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

[Burton, Ross]

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

Ross