linux-kernel - Re: [PATCH] perf build: Lower the priority of tools/lib includes

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Date:   Thu, 6 Jan 2022 16:28:58 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Ian Rogers <irogers@...gle.com>
Cc:     Jiri Slaby <jirislaby@...nel.org>,
        linux-trace-devel@...r.kernel.org,
        Steven Rostedt <rostedt@...dmis.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Jiri Olsa <jolsa@...hat.com>,
        Namhyung Kim <namhyung@...nel.org>,
        linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org,
        Tzvetomir Stoyanov <tz.stoyanov@...il.com>,
        torvalds@...ux-foundation.org, eranian@...gle.com
Subject: Re: [PATCH] perf build: Lower the priority of tools/lib includes

Em Wed, Jan 05, 2022 at 11:26:27PM -0800, Ian Rogers escreveu:
> tools/lib has a 1.1.0 copy of libtraceevent. If a newer system
> version is installed then its headers will go in /usr/include. As -I has
> priority over system headers the 1.1.0 version gets used in preference
> to the system one, which isn't what is wanted. To make the behavior
> match expectations use -idirafter so that any system headers have priority
> over the tools/lib version.
> 
> Fixes: 08efcb4a638d ("libtraceevent: Increase libtraceevent logging when verbose")

Hi,

	You forgot to add your Signed-off-by:, I'm adding it as you
usually provide it, ok?

- Arnaldo

> ---
>  tools/perf/Makefile.config | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config
> index 96ad944ca6a8..0627286380fa 100644
> --- a/tools/perf/Makefile.config
> +++ b/tools/perf/Makefile.config
> @@ -346,7 +346,7 @@ endif
>  
>  INC_FLAGS += -I$(src-perf)/util
>  INC_FLAGS += -I$(src-perf)
> -INC_FLAGS += -I$(srctree)/tools/lib/
> +INC_FLAGS += -idirafter$(srctree)/tools/lib/
>  
>  CORE_CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
>  
> -- 
> 2.34.1.448.ga2b2bfdf31-goog

-- 

- Arnaldo