These allow the generated kernel's build metadata to be defined explicitly.
This metadata is reported, eg, at boot time and in `uname -a` on running
systems. If the variables aren't configured, the current build system username
and hostname are used as normal.
The motivation for this option is to achive reproducible (bit-for-bit
identical) kernel builds of official openwrt releases.
Signed-off-by: bryan newbold <bnewbold@robocracy.org>
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
SVN-Revision: 48541
# See /LICENSE for more information.
#
# See /LICENSE for more information.
#
+config KERNEL_BUILD_USER
+ string "Custom Kernel Build User Name"
+ default ""
+ help
+ Sets the Kernel build user string, which for example will be returned
+ by 'uname -a' on running systems.
+ If not set, uses system user at build time.
+
+config KERNEL_BUILD_DOMAIN
+ string "Custom Kernel Build Domain Name"
+ default ""
+ help
+ Sets the Kernel build domain string, which for example will be
+ returned by 'uname -a' on running systems.
+ If not set, uses system hostname at build time.
+
config KERNEL_PRINTK
bool "Enable support for printk"
default y
config KERNEL_PRINTK
bool "Enable support for printk"
default y
CROSS_COMPILE="$(KERNEL_CROSS)" \
ARCH="$(LINUX_KARCH)" \
KBUILD_HAVE_NLS=no \
CROSS_COMPILE="$(KERNEL_CROSS)" \
ARCH="$(LINUX_KARCH)" \
KBUILD_HAVE_NLS=no \
+ KBUILD_BUILD_USER="$(call qstrip,$(CONFIG_KERNEL_BUILD_USER))" \
+ KBUILD_BUILD_HOST="$(call qstrip,$(CONFIG_KERNEL_BUILD_DOMAIN))" \
CONFIG_SHELL="$(BASH)" \
$(if $(findstring c,$(OPENWRT_VERBOSE)),V=1,V='') \
$(if $(PKG_BUILD_ID),LDFLAGS_MODULE=--build-id=0x$(PKG_BUILD_ID))
CONFIG_SHELL="$(BASH)" \
$(if $(findstring c,$(OPENWRT_VERBOSE)),V=1,V='') \
$(if $(PKG_BUILD_ID),LDFLAGS_MODULE=--build-id=0x$(PKG_BUILD_ID))