[dpdk-dev] [PATCH 1/8] eal: add macro to mark macros as deprecated
Burakov, Anatoly
anatoly.burakov at intel.com
Wed Sep 23 11:18:21 CEST 2020
On 22-Sep-20 3:31 PM, Stephen Hemminger wrote:
> Add a macro that causes GCC and CLANG to emit a warning when
> a deprecated macro is used.
>
> Signed-off-by: Stephen Hemminger <stephen at networkplumber.org>
> ---
> lib/librte_eal/include/rte_common.h | 11 +++++++++++
> 1 file changed, 11 insertions(+)
>
> diff --git a/lib/librte_eal/include/rte_common.h b/lib/librte_eal/include/rte_common.h
> index 8f487a563dfc..c6714b67b411 100644
> --- a/lib/librte_eal/include/rte_common.h
> +++ b/lib/librte_eal/include/rte_common.h
> @@ -86,6 +86,17 @@ typedef uint16_t unaligned_uint16_t;
> /******* Macro to mark functions and fields scheduled for removal *****/
> #define __rte_deprecated __attribute__((__deprecated__))
>
> +/**
> + * Macro to mark macros and defines scheduled for removal
> + */
> +#if defined(RTE_CC_GCC) || defined(RTE_CC_CLANG)
> +#define RTE_PRAGMA(x) _Pragma(#x)
> +#define RTE_PRAGMA_WARNING(w) RTE_PRAGMA(GCC warning #w)
> +#define RTE_DEPRECATED(x) RTE_PRAGMA_WARNING(#x is deprecated)
> +#else
> +#define RTE_DEPRECATED(x)
> +#endif
> +
> /**
> * Mark a function or variable to a weak reference.
> */
>
Don't we already have this in the master/slave lcore patchset?
--
Thanks,
Anatoly
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