Date: Thu, 9 Jul 2015 02:47:19 -0700 From: NGie Cooper <yaneurabeya@gmail.com> To: David Chisnall <theraven@freebsd.org> Cc: Dimitry Andric <dim@freebsd.org>, Adrian Chadd <adrian.chadd@gmail.com>, Pedro Giffuni <pfg@freebsd.org>, Luigi Rizzo <luigi@freebsd.org>, "src-committers@freebsd.org" <src-committers@freebsd.org>, "svn-src-all@freebsd.org" <svn-src-all@freebsd.org>, "svn-src-head@freebsd.org" <svn-src-head@freebsd.org> Subject: Re: svn commit: r285284 - head/lib/liblzma Message-ID: <CAGHfRMDy%2Bbh1w0csW0ufw3xZP9AA9kLUdKVRzoD%2Bu7%2BejnJyAA@mail.gmail.com> In-Reply-To: <01236D45-1D17-4899-9D13-D7E5A32B68E5@FreeBSD.org> References: <201507081836.t68IacJu069563@repo.freebsd.org> <559D9172.9040305@FreeBSD.org> <CAJ-Vmo=m0Y%2BE0oi5ec5RzyziqObOj=fKY1K-8HzqK8x7D_TcKg@mail.gmail.com> <F5CD87E5-92B5-4E87-8DAF-18F4510CD113@FreeBSD.org> <CAGHfRMA%2BpybAf=snW_NdjyQ0Amnw%2Bz2aGEp8_F-eVKy9eqGRzg@mail.gmail.com> <E1605BA4-DBE6-4F7B-BC5E-15E78671DF9B@FreeBSD.org> <CAGHfRMAX-twDC_-cGihbj6Q-vVCebrCKjw34Ub4g=iM_wFegWg@mail.gmail.com> <01236D45-1D17-4899-9D13-D7E5A32B68E5@FreeBSD.org>
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On Thu, Jul 9, 2015 at 2:23 AM, David Chisnall <theraven@freebsd.org> wrote: > On 9 Jul 2015, at 10:19, NGie Cooper <yaneurabeya@gmail.com> wrote: >> >> Yes, but this case will fail for gcc 4.3 ~ 4.4 through 5.x if you use >> my recommended method... > > I think that’s probably fine. We basically have four cases that we care about: > > - People who are using clang because it’s the system compiler [works] > - People who are using new clang from ports / svn because it’s new and shiny [works] > - People who are using gcc from base because it’s the system compiler [works] > - People who are using new gcc from ports / svn because it’s new and shiny [works] > > The only people it doesn’t work for are the ones building FreeBSD using an out-of-tree old GCC. There probably aren’t too many of those… Item 4. needs to be full understood when working with some features as it could result in undefined behavior.
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