linux-kernel - Re: perf build failed on linux -next on i386 build

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Date:   Fri, 27 Sep 2019 02:05:32 +0530
From:   Naresh Kamboju <naresh.kamboju@...aro.org>
To:     Arnaldo Carvalho de Melo <arnaldo.melo@...il.com>
Cc:     Peter Zijlstra <peterz@...radead.org>, mingo@...hat.com,
        alexander.shishkin@...ux.intel.com, jolsa@...hat.com,
        namhyung@...nel.org, open list <linux-kernel@...r.kernel.org>,
        lkft-triage@...ts.linaro.org,
        Linux-Next Mailing List <linux-next@...r.kernel.org>
Subject: Re: perf build failed on linux -next on i386 build

On Thu, 26 Sep 2019 at 23:06, Arnaldo Carvalho de Melo
<arnaldo.melo@...il.com> wrote:
>
> Em Thu, Sep 26, 2019 at 10:59:41PM +0530, Naresh Kamboju escreveu:
> > perf build failed on linux -next on i386 build
> >
> > build error:
> > perf-in.o: In function `libunwind__x86_reg_id':
> > tools/perf/util/libunwind/../../arch/x86/util/unwind-libunwind.c:109:
> > undefined reference to `pr_err'
> > tools/perf/util/libunwind/../../arch/x86/util/unwind-libunwind.c:109:
> > undefined reference to `pr_err'
>
> Can you try with the following patch?

Thanks for the patch.
After applying this below patch build completes.


>
>
> diff --git a/tools/perf/arch/x86/util/unwind-libunwind.c b/tools/perf/arch/x86/util/unwind-libunwind.c
> index 05920e3edf7a..47357973b55b 100644
> --- a/tools/perf/arch/x86/util/unwind-libunwind.c
> +++ b/tools/perf/arch/x86/util/unwind-libunwind.c
> @@ -1,11 +1,11 @@
>  // SPDX-License-Identifier: GPL-2.0
>
>  #include <errno.h>
> +#include "../../util/debug.h"
>  #ifndef REMOTE_UNWIND_LIBUNWIND
>  #include <libunwind.h>
>  #include "perf_regs.h"
>  #include "../../util/unwind.h"
> -#include "../../util/debug.h"
>  #endif
>
>  #ifdef HAVE_ARCH_X86_64_SUPPORT

- Naresh