linux-kernel - Re: [PATCH] tools/perf: Fix compiling with libelf on rv32

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Date: Wed, 17 Apr 2024 12:59:15 -0300
From: Arnaldo Carvalho de Melo <acme@...nel.org>
To: Ian Rogers <irogers@...gle.com>
Cc: cp0613@...ux.alibaba.com, palmer@...belt.com, paul.walmsley@...ive.com,
	aou@...s.berkeley.edu, linux-perf-users@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-riscv@...ts.infradead.org
Subject: Re: [PATCH] tools/perf: Fix compiling with libelf on rv32

On Tue, Apr 16, 2024 at 08:04:55AM -0700, Ian Rogers wrote:
> On Mon, Apr 15, 2024 at 2:57 AM <cp0613@...ux.alibaba.com> wrote:
> >
> > From: Chen Pei <cp0613@...ux.alibaba.com>
> >
> > When cross-compiling perf with libelf, the following error occurred:
> >
> >         In file included from tests/genelf.c:14:
> >         tests/../util/genelf.h:50:2: error: #error "unsupported architecture"
> >         50 | #error "unsupported architecture"
> >                 |  ^~~~~
> >         tests/../util/genelf.h:59:5: warning: "GEN_ELF_CLASS" is not defined, evaluates to 0 [-Wundef]
> >         59 | #if GEN_ELF_CLASS == ELFCLASS64
> >
> > Fix this by adding GEN-ELF-ARCH and GEN-ELF-CLASS definitions for rv32.
> >
> > Signed-off-by: Chen Pei <cp0613@...ux.alibaba.com>
> 
> Reviewed-by: Ian Rogers <irogers@...gle.com>

Thanks, applied to perf-tools-next,

- Arnaldo