linux-kernel - [PATCH 09/20] perf tools: Remove annoying extra message from the features build

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Date:	Tue,  3 Mar 2015 00:25:58 -0300
From:	Arnaldo Carvalho de Melo <acme@...nel.org>
To:	Ingo Molnar <mingo@...nel.org>
Cc:	linux-kernel@...r.kernel.org, David Ahern <david.ahern@...cle.com>,
	Jiri Olsa <jolsa@...hat.com>,
	Namhyung Kim <namhyung@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Arnaldo Carvalho de Melo <acme@...hat.com>
Subject: [PATCH 09/20] perf tools: Remove annoying extra message from the features build

From: Ingo Molnar <mingo@...nel.org>

This message:

  Makefile:153: The path 'python-config' is not executable.

Appears on every perf build that does not have a sufficient python
environment installed. It's really just an internal detail of python
configuration pass and users should not see it - and it's pretty
meaningless to them in any case because the message is not very helpful.
(So it's not executable. Why does that matter? What can the user do
about it?)

Remove the warning, the missing python feature warning is sufficient:

  config/Makefile:566: No python-config tool was found
  config/Makefile:566: Python support will not be built

although even that one isn't very helpful to users: so no Python support
will be built, what can the user do to fix that? Most other such
warnings give package install suggestions.

Signed-off-by: Ingo Molnar <mingo@...nel.org>
Cc: David Ahern <david.ahern@...cle.com>
Cc: Jiri Olsa <jolsa@...hat.com>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Link: http://lkml.kernel.org/r/20150228081750.GA31887@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/config/utilities.mak | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/tools/perf/config/utilities.mak b/tools/perf/config/utilities.mak
index 7076a62d0ff7..c16ce833079c 100644
--- a/tools/perf/config/utilities.mak
+++ b/tools/perf/config/utilities.mak
@@ -175,6 +175,5 @@ _ge-abspath = $(if $(is-executable),$(1))
 define get-executable-or-default
 $(if $($(1)),$(call _ge_attempt,$($(1)),$(1)),$(call _ge_attempt,$(2)))
 endef
-_ge_attempt = $(if $(get-executable),$(get-executable),$(_gea_warn)$(call _gea_err,$(2)))
-_gea_warn = $(warning The path '$(1)' is not executable.)
+_ge_attempt = $(if $(get-executable),$(get-executable),$(call _gea_err,$(2)))
 _gea_err  = $(if $(1),$(error Please set '$(1)' appropriately))
-- 
1.9.3

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