[PATCH 2/4] common: print buildsystem version in barebox banner

[Steffen Trumtrar]

When the barebox banner is enabled and printed during startup, also show
information about the buildsystem version: the exact state of the
barebox binary and its config.

Signed-off-by: Steffen Trumtrar <s.trumtrar at pengutronix.de>
---
 common/version.c | 6 ++++++
 include/common.h | 1 +
 2 files changed, 7 insertions(+)

diff --git a/common/version.c b/common/version.c
index 8b1fd4dbe756..54cec5335d9c 100644
--- a/common/version.c
+++ b/common/version.c
@@ -10,11 +10,17 @@ const char release_string[] =
 	"barebox-" UTS_RELEASE;
 EXPORT_SYMBOL(release_string);
 
+const char buildsystem_version_string[] =
+	BUILDSYSTEM_VERSION;
+EXPORT_SYMBOL(buildsystem_version_string);
+
 #ifdef CONFIG_BANNER
 void barebox_banner (void)
 {
 	printf("\n\n");
 	pr_info("%s", version_string);
+	if (strlen(buildsystem_version_string) > 0)
+		pr_info("Buildsystem version: %s", buildsystem_version_string);
 	printf("\n\n");
 	pr_info("Board: %s\n", barebox_get_model());
 }
diff --git a/include/common.h b/include/common.h
index ceb0b358bd44..693f5bf97029 100644
--- a/include/common.h
+++ b/include/common.h
@@ -124,6 +124,7 @@ int memcpy_parse_options(int argc, char *argv[], int *sourcefd,
 
 extern const char version_string[];
 extern const char release_string[];
+extern const char buildsystem_version_string[];
 #ifdef CONFIG_BANNER
 void barebox_banner(void);
 #else
-- 
2.28.0