* Lee Revell <rlrevell@email-addr-hidden-job.com> wrote:
> All I am trying to do is compile an x86_64 kernel on i386 machine. It
> dos not work:
> $ ARCH=x86_64 make oldconfig
> <no errors>
> $ ARCH=x86_64 make
[...]
> What gives? Do I need a different compiler to build for x86_64?
Yes.
Cross compiling the kernel works like this:
$ make ARCH=<arch> CROSS_COMPILE=<arch-prefix>
The gcc cross compiler for x86_64 is usually named x86_64-linux-gcc.
In the special case of x86 -> x86_64 a 64 bit enabled gcc is sufficient
though (if your binutils support 64 bit). In all other cases you need
a "real" cross compiler.
Kai
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Received on Fri Dec 9 00:15:07 2005
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