Date: Wed, 29 Aug 2012 00:39:09 +0100 From: Jamie Paul Griffin <jamie@kode5.net> To: Warren Block <wblock@wonkity.com> Cc: freebsd-stable@freebsd.org Subject: Re: Question About Tracking the Stable Branch Message-ID: <20120828233909.GE78518@kontrol.kode5.net> In-Reply-To: <alpine.BSF.2.00.1208281713180.81894@wonkity.com> References: <20120828203130.GB78051@kontrol.kode5.net> <CAN6yY1tKTu2mRaDo1WyNtvv7Sw5yFuTrru2QyGvD8jQg1oZ%2BPw@mail.gmail.com> <CAOjFWZ7HM2Z4FqPeoJ2c1qbX1DaygGGg5CLJh%2BytDs4wjBfVFg@mail.gmail.com> <20120828223413.GB78518@kontrol.kode5.net> <alpine.BSF.2.00.1208281713180.81894@wonkity.com>
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[ Warren Block wrote on Tue 28.Aug'12 at 17:28:15 -0600 ] > On Tue, 28 Aug 2012, Jamie Paul Griffin wrote: > > > I've always updated my -RELEASE systems using the traditional method > > so it seems it's no different other than perhaps updating more > > frequently and deciding whether or not both kernel code and userland > > code needs to be rebuilt together. > > > > It certainly seems a bad idea for me as someone with a lot to learn, > > to patch specific parts of the source tree and rebuild those parts as > > something is bound to go wrong at some point for me. > > In addition to what others have suggested, the devel/ccache port can > seriously reduce world and kernel compilation time by caching results. > Stuff that hasn't changed comes out of cache rather than from a > recompile. A buildworld every few days usually takes only about a > fourth of the time it would take without ccache. Unfortunately, so far > it only has this extreme an effect with gcc, not so much with clang. > > I usually use 4G of cache space; haven't tested to see how much is > actually needed. Setting CCACHE_COMPRESS=yes fits more files in the > cache. In my tests, there was no speed penalty. Great suggestion, I'll look into that. Although, I am planning a rebuild using clang in the next few days but from what you say it could still be a useful addition. Jamie
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