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

[Andreas Färber]

Am 04.07.2013 11:17, schrieb Peter Maydell:
> 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 ?
> 
> Also, can you confirm that you haven't got an environment
> that sets ARFLAGS to something weird (including "") ?

I did confirm that my environment does not have ARFLAGS set; I believe
the issue is that ARFLAGS="$(ARFLAGS)" is being passed in the Makefile,
effectively setting it to "".

Andreas

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