g++ -ldl

[Amit Choudhary]

Hi Sheldon,

If you are using any of the following functions - dlopen(),
dladdr(), dlerror(), dlsym(), or dlclose() then you need to link
with the libdl.so library. Hence, you require the option -ldl.

If you are not using them directly, then probably some other
code  is using them.

-Amit

--- Jeremy Sheldon <jeremy_sheldon@hotmail.com> wrote:

> would someone please point me to the correct place to find
> information on 
> what the -ldl option would do for g++ ?  I've looked at the
> gcc man page and 
> browsed google for a while and can't find much information on
> it.  I have a 
> situation where using it clears up a few "undefined reference
> to `dlopen'" 
> errors and would like to understand why.
> 
> sheldon
> 
> 
> 




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