[OE-core] [PATCH v2 5/6] busybox.inc: improve reproducibility

[Juro Bystricky]

For reproducible builds do not generate build timestamp as part of
the version string.

Signed-off-by: Juro Bystricky <juro.bystricky at intel.com>
---
 meta/recipes-core/busybox/busybox.inc | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/meta/recipes-core/busybox/busybox.inc b/meta/recipes-core/busybox/busybox.inc
index 375632d..3e991f9 100644
--- a/meta/recipes-core/busybox/busybox.inc
+++ b/meta/recipes-core/busybox/busybox.inc
@@ -138,6 +138,9 @@ do_configure () {
 
 do_compile() {
 	unset CFLAGS CPPFLAGS CXXFLAGS LDFLAGS
+	if [ "$BUILD_REPRODUCIBLE_BINARIES" = "1" ]; then
+		export KCONFIG_NOTIMESTAMP=1
+	fi
 	if [ "${BUSYBOX_SPLIT_SUID}" = "1" -a x`grep "CONFIG_FEATURE_INDIVIDUAL=y" .config` = x ]; then
 	# split the .config into two parts, and make two busybox binaries
 		if [ -e .config.orig ]; then
-- 
2.7.4