oeqa/selftest/context: ensure log directory exists

Ensure log directory exists to avoid the following error.

  FileNotFoundError: [Errno 2] No such file or directory: '/.../build-selftest/tmp/log/oe-selftest-results-20181207043431.log'

(From OE-Core rev: 6c41de48db76087fee596d9440d8f05346ab1094)

Signed-off-by: Chen Qi <Qi.Chen@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/meta/lib/oeqa/selftest/context.py b/meta/lib/oeqa/selftest/context.py
index c521290327..c56e53dcdd 100644
--- a/meta/lib/oeqa/selftest/context.py
+++ b/meta/lib/oeqa/selftest/context.py
@@ -108,6 +108,7 @@ class OESelftestTestContextExecutor(OETestContextExecutor):
         logdir = os.environ.get("BUILDDIR")
         if 'LOG_DIR' in bbvars:
             logdir = bbvars['LOG_DIR']
+        bb.utils.mkdirhier(logdir)
         args.output_log = logdir + '/%s-results-%s.log' % (self.name, args.test_start_time)
 
         super(OESelftestTestContextExecutor, self)._process_args(logger, args)