Re: [PATCH] tools lib traceevent: Use realpath for srctree and objtree

From: Steven Rostedt
Date: Mon Feb 23 2015 - 21:08:58 EST


Another email inbox clean up: BLAST FROM THE PAST

On Fri, 7 Feb 2014 12:22:33 +0800
Wang Nan <wangnan0@xxxxxxxxxx> wrote:

> 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.

Is this still an issue? I know Jiri did a bunch of changes to the make
process, but does this still confuse debugedit (whatever that is)?

-- Steve

>
> Signed-off-by: Wang Nan <wangnan0@xxxxxxxxxx>
> Cc: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
> Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
> Cc: Steven Rostedt <rostedt@xxxxxxxxxxx>
> Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
> Cc: Ingo Molnar <mingo@xxxxxxxxxx>
> Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
> Cc: Geng Hui <hui.geng@xxxxxxxxxx>
>
> ---
> 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)
>

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