linux-kernel - [PATCH v4]Perf: Fix Makefile to clean all object files

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Message-Id: <1363258678-11658-1-git-send-email-chenggang.qin@gmail.com>
Date:	Thu, 14 Mar 2013 18:57:58 +0800
From:	chenggang <chenggang.qin@...il.com>
To:	linux-kernel@...r.kernel.org
Cc:	Chenggang Qin <chenggang.qcg@...bao.com>,
	David Ahern <dsahern@...il.com>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Paul Mackerras <paulus@...ba.org>,
	Ingo Molnar <mingo@...hat.com>,
	Arnaldo Carvalho de Melo <acme@...stprotocols.net>,
	Arjan van de Ven <arjan@...ux.intel.com>,
	Namhyung Kim <namhyung@...il.com>,
	Yanmin Zhang <yanmin.zhang@...el.com>,
	Wu Fengguang <fengguang.wu@...el.com>,
	Mike Galbraith <efault@....de>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: [PATCH v4]Perf: Fix Makefile to clean all object files

From: Chenggang Qin <chenggang.qcg@...bao.com>

If we execute "make clean" in perf's directory, many object files cannot be
cleaned in the current version.
For example:
While we run "make clean" in perf's directory, and run the command:
"fine ./ -name "*.o""
we will get:
------------------------------------
./arch/x86/util/unwind.o
./arch/x86/util/header.o
./arch/x86/util/dwarf-regs.o
./util/scripting-engines/trace-event-python.o
./util/scripting-engines/trace-event-perl.o
./util/probe-finder.o
./util/dwarf-aux.o
./util/unwind.o
... ...
------------------------------------
These ".o" files are not cleaned.

The reason is:
These object files are added into "BUILTIN_OBJS" while "make" process check the environment.
If the make command is "clean", the environment check process is not executed. So,
these object files will not be added into "BUILTIN_OBJS" while we execute "make clean".

This patch fixed this problem.
We only add a command:
"find . -name "*.o" -exec rm -f {} \;"

Cc: David Ahern <dsahern@...il.com>
Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc: Paul Mackerras <paulus@...ba.org>
Cc: Ingo Molnar <mingo@...hat.com>
Cc: Arnaldo Carvalho de Melo <acme@...stprotocols.net>
Cc: Arjan van de Ven <arjan@...ux.intel.com>
Cc: Namhyung Kim <namhyung@...il.com>
Cc: Yanmin Zhang <yanmin.zhang@...el.com>
Cc: Wu Fengguang <fengguang.wu@...el.com>
Cc: Mike Galbraith <efault@....de>
Cc: Andrew Morton <akpm@...ux-foundation.org>
Signed-off-by: Chenggang Qin <chenggang.qcg@...bao.com>

---
 tools/perf/Makefile |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/tools/perf/Makefile b/tools/perf/Makefile
index a2108ca..dec08ba 100644
--- a/tools/perf/Makefile
+++ b/tools/perf/Makefile
@@ -1174,6 +1174,7 @@ clean: $(LIBTRACEEVENT)-clean
 	$(RM) $(OUTPUT)util/*-bison*
 	$(RM) $(OUTPUT)util/*-flex*
 	$(python-clean)
+	$(FIND) $(OUTPUT) -name "*.o" -delete
 
 .PHONY: all install clean strip $(LIBTRACEEVENT)
 .PHONY: shell_compatibility_test please_set_SHELL_PATH_to_a_more_modern_shell
-- 
1.7.8.rc2.5.g815b

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