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This commit back-patches these 9.6-era commits into 9.4 and 9.5: e97af6c8b Replace our hacked version of ax_pthread.m4 with latest upstream version. 3b14a17c8 Move pthread-tests earlier in the autoconf script. 01051a987 Use AS_IF rather than plain shell "if" in pthread-check. a2932283c Update ax_pthread.m4 to an experimental draft version from upstream. The net result is to sync configure's checks for threading-related flags and libraries with the version we've been using since 9.6. The motivation for doing so now is that it seems the older code does not work correctly on very recent RHEL7/ppc64, as evidenced by buildfarm member quokka. The newer code is pretty battle-hardened by now, so this seems like a low-risk fix. Discussion: https://postgr.es/m/3320.1542647565@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/.