[oe] [OE-core] [PATCH] cmake: respect ${S} and ${B}

[Richard Purdie]

On Thu, 2013-12-05 at 17:18 -0500, Philip Balister wrote:
> On 12/04/2013 07:38 PM, Ross Burton wrote:
> > Instead of the class-specific variables OECMAKE_BUILDPATH and
> > OECMAKE_SOURCEPATH, just use ${B} and ${S}.
> > 
> > If these two paths are different, delete any existing ${B} before running a
> > build so that previous builds don't taint the current build.
> > 
> > Note that OECMAKE_SOURCEPATH and OECMAKE_BUILDPATH are not respected at all, so
> > recipes that manually set these in the past will need to be updated to either
> > use something along the lines of separatebuilddir.inc or set B themselves.
> 
> I'm carrying EXTRA_OEMAKE = "-C $(OECMAKE_BUILDPATH)" in recipes. It
> looks like this removes the need for this also? My cmake invocation is
> rusty :)

do_compile runs by default in ${B} so in most cases that shouldn't be
needed. The new equivalent would be "-C ${B}" but that shouldn't be
needed in most cases.

Cheers,

Richard