From owner-freebsd-arch@FreeBSD.ORG  Mon Oct 24 23:41:38 2005
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Date: Tue, 25 Oct 2005 07:41:45 +0800
From: David Xu <davidxu@freebsd.org>
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Subject: libc_r is deprecated
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Folks,

For years development, we now have libpthread and libthr,
libc_r does not support SMP or multi-core processor, also it has
many bugs (still in our bug database), also threads@ developers
seems not have interest to maintain it, it is doomed, so I would
like to disconnect it from buildworld, and sometimes later, I would
like to remove it.

David Xu