Messages in this thread | | | Subject | Re: i386 -> x86_64 cross compile failure (binutils bug?) | From | Lee Revell <> | Date | Fri, 09 Dec 2005 20:31:19 -0500 |
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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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