No shared libpthread or libdl on x86_64?

[Bill Nottingham]

Rex Dieter (rdieter at math.unl.edu) said: 
> Per
> http://bugzilla.redhat.com/bugzilla/166344
> it appears that there is no shared libpthread or libdl on x86_64.  The 
> lack of these shared libraries is causing applications linking against 
> libgc to fail with undefined symbols.
> 
> Can anyone confirm this (I don't have access to any x86_64 box)?  Is 
> this on purpose or a (glibc) bug?

libpthread/libdl are shared on x86_64, much like they are on any other
platform. I'd guess the build script/libtool are looking in the
wrong place.

Bill