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In OpenLDAP 2.5 and later, libldap itself is always thread-safe and there's never a libldap_r. Our existing coding dealt with that by assuming it wouldn't find libldap_r if libldap is thread-safe. But that rule fails to cope if there are multiple OpenLDAP versions visible, as is likely to be the case on macOS in particular. We'd end up using shiny new libldap in the backend and a hoary libldap_r in libpq. Instead, once we've found libldap, check if it's >= 2.5 (by probing for a function introduced then) and don't bother looking for libldap_r if so. While one can imagine library setups that this'd still give the wrong answer for, they seem unlikely to occur in practice. Per report from Peter Eisentraut. Back-patch to all supported branches. Discussion: https://postgr.es/m/fedacd7c-2a38-25c9-e7ff-dea549d0e979@enterprisedb.com |
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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/.