[oe] [meta-oe][PATCH] README: Document need for 32bit compiler

[Khem Raj]

On Mon, Oct 7, 2019 at 1:42 AM Adrian Bunk <bunk at stusta.de> wrote:
>
> On Sun, Oct 06, 2019 at 10:20:19PM -0700, Khem Raj wrote:
> > Signed-off-by: Khem Raj <raj.khem at gmail.com>
> > ---
> >  meta-oe/README | 7 +++++++
> >  1 file changed, 7 insertions(+)
> >
> > diff --git a/meta-oe/README b/meta-oe/README
> > index 0e9f8423bd..347816b0d1 100644
> > --- a/meta-oe/README
> > +++ b/meta-oe/README
> > @@ -7,6 +7,13 @@ URI: git://github.com/openembedded/openembedded-core.git
> >  branch: master
> >  revision: HEAD
> >
> > +luajit recipe requires host compiler to be able to generate 32bit code when target is 32bit
> > +e.g. arm, so ensure that $CC -m32 is functional on build host,
> >...
>
> This would imply "cannot be built on arm64 hosts for 32bit targets".
>

Mostly yes, but I have not tried an aarch64 host for this, maybe worth
trying to build
for qemux86 on aarch build machine.

> cu
> Adrian
>
> --
>
>        "Is there not promise of rain?" Ling Tan asked suddenly out
>         of the darkness. There had been need of rain for many days.
>        "Only a promise," Lao Er said.
>                                        Pearl S. Buck - Dragon Seed
>