On Fri, 2005-12-09 at 23:43 +0100, Xavier Bestel wrote:
> Le vendredi 09 décembre 2005 à 13:50 -0500, Lee Revell a écrit :
> > I'm trying to build an x66-64 kernel on a 32 bit system (Ubuntu 5.10).
> > I added -m64 to the CFLAGS as per the gcc docs.
>
> Under debian 32bits with 64bits kernel, I just add -m64 somewhere in the
> main Makefile to rebuild my modules. Didn't try with a whole kernel
> though.
The bug seems to be that the kernel build system does not grok biarch
toolchains - it really insists on a separate toolchain for i386 and
x86_64 even though the situation can be handled with selective use of
-m64. If I jsut add -m64 to everything then it fails when it gets to
the ia32 stuff.
Lee
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