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From: Thomas Monjalon <thomas.monjalon@6wind.com>
To: "Wiles, Roger Keith" <keith.wiles@windriver.com>
Cc: dev@dpdk.org
Subject: Re: [dpdk-dev] [PATCH v2] Clang compile error with RTE_LIBRTE_MEMPOOL_DEBUG enabled.
Date: Wed, 01 Oct 2014 14:58:05 +0200	[thread overview]
Message-ID: <1602501.e1dujvioa1@xps13> (raw)
In-Reply-To: <3EC8A7DC-C947-40DC-B8FD-60023A12B00A@windriver.com>

2014-09-28 05:30, Wiles, Roger Keith:
> When enabling RTE_LIBRTE_MEMPOOL_DEBUG and compiling with clang
> compiler an error occurs, because ifdefed code now includes GCC pragmas.
> 
> GCC 4.4 is when push_options and pop_options pragma show up.
> 
> Signed-off-by: Keith Wiles <keith.wiles@windriver.com>
[...]
> -#ifndef __INTEL_COMPILER
> +#if (__GNUC__ > 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 4))
>  #pragma GCC push_options
>  #pragma GCC diagnostic ignored "-Wcast-qual"
>  #endif

Does clang accept const casting with -Wcast-qual?

I'd prefer to use the same logic as in rte_mempool.c:
	#pragma GCC diagnostic ignored "-Wcast-qual"
	#pragma GCC diagnostic error "-Wcast-qual"
without using push/pop.
Or if push/pop is really needed, it is implemented in clang:
	http://clang.llvm.org/docs/UsersManual.html#controlling-diagnostics-via-pragmas

-- 
Thomas

  reply	other threads:[~2014-10-01 12:51 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-09-27  5:53 [dpdk-dev] [PATCH] " Wiles, Roger Keith
2014-09-28  1:08 ` Wiles, Roger Keith
2014-09-28  5:30 ` [dpdk-dev] [PATCH v2] " Wiles, Roger Keith
2014-10-01 12:58   ` Thomas Monjalon [this message]
2014-10-01 14:57     ` Wiles, Roger Keith
2014-10-01 17:06       ` Wiles, Roger Keith
2014-10-01 17:11       ` [dpdk-dev] [PATCH v3] " Wiles, Roger Keith
2014-10-02 22:22         ` Wiles, Roger Keith

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