Cross Reference: /external/libusb-compat/m4

`Name`	`Date`	`Size`
Up to higher level directory
`libtool.m4`	21-Aug-2018	`254K`
`ltoptions.m4`	21-Aug-2018	`11.7K`
`ltsugar.m4`	21-Aug-2018	`4.3K`
`ltversion.m4`	21-Aug-2018	`701`
`lt~obsolete.m4`	21-Aug-2018	`5.6K`