linux-kernel - Re: [PATCH next 2/3] perf tests make: Remove the last egrep call, use 'grep -E' instead

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Date:   Wed, 1 Nov 2023 16:35:15 +0100
From:   Guilherme Amadio <amadio@...too.org>
To:     Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Ian Rogers <irogers@...gle.com>, Jiri Olsa <jolsa@...nel.org>,
        Namhyung Kim <namhyung@...nel.org>
Subject: Re: [PATCH next 2/3] perf tests make: Remove the last egrep call,
 use 'grep -E' instead

Hi Arnaldo,

On Tue, Oct 31, 2023 at 12:31:01PM -0300, Arnaldo Carvalho de Melo wrote:
> One last case, caught while testing with amazonlinux:2, centos:stream,
> etc:
> 
>    4     7.28 amazonlinux:2                 : FAIL egrep: warning: egrep is obsolescent; using grep -E
>    8    13.87 centos:stream                 : FAIL egrep: warning: egrep is obsolescent; using grep -E
> 
> Cc: Adrian Hunter <adrian.hunter@...el.com>
> Cc: Guilherme Amadio <amadio@...too.org>

Looks good.

Reviewed-by: Guilherme Amadio <amadio@...too.org>

Cheers,
-Guilherme

> Cc: Ian Rogers <irogers@...gle.com>
> Cc: Jiri Olsa <jolsa@...nel.org>
> Cc: Namhyung Kim <namhyung@...nel.org>
> Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
> ---
>  tools/perf/tests/make | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/tools/perf/tests/make b/tools/perf/tests/make
> index d9945ed25bc5ae96..8a4da7eb637a8abd 100644
> --- a/tools/perf/tests/make
> +++ b/tools/perf/tests/make
> @@ -183,7 +183,7 @@ run += make_install_prefix_slash
>  # run += make_install_pdf
>  run += make_minimal
>  
> -old_libbpf := $(shell echo '\#include <bpf/libbpf.h>' | $(CC) -E -dM -x c -| egrep -q "define[[:space:]]+LIBBPF_MAJOR_VERSION[[:space:]]+0{1}")
> +old_libbpf := $(shell echo '\#include <bpf/libbpf.h>' | $(CC) -E -dM -x c -| grep -q -E "define[[:space:]]+LIBBPF_MAJOR_VERSION[[:space:]]+0{1}")
>  
>  ifneq ($(old_libbpf),)
>  run += make_libbpf_dynamic
> -- 
> 2.41.0
>