linux-kernel - [PATCH resend 2/2] tools lib traceevent: Use realpath for srctree and objtree

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Message-ID: <1391823896-11277-1-git-send-email-wangnan0@huawei.com>
Date:	Sat, 8 Feb 2014 09:44:56 +0800
From:	Wang Nan <wangnan0@...wei.com>
To:	<linux-kernel@...r.kernel.org>
CC:	Jiri Olsa <jolsa@...hat.com>, Wang Nan <wangnan0@...wei.com>,
	"Arnaldo Carvalho de Melo" <acme@...hat.com>,
	Steven Rostedt <rostedt@...dmis.org>,
	Namhyung Kim <namhyung@...nel.org>,
	Ingo Molnar <mingo@...nel.org>,
	"Andrew Morton" <akpm@...ux-foundation.org>,
	Geng Hui <hui.geng@...wei.com>
Subject: [PATCH resend 2/2] tools lib traceevent: Use realpath for srctree and objtree

If BUILD_SRC or CURDIR contains tailing '/', the file names passed to gcc will
contain '//'. It will be contained .o's in debuginfo, then confuse debugedit:

https://bugzilla.redhat.com/show_bug.cgi?id=304121

This patch uses realpath command to makesure potential tailing '/'s are removed.

Signed-off-by: Wang Nan <wangnan0@...wei.com>
Acked-by: Jiri Olsa <jolsa@...hat.com>
Cc: Arnaldo Carvalho de Melo <acme@...hat.com>
Cc: Steven Rostedt <rostedt@...dmis.org>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Ingo Molnar <mingo@...nel.org>
Cc: Andrew Morton <akpm@...ux-foundation.org>
Cc: Geng Hui <hui.geng@...wei.com>

---
 tools/lib/traceevent/Makefile | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/lib/traceevent/Makefile b/tools/lib/traceevent/Makefile
index 005c9cc..5bb281c 100644
--- a/tools/lib/traceevent/Makefile
+++ b/tools/lib/traceevent/Makefile
@@ -107,8 +107,8 @@ endif # BUILD_SRC
 # We process the rest of the Makefile if this is the final invocation of make
 ifeq ($(skip-makefile),)
 
-srctree		:= $(if $(BUILD_SRC),$(BUILD_SRC),$(CURDIR))
-objtree		:= $(CURDIR)
+srctree		:= $(realpath $(if $(BUILD_SRC),$(BUILD_SRC),$(CURDIR)))
+objtree		:= $(realpath $(CURDIR))
 src		:= $(srctree)
 obj		:= $(objtree)
 
-- 
1.8.4

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