Re: [Qemu-devel] [PATCH] Makefile: disable parallel build with dtc

[Michael S. Tsirkin]

On Thu, Jul 04, 2013 at 10:17:46AM +0100, Peter Maydell wrote:
> On 4 July 2013 09:06, Michael S. Tsirkin <address@hidden> wrote:
> > Sometimes I get this error when building with -j 4:
> > ar: two different operation options specified
> > make[1]: *** [libfdt/libfdt.a] Error 1
> > make: *** [subdir-dtc] Error 2
> >
> > dtc make does not seem to support parallel make.
> > Force non-parallel build to fix this.
> 
> So, this is the second time somebody's reported this, and
> I think it would be better to try to figure out what's
> going on. Can you report what the actual ar command is
> when run with V=1 ?

it stopped reproducing now :(

> Also, can you confirm that you haven't got an environment
> that sets ARFLAGS to something weird (including "") ?
> 
> thanks
> -- PMM

I can confirm that.