Hi Andreas.
On Fri, Nov 16, 2007 at 12:14:46PM +0100, Andreas Herrmann wrote:
> Hi,
>
> I have just some minor remarks wrt the commit message for
> daa93fab824f2b8c35bd11670c7fab2f32b2de5f - 'x86: enable "make
> ARCH=x86"'. (Based on my observations when testing the stuff on 64bit
> and 32bit hosts with Linus' tree v2.6.24-rc2-640-g8c08634.)
>
> For randconfig we have now the following behaviour. (The table shows
> whether the resulting configuration is for 32 or 64-bit.)
>
> # make randconfig [ARCH=...] [K64BIT=]
>
> option \ host arch | 32bit | 64bit
> =====================================================
> ./. | 32bit | 64bit
> ARCH=x86 | 32bit/64bit | 32bit/64bit
> ARCH=x86 K64BIT=n | 32bit | 32bit
> ARCH=x86 K64BIT=y | 64bit | 64bit
> ARCH=x86_64 | 64bit | 64bit
> ARCH=x86_64 K64BIT=n | 32bit | 32bit
> ARCH=x86_64 K64BIT=y | 64bit | 64bit
To make the table complete you need to consider
make ARCH=i386
Basically is goes like this:
With x86 the default is 32 bit but can be set to 64-bit with K64BIT=y
With x86_64 the default is 64-bit but K64BIT take precedence
With i386 the default is 32 bit but K64BIT takes precedence
All that said I am going to revert the K64BIT possibility.
Roman posted a patch earlier that allows us to based on ARCH setting
select between 32-bit or 64-bit based on ARCH= alone.
Sam
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