From: Ming Liu <[email protected]>

Just like UBOOT_LOCALVERSION, an end user can set KERNEL_LOCALVERSION
to append a string to the name of the local version of the kernel
image.

Signed-off-by: Ming Liu <[email protected]>
Signed-off-by: Alexandre Belloni <[email protected]>
Signed-off-by: Richard Purdie <[email protected]>

cherry-picked from master 229435a52f36ddec5f85fb6d5ccd42044b688397

Signed-off-by: Andreas Helbech Kleist <[email protected]>
---
 meta/classes/kernel.bbclass  | 6 +++++-
 meta/conf/documentation.conf | 1 +
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/meta/classes/kernel.bbclass b/meta/classes/kernel.bbclass
index 5951347361..80fb1879b0 100644
--- a/meta/classes/kernel.bbclass
+++ b/meta/classes/kernel.bbclass
@@ -614,6 +614,7 @@ do_shared_workdir () {
 # We don't need to stage anything, not the modules/firmware since those would 
clash with linux-firmware
 SYSROOT_DIRS = ""
 
+KERNEL_LOCALVERSION ??= ""
 KERNEL_CONFIG_COMMAND ?= "oe_runmake_call -C ${S} O=${B} olddefconfig || 
oe_runmake -C ${S} O=${B} oldnoconfig"
 
 python check_oldest_kernel() {
@@ -635,7 +636,10 @@ kernel_do_configure() {
        # $ scripts/setlocalversion . => +
        # $ make kernelversion => 2.6.37
        # $ make kernelrelease => 2.6.37+
-       touch ${B}/.scmversion ${S}/.scmversion
+       if [ ! -e ${B}/.scmversion -a ! -e ${S}/.scmversion ]; then
+               echo ${KERNEL_LOCALVERSION} > ${B}/.scmversion
+               echo ${KERNEL_LOCALVERSION} > ${S}/.scmversion
+       fi
 
        if [ "${S}" != "${B}" ] && [ -f "${S}/.config" ] && [ ! -f 
"${B}/.config" ]; then
                mv "${S}/.config" "${B}/.config"
diff --git a/meta/conf/documentation.conf b/meta/conf/documentation.conf
index ab2addb321..e55bfa288d 100644
--- a/meta/conf/documentation.conf
+++ b/meta/conf/documentation.conf
@@ -253,6 +253,7 @@ KERNEL_MODULE_PROBECONF[doc] = "Lists kernel modules for 
which the build system
 KERNEL_PACKAGE_NAME[doc] = "Name prefix for kernel packages. Defaults to 
'kernel'."
 KERNEL_PATH[doc] = "The location of the kernel sources. This variable is set 
to the value of the STAGING_KERNEL_DIR within the module class 
(module.bbclass)."
 KERNEL_SRC[doc] = "The location of the kernel sources. This variable is set to 
the value of the STAGING_KERNEL_DIR within the module class (module.bbclass)."
+KERNEL_LOCALVERSION[doc] = "Appends a string to the name of the local version 
of the kernel image."
 KFEATURE_DESCRIPTION[doc] = "Provides a short description of a configuration 
fragment. You use this variable in the .scc file that describes a configuration 
fragment file."
 KMACHINE[doc] = "The machine as known by the kernel."
 KTYPE[doc] = "Defines the kernel type to be used in assembling the 
configuration."
-- 
2.43.2

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