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f7ab802855
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.
Discussion: https://postgr.es/m/13022.1538003440@sss.pgh.pa.us
Discussion: https://postgr.es/m/E1g5Y8r-0006vs-QA@gemulon.postgresql.org
PostgreSQL Database Management System ===================================== This directory contains the source code distribution of the PostgreSQL database management system. PostgreSQL is an advanced object-relational database management system that supports an extended subset of the SQL standard, including transactions, foreign keys, subqueries, triggers, user-defined types and functions. This distribution also contains C language bindings. PostgreSQL has many language interfaces, many of which are listed here: https://www.postgresql.org/download See the file INSTALL for instructions on how to build and install PostgreSQL. That file also lists supported operating systems and hardware platforms and contains information regarding any other software packages that are required to build or run the PostgreSQL system. Copyright and license information can be found in the file COPYRIGHT. A comprehensive documentation set is included in this distribution; it can be read as described in the installation instructions. The latest version of this software may be obtained at https://www.postgresql.org/download/. For more information look at our web site located at https://www.postgresql.org/.