From a2edfc7df6210125fa51b0a89469a24f659425d0 Mon Sep 17 00:00:00 2001
From: Philippe Proulx <eeppeliteloop@gmail.com>
Date: Tue, 4 Apr 2017 14:11:14 -0400
Subject: [PATCH] Add bt_version_get_*() functions to dynamically get the lib's
 version
MIME-Version: 1.0
Content-Type: text/plain; charset=utf8
Content-Transfer-Encoding: 8bit

Signed-off-by: Philippe Proulx <eeppeliteloop@gmail.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
---
 configure.ac                    | 14 ++++++++++++--
 include/babeltrace/babeltrace.h |  8 ++++----
 lib/babeltrace.c                | 19 +++++++++++++++++++
 3 files changed, 35 insertions(+), 6 deletions(-)

diff --git a/configure.ac b/configure.ac
index 84fae3c3..c3714659 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,14 +1,24 @@
 AC_PREREQ([2.50])
-AC_INIT([babeltrace],[2.0.0-pre],[jeremie dot galarneau at efficios dot com])
+m4_define([bt_version_major], [2])
+m4_define([bt_version_minor], [0])
+m4_define([bt_version_patch], [0])
+m4_define([bt_version_extra], [-pre])
+m4_define([bt_version], bt_version_major[.]bt_version_minor[.]bt_version_patch[]bt_version_extra)
+AC_INIT([babeltrace],bt_version,[jeremie dot galarneau at efficios dot com])
 
 # 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([BABELTRACE_LIBRARY_VERSION], [2:0:0])
+AC_SUBST([BABELTRACE_LIBRARY_VERSION], bt_version_major[:]bt_version_minor[:]bt_version_patch)
 
 AC_CONFIG_HEADERS([config.h])
 AC_CONFIG_AUX_DIR([config])
 AC_CONFIG_MACRO_DIR([m4])
 
+AC_DEFINE([BT_VERSION_MAJOR], bt_version_major, [Babeltrace library major version])
+AC_DEFINE([BT_VERSION_MINOR], bt_version_minor, [Babeltrace library minor version])
+AC_DEFINE([BT_VERSION_PATCH], bt_version_patch, [Babeltrace library patch version])
+AC_DEFINE([BT_VERSION_EXTRA], ["]bt_version_extra["], [Babeltrace library extra version])
+
 AC_CANONICAL_TARGET
 AC_CANONICAL_HOST
 
diff --git a/include/babeltrace/babeltrace.h b/include/babeltrace/babeltrace.h
index 365382e5..f2efdf52 100644
--- a/include/babeltrace/babeltrace.h
+++ b/include/babeltrace/babeltrace.h
@@ -25,9 +25,9 @@
  * SOFTWARE.
  */
 
-#include <babeltrace/context.h>
-#include <babeltrace/format.h>
-#include <babeltrace/iterator.h>
-#include <babeltrace/trace-handle.h>
+extern int bt_version_get_major(void);
+extern int bt_version_get_minor(void);
+extern int bt_version_get_patch(void);
+extern const char *bt_version_get_extra(void);
 
 #endif /* _BABELTRACE_H */
diff --git a/lib/babeltrace.c b/lib/babeltrace.c
index 881e80d6..090fc3bc 100644
--- a/lib/babeltrace.c
+++ b/lib/babeltrace.c
@@ -40,3 +40,22 @@ void __attribute__((constructor)) init_babeltrace_lib(void)
 	if (getenv("BABELTRACE_DEBUG"))
 		babeltrace_debug = 1;
 }
+
+int bt_version_get_major(void)
+{
+	return BT_VERSION_MAJOR;
+}
+
+int bt_version_get_minor(void)
+{
+	return BT_VERSION_MINOR;
+}
+
+int bt_version_get_patch(void) {
+	return BT_VERSION_PATCH;
+}
+
+const char *bt_version_get_extra(void)
+{
+	return BT_VERSION_EXTRA;
+}
-- 
2.34.1