From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <danielx.t.mrzyglod@intel.com>
Received: from mga09.intel.com (mga09.intel.com [134.134.136.24])
 by dpdk.org (Postfix) with ESMTP id 975152BFA
 for <dev@dpdk.org>; Tue, 22 Mar 2016 10:25:54 +0100 (CET)
Received: from orsmga002.jf.intel.com ([10.7.209.21])
 by orsmga102.jf.intel.com with ESMTP; 22 Mar 2016 02:25:52 -0700
X-ExtLoop1: 1
X-IronPort-AV: E=Sophos;i="5.24,376,1455004800"; d="scan'208";a="939011812"
Received: from irsmsx102.ger.corp.intel.com ([163.33.3.155])
 by orsmga002.jf.intel.com with ESMTP; 22 Mar 2016 02:25:53 -0700
Received: from irsmsx107.ger.corp.intel.com ([169.254.10.137]) by
 IRSMSX102.ger.corp.intel.com ([169.254.2.19]) with mapi id 14.03.0248.002;
 Tue, 22 Mar 2016 09:25:51 +0000
From: "Mrzyglod, DanielX T" <danielx.t.mrzyglod@intel.com>
To: Thomas Monjalon <thomas.monjalon@6wind.com>
CC: "dev@dpdk.org" <dev@dpdk.org>
Thread-Topic: [dpdk-dev] [PATCH] mk: fix eal shared library dependencies -lrt
Thread-Index: AQHRhBI/qhsX0nl9Q0qWxtMy2dAqj59lKOmAgAACxyA=
Date: Tue, 22 Mar 2016 09:25:50 +0000
Message-ID: <7ADD74816B4C8A45B56203CBA65FE5A6377417BA@IRSMSX107.ger.corp.intel.com>
References: <1458634142-10084-1-git-send-email-danielx.t.mrzyglod@intel.com>
 <2532380.h4kKuHkruB@xps13>
In-Reply-To: <2532380.h4kKuHkruB@xps13>
Accept-Language: en-US
Content-Language: en-US
X-MS-Has-Attach: 
X-MS-TNEF-Correlator: 
x-originating-ip: [163.33.239.182]
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: quoted-printable
MIME-Version: 1.0
Subject: Re: [dpdk-dev] [PATCH] mk: fix eal shared library dependencies -lrt
X-BeenThere: dev@dpdk.org
X-Mailman-Version: 2.1.15
Precedence: list
List-Id: patches and discussions about DPDK <dev.dpdk.org>
List-Unsubscribe: <http://dpdk.org/ml/options/dev>,
 <mailto:dev-request@dpdk.org?subject=unsubscribe>
List-Archive: <http://dpdk.org/ml/archives/dev/>
List-Post: <mailto:dev@dpdk.org>
List-Help: <mailto:dev-request@dpdk.org?subject=help>
List-Subscribe: <http://dpdk.org/ml/listinfo/dev>,
 <mailto:dev-request@dpdk.org?subject=subscribe>
X-List-Received-Date: Tue, 22 Mar 2016 09:25:55 -0000

>-----Original Message-----
>From: Thomas Monjalon [mailto:thomas.monjalon@6wind.com]
>Sent: Tuesday, March 22, 2016 9:55 AM
>To: Mrzyglod, DanielX T <danielx.t.mrzyglod@intel.com>
>Cc: dev@dpdk.org
>Subject: Re: [dpdk-dev] [PATCH] mk: fix eal shared library dependencies -l=
rt
>
>2016-03-22 09:09, Daniel Mrzyglod:
>> For GLIBC < 2.17 it is necessery to add -lrt for linker
>> from glibc > 2.17 The `clock_*' suite of functions (declared in <time.h>=
) is now
>> available directly in the main C library. This affect Ubuntu 12.04 in i6=
86
>> and other older Linux Distros).
>[...]
>> --- a/app/test/Makefile
>> +++ b/app/test/Makefile
>> @@ -114,6 +114,7 @@ SRCS-$(CONFIG_RTE_LIBRTE_CMDLINE) +=3D
>test_cmdline_string.c
>>  SRCS-$(CONFIG_RTE_LIBRTE_CMDLINE) +=3D test_cmdline_lib.c
>>
>>  ifeq ($(CONFIG_RTE_LIBRTE_SCHED),y)
>> +LDFLAGS +=3D -lrt
>
>Why are you adding it only for librte_sched?
>Is it needed by librte_sched or by some functions testing librte_sched?

Every clock_gettime() needs -lrt for >=3DGLIBC2.17. For glibc2.17 and above=
  `clock_*' suite of functions (declared in <time.h>) is now available
directly in the main C library.
In test it's only in test_red.c and I see that I missed it in ptpclient exa=
mple probably. So I will send Patch v2