Re: [Xen-devel] [PATCH] Fix 64-bit foreign header check

[Keir Fraser <keir@xxxxxxxxxxxxx>]

On 15/8/07 17:08, "John Levon" <john.levon@xxxxxxx> wrote:

>> Hmmm... Well varying COMPILE_ARCH when the compile arch is not actually
>> changing seems dodgy to me.
>> 
>> In any case, binaries that run on the compile host should build with
>> HOSTCC/HOSTCFLAGS. That seems a pretty simple and obvious rule that I do not
>> want to introduce exceptions to.
> 
> Can you please explain what you want us to do.

When you modify COMPILE_ARCH to x86_64, you should also modify HOSTCFLAGS to
include -m64. We can set HOSTCC/HOSTCFLAGS with '?=' assignment for this
purpose, in Config.mk. Or, perhaps better, you can set both COMPILE_ARCH and
HOSTCC/HOSTCFLAGS as you like in config/SunOS.mk based on XEN_TARGET_ARCH,
if that's always the sane thing to do on Solaris.

 -- Keir


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