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Date:   Thu, 13 Apr 2017 11:47:11 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Jiri Olsa <jolsa@...hat.com>
Cc:     David Carrillo-Cisneros <davidcc@...gle.com>,
        linux-kernel@...r.kernel.org,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Andi Kleen <ak@...ux.intel.com>, Simon Que <sque@...omium.org>,
        Wang Nan <wangnan0@...wei.com>, Jiri Olsa <jolsa@...nel.org>,
        He Kuang <hekuang@...wei.com>,
        Kim Phillips <kim.phillips@....com>,
        Masami Hiramatsu <mhiramat@...nel.org>,
        Stephane Eranian <eranian@...gle.com>,
        Paul Turner <pjt@...gle.com>
Subject: Re: [PATCH 5/6] perf tools: disable JVMTI if no ELF support available

Em Wed, Apr 12, 2017 at 07:33:22PM +0200, Jiri Olsa escreveu:
> On Wed, Apr 12, 2017 at 10:07:45AM -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.
> > 
> > v2: Comma nitpicking.
> 
> I think Arnaldo would change that.. but thanks! ;-)

But its so great that you guys offloaded that nitpicking part from me...
;-)

Thanks, applied, together with Kim's Tested-by.

- Arnaldo
 
> jirka
> 
> > 
> > Signed-off-by: David Carrillo-Cisneros <davidcc@...gle.com>
> > ---
> >  tools/perf/Makefile.config | 4 +++-
> >  1 file changed, 3 insertions(+), 1 deletion(-)
> > 
> > diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config
> > index cfd6015229a2..279c303b2c22 100644
> > --- a/tools/perf/Makefile.config
> > +++ b/tools/perf/Makefile.config
> > @@ -274,6 +274,7 @@ ifdef NO_LIBELF
> >    NO_LIBUNWIND := 1
> >    NO_LIBDW_DWARF_UNWIND := 1
> >    NO_LIBBPF := 1
> > +  NO_JVMTI := 1
> >  else
> >    ifeq ($(feature-libelf), 0)
> >      ifeq ($(feature-glibc), 1)
> > @@ -283,7 +284,7 @@ else
> >        LIBC_SUPPORT := 1
> >      endif
> >      ifeq ($(LIBC_SUPPORT),1)
> > -      msg := $(warning No libelf found, disables 'probe' tool and BPF support in 'perf record', please install libelf-dev, libelf-devel or elfutils-libelf-devel);
> > +      msg := $(warning No libelf found. Disables 'probe' tool, jvmti and BPF support in 'perf record'. Please install libelf-dev, libelf-devel or elfutils-libelf-devel);
> >  
> >        NO_LIBELF := 1
> >        NO_DWARF := 1
> > @@ -291,6 +292,7 @@ else
> >        NO_LIBUNWIND := 1
> >        NO_LIBDW_DWARF_UNWIND := 1
> >        NO_LIBBPF := 1
> > +      NO_JVMTI := 1
> >      else
> >        ifneq ($(filter s% -static%,$(LDFLAGS),),)
> >          msg := $(error No static glibc found, please install glibc-static);
> > -- 
> > 2.12.2.715.g7642488e1d-goog
> > 

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