I have to apologise for the sloppiness of my earlier message. I was
pushing the hours a bit and was flipping around between various
versions of the toolkit and misplaced which one I was posting the log
Thanks for pointing out the inclusion of libopensync in the snapshot!
By using it, it removed the need for the change to the $PKG_CONFIG
detection and successfully allowed me to compile both barry and
libopensync without any downgrading as well. :)
It seems that Arch Linux's libopensync 0.39 is fairly outdated, as it
couldn't be built from source until I downgraded glib2 to 2.28.
Now to set up this PKGBUILD. :)