Date: Fri, 11 Jun 2010 22:07:05 -0700 From: Doug Barton <dougb@FreeBSD.org> To: "M. Warner Losh" <imp@bsdimp.com> Cc: freebsd-current@FreeBSD.org, ed@80386.nl, andreast-list@fgznet.ch Subject: Re: How to disable CLANG & co build in buildworld? Message-ID: <4C1315F9.6000300@FreeBSD.org> In-Reply-To: <20100611.151802.59640143227153045.imp@bsdimp.com> References: <20100611.132052.271446115462387749.imp@bsdimp.com> <20100611203544.GA1797@hoeg.nl> <4C129ECE.8040709@FreeBSD.org> <20100611.151802.59640143227153045.imp@bsdimp.com>
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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 -- ... and that's just a little bit of history repeating. -- Propellerheads Improve the effectiveness of your Internet presence with a domain name makeover! http://SupersetSolutions.com/
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