Re: [Planner Dev] Porting to Windows

[Richard Hult <richard imendio com>]

On mån, 2004-07-26 at 19:55 +0300, Jani tiainen wrote:
> Well I've studied possibility to port Planner 0.12 to Windows platform 
> by using Cygwin + Cygnome2.
> 
> It could be possible, but there is serious backlinking issues that makes 
>   lot of trouble.
> 
> Let me explain this particular problem:
> 
> Planner has plugins that are (dynamically) loaded to Planner in runtime. 
> Plugins have some calls to functions that reside inside main executable.
> 
> In Linux this works okay, since Linux library loaders does 
> symbolresolving in runtime, but in Windows world symbols must be solved 
> at linking time.
> 
> This can be solved in Windows, but there is no support from libtool - 
> you have to compile, link and generate all necessary files by hand.
> 
> In most cases it's enough to move those calls to external shared library 
> that can be linked in those plugins. Since in my experience there is 
> only handful of those calls (following I have encountered so far. I 
> remember that there is two more...):
> 
> planner_plugin_get_type
> planner_window_get_project
> planner_window_get_ui_container
>
> So if these functions could be moved to external shared library, it 
> would make porting much much easier...

Well, splitting out just a few functions feels like a hack to me :) We
could make a small lib consisting of planner-window, planner-plugin, and
planner-view. If there is no other way to solve the problem, we should
probably go that way.

Thanks a lot for looking into this.

/Richard

-- 
Imendio HB, http://www.imendio.com/