dalecki@evision-ventures.com (Martin Dalecki) wrote on 06.09.00 in <39B58B34.100A206A@evision-ventures.com>:
> Alexander Viro wrote:
> >
> > On Wed, 6 Sep 2000, Martin Dalecki wrote:
> >
> > > Easy - the same way you do for cross compilation. Basically just:
> > >
> > > export CC=g++ --some-magic-long-option-i-dont-remember; make
> >
> > ... and you still have only a subset of the tree, simply because it is fed
> > through cpp before it reaches the parser. And cpp cuts away many pieces.
> > Different config options and you've got a different subset. Good luck
> > providing the coverage.
>
> That's not quite the problem - with the exception of the boundary cases
> of compleatly broken CONFIG_BLAH combinations... You have the fine
> .confg file there you know... Count them n and take the n! for all the
> possible config choices. Then you will see that THERE CAN'T be any
> better
> automatic approach then just what I have described above (ie. going
> directly into the compiler) and doing the CONFIG_ handling by hand.
> (I mean scripting for the most appriopriate choices...)
Rather, then you'll see that that approach is completely unviable because
the n! is a fscking unbelievable labre number.
MfG Kai
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