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Date:   Thu, 13 Apr 2017 12:40:06 +0100
From:   Kim Phillips <>
To:     David Carrillo-Cisneros <>
Cc:     <>,
        Peter Zijlstra <>,
        Ingo Molnar <>,
        Arnaldo Carvalho de Melo <>,
        Alexander Shishkin <>,
        Andi Kleen <>, Simon Que <>,
        Wang Nan <>, Jiri Olsa <>,
        He Kuang <>,
        Masami Hiramatsu <>,
        "Stephane Eranian" <>,
        Paul Turner <>
Subject: Re: [PATCH 5/6] perf tools: disable JVMTI if no ELF support

On Tue, 11 Apr 2017 23:49:18 -0700
David Carrillo-Cisneros <> wrote:

> The build of JVMTI depends on LIBELF (-lelf). Make Makefile.conf
> check this dependendancy and notify user when not present.
> Signed-off-by: David Carrillo-Cisneros <>
> ---

This fixes cross-building perf for arm64 on Ubuntu, as well as native.
Before this patch this error:

/usr/lib/gcc-cross/aarch64-linux-gnu/6/../../../../aarch64-linux-gnu/bin/ld: cannot find -lelf
collect2: error: ld returned 1 exit status

was avoided with make NO_JVMTI=1.

So for this and the rest of the series, FWIW:

Tested-by: Kim Phillips <>



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