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Michael Paquier 4a8e6f43a6 libpq: Refactor logic checking for exit() in shared library builds
This commit refactors the sanity check done by libpq to ensure that
there is no exit() reference in the build, moving the check from a
standalone Makefile rule to a perl script.

Platform-specific checks are now part of the script, avoiding most of
the duplication created by the introduction of this check for meson, but
not all of them:
- Solaris and Windows skipped in the script.
- Whitelist of symbols is in the script.
- nm availability, with its path given as an option of the script.  Its
execution is checked in the script.
- Check is disabled if coverage reports are enabled.  This part is not
pushed down to the script.
- Check is disabled for static builds of libpq.  This part is filtered
out in each build script.

A trick is required for the stamp file, in the shape of an optional
argument that can be given to the script.  Meson expects the stamp in
output and uses this argument, generating the stamp file in the script.
Meson is able to handle the removal of the stamp file internally when
libpq needs to be rebuilt and the check done again.

This refactoring piece has come up while discussing the addition of more
items in the symbols considered as acceptable.

This sanity check has never been run by meson since its introduction in
dc227eb82e, so it is possible that this fails in some of the buildfarm
members.  At least the CI is happy with it, but let's see how it goes.

Author: Nazir Bilal Yavuz <byavuz81@gmail.com>
Co-authored-by: VASUKI M <vasukim1992002@gmail.com>
Reviewed-by: Daniel Gustafsson <daniel@yesql.se>
Reviewed-by: Michael Paquier <michael@paquier.xyz>
Discussion: https://postgr.es/m/19095-6d8256d0c37d4be2@postgresql.org
2025-12-09 10:39:08 +09:00
.github Add CODE_OF_CONDUCT.md, CONTRIBUTING.md, and SECURITY.md. 2024-07-02 13:03:58 -05:00
config Remove traces of support for Sun Studio compiler 2025-09-12 07:39:05 +02:00
contrib Revise APIs for pushJsonbValue() and associated routines. 2025-12-07 11:51:33 -05:00
doc test_custom_stats: Test module for custom cumulative statistics 2025-12-08 15:23:09 +09:00
src libpq: Refactor logic checking for exit() in shared library builds 2025-12-09 10:39:08 +09:00
.cirrus.star ci: Simplify ci-os-only handling 2025-08-14 12:09:34 -04:00
.cirrus.tasks.yml headerscheck ccache support 2025-12-04 11:23:23 +01:00
.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 86b276a4a9 to .git-blame-ignore-revs. 2025-12-05 14:21:12 -06:00
.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 libpq: Refactor logic checking for exit() in shared library builds 2025-12-09 10:39:08 +09:00
configure.ac libpq: Refactor logic checking for exit() in shared library builds 2025-12-09 10:39:08 +09:00
COPYRIGHT Align organization wording in copyright statement 2025-05-16 11:20:07 -04:00
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 Remove AIX support 2024-02-28 15:17:23 +04:00
meson.build libpq: Refactor logic checking for exit() in shared library builds 2025-12-09 10:39:08 +09:00
meson_options.txt Add support for basic NUMA awareness 2025-04-07 23:08:17 +02:00
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/.