include ${@bb.utils.contains('PACKAGECONFIG', 'scripting', 'perf-perl.inc', '', d)}
1. "${...}" part expands into empty string
2. bb.utils.which() takes empty string and returns first directory name from bbpath
3. shutil.copy() fails on copying directory:
Exception: IsADirectoryError: [Errno 21] Is a directory: ......
Hence, check "incfile" variable on each step.
Signed-off-by: grygorii tertychnyi <gtertych@cisco.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
