Issues with uClibc dlopen, dlsym on MIPS RouterStation Pro

Mattes, David david.mattes at boeing.com
Fri Nov 12 18:10:47 UTC 2010


Ahh, that helped tremendously.  Thank you.

> -----Original Message-----
> From: Will Newton [mailto:will.newton at gmail.com]
> Sent: Friday, November 12, 2010 9:22 AM
> To: Mattes, David
> Cc: uclibc at uclibc.org
> Subject: Re: Issues with uClibc dlopen, dlsym on MIPS RouterStation Pro
> 
> On Fri, Nov 12, 2010 at 4:51 PM, Mattes, David
> <david.mattes at boeing.com> wrote:
> > I have an application that loads a shared library using dlopen and
> maps functions from the library with dlsym.  Unfortunately dlopen
> always returns "File not found" error and the dlsym calls always return
> NULL.  I know the library is there.  Strace returns nothing useful
> either.
> >
> > I am running OpenWRT backfire 10.03 and have tried with uClibc
> 0.9.30.1 and 0.9.30.3.  Any suggestions on how to hunt this down?
> >
> > Thanks!
> 
> dlopen will return "File not found" if the dynamic object you are
> trying to open has a missing dependency, it's worth running readelf -d
> on teh object you are dlopening to see if there are NEEDED entries and
> if these are satisfied on your system.


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