Now switching my ubuntu ppa builds to fork from this. I've got a branch for precise, which uses systemv and thus pre-jessie users find the patch of interest, fairly obvious/trivial packaging change apart from the patch to compile against older libconfig (would be needed for squeeze also)
https://github.com/dantheperson/shairport-sync-collab-maint/commit/b512e586830dcc2c281c534b5a5c0f0ca9221d50 Regards, Dan.