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The previous definition was used in C++ mode, which causes problems when using clang with libc++ (rather than libstdc++), due to bugs therein. So just avoid in C++ mode. A second problem is that depending on include order and implicit includes the previous definition did not guarantee that the current hack was effective by the time isinf was used, fix that by forcing math.h to be included. This can cause clang using builds, or gcc using ones with JIT enabled, to slow down noticably. It's likely that we at some point want a better solution for the performance problem, but while it's there it should better work. Reported-By: Steven Winfield Bug: #15270 Discussion: https://postgr.es/m/153116283147.1401.360416241833049560@wrigleys.postgresql.org Author: Andres Freund Backpatch: 11, like the previous commit. |
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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/.