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Give up on trying to mechanically forbid abort() within libpq. Even though there are no such calls in the source code, we've now seen three different scenarios where build toolchains silently insert such calls: gcc does it for profiling, some platforms implement assert() using it, and icc does so for no visible reason. Checking for accidental use of exit() seems considerably more important than checking for abort(), so we'll settle for doing that for now. Also, filter out __cxa_atexit() to avoid a false match. It seems that OpenBSD inserts a call to that despite the fact that libpq contains no C++ code. Discussion: https://postgr.es/m/3128896.1624742969@sss.pgh.pa.us
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/.