linux-kernel - Re: [PATCH v1] perf trace: Avoid compile error wrt redefining bool

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Message-ID: <CAM9d7cg7oETR=ecaqrag13abpOmBKOextAEw=kRA_gZqVMGGDg@mail.gmail.com>
Date:   Sat, 16 Sep 2023 22:25:55 -0700
From:   Namhyung Kim <namhyung@...nel.org>
To:     Ian Rogers <irogers@...gle.com>
Cc:     Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Jiri Olsa <jolsa@...nel.org>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Leo Yan <leo.yan@...aro.org>, linux-perf-users@...r.kernel.org,
        linux-kernel@...r.kernel.org, bpf@...r.kernel.org
Subject: Re: [PATCH v1] perf trace: Avoid compile error wrt redefining bool

On Wed, Sep 13, 2023 at 11:50 AM Ian Rogers <irogers@...gle.com> wrote:
>
> Make part of an existing TODO conditional to avoid the following build
> error:
> ```
> tools/perf/util/bpf_skel/augmented_raw_syscalls.bpf.c:26:14: error: cannot combine with previous 'char' declaration specifier
>    26 | typedef char bool;
>       |              ^
> include/stdbool.h:20:14: note: expanded from macro 'bool'
>    20 | #define bool _Bool
>       |              ^
> tools/perf/util/bpf_skel/augmented_raw_syscalls.bpf.c:26:1: error: typedef requires a name [-Werror,-Wmissing-declarations]
>    26 | typedef char bool;
>       | ^~~~~~~~~~~~~~~~~
> 2 errors generated.
> ```
>
> Signed-off-by: Ian Rogers <irogers@...gle.com>

Applied to perf-tools, thanks!

Namhyung