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#!/usr/bin/env bash
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#
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# Copyright (C) 2012 OpenWrt.org
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#
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# This is free software, licensed under the GNU General Public License v2.
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# See /LICENSE for more information.
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#
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SELF=${0##*/}
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READELF="${READELF:-readelf}"
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OBJCOPY="${OBJCOPY:-objcopy}"
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TARGETS=$*
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XARGS="${XARGS:-xargs -r}"
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[ -z "$TARGETS" ] && {
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echo "$SELF: no directories / files specified"
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echo "usage: $SELF [PATH...]"
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exit 1
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}
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find $TARGETS -type f -a -exec file {} \; | \
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sed -n -e 's/^\(.*\):.*ELF.*\(executable\|shared object\).*,.*/\1/p' | \
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$XARGS -n1 $READELF -d | \
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awk '$2 ~ /NEEDED/ && $NF !~ /interpreter/ && $NF ~ /^\[?lib.*\.so/ { gsub(/[\[\]]/, "", $NF); print $NF }' | \
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sort -u
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tmp=`mktemp $TMP_DIR/dep.XXXXXXXX`
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for kmod in `find $TARGETS -type f -name \*.ko`; do
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$OBJCOPY -O binary -j .modinfo $kmod $tmp
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sed -e 's,\x00,\n,g' $tmp | \
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sed -ne '/^depends=.\+/ { s/^depends=//; s/,/.ko\n/g; s/$/.ko/p; q }'
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done | sort -u
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rm -f $tmp
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