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SubjectRe: crossbuild fails in modpost

On Sunday 2008-05-18 22:42, Adrian Bunk wrote:
>> On Thursday 2008-05-15 22:46, Adrian Bunk wrote:
>> >>
>> >> Well, the compiler is the same, but it's told to compile the kernel with
>> >> -m64. It runs on x86_64 kernel and i386 userspace. It's debian i386 gcc
>> >> package which understands x86_64 objects too. No SUBARCH option, it seems
>> >> to default to x86_64.
>> >>...
>> >
>> >Unless you manually fiddle with ARCH you can only build a kernel with
>> >the same 32<->64bit setting as your currently running kernel (no matter
>> >which userspace you use)...
>> echo -en '#!/bin/bash\nexec gcc -m32 "$@"\n' >/usr/local/bin/i386-linux-gcc
>> make CC=i386-linux-gcc
>> then the if($(CC),$(HOSTCC)) check should get true.
>No doubt that you can work around the problem.
>But that's not a solution.

Of course not. Ever since the arch unification, building for the
other bitness in bi- or multiarch systems has become harder.

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