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Re: dlopen issues


Make sure that libsane.so is available to Trydll.out during run-time. 
Does your LD_LIBRARY_PATH have the location of libsane.so?

On 6/8/05, Mohit Kumar <mohit.kumar@gmail.com> wrote:
> Hi All,
> 
> I am not aware if this is the correct mailing list to put this
> question at, but guess it could be a starting point. If you feel there
> is a relevant mailing list for this question, I request you to forward
> it to the proper mailing list.
> 
> I have a self made shared library libXYZ.so which inturn has
> references to libsane.so.
> 
> I need to dlopen into libXYZ.so. To resolve dependency on libsane.so,
> my program say Trydll.out is bult with -lsane option (for libsane.so).
> However I get an unresolved symbol for all variable of types defined
> in libsane.so.
> 
> To be exact,
> 
> libXYZ.so has declarations like:
> class CSane
> {
>      public:
>        static SANE_Handle handle; //SANE_Handle is got from libsane.so
> }
> 
> in Trydll.cpp i have written
> 
> int main(void)
> {
>       void * lib_handle = ("path of libXYZ.so",RTLD_LAZY);
> }
> 
> This returns me null saying undefined symbol to CSane::handle.
> 
> What am I doing wrong here? Any  help would be higle appreciable.
> 
> Thanks,
> Mohit
>


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