Re: [PATCH BlueZ v2 1/1] build: Check if explicit_bzero is missing

["Gix, Brian" <brian.gix@intel.com>]

On Mon, 2019-04-01 at 11:45 -0700, Brian Gix wrote:
> This check gets around the redefinition of explicit_bzero in ELL
> 
> In file included from ell/random.c:34:0:
> ell/missing.h:59:20: error: static declaration of ‘explicit_bzero’ follows non-static declaration
>  static inline void explicit_bzero(void *s, size_t n)
>                     ^~~~~~~~~~~~~~
> In file included from ./ell/util.h:26:0,
>                  from ell/private.h:26,
>                  from ell/random.c:33:
> /usr/include/string.h:435:13: note: previous declaration of ‘explicit_bzero’ was here
>  extern void explicit_bzero (void *__s, size_t __n) __THROW __nonnull ((1));
>              ^~~~~~~~~~~~~~
> ---
>  configure.ac | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/configure.ac b/configure.ac
> index ae64ddc0f..0afe1e6db 100644
> --- a/configure.ac
> +++ b/configure.ac
> @@ -46,6 +46,8 @@ MISC_FLAGS
>  AC_ARG_ENABLE(threads, AC_HELP_STRING([--enable-threads],
>  		[enable threading support]), [enable_threads=${enableval}])
>  
> +AC_CHECK_FUNCS(explicit_bzero)
> +
>  AC_CHECK_FUNC(signalfd, dummy=yes,
>  			AC_MSG_ERROR(signalfd support is required))
>  

Patch Applied