Re: Tom Lane 2018-09-28 <e1g5vmt-0003k1...@gemulon.postgresql.org> > Remove pqsignal() from libpq's official exports list. > > Client applications should get this function, if they need it, from > libpgport. > > The fact that it's exported from libpq is a hack left over from before > we set up libpgport. It's never been documented, and there's no good > reason for non-PG code to be calling it anyway, so hopefully this won't > cause any problems. Moreover, with the previous setup it was not real > clear whether our clients that use the function were getting it from > libpgport or libpq, so this might actually prevent problems. > > The reason for changing it now is that in the wake of commit ea53100d5, > some linkers won't export the symbol, apparently because it's coming from > a .a library instead of a .o file. We could get around that by continuing > to symlink pqsignal.c into libpq as before; but unless somebody complains > very hard, I don't want to adopt such a kluge.
This is starting to hurt in several places: 04 11:41 <magnush> mha@xindi:~$ psql 04 11:41 <magnush> /usr/lib/postgresql/9.2/bin/psql: symbol lookup error: /usr/lib/postgresql/9.2/bin/psql: undefined symbol: pqsignal pg_repack linked against libpq5 11 breaks with libpq5 12: --- /tmp/autopkgtest-lxc.evololie/downtmp/build.XvF/src/regress/expected/repack-run.out 2018-10-18 11:30:46.000000000 +0000 +++ /tmp/autopkgtest-lxc.evololie/downtmp/build.XvF/src/regress/results/repack-run.out 2019-10-03 21:24:29.049576631 +0000 @@ -2,19 +2,8 @@ -- do repack -- \! pg_repack --dbname=contrib_regression --table=tbl_cluster -INFO: repacking table "public.tbl_cluster" +pg_repack: symbol lookup error: pg_repack: undefined symbol: pqsignal https://ci.debian.net/data/autopkgtest/testing/amd64/p/pg-repack/3070831/log.gz Christoph