linux-kernel - Re: Bug 116411: tools/perf_clean: output directory does not exist. Stop.

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Message-ID: <76615878fdc5c189e7d858b880ce8b85@iam.tj>
Date:	Sun, 17 Apr 2016 01:31:51 +0100
From:	TJ <linux@....tj>
To:	Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:	linux-kernel@...r.kernel.org,
	Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...hat.com>
Subject: Re: Bug 116411: tools/perf_clean: output directory does not exist. Stop.

On 15-04-2016 17:00, Arnaldo Carvalho de Melo wrote:
----8-<---- snip
> 
> Thanks for narrowing it down, do you have any patch fixing this?

I'm having some success with the following change although I'm a long 
way from completing tests of all possible permutations. It's a bit 'raw' 
and could be caught out:

diff --git a/tools/scripts/Makefile.include 
b/tools/scripts/Makefile.include
index 8abbef1..7c88242 100644
--- a/tools/scripts/Makefile.include
+++ b/tools/scripts/Makefile.include
@@ -2,7 +2,7 @@ ifneq ($(O),)
  ifeq ($(origin O), command line)
         dummy := $(if $(shell test -d $(O) || echo $(O)),$(error O=$(O) 
does not exist),)
         ABSOLUTE_O := $(shell cd $(O) ; pwd)
-       OUTPUT := $(ABSOLUTE_O)/$(if $(subdir),$(subdir)/)
+       OUTPUT := $(ABSOLUTE_O)/$(if $(filter 
%$(subdir),$(ABSOLUTE_O)),,$(subdir)/)
         COMMAND_O := O=$(ABSOLUTE_O)
  ifeq ($(objtree),)
         objtree := $(O)