sstate: Append to EXTRASSTATEMAPS and add comment

Appending to EXTRA_SSTATEMAPS is better than just hardcoding a value. Also
add a comment about why this is necessary.

(From OE-Core rev: d4f4a57b8d564d57256017d937ed2eabf94c36ae)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

diff --git a/meta/classes/sstate.bbclass b/meta/classes/sstate.bbclass
index 9a168d4..6ccaf6d 100644 (file)
--- a/meta/classes/sstate.bbclass
+++ b/meta/classes/sstate.bbclass
@@ -561,7 +561,8 @@ sstate_unpack_package () {
        tar -xvzf ${SSTATE_PKG}
 }
 
-EXTRASSTATEMAPS = "do_deploy:deploy"
+# Need to inject information about classes not in the global configuration scope
+EXTRASSTATEMAPS += "do_deploy:deploy"
 
 BB_HASHCHECK_FUNCTION = "sstate_checkhashes"