svn commit: r219139 - head/lib/libc/stdlib

Jung-uk Kim jkim at FreeBSD.org
Tue Mar 1 19:01:47 UTC 2011


On Tuesday 01 March 2011 12:15 pm, Dimitry Andric wrote:
> Author: dim
> Date: Tue Mar  1 17:15:44 2011
> New Revision: 219139
> URL: http://svn.freebsd.org/changeset/base/219139
>
> Log:
>   Put in a temporary workaround for ctfmerge hanging on processing
>   kernel.debug (or possibly other files), when WITH_CTF is active.
>
>   This is caused by a bug in clang's integrated assembler, causing
> malloc to sometimes hang during initialization in statically linked
> executables that use threading, such as the copy of ctfmerge that
> is built during the bootstrap stage of buildworld.  The bug has
> been submitted upstream:
>
>     http://llvm.org/bugs/show_bug.cgi?id=9352
>
>   Note that you might have to rebuild and install libc first, to
> get your kernel build to finish, because the ctfmerge binary built
> during bootstrap is linked with your base system's copy of libc.a,
> which might already contain a bad copy of malloc.o.

Is this somehow related?

http://llvm.org/viewvc/llvm-project?view=rev&revision=126720

Please see #6 in the following thread:

http://lists.cs.uiuc.edu/pipermail/cfe-dev/2011-February/013638.html

Jung-uk Kim


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