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Date: Tue, 27 Dec 2011 02:58:17 +0100
From: Dimitry Andric <dim@FreeBSD.org>
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To: Volodymyr Kostyrko <c.kworr@gmail.com>
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Cc: Sergey Kandaurov <pluknet@gmail.com>, freebsd-stable@freebsd.org
Subject: Re: minor regression after patching
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On 2011-12-26 22:07, Volodymyr Kostyrko wrote:
> 26.12.2011 17:57, Sergey Kandaurov wrote:
...
>>> ftpd.o: In function `pass':
>>> /usr/src/libexec/ftpd/ftpd.c:(.text+0x2676): undefined reference to
>>> `__FreeBSD_libc_enter_restricted_mode'
>>> clang: error: linker command failed with exit code 1 (use -v to see
>>> invocation)
>>> *** Error code 1
>>
>> This means that linker has not found a mentioned symbol, i.e. likely
>> you haven't updated your libc before trying to build ftpd.
>> In this case you need to act the next order:
>> 1) rebuild&&   reinstall libc
>> 2) rebuild&&   reinstall ftpd
>
> Oh yes, I just remembered those sweet days I was sitting on HEAD. Each
> build was a trial/error process.
>
> And I'm not seeing this when compiling world with stock gcc or on i386.
> It looks like rather nasty clang regression.

For me, stable/9 builds just fine with clang (or gcc), and the tinderbox
isn't complaining either.  Are you sure you are running buildworld,
which is definitely necessary for this kind of upgrade?