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Cc: Thomas Monjalon <thomas.monjalon@6wind.com>, dev@dpdk.org, stable@dpdk.org
From: Ferruh Yigit <ferruh.yigit@intel.com>
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Date: Fri, 13 Jan 2017 16:12:05 +0000
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Subject: Re: [dpdk-stable] [dpdk-dev] [PATCH] app/testpmd: fix static build
	link ordering
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On 1/13/2017 4:01 PM, Jerin Jacob wrote:
> On Fri, Jan 13, 2017 at 03:57:59PM +0000, Ferruh Yigit wrote:
>> 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:
> 
> No, due to the following line
> mk/rte.app.mk:LDLIBS += $(_LDLIBS-y) $(CPU_LDLIBS) $(EXTRA_LDLIBS)
> 
> Again -lrte_pmd_ixgbe comes first.

You are right.

No objection to initial proposal.