Hi Ludo,
While I'm pretty sure it won't help this issue, I just released the long overdue guile-xapian 0.2.0 and updated the Guix package as well. See https://git.savannah.gnu.org/cgit/guix.git/commit/?id=e614cf2907105d1d41653c2316b96d29d807baa8 Regards, Arun