[ptxdist] [PATCH v2 2/2] rules: barebox: support barebox buildsystem_version

[Steffen Trumtrar <s.trumtrar@pengutronix.de>]

barebox supports setting a buildsystem version. This is useful to have
an exact buildsystem version like a commit hash accessible from barebox.

Signed-off-by: Steffen Trumtrar <s.trumtrar@pengutronix.de>
---
 platforms/barebox.in | 13 +++++++++++++
 rules/barebox.make   |  5 +++++
 2 files changed, 18 insertions(+)

diff --git a/platforms/barebox.in b/platforms/barebox.in
index 70d175fb5a03..d35d165011b9 100644
--- a/platforms/barebox.in
+++ b/platforms/barebox.in
@@ -27,6 +27,19 @@ config BAREBOX_VERSION
 	string
 	default "2016.08.0"
 
+config BAREBOX_CONFIG_BUILDSYSTEM_VERSION
+        prompt "add a buildsystem version to the barebox binary"
+        bool
+        help
+          When this option is enabled, the nv variable "nv.buildsystem_version"
+          in barebox is set to PTXCONF_BAREBOX_BUILDSYSTEM_VERSION.
+
+config BAREBOX_BUILDSYSTEM_VERSION
+        prompt "barebox buildsystem version"
+        depends on BAREBOX_CONFIG_BUILDSYSTEM_VERSION
+        string
+        default "${PTXDIST_VCS_VERSION}"
+
 config BAREBOX_MD5
 	prompt "barebox source md5sum"
 	string
diff --git a/rules/barebox.make b/rules/barebox.make
index 23c948408ab3..bea9f3adcbf8 100644
--- a/rules/barebox.make
+++ b/rules/barebox.make
@@ -46,6 +46,11 @@ BAREBOX_CONF_OPT	:= \
 	O=$(BAREBOX_BUILD_DIR) \
 	$(call barebox-opts, BAREBOX)
 
+ifdef PTXCONF_BAREBOX_CONFIG_BUILDSYSTEM_VERSION
+BAREBOX_CONF_OPT += \
+        BUILDSYSTEM_VERSION=$(PTXCONF_BAREBOX_BUILDSYSTEM_VERSION)
+endif
+
 BAREBOX_MAKE_OPT	:= $(BAREBOX_CONF_OPT)
 
 BAREBOX_TAGS_OPT	:= TAGS tags cscope
-- 
2.29.2


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