Re: [tip:x86/build] x86, vdso: Error out if the vdso contains externalreferences

[H. Peter Anvin]

Stephen Rothwell wrote:
> Hi,
>
> On Fri, 18 Jun 2010 22:16:05 GMT "tip-bot for H. Peter Anvin" <hpa@xxxxxxxxxxxxxxx> wrote:
> > diff --git a/arch/x86/vdso/checkundef.sh b/arch/x86/vdso/checkundef.sh
> > new file mode 100755
> > index 0000000..490be1c
> > --- /dev/null
> > +++ b/arch/x86/vdso/checkundef.sh
> > @@ -0,0 +1,10 @@
> > +#!/bin/sh
> > +nm="$1"
> > +file="$2"
> > +"$nm" "$file" | grep '^ *U' > /dev/null 2>&1
>
> Quoting $nm here doesn't work if you are building with ccache like this:
>
> make CROSS_COMPILE="ccache ...."

Hmmm... in some ways I'm not sure if that's a feature or a bug, but I 
guess it's the only way currently provided.  Sigh.

	-hpa
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