How to disable CLANG & co build in buildworld?

[Doug Barton]

On 06/11/10 14:18, M. Warner Losh wrote:
> "This" is building the proper set of tools for the target.  It is easy
> to do, and only a couple lines of Makefile foo in Makefile.inc1
> instead of in bsd.own.mk.  It is a fairly natural consequence of the
> tbemd stuff I have been working on and have started merging.
>
> The consequences today are that you build some extra tools that are
> only needed to build clang when in fact you aren't really going to be
> building clang.  The "cost" is however long it takes to do this on the
> platform you are building on.  This can range from a minute or two to
> tens of minutes depending on the power of your build system.

Ok, obviously I'm dense because I didn't understand an answer to my 
question anywhere in there. :)  So let me try again. Why are we not 
optimizing for the common case, where the world is built on the system 
it's going to run on, which means that WITHOUT_CLANG can easily mean 
exactly that?


Doug

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