Re: A glibc dynamic linker or gld bug?

[Ian Lance Taylor <ian@zembu.com>]

   Date: Wed, 7 Jul 1999 07:57:50 -0700 (PDT)
   From: hjl@lucon.org (H.J. Lu)

   >    By "problem", I mean the same symbol will have different values in
   >    executable and DSO. When you update one of them, you won't see the
   >    change in the other. If you relink executable against the new DSO,
   >    the symbol in executable will override the one in DSO.
   > 
   > I guess I don't understand.  The DSO should have relocations for all
   > uses of the symbol, so it will wind up seeing the definition in the
   > executable.  At runtime the symbol will not have different values.
   > This is an ordinary case in which the executable overrides the DSO.

   Here is the testcase.

I see what you mean.  You're right, to make this work you need to use
the --export-dynamic option when you link the executable.  That is the
default on Solaris, perhaps for this very reason.  What a pain.

Ian