Re: [PATCH] i2c-tools: fix feature test macros for glibc >= 2.20

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Hi Wolfram,

On Wed,  3 Aug 2016 10:43:56 +0200, Wolfram Sang wrote:
> Since glibc 2.20, the usage of _BSD_SOURCE is deprecated. Fix it like
> described here:
> 
> https://sourceware.org/glibc/wiki/Release/2.20#Deprecation_of__BSD_SOURCE_and__SVID_SOURCE_feature_macros
> 
> Signed-off-by: Wolfram Sang <wsa@xxxxxxxxxxxxx>
> ---
>  tools/i2cbusses.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/tools/i2cbusses.c b/tools/i2cbusses.c
> index b3093aa..28e3682 100644
> --- a/tools/i2cbusses.c
> +++ b/tools/i2cbusses.c
> @@ -23,7 +23,8 @@
>  */
>  
>  /* For strdup and snprintf */
> -#define _BSD_SOURCE 1
> +#define _BSD_SOURCE 1 /* for glibc < 2.19 */
> +#define _DEFAULT_SOURCE 1 /* for glibc >= 2.20 */

Actually >= 2.19 if I read the web page you mentioned (which has the
same "bug") correctly.

Other than that,

Reviewed-by: Jean Delvare <jdelvare@xxxxxxx>

Again the 3.1 branch would need the same fix.

>  
>  #include <sys/types.h>
>  #include <sys/stat.h>

Thanks,
-- 
Jean Delvare
SUSE L3 Support
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