[uml-devel] Re: cannot compile 2.6.1 uml-kernel, NPTL?

[uml-devel] Re: cannot compile 2.6.1 uml-kernel, NPTL?

[Sven Köhler]

> gcc -Wl,-T,arch/um/uml.lds.s -static -Wl,--wrap,malloc -Wl,--wrap,free 
> -Wl,--wrap,calloc \
>         -o linux arch/um/main.o vmlinux -L/usr/lib -lutil

Since the only file that's included is /usr/lib/libutils.so and this 
file is part of glibc, i believe that it's my NPTL-patched glibc.

Can somebody with installed NPTL confirm the problem?

BTW: i'm using glibc 2.3.2



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[uml-devel] Re: cannot compile 2.6.1 uml-kernel, NPTL?

[M A Young]

>> gcc -Wl,-T,arch/um/uml.lds.s -static -Wl,--wrap,malloc -Wl,--wrap,free
>> -Wl,--wrap,calloc \
>>         -o linux arch/um/main.o vmlinux -L/usr/lib -lutil
>
>Since the only file that's included is /usr/lib/libutils.so and this
>file is part of glibc, i believe that it's my NPTL-patched glibc.
>
>Can somebody with installed NPTL confirm the problem?
>
>BTW: i'm using glibc 2.3.2

I think I saw something similar to your original error when playing with
linking against an nptl enabled libc.a, but I can't remember the details.
I suspect NPTL has some header differences.

It is however worth starting again from a clean kernel tree to make sure
it is not old .o files causing the problems.

	Michael Young


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[uml-devel] Re: cannot compile 2.6.1 uml-kernel, NPTL?

[Sven Köhler]

> It is however worth starting again from a clean kernel tree to make sure
> it is not old .o files causing the problems.

Shouldn't "make clean" or even "make mrproper" remove all old .o files?
I did both, it didn't help.

I now recompiled my glibc without NPTL and i can compile the UML-kernel 
again without errors.



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Re: [uml-devel] Re: cannot compile 2.6.1 uml-kernel, NPTL?

[Nuno Silva]

Hello!

Sven Köhler wrote:
>> gcc -Wl,-T,arch/um/uml.lds.s -static -Wl,--wrap,malloc -Wl,--wrap,free 
>> -Wl,--wrap,calloc \
>>         -o linux arch/um/main.o vmlinux -L/usr/lib -lutil
> 
> 
> Since the only file that's included is /usr/lib/libutils.so and this 
> file is part of glibc, i believe that it's my NPTL-patched glibc.
> 
> Can somebody with installed NPTL confirm the problem?
> 
> BTW: i'm using glibc 2.3.2
> 

I can't confirm your problem, but something close:
With latest glibc (2.3.3cvs) with NPTL as the only glibc in the system 
(host kernel == 2.6), linux-2.4.23-um1 compiled dinamically exits with 
segfault.

I didn't have time, this last week, to retest diferent cenarios but I'll 
try in the next few days.

You're trying with 2.6-um and a release glibc, so this may be unrelated :-)

Regards,
Nuno Silva



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