[OE-core] RFC: Separate build dir for autotools

[Khem Raj]

On Tue, Feb 25, 2014 at 1:52 AM, Burton, Ross <ross.burton at intel.com> wrote:
> On 25 February 2014 05:46, Khem Raj <raj.khem at gmail.com> wrote:
>>> b) We introduce an "autotools2" class and have recipes inherit that.
>>> This version would default to separate builddirs. It does mean change to
>>> all the "good" recipes rather than the broken ones though and hence a
>>> fair bit of churn.
>>
>> probably a better migration path can happen over time. may be we can raname
>> existing autotools.bbclass to autotoolsold and have autotools.bbclass
>> default to S != B
>> that way the recipes which break can inherit autotoolsold and can have quick fix
>> then we can slowly remove inheriting autotoolsold and finally remove
>> the class itself.
>
> I really don't see the point of this churn.  If autotools defaults to
> B!=S then the recipe is going to need changing anyway, and adding
> B=${S} in the recipe is far lower impact than having a fork of
> autotools.bbclass

OK yes.

that has one change and would need to remain (and be
> maintained) for several release cycles.
>
> Ross