Re: [PATCH] Swap including order of util.h and string.h ofutil/string.c
From: Frederic Weisbecker
Date: Sun Apr 04 2010 - 10:35:24 EST
On Sun, Apr 04, 2010 at 05:13:18PM +0900, Hitoshi Mitake wrote:
> Current util/string.c includes headers in this order: string.h, util.h
> But this causes build error because __USE_GNU definition
> is needed for strndup() definition like this,
> % make -j
> touch .perf.dev.null
> CC util/string.o
> cc1: warnings being treated as errors
> util/string.c: In function âargv_splitâ:
> util/string.c:171: error: implicit declaration of function âstrndupâ
> util/string.c:171: error: incompatible implicit declaration of built-in function âstrndupâ
Thanks, I've queued it as I have the same problem and I'm
about to send a perf/core queue.
>
> So this patch swaps order of including headers.
> util.h defines _GNU_SOURCE, and /usr/include/features.h defines __USE_GNU as 1
> if _GNU_SOURCE is defined.
>
> Signed-off-by: Hitoshi Mitake <mitake@xxxxxxxxxxxxxxxxxxxxx>
> Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
> Cc: Paul Mackerras <paulus@xxxxxxxxx>
> Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx>
> Cc: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
> ---
> tools/perf/util/string.c | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/tools/perf/util/string.c b/tools/perf/util/string.c
> index d438924..0409fc7 100644
> --- a/tools/perf/util/string.c
> +++ b/tools/perf/util/string.c
> @@ -1,5 +1,5 @@
> -#include "string.h"
> #include "util.h"
> +#include "string.h"
>
> #define K 1024LL
> /*
> --
> 1.6.5.2
>
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