I'm using Fedora 28 OS and I'll check it with PGXS. The funny thing is that everything works when I comment every code line connected to the SEAL library. The cppcodec library is also an external library installed to /usr/local/include/cppcodec like the SEAL library. Regards, Tal -- Sent from: http://www.postgresql-archive.org/PostgreSQL-general-f1843780.html