On Sat, Jun 13, 2015 at 8:31 PM, Kjetil Matheussen <k.s.matheussen@gmail.com> wrote: 
so this problem
is probably not an ABI incompatibility issue.


Well, it's not unlikely to be an ABI incompatibility issue, but in case, it is
between the .lib file and the .dll file within the same version of jack, and
not between different versions of Jack.