From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Montorsi, Francesco" <fmontorsi@empirix.com>
Subject: warnings when including DPDK headers from a C++17 source
	file
Date: Fri, 13 Jul 2018 13:51:21 +0000
Message-ID: <1531489881821.76380@empirix.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable
To: "dev@dpdk.org" <dev@dpdk.org>
Return-path: <dev-bounces@dpdk.org>
Received: from bilemail2.empirix.com (bilemail2.empirix.com [208.67.76.246])
 by dpdk.org (Postfix) with ESMTP id 9637F25A1
 for <dev@dpdk.org>; Fri, 13 Jul 2018 15:51:23 +0200 (CEST)
Content-Language: en-US
List-Id: DPDK patches and discussions <dev.dpdk.org>
List-Unsubscribe: <https://mails.dpdk.org/options/dev>,
 <mailto:dev-request@dpdk.org?subject=unsubscribe>
List-Archive: <http://mails.dpdk.org/archives/dev/>
List-Post: <mailto:dev@dpdk.org>
List-Help: <mailto:dev-request@dpdk.org?subject=help>
List-Subscribe: <https://mails.dpdk.org/listinfo/dev>,
 <mailto:dev-request@dpdk.org?subject=subscribe>
Errors-To: dev-bounces@dpdk.org
Sender: "dev" <dev-bounces@dpdk.org>

Hi all,


I just noticed that, because of the removal of the "register" keyword in C+=
+17, when I compile my DPDK-enabled code with -std=3Dc++17 I get the follow=
ing:



In file included from ../../../Third-Party/cpp-libs/dpdk/include/rte_ether.=
h:53:0,
                 from ../../../Third-Party/cpp-libs/dpdk/include/rte_ethdev=
.h:186,
                 from HwEmulCaptureDPDK.cpp:43:
../../../Third-Party/cpp-libs/dpdk/include/rte_byteorder.h: In function 'ui=
nt16_t rte_arch_bswap16(uint16_t)':
../../../Third-Party/cpp-libs/dpdk/include/rte_byteorder.h:57:20: warning: =
ISO C++1z does not allow 'register' storage class specifier [-Wregister]
  register uint16_t x =3D _x;
                    ^
../../../Third-Party/cpp-libs/dpdk/include/rte_byteorder.h: In function 'ui=
nt32_t rte_arch_bswap32(uint32_t)':
../../../Third-Party/cpp-libs/dpdk/include/rte_byteorder.h:72:20: warning: =
ISO C++1z does not allow 'register' storage class specifier [-Wregister]
  register uint32_t x =3D _x;
                    ^
In file included from ../../../Third-Party/cpp-libs/dpdk/include/rte_byteor=
der.h:121:0,
                 from ../../../Third-Party/cpp-libs/dpdk/include/rte_ether.=
h:53,
                 from ../../../Third-Party/cpp-libs/dpdk/include/rte_ethdev=
.h:186,
                 from HwEmulCaptureDPDK.cpp:43:
../../../Third-Party/cpp-libs/dpdk/include/rte_byteorder_64.h: In function =
'uint64_t rte_arch_bswap64(uint64_t)':
../../../Third-Party/cpp-libs/dpdk/include/rte_byteorder_64.h:52:20: warnin=
g: ISO C++1z does not allow 'register' storage class specifier [-Wregister]
  register uint64_t x =3D _x;
                    ^


?Just thought to let you know... that's a small issue for me since I'm usin=
g -Werror


Thanks,
Francesco