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Date:      Tue, 30 Aug 2016 21:08:41 +0000
From:      Brooks Davis <brooks@freebsd.org>
To:        Matthew Macy <mmacy@nextbsd.org>
Cc:        "freebsd-current@freebsd.org" <freebsd-current@freebsd.org>
Subject:   Re: External toolchain support broken for devel/llvm38 but not devel/llvm37
Message-ID:  <20160830210841.GA25000@spindle.one-eyed-alien.net>
In-Reply-To: <156d96ebba6.d2524daa80643.7192912559150916238@nextbsd.org>
References:  <156d96ebba6.d2524daa80643.7192912559150916238@nextbsd.org>

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On Mon, Aug 29, 2016 at 08:12:08PM -0700, Matthew Macy wrote:
> It looks like there is something broken with the devel/llvm38 port or ext=
ernal toolchain support has regressed:
>=20
>=20
> This works:
> make  XCC=3D/usr/local/bin/clang37 XCXX=3D/usr/local/bin/clang++37 XCPP=
=3D/usr/local/bin/clang-cpp37  buildworld -j12 -s
>=20
> This fails:
>  make  XCC=3D/usr/local/bin/clang38 XCXX=3D/usr/local/bin/clang++38 XCPP=
=3D/usr/local/bin/clang-cpp38 buildworld -j12 -s
>=20
> with:
>=20
> /home/mmacy/devel/build/mnt/storage/mmacy/devel/drm-next-merge/tmp/usr/bi=
n/ld: /usr/local/llvm38/bin/../lib/clang/3.8.1/lib/freebsd/libclang_rt.ubsa=
n_standalone-x86_64.a: No such file: No such file or directory
> clang-3.8: error: linker command failed with exit code 1 (use -v to see i=
nvocation)

I've fixed the install problem.  I'm rather confused about why clang
would try to link with sanitizer libraries when building source.  That's
certainly not default behavior.

-- Brooks

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