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8972a152c5
Considering the number of cases in which "unused" command line arguments are silently ignored by compilers, it's fairly astonishing that anybody thought this warning was useful; it's certainly nothing but an annoyance when building Postgres. One such case is that neither gcc nor clang complain about unrecognized -Wno-foo switches, making it more difficult to figure out whether the switch does anything than one could wish. Back-patch to 9.3, which is as far back as the patch applies conveniently (we'd have to back-patch PGAC_PROG_CC_VAR_OPT to go further, and it doesn't seem worth that).
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/.