Problems with shared library (-fPIC) and tango

[Marius Muja]

e-t172 wrote:

> 
> You can build a D shared library without including Tango in it (there 
> will be undefined references in the shared library, which will be 
> resolved when Tango is linked with the main executable).
> 
> If you're using GDC, use the -nophoboslib switch when creating your 
> shared library to avoid linking to Tango.


That won't really work for me, my shared library is in fact a matlab MEX 
file, so I'm not creating a main executable in the end, matlab will load 
it when needed.
I'm also building a python binary extension this way, where I have the 
same problems.

> 
> Some problems can occur, though. If you happen to modify your shared 
> library in such a way that the library makes use of a Tango symbol it 
> didn't use before, it won't work unless you relink your executable to 
> include the new symbol. That kind of defeats the whole purpose of having 
> shared libraries. Of course, one could include all Tango symbols in the 
> executable to solve the problem, but then you will end with a huge 
> executable because all Tango will be included in it.