[dpdk-dev] [PATCH v2 1/3] net/thunderx: disable pmd for older compilers

[Ferruh Yigit]

On 4/6/2017 3:09 PM, Thomas Monjalon wrote:
> 2017-04-06 15:05, Ferruh Yigit:
>> 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.
> 
> I see.
> 
> If it is disabled here, we won't see the warning in the PMD Makefile?

Oh, you are right, warnings in PMD Makefile become useless.

I can set another flag in compat headers and check it in pmd makefile,
will it be too much noise?