From mboxrd@z Thu Jan 1 00:00:00 1970 From: Gilles Chanteperdrix Date: Tue, 14 Jun 2016 17:31:12 +0200 Subject: [Buildroot] [PATCH 04/12] reproducibility/linux: override build timestamp In-Reply-To: <1465918277-30675-1-git-send-email-gilles.chanteperdrix@xenomai.org> References: <20160614152928.GH3060@hermes.click-hack.org> <1465918277-30675-1-git-send-email-gilles.chanteperdrix@xenomai.org> Message-ID: <1465918277-30675-4-git-send-email-gilles.chanteperdrix@xenomai.org> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: buildroot@busybox.net with SOURCE_DATE_EPOCH Signed-off-by: Gilles Chanteperdrix --- linux/linux.mk | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/linux/linux.mk b/linux/linux.mk index a751da9..2a7310c 100644 --- a/linux/linux.mk +++ b/linux/linux.mk @@ -97,6 +97,14 @@ LINUX_MAKE_ENV = \ $(TARGET_MAKE_ENV) \ BR_BINARIES_DIR=$(BINARIES_DIR) +ifeq ($(BR2_REPRODUCIBLE),y) +LINUX_MAKE_ENV += \ + KBUILD_BUILD_VERSION=1 \ + KBUILD_BUILD_USER=buildroot \ + KBUILD_BUILD_HOST=buildroot \ + KBUILD_BUILD_TIMESTAMP="$(shell TZ=UTC LANG=C LC_ALL=C date -d @$(SOURCE_DATE_EPOCH))" +endif + # Get the real Linux version, which tells us where kernel modules are # going to be installed in the target filesystem. LINUX_VERSION_PROBED = `$(MAKE) $(LINUX_MAKE_FLAGS) -C $(LINUX_DIR) --no-print-directory -s kernelrelease 2>/dev/null` -- 2.8.2