linux-kernel - Re: [PATCH] perf: Add missing sys/types.h include

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Date:   Wed, 4 Jan 2023 16:13:47 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Jesus Sanchez-Palencia <jesussanp@...gle.com>
Cc:     linux-perf-users@...r.kernel.org,
        Mark Rutland <mark.rutland@....com>,
        Namhyung Kim <namhyung@...nel.org>,
        Jiri Olsa <jolsa@...nel.org>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Arnaldo Carvalho de Melo <acme@...hat.com>,
        Ian Rogers <irogers@...gle.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] perf: Add missing sys/types.h include

Em Wed, Jan 04, 2023 at 10:23:13AM -0800, Jesus Sanchez-Palencia escreveu:
> Not all libc implementations define ssize_t as part of stdio.h like
> glibc does since the standard only requires this type to be defined by
> unistd.h and sys/types.h. For this reason the perf build is currently
> broken for toolchains based on uClibc, for instance.
> 
> Include sys/types.h explicitly to fix that. This is a follow up to
> commit 378ef0f5d9d7 ("perf build: Use libtraceevent from the system").

Do you mean this problem started with the 378ef0f5d9d7 commit? If so
then this is the fase for adding:

Fixes: 378ef0f5d9d7 ("perf build: Use libtraceevent from the system")

To this patch, ok?

- Arnaldo
 
> Signed-off-by: Jesus Sanchez-Palencia <jesussanp@...gle.com>
> ---
>  tools/perf/util/trace-event.h | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/tools/perf/util/trace-event.h b/tools/perf/util/trace-event.h
> index add6c5d9531c..9b3cd79cca12 100644
> --- a/tools/perf/util/trace-event.h
> +++ b/tools/perf/util/trace-event.h
> @@ -4,6 +4,7 @@
>  
>  #include <stdbool.h>
>  #include <stdio.h>
> +#include <sys/types.h>
>  #include <linux/types.h>
>  
>  struct evlist;
> -- 
> 2.39.0.314.g84b9a713c41-goog

-- 

- Arnaldo