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Some pre-2017 Test::More versions need perfect $Test::Builder::Level maintenance to find the variable. Buildfarm member snapper reported an overall failure that the file intended to hide via the TODO construct. That trouble was reachable in v11 and v10. For later branches, this serves as defense in depth. Back-patch to v10 (all supported versions). Discussion: https://postgr.es/m/20220202055556.GB2745933@rfd.leadboat.com
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/.