linux-kernel - Re: [PATCH 2/4] perf tests: Fix static build test

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Message-ID: <20190901151528.GM28011@kernel.org>
Date:   Sun, 1 Sep 2019 12:15:28 -0300
From:   Arnaldo Carvalho de Melo <arnaldo.melo@...il.com>
To:     Jiri Olsa <jolsa@...nel.org>
Cc:     lkml <linux-kernel@...r.kernel.org>,
        Ingo Molnar <mingo@...nel.org>,
        Namhyung Kim <namhyung@...nel.org>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Peter Zijlstra <a.p.zijlstra@...llo.nl>,
        Michael Petlan <mpetlan@...hat.com>
Subject: Re: [PATCH 2/4] perf tests: Fix static build test

Em Sun, Sep 01, 2019 at 02:48:20PM +0200, Jiri Olsa escreveu:
> Link: http://lkml.kernel.org/n/tip-ibdgg163291sx5m5xkojx5sq@git.kernel.org


Can you explain why this is needed? Wat is the problem with building
statically with those features? What happens when one tries to do it
that way?

I.e. what is this fixing?

- Arnaldo

> Signed-off-by: Jiri Olsa <jolsa@...nel.org>
> ---
>  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 70c48475896d..17ee3facfd4d 100644
> --- a/tools/perf/tests/make
> +++ b/tools/perf/tests/make
> @@ -100,7 +100,7 @@ make_install_info   := install-info
>  make_install_pdf    := install-pdf
>  make_install_prefix       := install prefix=/tmp/krava
>  make_install_prefix_slash := install prefix=/tmp/krava/
> -make_static         := LDFLAGS=-static
> +make_static         := LDFLAGS=-static NO_PERF_READ_VDSO32=1 NO_JVMTI=1
>  
>  # all the NO_* variable combined
>  make_minimal        := NO_LIBPERL=1 NO_LIBPYTHON=1 NO_NEWT=1 NO_GTK2=1
> -- 
> 2.21.0

-- 

- Arnaldo