RE: [Xen-devel] some build configuration issues

["Ian Pratt" <m+Ian.Pratt@xxxxxxxxxxxx>]

> In xen/drivers/Makefile and xen/Makefile, we need to avoid 
> building ACPI. More generally, I think it would be a good 
> thing to get away from the "ifeq ($(XEN_TARGET_ARCH),foo)" 
> hackery that can be found all over the Makefiles. Linux would 

Post 3.0, a spring clean of all of the Makefiles would be a very good
thing. Right now isn't the time to do any major surgery. [Our record
with "minor" Makefile changes sucks - there have almost always been
unintended side effects with Makefile patches]

> (As a side benefit, the "obj-$(CONFIG_FOO) += ..." thing 
> could solve the current parallel-hostile Makefile code like this from
> xen/drivers/Makefile:
> default:
>         $(MAKE) -C char
>         $(MAKE) -C acpi

I worry less about the lack of opportunities for make parallelism as Xen
builds fast anyhow.

Ian

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