Re: Linking and loadable bundles

[Richard Frith-Macdonald]

On 2005-04-12 12:52:58 +0100 Andreas Höschler <ahoesch@smartsoft.de> wrote:

> Hello all,
> 
> we have a generic framework for accessing databases. The idea is to put  all 
> the database specific code into a loadable bundle (one for each  database we 
> want to support) and load this on the fly after the user  has chosen what 
> database to use. The loadable bundles link against the  database specific 
> client libraries.
> 
> This works on MacOSX. However, on GNUstep I need to link the database  
> library I want to use into the application (not only into the loadable  
> bundle), otherwise it won't start.
> 
> Error (objc-load):ld.so.1:  /Library/SmartObjects/Applications/TruckService: 
> fatal: relocation  error: file  
> /Library/SmartObjects/Bundles/SOFrontBaseBundle.bundle/./ SOFrontBaseBundle: 
> symbol __objc_class_name_FBDatabaseConnection:  referenced symbol not found
> 
> This is exactly what I do not want and why we invented the genric  framework. 
> How can this be worked around? It seems linking works  different on MacOSX 
> and under GNUstep (Sun Solaris). Any ideas?

Have a look at SQLClient in the gnustep dev-libs area.
It is a generic framework for accessing databases, which keeps the database 
specific code in a loadable bundle which is loaded on the fly ... it works on 
gnu/linux and MacOSX