This advice has been posted on the debian-mentors mailing list. A quick how to generate symbols file
$ apt-get source libsword6
$ cd sword-1.5.9
$ debuild binary
$ rm -f debian/*.symbols dpkg-gensymbols*
$ dpkg-gensymbols -plibsword6 -Pdebian/libsword6 | patch -p0
$ mv dpkg-gensymbols* debian/libsword6.symbols
$ perl -pi -e ‘s/-\d.*//’ debian/libsword6.symbols
Posted by dmitrijledkov