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Peter Eisentraut c05ad248f9 Enable test_cplusplusext with MSVC
The test_cplusplusext test module has so far been disabled on MSVC.
The only remaining problem now is that designated initializers, as
used in PG_MODULE_MAGIC, require C++20.  (With GCC and Clang they work
in older C++ versions as well.)

This adds another test in the top-level meson.build to check that the
compiler supports C++20 designated initializers.  This is not
required, we are just checking and recording the answer.  If yes, we
can enable the test module.

Most current compilers likely won't be in C++20 mode by default.  This
doesn't change that; we are not doing anything to try to switch the
compiler into that mode.  This might be a separate project, but for
now we'll leave that for the user or the test scaffolding.

The VS task on Cirrus CI is changed to provide the required flag to
turn on C++20 mode.

There is no equivalent change in configure, since this change mainly
targets MSVC.

Co-authored-by: Jelte Fennema-Nio <postgres@jeltef.nl>
Discussion: https://www.postgresql.org/message-id/flat/CAGECzQR21OnnKiZO_1rLWO0-16kg1JBxnVq-wymYW0-_1cUNtg%40mail.gmail.com
2026-04-01 07:48:47 +02:00
.github Add CODE_OF_CONDUCT.md, CONTRIBUTING.md, and SECURITY.md. 2024-07-02 13:03:58 -05:00
config Hardcode override of typeof_unqual for clang-for-bitcode 2026-03-16 19:24:49 +01:00
contrib Avoid including vacuum.h in tableam.h and heapam.h. 2026-03-31 12:43:52 -05:00
doc Fix miscellaneous issues in EXCEPT publication clause. 2026-04-01 09:13:43 +05:30
src Enable test_cplusplusext with MSVC 2026-04-01 07:48:47 +02:00
.cirrus.star ci: Simplify ci-os-only handling 2025-08-14 12:09:34 -04:00
.cirrus.tasks.yml Enable test_cplusplusext with MSVC 2026-04-01 07:48:47 +02:00
.cirrus.yml ci: Per-repo configuration for manually trigger tasks 2025-08-14 11:54:03 -04:00
.dir-locals.el Make Emacs perl-mode indent more like perltidy. 2019-01-13 11:32:31 -08:00
.editorconfig Update .editorconfig and .gitattributes for postgresql.conf.sample. 2025-11-18 10:28:36 -06:00
.git-blame-ignore-revs Add commit 874da8b1f6 to .git-blame-ignore-revs. 2026-03-30 14:35:24 -05:00
.gitattributes Update .editorconfig and .gitattributes for postgresql.conf.sample. 2025-11-18 10:28:36 -06:00
.gitignore Update top-level .gitignore. 2022-12-04 15:23:00 -05:00
.mailmap Add a Git .mailmap file 2024-11-05 13:56:02 +01:00
aclocal.m4 autoconf: Move export_dynamic determination to configure 2022-12-06 18:55:28 -08:00
configure Add warning option -Wold-style-declaration 2026-03-30 23:34:13 +02:00
configure.ac Add warning option -Wold-style-declaration 2026-03-30 23:34:13 +02:00
COPYRIGHT Update copyright for 2026 2026-01-01 13:24:10 -05:00
GNUmakefile.in Allow selecting the git revision to be packaged by "make dist". 2024-05-03 11:08:50 -04:00
HISTORY Canonicalize some URLs 2020-02-10 20:47:50 +01:00
Makefile Restore AIX support. 2026-02-23 13:34:22 -05:00
meson.build Enable test_cplusplusext with MSVC 2026-04-01 07:48:47 +02:00
meson_options.txt Update copyright for 2026 2026-01-01 13:24:10 -05:00
README.md Revise the style of a paragraph in README.md. 2024-03-21 10:16:41 -05:00

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.

Copyright and license information can be found in the file COPYRIGHT.

General documentation about this version of PostgreSQL can be found at https://www.postgresql.org/docs/devel/. In particular, information about building PostgreSQL from the source code can be found at https://www.postgresql.org/docs/devel/installation.html.

The latest version of this software, and related software, may be obtained at https://www.postgresql.org/download/. For more information look at our web site located at https://www.postgresql.org/.