From 605c6da4e469fd779144d9ba9d267a2a0d4a76f1 Mon Sep 17 00:00:00 2001 From: Alexander Couzens Date: Fri, 13 Sep 2019 04:19:13 +0200 Subject: payloads/LinuxBoot: make linux kernel build reproducible Reproducible builds have to be independent from user, host, domain, time. Taken from OpenWrt (GPL2). Change-Id: I420588acc66647051c08e4da6fbedc205cd62877 Signed-off-by: Alexander Couzens Reviewed-on: https://review.coreboot.org/c/coreboot/+/35393 Reviewed-by: Patrick Georgi Tested-by: build bot (Jenkins) --- payloads/external/LinuxBoot/targets/linux.mk | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'payloads') diff --git a/payloads/external/LinuxBoot/targets/linux.mk b/payloads/external/LinuxBoot/targets/linux.mk index 990672936d..c6f43950de 100644 --- a/payloads/external/LinuxBoot/targets/linux.mk +++ b/payloads/external/LinuxBoot/targets/linux.mk @@ -18,7 +18,11 @@ decompress_flag=.done OBJCOPY:=$(LINUXBOOT_CROSS_COMPILE)objcopy KERNEL_MAKE_FLAGS = \ - ARCH=$(ARCH-y) + ARCH=$(ARCH-y) \ + KBUILD_BUILD_USER="coreboot" \ + KBUILD_BUILD_HOST="reproducible" \ + KBUILD_BUILD_TIMESTAMP="$(shell perl -e 'print scalar gmtime($(SOURCE_DATE_EPOCH))')" \ + KBUILD_BUILD_VERSION="0" ifeq ($(CONFIG_LINUXBOOT_KERNEL_CUSTOM),y) kernel_version:=$(CONFIG_LINUXBOOT_KERNEL_CUSTOM_VERSION) -- cgit v1.2.3