Re: CLOOG/ppl failure in ct-ng 1.9.0

[Bryan Hundven <bryanhundven at gmail dot com>]

On Fri, Jan 14, 2011 at 1:41 AM, Yann E. MORIN
<yann.morin.1998@anciens.enib.fr> wrote:
> Bryan, All,
>
> On Friday 14 January 2011 004718 Bryan Hundven wrote:
>> My understanding here was that someday the master cloog repo would get
>> PPL support.
>> As you mention, maybe we are not there yet.
>
> Yes, _eventually_. ;-)
>
>> Oh! I didn't notice that repository. So if we updated to 0.16.0 and
>> 0.16.1, we would want cloog-parma (?!?).
>
> Yes. But we do not want to bump for now, as:
> - gcc requires the 0.15 API
> - CLooG 0.16+ has a new API
>
> Yes, 0.16+ still retained the 0.15 API, but it is deprecated. So I believe
> there is a risk that things go amiss if we were to upgrade to 0.16...
>
>> In that case, we should clean up ct-ng's config stuff. Some places, we
>> want to just say CLOOG, and some places we want CLOOG_PPL and others
>> CLOOG_PARMA.
>>
>> For instance, CT_CLOOG_VERSION would stay the same and CT_CLOOG would
>> stay the same, but the version going into CT_CLOOG_VERSION might come
>> from either:
>> CT_CLOOG_PPL_V_0_15_9
>> or
>> CT_CLOOG_PARMA_V_0_16_1
>>
>> because, when the master cloog repository gets the PPL backend
>> support, we will have:
>>
>> CT_CLOOG_V_x_xx_x
>> (which is what it is now, and is misleading)
>
> There is a better solution I think, when we add the 0.16:
> - keep the CLOOG_V_x_y_z options
> - add CLOOG_IS_CLOOG_PPL and CLOOG_IS_CLOOG_PARMA
> - have the 0.15.z select CLOOG_IS_CLOOG_PPL
> - have the 0.16.z slect CLOOG_IS_CLOOG_PARMA

Ok. That does make more sense.

Thanks for talking that through with me ;)

> Regards,
> Yann E. MORIN.
>
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Have a good day,

-Bryan

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