build: implement kernel module dependency tracking

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 37386
This commit is contained in:
Felix Fietkau 2013-07-18 10:47:05 +00:00
parent 6640b83a3e
commit 18840ae808

View file

@ -8,6 +8,7 @@
SELF=${0##*/}
READELF="${READELF:-readelf}"
OBJCOPY="${OBJCOPY:-objcopy}"
TARGETS=$*
XARGS="${XARGS:-xargs -r}"
@ -22,3 +23,12 @@ find $TARGETS -type f -a -exec file {} \; | \
$XARGS -n1 readelf -d | \
awk '$2 ~ /NEEDED/ && $NF !~ /interpreter/ && $NF ~ /^\[?lib.*\.so/ { gsub(/[\[\]]/, "", $NF); print $NF }' | \
sort -u
tmp=`mktemp $TMP_DIR/dep.XXXXXXXX`
for kmod in `find $TARGETS -type f -name \*.ko`; do
$OBJCOPY -O binary -j .modinfo $kmod $tmp
sed -e 's,\x00,\n,g' $tmp | \
egrep -a '^depends=' | \
sed -e 's,^depends=,,' -e 's/,/\n/g' | \
awk '{ print $1 ".ko" }'
done