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mirror of https://gitlab.isc.org/isc-projects/bind9 synced 2025-08-22 01:59:26 +00:00
bind/util/select-baseline-version.jq
Aydın Mercan 5cd6c173ff
replace the build system with meson
Meson is a modern build system that has seen a rise in adoption and some
version of it is available in almost every platform supported.

Compared to automake, meson has the following advantages:

* Meson provides a significant boost to the build and configuration time
  by better exploiting parallelism.

* Meson is subjectively considered to be better in readability.

These merits alone justify experimenting with meson as a way of
improving development time and ergonomics. However, there are some
compromises to ensure the transition goes relatively smooth:

* The system tests currently rely on various files within the source
  directory. Changing this requirement is a non-trivial task that can't
  be currently justified. Currently the last compiled build directory
  writes into the source tree which is in turn used by pytest.

* The minimum version supported has been fixed at 0.61. Increasing this
  value will require choosing a baseline of distributions that can
  package with meson. On the contrary, there will likely be an attempt
  to decrease this value to ensure almost universal support for building
  BIND 9 with meson.
2025-06-11 10:30:12 +03:00

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#!/usr/bin/env -S jq -rf
# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
#
# SPDX-License-Identifier: MPL-2.0
#
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, you can obtain one at https://mozilla.org/MPL/2.0/.
#
# See the COPYRIGHT file distributed with this work for additional
# information regarding copyright ownership.
# Select baseline tag version for testing
.version
| rtrimstr("-dev")
| split(".")
| {major: .[0], minor: .[1], patch: .[2]}
| map_values(tonumber)
# When testing a .0 release, compare it against the previous development
# release (e.g., 9.19.0 and 9.18.0 should both be compared against 9.17.22).
| if .patch == 0 then .minor - 1 - (.minor % 2) else .minor end
| "v9.\(.)"