Message ID | 1479905937-17241-6-git-send-email-jezz@sysmic.org |
---|---|
State | Accepted |
Headers | show |
Hello, On Wed, 23 Nov 2016 13:58:44 +0100, Jérôme Pouiller wrote: > From: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org> > > Linux kernel include a few information about build environment in its binary. > This feature is incompatible with BR2_REPRODUCIBLE. This patch overload build > information when BR2_REPRODUCIBLE is enabled. > > Note that usage of KBUILD_BUILD_TIMESTAMP is not mandatory since Buildroot > use `fakedate'. However, native solution is prefered when upstream > provide one. > > Signed-off-by: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org> > Reviewed-by: "Yann E. MORIN" <yann.morin.1998@free.fr> > Signed-off-by: Jérôme Pouiller <jezz@sysmic.org> > --- Applied to next, thanks. Thomas
diff --git a/linux/linux.mk b/linux/linux.mk index 988427c..7e826cc 100644 --- a/linux/linux.mk +++ b/linux/linux.mk @@ -94,6 +94,14 @@ 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 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`