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|
#!/bin/bash
# pulled right out of mkinitrd....
export LD_HWCAP_MASK=0
DSO_DEPS=""
LDSO=""
get_dso_deps() {
root="$1" ; shift
bin="$1" ; shift
LDSODIR="$1" ; shift
DSO_DEPS=""
declare -a FILES
declare -a NAMES
[ -z "$LDSODIR" ] && LDSODIR=$LIBDIR
# this is a hack, but the only better way requires binutils or elfutils
# be installed. i.e., we need readelf to find the interpretter.
if [ -n "$LDSO" ]; then
$LDSO --verify $root/$bin >/dev/null 2>&1
case $? in
[02]) ;;
*) unset LDSO ;;
esac
fi
if [ -z "$LDSO" ]; then
for ldso in $root/$LDSODIR/ld*.so* ; do
[ -L $ldso ] && continue
[ -x $ldso ] || continue
$ldso --verify $root/$bin >/dev/null 2>&1
case $? in
[02]) LDSO=$(echo $ldso |sed -e "s,$root,,") ; break ;;
esac
done
fi
# I still hate shell.
declare -i n=0
while read NAME I0 FILE ADDR I1 ; do
[ "$FILE" == "not" ] && FILE="$FILE $ADDR"
NAMES[$n]="$NAME"
FILES[$n]="$FILE"
let n++
# try to find a generic version
local basedir=$(dirname $(dirname "$FILE"))
local basefile=$(basename "$FILE")
if [ -f "$basedir/$basefile" ]; then
NAMES[$n]="$NAME"
FILES[$n]="$basedir/$basefile"
let n++
fi
done << EOF
$(/usr/sbin/chroot $root env --unset=LD_LIBRARY_PATH \
LD_TRACE_PRELINKING=1 LD_WARN= \
LD_TRACE_LOADED_OBJECTS=1 $LDSO $bin)
EOF
[ ${#FILES[*]} -eq 0 ] && return 1
# we don't want the name of the binary in the list
if [ "${FILES[0]}" == "$bin" ]; then
FILES[0]=""
NAMES[0]=""
[ ${#FILES[*]} -eq 1 ] && return 1
fi
declare -i n=0
while [ $n -lt ${#FILES[*]} ]; do
FILE="${FILES[$n]}"
if [ "$FILE" == "not found" ]; then
echo "WARNING: The dynamic object $bin requires ${NAMES[$n]} n order to properly function."
continue
fi
case "$FILE" in
/lib*)
TLIBDIR=`echo "$FILE" | sed 's,\(/lib[^/]*\)/.*$,\1,'`
BASE=`basename "$FILE"`
# Prefer nosegneg libs over direct segment accesses on i686.
if [ -f "$TLIBDIR/i686/nosegneg/$BASE" ]; then
FILE="$TLIBDIR/i686/nosegneg/$BASE"
# Otherwise, prefer base libraries rather than their optimized
# variants.
elif [ -f "$TLIBDIR/$BASE" ]; then
FILE="$TLIBDIR/$BASE"
fi
;;
esac
dynamic="yes"
let n++
done
DSO_DEPS="${FILES[@]}"
for l in $(/usr/sbin/chroot $root find /$LDSODIR -maxdepth 1 -type l -name ld*.so*); do
[ "$(/usr/sbin/chroot $root readlink -f $l)" == "$LDSO" ] && DSO_DEPS="$DSO_DEPS $l"
done
if [ "$(uname -m)" == "s390x" ]; then
for l in $(/usr/sbin/chroot $root find /lib -maxdepth 1 -type l -name ld*.so*); do
[ "$(/usr/sbin/chroot $root readlink -f $l)" == "$LDSO" ] && DSO_DEPS="$DSO_DEPS $l"
done
fi
[ -n "$DEBUG" ] && echo "DSO_DEPS for $bin are $DSO_DEPS"
}
instFile() {
FILE=$1
DESTROOT=$2
[ -n "$DEBUG" ] && echo "Installing $FILE"
if [ -e $DESTROOT/$FILE -o -L $DESTROOT/$FILE ]; then
return
elif [ ! -d $DESTROOT/`dirname $FILE` ]; then
mkdir -p $DESTROOT/`dirname $FILE`
fi
if [ -L $FILE ]; then
cp -al $FILE $DESTROOT/`dirname $FILE`
instFile ./`dirname $FILE`/`readlink $FILE` $DESTROOT
return
else
cp -aL $FILE $DESTROOT/`dirname $FILE`
fi
f=$(file $FILE)
echo $f | egrep -q ": (setuid )?ELF" &&
echo $f | egrep -qv "statically linked" && {
if echo $f | grep -q " 64-bit " ; then
get_dso_deps $(pwd) "$FILE" lib64
else
get_dso_deps $(pwd) "$FILE" lib
fi
local DEPS="$DSO_DEPS"
for x in $DEPS ; do
instFile ./$x $DESTROOT
done
}
unset f
}
instDir() {
DIR=$1
DESTROOT=$2
[ -n "$DEBUG" ] && echo "Installing $DIR"
if [ -d $DESTROOT/$DIR -o -h $DESTROOT/$DIR ]; then
return
fi
cp -a --parents $DIR $DESTROOT/
}
|
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