FreeBSD Support - ewxrjk/rsbackup GitHub Wiki
Since 4.0, I no longer try to keep rsbackup working on FreeBSD. However these historical notes might be useful.
FreeBSD 10
You will need to install Boost.
rsbackup 3.0
pkg install boost-libs
./configure CXX=clang++
rsbackup 4.0 (untested)
pkg install boost-libs cairomm pangomm
./configure CXX=clang++
Other releases
Contributions welcome via an issue or http://www.chiark.greenend.org.uk/mailman/listinfo/sgo-software-discuss.