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Date: Wed, 10 Apr 2013 20:01:57 +0400
From: Lev Serebryakov <lev@FreeBSD.org>
Organization: FreeBSD
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To: Brooks Davis <brooks@FreeBSD.org>
Subject: Re: building world and kernel without ebuilding ("bootstrap"?) clang?
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Cc: deeptech71 <deeptech71@gmail.com>, freebsd-hackers@FreeBSD.org
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Hello, Brooks.
You wrote 10 =D0=B0=D0=BF=D1=80=D0=B5=D0=BB=D1=8F 2013 =D0=B3., 18:50:04:

BD> The key is to pass the --sysroot option to the compiler.  I've got a not
BD> quite finished (mostly due to a complete lack of documentation) set of
BD> patches to Makefile.inc1 to do this:

BD> http://people.freebsd.org/~brooks/patches/xcc3.diff

BD> If you set XCC=3D/path/to/clang XCXX=3D/path/to/clang++ XCPP=3Dclang-cp=
p then
BD> when building world and kernel you will use those compilers and not
BD> build a cross compiler.  In that mode you will still build and use a
BD> cross binutils
  BTW, building binutils is required by `install -s' :)

--=20
// Black Lion AKA Lev Serebryakov <lev@FreeBSD.org>