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include/kernel: add custom USER/DOMAIN config options

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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
This commit is contained in:
Felix Fietkau
2016-01-28 22:42:34 +00:00
parent fefe200a00
commit b3f7902a06
2 changed files with 18 additions and 0 deletions
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16
config/Config-kernel.in
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@@ -4,6 +4,22 @@
# 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