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libpthread in glibc (was: Bug#407208: imagemagick: convert hangs on hurd

From: Thomas Schwinge
Subject: libpthread in glibc (was: Bug#407208: imagemagick: convert hangs on hurd-i386)
Date: Sun, 4 Feb 2007 13:38:15 +0100
User-agent: Mutt/1.5.11


On Wed, Jan 31, 2007 at 03:28:26PM +0100, Samuel Thibault wrote:
> Samuel Thibault, le Wed 31 Jan 2007 00:32:17 +0100, a ?crit :
> > Unfortunately this is not enough: oddly enough, libX11's weak definition
> > wins (at least in glibc 2.3.6 and 2.5.0, but not in glibc 2.2.5)...  I
> > fail to see how weak definitions may be useful if strong definitions
> > can't compete. I submitted a bug report to glibc's bugzilla.
> Answer from Drepper: this "feature" was fixed (understand: removed) in
> glibc 2.3, not only because it is bit more conforming, but also because
> it was needed for some other stuff.
> As a result, our only solution is to at last implement stubs in libc for
> pthread_mutex_lock & co.

How much work would be needed to plug the libpthread into glibc?  Is only
build system work needed and having the initialization code called at the
right places or are there more subtle problems to be expected?


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