Date: Tue, 27 May 2008 15:35:09 -0700 From: "Peter Wemm" <peter@wemm.org> To: "Peter Wemm" <peter@wemm.org>, "Poul-Henning Kamp" <phk@phk.freebsd.dk>, "John Birrell" <jb@what-creek.com>, "Robert Watson" <rwatson@freebsd.org>, "John Birrell" <jb@freebsd.org>, src-committers@freebsd.org, cvs-src@freebsd.org, cvs-all@freebsd.org Subject: Re: cvs commit: src Makefile Message-ID: <e7db6d980805271535h5533862bk44d7167c77106852@mail.gmail.com> In-Reply-To: <20080527110625.GA97301@zim.MIT.EDU> References: <20080525221112.GH5179@what-creek.com> <21823.1211785618@critter.freebsd.dk> <e7db6d980805262223y4ee76253u1ad9d29213fd580@mail.gmail.com> <20080527110625.GA97301@zim.MIT.EDU>
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On Tue, May 27, 2008 at 4:06 AM, David Schultz <das@freebsd.org> wrote: > On Mon, May 26, 2008, Peter Wemm wrote: >> On Mon, May 26, 2008 at 12:06 AM, Poul-Henning Kamp <phk@phk.freebsd.dk> wrote: >> > In message <20080525221112.GH5179@what-creek.com>, John Birrell writes: >> > >> >>I will back out the change, but I think you are making the 'universe' target >> >>out to be more than was intended. We used to talk about tiers. We seem to have >> >>lost sight of that. >> > >> > No, architecture tiers is about code how well the code runs, make >> > universe is simply a way to keep it compiling. >> >> sparc64 and sun4v share userland. The sparc64 in universe overs 99% >> of the compile test for sun4v already. >> >> It seems a shame to compile sparc64 userland twice for universe. And >> on that note, do we compile i386 twice for i386 and pc98? >> >> I might find myself more inclined to use 'universe' if it had less >> duplicated work. > > I've always thought it would be nice to have a stripped-down > version of make universe (make galaxy?) that compiled for a > representative sample of platforms, and with only one or two > kernels per platform instead of 3 or 4 or 5. For small changes, > this represents a better tradeoff in time spent compiling vs. the > cost of things breaking occasionally. For actively developed > platforms, breaking the build wastes lots of people's time; for > everything else, there's tinderbox. "make tier1" ? (Stuff which must not be broken) "make tier2" etc. FWIW, I really don't think it is worth burning an entire 99.9999% duplicate build cycle just to test a #ifdef SUN4V in one file in libc. -- Peter Wemm - peter@wemm.org; peter@FreeBSD.org; peter@yahoo-inc.com "All of this is for nothing if we don't go to the stars" - JMS/B5 "If Java had true garbage collection, most programs would delete themselves upon execution." -- Robert Sewell
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