devtool: extract: copy kernel config to srctree

This makes the correct kernel config to be used when building kernel
from srctree (extrernalsrc). If no kernel config is present in the
builddir 'do_configure' task copies .config from the srctree.

(From OE-Core rev: 3b516332e038a587685f6e0c14a7f04990bdd6cc)

Signed-off-by: Markus Lehtonen <markus.lehtonen@linux.intel.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 8 insertions, 0 deletions

diff --git a/scripts/lib/devtool/standard.py b/scripts/lib/devtool/standard.py
index 68d6eb98c5..a4f3da4d14 100644
--- a/scripts/lib/devtool/standard.py
+++ b/scripts/lib/devtool/standard.py
@@ -457,6 +457,14 @@ def _extract_source(srctree, keep_temp, devbranch, sync, d):
             if haspatches:
                 bb.process.run('git checkout patches', cwd=srcsubdir)
 
+        if bb.data.inherits_class('kernel-yocto', d):
+            # Store generate and store kernel config
+            logger.info('Generating kernel config')
+            task_executor.exec_func('do_configure', False)
+            kconfig = os.path.join(d.getVar('B', True), '.config')
+            shutil.copy2(kconfig, srcsubdir)
+
+
         tempdir_localdir = os.path.join(tempdir, 'oe-local-files')
         srctree_localdir = os.path.join(srctree, 'oe-local-files')