It looks at O= and adjusts the $(OUTPUT) variable based on what the
output directory will be. However, when O is defined but empty, it
wrongly becomes the user's $HOME dir which is not what we want. So check
it is not empty before working with it further.
Signed-off-by: Borislav Petkov <firstname.lastname@example.org>
Cc: Ingo Molnar <email@example.com>
Cc: Steven Rostedt <firstname.lastname@example.org>
Link: http://email@example.comSigned-off-by: Arnaldo Carvalho de Melo <firstname.lastname@example.org>