Re: [PATCH 0/5] x86/pci: patches for tip/x86/unify-pci

[Ingo Molnar]

* Sam Ravnborg <sam@xxxxxxxxxxxx> wrote:

> > > > 
> > > > So if I am not mistaken you can kill pci-y entirely:
> > 
> > Yes, but...
> > 
> > > > 
> > > > obj-y                           := fixup.o
> > 
> > ... this is with a plus:
> > 
> > obj-y                           += fixup.o
> 
> obj-y is empty when you enter the Makefile.
> So if you start out with ':=' or '+=' is no difference.

i guess it's safer to use +=, because it's ordering invariant.

We should use := only if we absolutely want to override the current 
rules.

	Ingo
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