$ /opt/bin/systool -h
Usage: systool [ [device]]
-a Show attributes
-b Show a specific bus
-c Show a specific class
-d Show only devices
-h Show usage
-m Show a specific module
-p Show path to device/driver
-v Show all attributes with values
-A Show attribute value
-D Show only drivers
-P Show device's parent
arch i686
$ uname -a Linux synology 3.10.35 #5644 SMP Tue Dec 1 17:27:54 CST 2015 x86_64 GNU/Linux synology_cedarview_1812+
$ echo $OPTWARE_TOP $OPTWARE_TARGET /root/git/Optware-ng buildroot-i686
$ cat checksums/sysfsutils-2.1.0.tar.gz.sha512 485902d98b41a69343cb037883d0c0a1de8a1a4aed657cd4528fe10bc845ac51629657dff01deef042e57c9bd9243095e23fc931d06d74db31b03c5f0a18cf07
$ make packages PACKAGES=sysfsutils ...
$ ipkg install packages/sysfsutils_2.1.0-1_i686.ipk Installing sysfsutils (2.1.0-1) to root... Configuring sysfsutils Successfully terminated.
$ /opt/bin/systool -h Usage: systool [ [device]]
-a Show attributes
-b Show a specific bus
-c Show a specific class
-d Show only devices
-h Show usage
-m Show a specific module
-p Show path to device/driver
-v Show all attributes with values
-A Show attribute value
-D Show only drivers
-P Show device's parent