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From: "Qiu, Michael" <michael.qiu@intel.com>
To: Michael Qiu <qdy220091330@gmail.com>, "dev@dpdk.org" <dev@dpdk.org>
Subject: Re: [dpdk-dev] [PATCH] test-pmd: Fix "__BYTE_ORDER__" not defined error
Date: Wed, 3 Dec 2014 16:26:02 +0000
Message-ID: <533710CFB86FA344BFBF2D6802E60286C9C636@SHSMSX101.ccr.corp.intel.com> (raw)
In-Reply-To: <1417606044-3432-1-git-send-email-michael.qiu@intel.com>

Hi all,

What about this patch?

It may be some network or mail client issue of me, so not sure this
patch posted to mail list successful.

If failed, I will re-post it later.

Thanks,
Michael

On 2014/12/3 19:28, Michael Qiu wrote:
> app/test-pmd/csumonly.c:84:5: error: "__BYTE_ORDER__" is not defined
> app/test-pmd/csumonly.c:84:23: error: "__ORDER_LITTLE_ENDIAN__" is not defined
>
> This because old gcc version, like 4.4.7, does not has these buildin macros.
>
> $ gcc -v
> Using built-in specs.
> Target: x86_64-redhat-linux
> ...
> gcc version 4.4.7 20120313 (Red Hat 4.4.7-4) (GCC)
>
> $ echo | gcc -dM -E -| grep "LITTLE"
> (none)
>
> In this situation, we should back to use the macros defined in
> <endian.h>
>
> Signed-off-by: Michael Qiu <michael.qiu@intel.com>
> ---
>  app/test-pmd/csumonly.c | 8 +++++++-
>  1 file changed, 7 insertions(+), 1 deletion(-)
>
> diff --git a/app/test-pmd/csumonly.c b/app/test-pmd/csumonly.c
> index 6f43761..3fa81a2 100644
> --- a/app/test-pmd/csumonly.c
> +++ b/app/test-pmd/csumonly.c
> @@ -81,7 +81,13 @@
>  
>  /* we cannot use htons() from arpa/inet.h due to name conflicts, and we
>   * cannot use rte_cpu_to_be_16() on a constant in a switch/case */
> -#if  __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
> +#ifdef __BYTE_ORDER__
> +#define LITTLE_ENDIAN_CHECK (__BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__)
> +#else
> +#define LITTLE_ENDIAN_CHECK (__BYTE_ORDER == __LITTLE_ENDIAN)
> +#endif
> +
> +#if LITTLE_ENDIAN_CHECK
>  #define _htons(x) ((uint16_t)((((x) & 0x00ffU) << 8) | (((x) & 0xff00U) >> 8)))
>  #else
>  #define _htons(x) (x)


  parent reply	other threads:[~2014-12-03 19:44 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <1417606044-3432-1-git-send-email-michael.qiu@intel.com>
     [not found] ` <1417606099-3489-1-git-send-email-michael.qiu@intel.com>
2014-12-03 11:42   ` [dpdk-dev] [PATCH] test-pmd: Fix pointer aliasing error Bruce Richardson
2014-12-03 13:59     ` Qiu, Michael
2014-12-03 14:51       ` Bruce Richardson
2014-12-03 15:19         ` Qiu, Michael
2014-12-03 15:36           ` Bruce Richardson
2014-12-04  2:38             ` Qiu, Michael
2014-12-04  3:28               ` [dpdk-dev] [PATCH v2] " Michael Qiu
2014-12-04  4:16                 ` [dpdk-dev] [PATCH v3] " Michael Qiu
2014-12-05  5:34                   ` Qiu, Michael
2014-12-05  9:24                     ` Thomas Monjalon
2014-12-08  1:28                       ` Qiu, Michael
2014-12-08  1:30                   ` Qiu, Michael
2014-12-10  3:44                     ` Qiu, Michael
2014-12-11  0:54                     ` Thomas Monjalon
2014-12-11 17:51                       ` r k
2014-12-12  6:49                         ` Qiu, Michael
2014-12-04 12:54                 ` [dpdk-dev] [PATCH v2] " Ananyev, Konstantin
2014-12-03 15:24     ` [dpdk-dev] [PATCH] " Olivier MATZ
2014-12-03 16:03       ` Dayu Qiu
2014-12-03 15:57     ` Dayu Qiu
2014-12-03 16:26 ` Qiu, Michael [this message]
2014-12-03 19:59   ` [dpdk-dev] [PATCH] test-pmd: Fix "__BYTE_ORDER__" not defined error Thomas Monjalon
2014-12-03 20:47     ` [dpdk-dev] [PATCH 0/2] fix endianness in EAL Thomas Monjalon
2014-12-03 20:47       ` [dpdk-dev] [PATCH 1/2] eal: detect endianness Thomas Monjalon
2014-12-04  2:28         ` Qiu, Michael
2014-12-04  9:00           ` Thomas Monjalon
2014-12-04 10:28             ` Qiu, Michael
2014-12-04 12:19               ` Thomas Monjalon
2014-12-04 12:50                 ` Qiu, Michael
2014-12-03 20:47       ` [dpdk-dev] [PATCH 2/2] app/testpmd: fix endianness detection Thomas Monjalon
2014-12-04  9:28       ` [dpdk-dev] [PATCH 0/2] fix endianness in EAL Chao Zhu
2014-12-05 16:01         ` Thomas Monjalon

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