Hi Mattijs, If I'm not wrong it's in ParaView3/VTK/Utilities/kwsys/DynamicLoader.cxx.
Takuya OSHIMA, Ph.D. Faculty of Engineering, Niigata University 8050 Ikarashi-Ninocho, Nishi-ku, Niigata, 950-2181, JAPAN From: Mattijs Janssens <[EMAIL PROTECTED]> Subject: Re: [Paraview] dlopen question Date: Mon, 29 Sep 2008 10:41:18 +0100 > Thanks Takuya, > > the thing I picked up from that discussion is to use RTLD_GLOBAL. Do you know > which routine is doing the dlopen inside Paraview - would like to trace what > is happening. > > Regards, > > Mattijs > > On Wednesday 24 September 2008 04:36, Takuya OSHIMA wrote: > > Hi Mattijs, > > > > Not sure if this helps, but interestingly a VisIt guy had a very > > similar problem around a week ago. You can follow the discussion by > > searching for "help with dlopen" in > > https://email.ornl.gov/pipermail/visit-developers/2008-September/thread.htm > >l . > > > > The caveat is that he says RTLD_LAZY|RTLD_GLOBAL solved the problem > > while apparently not in this case... > > > > Takuya OSHIMA, Ph.D. > > Faculty of Engineering, Niigata University > > 8050 Ikarashi-Ninocho, Nishi-ku, Niigata, 950-2181, JAPAN > > > > > > From: Mattijs Janssens <[EMAIL PROTECTED]> > > Subject: [Paraview] dlopen question > > Date: Mon, 22 Sep 2008 10:22:49 +0100 > > > > > In our code we use dlopen with RTLD_LAZY|RTLD_GLOBAL to optionally load > > > additional libraries. > > > > > > We noticed that this gives problems in the paraview reader. The same code > > > which happily loads when running from the command line now gives > > > undefined symbols when used through the reader. > > > > > > E.g. the additional library libAdditional uses a symbol aaa from library > > > libmain which is already a dependency of my application. (so 'ldd > > > application' shows up libmain). My application does a dlopen of > > > libAdditional and it all works fine. > > > > > > Now when invoked in a reader (the reader itself I assume is loaded using > > > dlopen into Paraview?) the dlopen of libAdditional complains about > > > unresolved symbol aaa. Funnily enough it works if we first do a dlopen of > > > libmain and then of libAdditional. > > > > > > Is this related to the flags passed into dlopen? To complicate the > > > matter, from what we heard, the problem does not appear on OSX. > > > > > > Regards, > > > > > > Mattijs > > > > _______________________________________________ > ParaView mailing list > [email protected] > http://www.paraview.org/mailman/listinfo/paraview _______________________________________________ ParaView mailing list [email protected] http://www.paraview.org/mailman/listinfo/paraview
