From: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
Date: Wed, 23 Nov 2016 12:58:46 +0000 (+0100)
Subject: busybox: disable build timestamps for reproducible builds
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=a8254d32fd839ebd0a96863579832678eb6e0038;p=buildroot.git

busybox: disable build timestamps for reproducible builds

Busybox includes some information about the build environment in its
binary. For BR2_REPRODUCIBLE, remove that information.

Signed-off-by: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
Signed-off-by: Jérôme Pouiller <jezz@sysmic.org>
Reviewed-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Reviewed-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
Reviewed-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
---

diff --git a/package/busybox/busybox.mk b/package/busybox/busybox.mk
index fc23a90a29..f4a241d38b 100644
--- a/package/busybox/busybox.mk
+++ b/package/busybox/busybox.mk
@@ -36,6 +36,12 @@ BUSYBOX_MAKE_ENV = \
 	$(TARGET_MAKE_ENV) \
 	CFLAGS="$(BUSYBOX_CFLAGS)" \
 	CFLAGS_busybox="$(BUSYBOX_CFLAGS_busybox)"
+
+ifeq ($(BR2_REPRODUCIBLE),y)
+BUSYBOX_MAKE_ENV += \
+	KCONFIG_NOTIMESTAMP=1
+endif
+
 BUSYBOX_MAKE_OPTS = \
 	CC="$(TARGET_CC)" \
 	ARCH=$(KERNEL_ARCH) \