kernel-devsrc: check for localversion files in the kernel source tree

The kernel-devsrc rework doesn't take into account localversion
files in the kernel source tree. This might result in modules with an
incomplete version magic when building out-of-tree using the SDK.

Before:
root@qemux86:~# insmod hello.ko
[   42.000212] hello: version magic '5.0.3-yocto-standard SMP preempt
mod_unload PENTIUMM ' should be '5.0.3-my-custom-release-yocto-standard
SMP preempt mod_unload PENTIUMM '
[   42.008200] hello: version magic '5.0.3-yocto-standard SMP preempt
mod_unload PENTIUMM ' should be '5.0.3-my-custom-release-yocto-standard
SMP preempt mod_unload PENTIUMM '
insmod: can't insert 'hello.ko': invalid module format

After:
root@qemux86:~# insmod hello.ko
[   39.094288] hello: loading out-of-tree module taints kernel.
[   39.108044] Hello World!

(From OE-Core rev: 68b9243729ac1982c9f1d30980cf979267bbc7c3)

Signed-off-by: Beniamin Sandu <beniamin.sandu@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 3 insertions, 0 deletions

diff --git a/meta/recipes-kernel/linux/kernel-devsrc.bb b/meta/recipes-kernel/linux/kernel-devsrc.bb
index 69a8eaef81..5ec5929735 100644
--- a/meta/recipes-kernel/linux/kernel-devsrc.bb
+++ b/meta/recipes-kernel/linux/kernel-devsrc.bb
@@ -228,6 +228,9 @@ do_install() {
 
         # required to build scripts/selinux/genheaders/genheaders
         cp -a --parents security/selinux/include/* $kerneldir/build/
+
+        # copy any localversion files
+        cp -a localversion* $kerneldir/build/ 2>/dev/null || :
     )
 
     # Make sure the Makefile and version.h have a matching timestamp so that