Date: Wed, 22 Sep 2010 08:42:06 +0200 From: Dimitry Andric <dim@FreeBSD.org> To: freebsd-current@freebsd.org Subject: Clang now builds world and kernel, on i386 and amd64 Message-ID: <4C99A53E.7060707@FreeBSD.org>
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Hi, As of r212979, you should now be able to build world and kernel on i386 and amd64 with clang, without any additional patches! To do so, make sure you have updated your installed world to at least r212904 (which has the most recently imported clang/llvm snapshot), and put the following in /etc/src.conf: .if !defined(CC) || ${CC} == "cc" CC=clang .endif .if !defined(CXX) || ${CXX} == "c++" CXX=clang++ .endif # Don't die on warnings NO_WERROR= WERROR= Both world and kernel can also be installed, and should run properly, but please make sure you have a way to revert if anything unexpected happens. :) Alternatively, just install into a chroot to try it out from there. Some additional information can be found on this wiki page: http://wiki.freebsd.org/BuildingFreeBSDWithClang Thanks to all the people that made this possible, especially Roman Divacky, Ed Schouten, Rui Paulo, and of course the clang/llvm developers.
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