scripts: gen-dependencies.sh: fix kmod dependency generation

Do not output faulty ".ko" dependency if a scanned .ko file has an empty
"depends=" specification, also replace the `grep | sed | awk` chain with a
single sed program.

Signed-off-by: Jo-Philipp Wich <jow@openwrt.org>
SVN-Revision: 44206

diff --git a/scripts/gen-dependencies.sh b/scripts/gen-dependencies.sh
index 85962e74b2a24b9d8583cb7a0de5fdb2fb078d58..567fe151a03f5920ea43412a217d523aced62cb4 100755 (executable)
--- a/scripts/gen-dependencies.sh
+++ b/scripts/gen-dependencies.sh
@@ -28,8 +28,6 @@ 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" }'
+               sed -ne '/^depends=.\+/ { s/^depends=//; s/\(,\|$\)/.ko\n/gp; q }'
 done | sort -u
 rm -f $tmp