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[Bug dynamic-link/21041] Fix for bug 20019 causes linker errors for shared libraries using longjmp

Florian Weimer <fweimer at redhat dot com> changed:

           What    |Removed                     |Added
             Status|UNCONFIRMED                 |RESOLVED
                 CC|                            |fweimer at redhat dot com
           See Also|                            |
                   |                            |illa/show_bug.cgi?id=20489
         Resolution|---                         |INVALID
              Flags|                            |security-

--- Comment #1 from Florian Weimer <fweimer at redhat dot com> ---
The bug is here:

$ -shared  -z now -o bar.o

You must link against the relevant glibc DSOs if you use symbols from glibc,
otherwise the resulting shared object is undefined.

If you don't do that, your DSO will not be future-proof, and you can run into
issues like bug 20489 after a glibc upgrade.

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