[OE-core] [PATCH] package.bbclass: don't error when the root doesn't exist in do_split_packages

[Ross Burton]

If nothing has been installed in the root automake 1.12 won't install the
directory, which means os.walk will throw a file not found exception.

Signed-off-by: Ross Burton <ross.burton at intel.com>
---
 meta/classes/package.bbclass |    4 ++++
 1 file changed, 4 insertions(+)

diff --git a/meta/classes/package.bbclass b/meta/classes/package.bbclass
index fc83424..0ddf788 100644
--- a/meta/classes/package.bbclass
+++ b/meta/classes/package.bbclass
@@ -74,6 +74,10 @@ def do_split_packages(d, root, file_regex, output_pattern, description, postinst
     given package, usually plugins or modules.
     """
 
+    # If the root doesn't exist, return early
+    if not os.path.exists(dvar + root):
+        return
+
     ml = d.getVar("MLPREFIX", True)
     if ml:
         if not output_pattern.startswith(ml):
-- 
1.7.10