Re: [uml-devel] __attribute_used__ error on 2.6.23.9

[Todd Jackson <quantum.skyline@gmail.com>]

Jeff Dike wrote:
> On Wed, Dec 26, 2007 at 02:26:09PM -0800, Quantum Skyline wrote:
>> Hi,
>>
>> I've been trying to modify the UML makefiles in the 2.6.23.9 kernel to 
>> compile against a different C library, but I'm running into trouble 
>> getting parts of UML to compile with GCC 4.2.1.  In particular, files in 
>> os-Linux that use functions like __uml_setup are causing GCC to throw 
>> errors.
>>
>> For example, when I try to compile arch/um/os-Linux/aio.c in my 
>> environment, I get the following:
>>
>> gcc-4.2.1-rev -Wp,-MD,arch/um/os-Linux/.aio.o.d  -Wall -Wundef 
>> -Wstrict-prototypes -Wno-trigraphs -fno-strict-aliasing -fno-common 
>> -Werror-implicit-function-declaration -Os -D__arch_um__ 
>> -DSUBARCH=\"i386\" -Dvmap=kernel_vmap 
>> -Din6addr_loopback=kernel_in6addr_loopback 
>> -Din6addr_any=kernel_in6addr_any -march=i686 
>> I know that __uml_setup and friends are defined in 
>> arch/um/include/init.h and it is being included, but it seems like GCC 
>> is not using it.  If I comment out __uml_setup, other files which have 
>> functions starting with two underscores like __uml_initcall also cause 
>> compilation to fail.
>>
>> Can anyone give some hints to solve this problem?
> 
> Probably you need the patch below.
> 
> 				Jeff
> 


Hi Jeff,

That patch didn't work...I'm still seeing the same error with the patch 
applied.

Is there anything glibc-specific that UML depends on?

Cheers,

Todd

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