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#!/bin/sh -
# Copyright (C) 1996 Robert de Bath <rdebath@cix.compulink.co.uk>
# This file is part of the Linux-8086 C library and is distributed
# under the GNU Library General Public License.
main()
{
rm -f .config.tmp
ALLON=yes
if [ "$ALLON" = yes -a -f .config.lst ]
then grep '^[^:]*:+:' .config.lst > .config.tmp
[ -s .config.tmp ] && ALLON=no
fi
if [ "$ALLON" = yes -a -f Config.dflt ]
then grep '^[^:]*:+:' Config.dflt > .config.tmp
[ -s .config.tmp ] && {
ALLON=no
grep -q '^kinclude:' .config.tmp >/dev/null 2>&1 || {
[ -d "$ELKSSRC/include" ] ||
echo 'kinclude:+:' >> .config.tmp
}
}
fi
egrep -v '^#|^$' /dev/null */[Cc]onfig | \
sed -e 's./.:.' -e 's/[ ]*:[ ]*/:/g' >> .config.tmp 2>/dev/null
ls */Makefile | sed 's-/Makefile-:+:+-' >> .config.tmp
sort .config.tmp > .config.lst
unset_dups
if [ ! -s .config.lst ]
then echo 'No configuration options'
exit 0
fi
CHANGED=0
RUNNING=1
[ "$DIST" != "" -o ! -t 1 -o ! -t 0 ] && {
RUNNING=0
echo 'Using default configuration'
}
while [ $RUNNING = 1 ]
do
display
echo
echon 'Option to flip [or quit] >'
read n
v=""
case "$n" in
[qQ]* ) RUNNING=0
;;
[0-9] ) v=$n ;;
[0-9][0-9] ) v=$n ;;
* ) echo '\007'
;;
esac
if [ "$v" != "" ]
then set_option $v
fi
done
if [ "$CHANGED" = 1 -a \( -f libc.a -o -f crt0.o \) ]
then echo '
You should now run a "make clean" to clean out the libc.a
'
exit 1
fi
exit 0
}
display()
{
clear
echo 'Configuration options'
echo
awk -F: < .config.lst '{
if( $3 == "+" ) next;
if( $2 == "+" ) { flags[$1] = 1; next; }
printf("%2d) ", ++count);
if( $1 in flags ) printf("(ON) ");
else printf("(OFF) ");
if( $2 == "Config" ) printf(" "); else printf("* ");
printf("%s\n", $4);
}'
}
unset_dups()
{
awk -F: < .config.lst '{
if( $2 == "+" && $3 == "+") { if( noco[$1] != 1 ) noco[$1] = 2; next; }
if( $2 == "+" ) { flags[$1] = 1; next; }
if( "'$ALLON'" == "yes" && $2 == "Config" ) flags[$1] = 1;
if( $1 in flags )
{
if( $3 in gottype )
;
else
{
printf("%s:+:\n", $1);
gottype[$3] = 1;
}
}
noco[$1] = 1;
printf("%s\n", $0);
} END {
for(i in noco)
if( noco[i] == 2 )
printf("%s:+:+\n", i);
}' | sort > .config.tmp
ALLON=no
mv -f .config.tmp .config.lst
}
set_option()
{
rm -f .config.tmp1
awk -F: < .config.lst '{
if( $2 == "+" && $3 == "+" ) { print $0; next; }
if( $2 == "+" ) { flags[$1] = 1; next; }
if( ++cnt == '$1' )
{
if( $1 in flags )
;
else
printf("%s:+:\n", $1) > ".config.tmp1";
printf("%s\n", $0) > ".config.tmp1";
}
else
{
if( $1 in flags )
printf("%s:+:\n", $1);
printf("%s\n", $0);
}
}' > .config.tmp2
if [ -f .config.tmp1 ]
then CHANGED=1
else echo 'Cannot change that option!'
sleep 2
fi
cat .config.tmp[12] > .config.lst
rm .config.tmp[12]
unset_dups
}
echon() {
[ "$ECHON" = "" ] && {
if echo -n | grep -e -n >/dev/null
then ECHON="echo "; ECHOT='\c'
else ECHON="echo -n"; ECHOT=''
fi
}
$ECHON "$@""$ECHOT"
}
main
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