From: Michael Jeanson <mjeanson@efficios.com>
Date: Thu, 18 Mar 2021 21:41:51 +0000 (-0400)
Subject: configure: centralize version information
X-Git-Tag: v0.13.0~39
X-Git-Url: https://git.lttng.org./?a=commitdiff_plain;h=23975ca7672a62a797103b411b11f6126f7368a0;p=userspace-rcu.git

configure: centralize version information

Centralise version information at the beginning of configure.ac to
improve readability.

This is part of an effort to standardise our autotools setup across
project to simplify maintenance.

Change-Id: I394c706f71885dbc6ad22f6d315d48702825fd81
Signed-off-by: Michael Jeanson <mjeanson@efficios.com>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
---

diff --git a/configure.ac b/configure.ac
index 1f499c7..5dc94f3 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,9 +1,31 @@
-AC_PREREQ(2.59)
-AC_INIT([userspace-rcu],[0.12.0],[mathieu dot desnoyers at efficios dot com], [], [http://liburcu.org/])
-
+dnl SPDX-License-Identifier: LGPL-2.1-only
+dnl
+dnl Copyright (C) 2021 EfficiOS, Inc.
+dnl
+dnl Process this file with autoconf to produce a configure script.
+
+# Project version information
+m4_define([urcu_version_major], [0])
+m4_define([urcu_version_minor], [12])
+m4_define([urcu_version_patch], [0])
+m4_define([urcu_version_dev_stage], [])
+m4_define([urcu_version], urcu_version_major[.]urcu_version_minor[.]urcu_version_patch[]urcu_version_dev_stage)
+
+# Library version information of "liburcu"
 # Following the numbering scheme proposed by libtool for the library version
 # http://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html
-AC_SUBST([URCU_LIBRARY_VERSION], [7:0:1])
+m4_define([urcu_lib_version_current], [7])
+m4_define([urcu_lib_version_revision], [0])
+m4_define([urcu_lib_version_age], [1])
+m4_define([urcu_lib_version], urcu_lib_version_current[:]urcu_lib_version_revision[:]urcu_lib_version_age)
+
+
+##                     ##
+## Autoconf base setup ##
+##                     ##
+
+AC_PREREQ(2.59)
+AC_INIT([userspace-rcu],[urcu_version],[mathieu dot desnoyers at efficios dot com],[],[http://liburcu.org/])
 
 AC_CONFIG_HEADERS([include/config.h include/urcu/config.h])
 AC_CONFIG_AUX_DIR([config])
@@ -251,6 +273,13 @@ AC_CHECK_FUNCS([sched_setaffinity],[
 	])
 ])
 
+##                                             ##
+## Substitute variables for use in Makefile.am ##
+##                                             ##
+
+# Library versions for libtool
+AC_SUBST([URCU_LIBRARY_VERSION], [urcu_lib_version])
+
 AM_CPPFLAGS="-include config.h"
 AC_SUBST(AM_CPPFLAGS)