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adb3551068
Previously, configure would add any switches that it chose of its own accord to the end of the user-specified CFLAGS string. Since most compilers process these left-to-right, this meant that configure's choices would override the user-specified flags in case of conflicts. We'd rather that worked the other way around, so adjust the logic to put the user's string at the end not the beginning. There does not seem to be a need for a similar behavior change for CPPFLAGS or LDFLAGS: in those, the earlier switches tend to win (think -I or -L behavior) so putting the user's string at the front is fine. Backpatch to 9.4 but not earlier. I'm not planning to run buildfarm member guar on older branches, and it seems a bit risky to change this behavior in long-stable branches.
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/.