Re: [tip:perf/core] perf probe: Add argv_split() fromlib/argv_split.c

[Frederic Weisbecker]

On Wed, Dec 02, 2009 at 01:44:56PM +0800, Wang Liming wrote:
> When I compiled "perf", I encountered following error:
>
>     CC util/string.o
> cc1: warnings being treated as errors
> util/string.c: In function 'argv_split':
> util/string.c:216: warning: implicit declaration of function 'strndup'
> util/string.c:216: warning: incompatible implicit declaration of built-in 
> function 'strndup'
> make: *** [util/string.o] Error 1
>
> Do we need to define _GNU_SOURCE in the head? Or maybe I used rather old 
> glibc version.
>
> diff --git a/tools/perf/util/string.c b/tools/perf/util/string.c
> index 0977cf4..ea3eb39 100644
> --- a/tools/perf/util/string.c
> +++ b/tools/perf/util/string.c
> @@ -1,5 +1,8 @@
> +#define _GNU_SOURCE
>  #include <string.h>
>  #include <stdlib.h>
> +
> +#undef _GNU_SOURCE
>  #include "string.h"
>  #include "util.h"



Right, strndup is a GNU extension.
Could you please resend this patch with your signed-off-by
and a proper changelog?

Thanks!

Acked-by: Frederic Weisbecker <fweisbec@xxxxxxxxx>

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