build: implement kernel module dependency tracking
Signed-off-by: Felix Fietkau <nbd@openwrt.org> SVN-Revision: 37386
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@ -8,6 +8,7 @@
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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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@ -22,3 +23,12 @@ find $TARGETS -type f -a -exec file {} \; | \
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$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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egrep -a '^depends=' | \
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sed -e 's,^depends=,,' -e 's/,/\n/g' | \
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awk '{ print $1 ".ko" }'
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done
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