Burp seems to work fine on Little Endian ARM systems. I suspect I am not the only person who uses a lightweight ARM box as a backup server so it would definitely be useful to keyword app-backup/burp for this architecture. Unfortunately my do not run Gentoo on ARM so I have got only limited possibilities of performing the necessary testing.
An automated check of this bug failed - the following atom is unknown: >=app-backup/burp-2.0.54-r1 Please verify the atom list.
An automated check of this bug succeeded - the previous repoman errors are now resolved.
~arm added, closing.