Re: [PATCH 15/15] perf: replace _BSD_SOURCE macro by _DEFAULT_SOURCE

From: Aaro Koskinen
Date: Sun Sep 28 2014 - 18:16:08 EST


Hi,

On Mon, Sep 22, 2014 at 11:53:16PM +0200, Alexis Berlemont wrote:
> Starting from glibc-2.20, the macro _BSD_SOURCE is deprecated and
> should be replaced by _DEFAULT_SOURCE.

This patch fixes perf build breakage with glibc-2.20, so _DEFAULT_SOURCE
is needed.

But shouldn't you also keep _BSD_SOURCE still there for a while for
backwards compatibility? (Not sure if it has relevance for those
using older glibcs...).

Anyway to fix the perf + glibc-2.20 build failure:

Tested-by: Aaro Koskinen <aaro.koskinen@xxxxxx>

(BTW, your patch was missing Signed-off-by.)

A.

> ---
> tools/perf/util/util.h | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h
> index 6686436..f56b4e0 100644
> --- a/tools/perf/util/util.h
> +++ b/tools/perf/util/util.h
> @@ -38,7 +38,7 @@
> #define decimal_length(x) ((int)(sizeof(x) * 2.56 + 0.5) + 1)
>
> #define _ALL_SOURCE 1
> -#define _BSD_SOURCE 1
> +#define _DEFAULT_SOURCE 1
> #define HAS_BOOL
>
> #include <unistd.h>
> --
> 2.1.0
>
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