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From: Richard Henderson <rth@twiddle.net>
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Date: Thu, 7 Jul 2016 09:29:56 -0700
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Subject: Re: [Qemu-devel] [PULL v2 1/4] build: Use $(CCAS) for compiling .S
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To: =?UTF-8?Q?Alex_Benn=c3=a9e?= <alex.bennee@linaro.org>
Cc: qemu-devel@nongnu.org, peter.maydell@linaro.org

On 07/07/2016 09:16 AM, Alex Bennée wrote:
>> +if echo | $ccas -dM -E - | grep __clang__ > /dev/null 2>&1 ; then
>> +  ccas="$ccas -fno-integrated-as"
>> +fi
>
> Hi Richard,
>
> This looks like it breaks the Travis clang:
>
>     https://travis-ci.org/qemu/qemu/builds/142825178
>
> We get the error:
>
>     AS    optionrom/multiboot.o
>     clang: error: unknown argument: '-fno-integrated-as'
>     make[1]: *** [multiboot.o] Error 1
>     make: *** [romsubdir-optionrom] Error 2
>     make: *** Waiting for unfinished jobs....
>
> Clang in Travis is:
>
>     clang version 3.4 (tags/RELEASE_34/final)

Oh ffs.  It appears -fno-integrated-as was introduced in 3.5.

Is there any combination of options that allows clang 3.4 to compile the option 
roms?  I suspect that the answer is no.  And if so... what then?



r~