Date: Wed, 06 Mar 2019 10:09:12 +0100 From: Jan Beich <jbeich@FreeBSD.org> To: Robert Huff <roberthuff@rcn.com> Cc: Charlie Li <ml+freebsd@vishwin.info>, freebsd-ports@freebsd.org Subject: Re: [HEADS UP] Clang 8.0.0 upgrade on 13.0-CURRENT Message-ID: <d0n4-9xon-wny@FreeBSD.org> In-Reply-To: <23678.50511.741276.774471@jerusalem.litteratus.org> (Robert Huff's message of "Tue, 5 Mar 2019 13:51:59 -0500") References: <y35u-xm2v-wny@FreeBSD.org> <23677.47024.212159.5967@jerusalem.litteratus.org> <pnr6-chbd-wny@FreeBSD.org> <23677.63535.186279.730742@jerusalem.litteratus.org> <40777eb4-532b-35ce-6773-635655a58e0d@vishwin.info> <23678.50511.741276.774471@jerusalem.litteratus.org>
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Robert Huff <roberthuff@rcn.com> writes: > Charlie Li <ml+freebsd@vishwin.info> writes: > >> The LLVM ports are still needed for those consumers that need their >> components, such as llvm-config and the like. Please refer to the aptly >> named wiki page again: >> https://wiki.freebsd.org/WhyDoIHaveToBuildLLVMWhenIAlreadyHaveClangInstalled > > This was the thing I thinking about. > >> Think of it this way: the base system toolchain is *based on* some >> released version of LLVM (or GCC) as of a particular revision of >> base/. "Based on" means that components that are not critical to >> the actual functioning of the toolchain or otherwise useful to >> FreeBSD itself are bound to be stripped away when included and >> integrated in the base system. > > That may be the path of wisdom; and I understand keeping things > working is a non-trivial job, for which I thank those who do it. > Please understand my ... frustration ... in having to deal with > the conseqences, particularly with regard to the ongoing drm changes. > To return to my original point, this is why I suggested an entry in > ports/UPDATING - to let others in my position know of possible > impact. If you want to avoid duplication don't build/install base Clang e.g., $ echo 'WITHOUT_TOOLCHAIN=1' >>/etc/src.conf $ make delete-old -C/usr/src $ pkg install llvm80 $ ln -s clang80 /usr/local/bin/cc $ ln -s clang++80 /usr/local/bin/c++ $ ln -s clang-cpp80 /usr/local/bin/cpp
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