I tried some searches on "arm", but only found one reference of attempting a port to arm by Sergei Pupykin back in May in the "Clearsync repository missing build tags" thread.
The Centos ARM SIG has made great strides in the ARM images:
https://wiki.centos.org/SpecialInterestGroup/AltArch/armhfp (for armv7)
https://wiki.centos.org/SpecialInterestGroup/AltArch/AArch64 (for armv8 64 bit)
I have my own howto at:
and I really need to update:
as it should be easier now than a year ago....
It would be really great to at least have the basic server functions on arm boards for small home office use.
If this has come up elsewhere, please point me to the discussion.