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This makes it much more convenient to build tools for Postgres that are separately compiled and require a matching CRC implementation. To prevent multiple copies of the CRC polynomial tables being introduced into the postgres binaries, they are now included in the static library libpgport that is mainly meant for replacement system functions. That seems like a bit of a kludge, but there's no better place. This cleans up building of the tools pg_controldata and pg_resetxlog, which previously had to build their own copies of pg_crc.o. In the future, external programs that need access to the CRC tables can include the tables directly from the new header file pg_crc_tables.h. Daniel Farina, reviewed by Abhijit Menon-Sen and Tom Lane
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. Changes between all PostgreSQL releases are recorded in the file HISTORY. 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/.