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Date: Sun, 26 Jun 2011 20:55:43 +0200
From: Dimitry Andric <dim@FreeBSD.org>
Organization: The FreeBSD Project
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To: Chris Rees <crees@freebsd.org>
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Cc: current@freebsd.org
Subject: Re: Build failure during 9-CURRENT make world
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On 2011-06-26 20:43, Chris Rees wrote:
...
> cd /usr/cursrc/src
> make KERNCONF=CERBERUS DESTDIR=/mnt world kernel
...
> /usr/obj/cursrc/src/usr.bin/clang/clang/../../../lib/clang/libllvmcodegen/libllvmcodegen.a:
> could not read symbols: File format not recognized
...
> Any ideas please???

The file /usr/obj/cursrc/src/lib/clang/libllvmcodegen/libllvmcodegen.a
is busted, for some reason.  My guess would be that you built it for a
different architecture.  You can try removing it, and building again, or
if you want to use brute force, zap your entire /usr/obj and rebuild.