kmod-VirtualBox + gcc 4.8: 'asm' operand has impossible constraints

"Jóhann B. Guðmundsson" johannbg at gmail.com
Wed Jan 30 08:02:31 UTC 2013


On 01/29/2013 11:25 PM, Sandro Mani wrote:
>
> On 30.01.2013 00:10, "Jóhann B. Guðmundsson" wrote:
>> On 01/29/2013 10:53 PM, Sandro Mani wrote:
>>> Hi,
>>>
>>> Attempting to compile the VirtualBox kernel module with 
>>> gcc-4.8.0-0.6.fc19.x86_64 results in
>>> vboxnetadp/include/iprt/asm.h:4144:9: error: 'asm' operand has 
>>> impossible constraints
>>>
>>
>> Of topic for this list since we dont ship virtualbox try rpmfusion 
>> and or oracle...
>>
>> JBG
>
> Yeah well but we are one of the first ones to ship gcc 4.8, and since 
> this might as well be a gcc bug... But Jakub has already kindly 
> replied and I am putting together a test case for him.

Sounds more like upstream needs to adapt to those gcc syntax changes and 
or you did not compile with -O3 or with --disable-asm option for 
configure ( if available ) then for it being an actual gcc bug but still 
of topic for this list since we dont ship...

JBG



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