Alexey Neyman 1d6bed6254 Only create backtrace stamp if dir exists.
If the build is aborted before the working directory is created,
there's also an induced error message about inability to create
a 'backtrace' file. But in that case, there is no subshells executing
yet.

Signed-off-by: Alexey Neyman <stilor@att.net>
2015-10-30 16:24:52 -07:00
..
2012-01-16 23:36:42 +01:00
2009-10-30 20:08:44 +01:00
2013-01-06 12:08:33 +01:00
2012-12-05 20:31:43 +01:00