[OE-core] [PATCH 8/8] linux-yocto-dev: update to v4.15+

Richard Purdie richard.purdie at linuxfoundation.org
Mon Dec 4 17:39:39 UTC 2017


On Mon, 2017-12-04 at 12:24 -0500, Bruce Ashfield wrote:
> On 2017-12-04 11:38 AM, Khem Raj wrote:
> > 
> > On Mon, Dec 4, 2017 at 7:39 AM, Bruce Ashfield
> > <bruce.ashfield at windriver.com> wrote:
> > > 
> > > Outside of the normal patch refreshes and boot issues, there are
> > > new
> > > build time tools within the kernel that required the following
> > > dependencies:
> > > 
> > > For ORC_UNWINDER support in x86-64:
> > > 
> > >   DEPENDS += "${@bb.utils.contains('ARCH', 'x86', 'elfutils-
> > > native elfutils', '', d)}"
> > do we need both target and host elfutils
> Yup. There were references to both. Some had to run for hostcc
> and others in the target arch.

Just for reference this is pretty bad for performance as it delays the
kernel compile until some substantial parts of userspace build.

Is ORC_UNWINDER useful and commonly used?

Cheers,

Richard



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