oeqa/runtime: Improve failure log output

Printing a message which says "configure failed" without the log output
is effectively useless. If a command fails, print the output by default
and simplify the calling code which makes debugging any of these failures
much easier.

(From OE-Core rev: b6352ff001c29f0bff10c18879b92c5618ec645c)

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

meta/lib/oeqa/runtime/utils/targetbuildproject.py

@@ -33,4 +33,8 @@ class TargetBuildProject(BuildProject):
     # The timeout parameter of target.run is set to 0
     # to make the ssh command run with no timeout.
     def _run(self, cmd):
-        return self.target.run(cmd, 0)[0]
+        ret = self.target.run(cmd, 0)
+        msg = "Command %s failed with exit code %s: %s" % (cmd, ret[0], ret[1])
+        if ret[0] != 0:
+            raise Exception(msg)
+        return ret[0]