $SECONDSPERDAY`
    HOURS=`expr $ELAPSEDTIME / $SECONDSPERHOUR`
    ELAPSEDTIME=`expr $ELAPSEDTIME % $SECONDSPERHOUR`
    MINUTES=`expr $ELAPSEDTIME / $SECONDSPERMIN`
    ELAPSEDTIME=`expr $ELAPSEDTIME % $SECONDSPERMIN`
    echo "Time Elapsed: $YEARS Years, $DAYS Days, $HOURS Hours, $MINUTES Minutes, $ELAPSEDTIME Seconds"
}

function diskreport() {
    SIGN=""
    DISKUSAGE=`expr $2 - $1`
    if [ $DISKUSAGE -lt 0 ]
    then
        DISKUSAGE=`expr $DISKUSAGE '*' -1`
        SIGN='-'
    fi
    DISKUSAGE_INT=`expr $DISKUSAGE / 1024`
    DISKUSAGE_FRAC=`expr $DISKUSAGE % 1024`
    echo "Disk usage: $SIGN$DISKUSAGE_INT.$DISKUSAGE_FRAC Mb"
}

function instrument_command() {
    STARTDISK=`df -k . | grep --invert-match '^Filesystem' | awk '{print $3;}'`
    df -k .
    STARTTIME=`date +%s`
    (exec $*)
    ENDTIME=`date +%s`
    ENDDISK=`df -k . | grep --invert-match '^Filesystem' | awk '{print $3;}'`
    df -k .
    timereport $STARTTIME $ENDTIME
    diskreport $STARTDISK $ENDDISK
}

#
# This function is really only useful for cutting
# from this file and pasting into a shell window.
#
function fix_assembler_names() {
    for file in `find . -name '*.s'`
    do
        dir=`dirname $file`
        basename=`basename $file .s`
        (set -x; mv $file $dir/$basename.S)
    done
}

export NOISY_RECURSION=YES
export SCRIPTDIR=`pwd`/swlibs/include/make
instrument_command make CC=egcs -f makefile.linux "$@"