From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ferruh Yigit <ferruh.yigit@intel.com>
Subject: Re: [PATCH v2 1/3] net/thunderx: disable pmd for older
	compilers
Date: Thu, 6 Apr 2017 15:05:48 +0100
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References: <20170406121428.16883-1-ferruh.yigit@intel.com>
 <20170406134637.4484-1-ferruh.yigit@intel.com> <2608561.Cu0AakAGmg@xps13>
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Cc: Jerin Jacob <jerin.jacob@caviumnetworks.com>,
 Bruce Richardson <bruce.richardson@intel.com>,
 Harry van Haaren <harry.van.haaren@intel.com>, dev@dpdk.org
To: Thomas Monjalon <thomas.monjalon@6wind.com>
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On 4/6/2017 2:59 PM, Thomas Monjalon wrote:
> 2017-04-06 14:46, Ferruh Yigit:
>> --- a/mk/toolchain/gcc/rte.toolchain-compat.mk
>> +++ b/mk/toolchain/gcc/rte.toolchain-compat.mk
>> @@ -89,4 +89,8 @@ else
>>  	ifeq ($(shell test $(GCC_VERSION) -lt 42 && echo 1), 1)
>>  		MACHINE_CFLAGS := $(filter-out -march% -mtune% -msse%,$(MACHINE_CFLAGS))
>>  	endif
>> +
>> +	ifeq ($(shell test $(GCC_VERSION) -lt 47 && echo 1), 1)
>> +		CONFIG_RTE_LIBRTE_THUNDERX_NICVF_PMD=n
>> +	endif
> 
> In previous version you were disabling the PMD inside the PMD Makefile.
> It was better.

Agreed, but I that is causing a build error in applications. I have
missed it in previous release because an .a file was already created.

So, need a way to disable linking pmd against application.