From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <TYOS@jp.ibm.com>
Received: from mx0a-001b2d01.pphosted.com (mx0a-001b2d01.pphosted.com
 [148.163.156.1]) by dpdk.org (Postfix) with ESMTP id 38A5E2BA3
 for <dev@dpdk.org>; Thu, 30 Aug 2018 12:52:39 +0200 (CEST)
Received: from pps.filterd (m0098410.ppops.net [127.0.0.1])
 by mx0a-001b2d01.pphosted.com (8.16.0.22/8.16.0.22) with SMTP id
 w7UAnK3K043969 for <dev@dpdk.org>; Thu, 30 Aug 2018 06:52:38 -0400
Received: from smtp.notes.na.collabserv.com (smtp.notes.na.collabserv.com
 [158.85.210.108])
 by mx0a-001b2d01.pphosted.com with ESMTP id 2m6e83tb9w-1
 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT)
 for <dev@dpdk.org>; Thu, 30 Aug 2018 06:52:38 -0400
Received: from localhost
 by smtp.notes.na.collabserv.com with smtp.notes.na.collabserv.com ESMTP
 for <dev@dpdk.org> from <TYOS@jp.ibm.com>;
 Thu, 30 Aug 2018 10:52:37 -0000
Received: from us1b3-smtp06.a3dr.sjc01.isc4sb.com (10.122.203.184)
 by smtp.notes.na.collabserv.com (10.122.47.46) with
 smtp.notes.na.collabserv.com ESMTP; Thu, 30 Aug 2018 10:52:31 -0000
Received: from us1b3-mail157.a3dr.sjc03.isc4sb.com ([10.160.174.125])
 by us1b3-smtp06.a3dr.sjc01.isc4sb.com
 with ESMTP id 2018083010523058-350725 ;
 Thu, 30 Aug 2018 10:52:30 +0000 
In-Reply-To: <20180830100000.23984-1-christian.ehrhardt@canonical.com>
From: "Takeshi T Yoshimura" <TYOS@jp.ibm.com>
To: Christian Ehrhardt <christian.ehrhardt@canonical.com>
Cc: adrien.mazarguil@6wind.com, dev <dev@dpdk.org>, Gowrishankar Muthukrishnan
 <gowrishankar.m@linux.vnet.ibm.com>, Chao Zhu <chaozhu@linux.vnet.ibm.com>,
 Luca Boccassi <bluca@debian.org>, Thomas Monjalon <thomasm@mellanox.com>
Date: Thu, 30 Aug 2018 10:52:30 +0000
Sensitivity: 
Importance: Normal
X-Priority: 3 (Normal)
References: <20180830100000.23984-1-christian.ehrhardt@canonical.com>,
 <CAATJJ0+p6vpYOjhch0M6e5eg0Mjh6Hun61KNGf+ScQ4veNCTdg@mail.gmail.com>
X-Mailer: IBM iNotes ($HaikuForm 1011.1) | IBM Domino Build
 SCN1812108_20180501T0841 May 01, 2018 at 08:41
X-KeepSent: 6F595576:B86A373C-002582F9:003A9ACA;
 type=4; name=$KeepSent
X-LLNOutbound: False
X-Disclaimed: 20795
X-TNEFEvaluated: 1
X-LLNXfer: False
x-cbid: 18083010-7845-0000-0000-000004930AD8
X-IBM-SpamModules-Scores: BY=0.020101; FL=0; FP=0; FZ=0; HX=0; KW=0; PH=0;
 SC=0.390428; ST=0; TS=0; UL=0; ISC=; MB=0.239782
X-IBM-SpamModules-Versions: BY=3.00009638; HX=3.00000242; KW=3.00000007;
 PH=3.00000004; SC=3.00000266; SDB=6.01080988; UDB=6.00557644; IPR=6.00860972; 
 BA=6.00006087; NDR=6.00000001; ZLA=6.00000005; ZF=6.00000009; ZB=6.00000000;
 ZP=6.00000000; ZH=6.00000000; ZU=6.00000002; MB=3.00023012; XFM=3.00000015;
 UTC=2018-08-30 10:52:35
X-IBM-AV-DETECTION: SAVI=unsuspicious REMOTE=unsuspicious XFE=unused
X-IBM-AV-VERSION: SAVI=2018-08-30 03:20:43 - 6.00008900
x-cbparentid: 18083010-7846-0000-0000-000011080A88
Message-Id: <OF6F595576.B86A373C-ON002582F9.003A9ACA-002582F9.003BBD25@notes.na.collabserv.com>
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: Quoted-printable
MIME-Version: 1.0
X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, ,
 definitions=2018-08-30_04:, , signatures=0
X-Proofpoint-Spam-Reason: safe
Subject: Re: [dpdk-dev] [PATCH] ppc64: fix compilation of when AltiVec is
	enabled
X-BeenThere: dev@dpdk.org
X-Mailman-Version: 2.1.15
Precedence: list
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>
X-List-Received-Date: Thu, 30 Aug 2018 10:52:39 -0000

>=E5=AE=9B=E5=85=88: adrien.mazarguil@6wind.com, dev <dev@dpdk.org>, Gowris=
hankar
>Muthukrishnan <gowrishankar.m@linux.vnet.ibm.com>, Chao Zhu
><chaozhu@linux.vnet.ibm.com>
>=E9=80=81=E4=BF=A1=E5=85=83: Christian Ehrhardt=20
>=E9=80=81=E4=BF=A1=E8=80=85: "dev"=20
>=E6=97=A5=E4=BB=98: 2018/08/30 07:00PM
>Cc: Luca Boccassi <bluca@debian.org>, Thomas Monjalon
><thomasm@mellanox.com>, Christian Ehrhardt
><christian.ehrhardt@canonical.com>
>=E4=BB=B6=E5=90=8D: [dpdk-dev] [PATCH] ppc64: fix compilation of when Alti=
Vec is
>enabled
>
>The definition of almost any newer standard like --stc=3Dc11 will drop
>__APPLCE_ALTIVEC__ which otherwise would be defined.
>If that is the case then altivec.h will redefine bool to a type
>conflicting with those defined by stdbool.h.
>
>This breaks compilation of 18.08 on ppc64 like:
>  mlx5_nl_flow.c:407:17: error: incompatible types when assigning to
>type
>  =E2=80=98__vector __bool int=E2=80=99 {aka =E2=80=98__vector(4) __bool i=
nt=E2=80=99} from type
>=E2=80=98int=E2=80=99
>  in_port_id_set =3D false;
>
>Other alternatives were pursued on [1] but they always ended up being
>more
>complex than what would be appropriate for the issue we face.
>
>[1]:
>INVALID URI REMOVED
>chives_dev_2018-2DAugust_109926.html&d=3DDwIDaQ&c=3Djf_iaSHvJObTbx-siA1ZO
>g&r=3DEZR6Jx10q0q3dTopeH3WIQ&m=3DbbU1KVc1ZvNW9Rz7B0MLHfS0f0oZv35d2mpRpHO0
>ByY&s=3DRvMIFfk-cAAGTrYM76-iSSqIYV_X2EptYZzYIweIHRk&e=3D
>
>Change-Id: I1ed56da954e4951b9d120ca2ac0c0c218b4a0140
>Signed-off-by: Christian Ehrhardt <christian.ehrhardt@canonical.com>
>---
> .../common/include/arch/ppc_64/rte_memcpy.h           | 11
>+++++++++++
> 1 file changed, 11 insertions(+)
>
>diff --git a/lib/librte_eal/common/include/arch/ppc_64/rte_memcpy.h
>b/lib/librte_eal/common/include/arch/ppc_64/rte_memcpy.h
>index 75f74897b..0b3b89b56 100644
>--- a/lib/librte_eal/common/include/arch/ppc_64/rte_memcpy.h
>+++ b/lib/librte_eal/common/include/arch/ppc_64/rte_memcpy.h
>@@ -37,6 +37,17 @@
> #include <string.h>
> /*To include altivec.h, GCC version must  >=3D 4.8 */
> #include <altivec.h>
>+/*
>+ * Compilation workaround for PPC64 targets when AltiVec is fully
>+ * enabled e.g. with std=3Dc11. Otherwise there would be a type
>conflict
>+ * of "bool" between stdbool and altivec.
>+ */
>+#if defined(__PPC64__) && !defined(__APPLE_ALTIVEC__)
>+ #undef bool
>+ /* redefine as in stdbool.h */
>+ #define bool _Bool
>+#endif
>+
>=20
> #ifdef __cplusplus
> extern "C" {
>--=20
>2.17.1
>
>
>

Hi,
I could reproduce the issue you reported in 18.08 with my ppc64le box with =
RedHat 7.5 and GCC4.8.
The patch resolved the issue in my environment. Thanks!

I am a bit newbie in dpdk-dev, but I will try contacting Chao and other IBM=
 guys... Sorry for our slow reply.

Regards,
Takeshi