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Date: Fri, 22 Jun 2012 21:51:42 +0200
From: Dimitry Andric <dim@FreeBSD.org>
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Cc: "freebsd-stable@freebsd.org" <freebsd-stable@freebsd.org>
Subject: Re: 9-STABLE doesn't build with clang/llvm
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On 2012-06-22 13:47, Dr. Baud wrote:
>     Anybody else having trouble building r237440 with clang:
...
> /usr/home/bketchum/kernels/stable-9/lib/libc/../../include/stdlib.h:82:1: error:
> 
>       unknown type name '_Noreturn'
> _Noreturn void   abort(void);
> ^

There seems to be something wrong with your cdefs.h file.  Please check
your copy, which should be in:

/usr/home/bketchum/kernels/stable-9/sys/sys/cdefs.h

Alternatively, try running the failing command line with -save-temps,
and upload the resulting bt_close.i somewhere (or attach it, but
compress it first, please).