Dynamically linking multiple copies

Chris Faylor cgf@cygnus.com
Tue Aug 31 23:49:00 GMT 1999

On Mon, Aug 23, 1999 at 02:37:08PM -0700, James Stern wrote:
>I was about to write the above-mentioned gawk program myself when I hit
>another roadblock.  How do I tell the difference between an undefined
>function and an undefined extern variable?  'nm' marks them both 'U'.
>I need to distinguish one from the other to write that gawk script.

Hmm.  That's a good question.  objdump will also display this
information, in a much different format, but it doesn't look like it
offers this kind of info either.

Maybe you need to do a two pass operation, looking for all of the
exported symbols first, and then using that information to either
prodice a def file or add declspec(dllimport) to the appropriate


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