From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <ferruh.yigit@intel.com>
Received: from mga05.intel.com (mga05.intel.com [192.55.52.43])
 by dpdk.org (Postfix) with ESMTP id 5A9C52C6B;
 Fri, 13 Jan 2017 16:58:02 +0100 (CET)
Received: from fmsmga006.fm.intel.com ([10.253.24.20])
 by fmsmga105.fm.intel.com with ESMTP; 13 Jan 2017 07:58:01 -0800
X-ExtLoop1: 1
X-IronPort-AV: E=Sophos;i="5.33,222,1477983600"; d="scan'208";a="53510397"
Received: from fyigit-mobl1.ger.corp.intel.com (HELO [10.237.220.38])
 ([10.237.220.38])
 by fmsmga006.fm.intel.com with ESMTP; 13 Jan 2017 07:58:00 -0800
To: Thomas Monjalon <thomas.monjalon@6wind.com>,
 Jerin Jacob <jerin.jacob@caviumnetworks.com>
References: <1484207214-13638-1-git-send-email-jerin.jacob@caviumnetworks.com>
 <6167bd74-c515-fc12-744d-9168a633c646@intel.com>
 <20170113032155.GA31838@localhost.localdomain> <2563842.f8ghPspXGG@xps13>
Cc: dev@dpdk.org, stable@dpdk.org
From: Ferruh Yigit <ferruh.yigit@intel.com>
Message-ID: <55b009ac-8186-12fe-43b2-b937dc32b8eb@intel.com>
Date: Fri, 13 Jan 2017 15:57:59 +0000
User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:45.0) Gecko/20100101
 Thunderbird/45.6.0
MIME-Version: 1.0
In-Reply-To: <2563842.f8ghPspXGG@xps13>
Content-Type: text/plain; charset=windows-1252
Content-Transfer-Encoding: 7bit
Subject: Re: [dpdk-dev] [PATCH] app/testpmd: fix static build link ordering
X-BeenThere: dev@dpdk.org
X-Mailman-Version: 2.1.15
Precedence: list
List-Id: DPDK patches and discussions <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: Fri, 13 Jan 2017 15:58:03 -0000

On 1/13/2017 3:53 PM, Thomas Monjalon wrote:
> 2017-01-13 08:51, Jerin Jacob:
>> On Thu, Jan 12, 2017 at 03:27:30PM +0000, Ferruh Yigit wrote:
>>> On 1/12/2017 1:58 PM, Jerin Jacob wrote:
>>>> On Thu, Jan 12, 2017 at 10:26:08AM +0100, Thomas Monjalon wrote:
>>>>> 2017-01-12 13:16, Jerin Jacob:
>>>>>> +ifeq ($(CONFIG_RTE_BUILD_SHARED_LIB),y)
>>>>>>  _LDLIBS-$(CONFIG_RTE_LIBRTE_IXGBE_PMD) += -lrte_pmd_ixgbe
>>>>>> +endif
>>>>>
>>>>> _LDLIBS is an internal variable of rte.app.mk.
>>>>> Please could you check that there is no issue when using LDLIBS instead
>>>>> of _LDLIBS?
>>>>
>> LDLIBS is not helping the situation as LDLIBS comes before the _LDLIBS-y
>> mk/rte.app.mk:LDLIBS += $(_LDLIBS-y) $(CPU_LDLIBS) $(EXTRA_LDLIBS)
>>
>> But moving to EXTRA_LDLIBS looks OK.But it has to be under CONFIG_RTE_LIBRTE_IXGBE_PMD
>>
>> Thomas, Ferruh
>> Let me know if you have any objection on below mentioned diff
>>
>> -ifeq ($(CONFIG_RTE_BUILD_SHARED_LIB),y)
>> -_LDLIBS-$(CONFIG_RTE_LIBRTE_IXGBE_PMD) += -lrte_pmd_ixgbe
>> +ifeq ($(CONFIG_RTE_LIBRTE_IXGBE_PMD),y)
>> +EXTRA_LDLIBS += -lrte_pmd_ixgbe
>>  endif
> 
> You need to keep the shared lib check.
> Anyway, EXTRA_LDLIBS should be reserved to users and not used in a Makefile.
> I prefer your initial patch using _LDLIBS.
> 
> Any objection to merge initial proposal?
> 

LDLIBS should be OK, as long as wrapped with SHARED check. Is following
not working:

-_LDLIBS-$(CONFIG_RTE_LIBRTE_IXGBE_PMD) += -lrte_pmd_ixgbe
+ifeq ($(CONFIG_RTE_BUILD_SHARED_LIB),y)
+ifeq ($(CONFIG_RTE_LIBRTE_IXGBE_PMD),y)
+LDLIBS += -lrte_pmd_ixgbe
+endif
+endif