[PATCH] rcu: fix build failure with debug dp log level

[Stephen Hemminger]

On Mon, 29 Aug 2022 22:21:51 +0530
Anoob Joseph <anoobj at marvell.com> wrote:

> Build fails if RTE_LOG_DP_LEVEL is set to RTE_LOG_DEBUG. Fix the
> same by including the required header when RTE_LOG_DP_LEVEL is
> set to RTE_LOG_DEBUG.
> 
> ../lib/rcu/rte_rcu_qsbr.h:678:40: error: expected ‘)’ before ‘PRIu64’
>   678 |    "%s: status: least acked token = %" PRIu64,
>       |                                        ^~~~~~
> 
> Fixes: 30a1de105a5f ("lib: remove unneeded header includes")
> Cc: sean.morrissey at intel.com
> 
> Signed-off-by: Anoob Joseph <anoobj at marvell.com>
> ---
>  lib/rcu/rte_rcu_qsbr.h | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/lib/rcu/rte_rcu_qsbr.h b/lib/rcu/rte_rcu_qsbr.h
> index d81bf5e8db..b0f1720ca1 100644
> --- a/lib/rcu/rte_rcu_qsbr.h
> +++ b/lib/rcu/rte_rcu_qsbr.h
> @@ -37,6 +37,10 @@ extern "C" {
>  #include <rte_atomic.h>
>  #include <rte_ring.h>
> 
> +#if RTE_LOG_DP_LEVEL >= RTE_LOG_DEBUG
> +#include <inttypes.h>
> +#endif
> +
>  extern int rt

This is not the best way to fix this.
Just always include the header file.
Having it conditional can lead to more problems