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

[Keir Fraser <keir@xxxxxxxxxxxxx>]

On 15/8/07 16:27, "John Levon" <john.levon@xxxxxxx> wrote:

> There is no such "32-bit" environment, we can always produce both.  What
> you're
> suggesting sounds like a cross-compile. This is absolutely not a cross
> compile;
> in particular we can and do want this header check to happen.
> 
> We set XEN_COMPILE_ARCH by hand to 64-bit since the Xen makefiles have the
> notion
> that uname has anything to do with 32 or 64 bitness (a Linux-ism; in fact an
> x86_64-Linux-ism, since I believe other Linux arches do it the traditional
> way).

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.

 -- Keir


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