bitbake: cookerdata: Show error for no BBLAYERS in bblayers.conf

If there is no BBLAYERS set in bblayers.conf show a more helpful
error and exit.

[YOCTO #14340]

(Bitbake rev: 7f7034a6a0893debd8a5288a5765146a8b2ab0a0)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
(cherry picked from commit 97183e10faf9862b5d9489d6e2c27ac77c3b697d)
Signed-off-by: Steve Sakoman <steve@sakoman.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 3 insertions, 0 deletions

diff --git a/bitbake/lib/bb/cookerdata.py b/bitbake/lib/bb/cookerdata.py
index 44af7b2a2a..26b9b0b41b 100644
--- a/bitbake/lib/bb/cookerdata.py
+++ b/bitbake/lib/bb/cookerdata.py
@@ -348,6 +348,9 @@ class CookerDataBuilder(object):
             layers = (data.getVar('BBLAYERS') or "").split()
             broken_layers = []
 
+            if not layers:
+                bb.fatal("The bblayers.conf file doesn't contain any BBLAYERS definition")
+
             data = bb.data.createCopy(data)
             approved = bb.utils.approved_variables()