bblayers.conf: Add a new variable to prevent certain layers to be removed

[YOCTO #3372]
Signed-off-by: Cristiana Voicu <cristiana.voicu@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

diff --git a/meta-yocto/conf/bblayers.conf.sample b/meta-yocto/conf/bblayers.conf.sample
index 98bfd70c22ef3d69f1c9afc1a3f5814486b9fd54..7fd755d1a9ca277043285abc137b40646a392dbe 100644 (file)
--- a/meta-yocto/conf/bblayers.conf.sample
+++ b/meta-yocto/conf/bblayers.conf.sample
@@ -10,3 +10,7 @@ BBLAYERS ?= " \
   ##COREBASE##/meta-yocto \
   ##COREBASE##/meta-yocto-bsp \
   "
+BBLAYERS_NON_REMOVABLE ?= " \
+  ##COREBASE##/meta \
+  ##COREBASE##/meta-yocto \
+  "