classes/externalsrc: handle tasks with existing lockfiles

We need to ensure we add a leading space to the value we are prepending
here in case lockfiles already has a value.

Fixes [YOCTO #7813].

Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com>

diff --git a/meta/classes/externalsrc.bbclass b/meta/classes/externalsrc.bbclass
index 75bdb7a14d4a3edb2a0d7a67c9dd9aa42fe5c01d..8f7f479293ed09836deae18e04f9bc4c921eed7a 100644 (file)
--- a/meta/classes/externalsrc.bbclass
+++ b/meta/classes/externalsrc.bbclass
@@ -55,7 +55,7 @@ python () {
                 bb.build.deltask(task, d)
             else:
                 # Since configure will likely touch ${S}, ensure only we lock so one task has access at a time
-                d.appendVarFlag(task, "lockfiles", "${S}/singletask.lock")
+                d.appendVarFlag(task, "lockfiles", " ${S}/singletask.lock")
 
             # We do not want our source to be wiped out, ever (kernel.bbclass does this for do_clean)
             cleandirs = d.getVarFlag(task, 'cleandirs', False)