Re: [PATCH 1/2] selftests/mlock2: Add missing #define _GNU_SOURCE
From: Eric B Munson
Date: Mon Nov 09 2015 - 11:00:07 EST
On Mon, 09 Nov 2015, Geert Uytterhoeven wrote:
> On glibc 2.3.6:
>
> mlock2-tests.c: In function 'seek_to_smaps_entry':
> mlock2-tests.c:158: warning: implicit declaration of function 'getline'
>
> According to the manpage of getline(), it needs _GNU_SOURCE before glibc
> 2.10.
>
> Signed-off-by: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
Acked-by: Eric B Munson <emunson@xxxxxxxxxx>
> ---
> tools/testing/selftests/vm/mlock2-tests.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/tools/testing/selftests/vm/mlock2-tests.c b/tools/testing/selftests/vm/mlock2-tests.c
> index 4431994aade2ef6f..cb247219f1f72889 100644
> --- a/tools/testing/selftests/vm/mlock2-tests.c
> +++ b/tools/testing/selftests/vm/mlock2-tests.c
> @@ -1,3 +1,4 @@
> +#define _GNU_SOURCE
> #include <sys/mman.h>
> #include <stdint.h>
> #include <stdio.h>
> --
> 1.9.1
>
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