Tango built as a dynamic library

[Eldar Insafutdinov]

Jacob Carlborg Wrote:

> I've managed to build Tango as a dynamic library with DMD on Mac OS X. I 
> had some problems first but I managed to solve them and everything seems 
> to work now.
> 
> What I had to do to build it as a dynamic library was:
> 
> Resolve the undefined symbol _Dmain.
> 
> Remove the globals _deh_beg and _deh_end in the deh module and 
> _minfo_beg and _minfo_end in the object module. The beg and end 
> variables are for determine the beginning and the end of special 
> sections in the binaries but they're not put into the dynamic library 
> and therefore cause linker errors (undefined symbol).
> 
> Get the module infos from the loaded executable and all the loaded 
> dynamic libraries and collect them into one array (in the object module) 
> in the order they are loaded (the data from executable should be last in 
> the array).
> 
> Get all the exception handler tables from the loaded executable and all 
> the loaded dynamic libraries and collect them into one array (in the deh 
> module) in the order they are loaded (the data from executable should be 
> last in the array).
> 
> Now when I thing about it what happens when a dynamic library built with 
> GDC or LDC is linked with an executable built with DMD? I'm searing for 
> specific segments and sections in the binaries that at least DMD puts there.
> 
> The next step is to clean up the code, create a patch, add support for 
> 64bit binaries and perhaps universal binaries (if that is needed). Then 
> I'll do the same for Phobos 1 and 2.
> 
> 
> /Jacob Carlborg

Thank you very much! I suppose there should not be a major problem to make it working on Linux as well?