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This results in a very substantial reduction in disk space usage during "make check-world", since that sequence involves creation of numerous temporary installations. It should also help a bit in the buildfarm, even though the buildfarm script doesn't create as many temp installations, because the current script misses deleting some of them; and anyway it seems better to do this once in one place rather than expecting that script to get it right every time. In 9.4 and HEAD, also undo the unwise choice in commit b1aebbb6a86e96d7 to report strerror(errno) after a rmtree() failure. rmtree has already reported that, possibly for multiple failures with distinct errnos; and what's more, by the time it returns there is no good reason to assume that errno still reflects the last reportable error. So reporting errno here is at best redundant and at worst badly misleading. Back-patch to all supported branches, so that future revisions of the buildfarm script can rely on this behavior.
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: http://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 http://www.postgresql.org/download/. For more information look at our web site located at http://www.postgresql.org/.