[Adium-devl] libglib.framework

[Elliott Harris]

Hiya,

I doubt you'll find anything specifically for Linux->OS X, but Apple  
does offer some documentation for UNIX developers here:

http://developer.apple.com/documentation/Porting/Conceptual/PortingUnix/intro/chapter_1_section_1.html

libglib.framework is actually generated by a tool written by Augie,  
one of our developers, with some small help from myself. It leverages  
rtool to create frameworks out of every Linux-styled dependency we  
need automatically.  The entire thing is python script that checkouts  
the version we need (from a file listing the location of the version  
on the web), untars/rars/gzips it, and uses the native build process  
(make, etc.) to create a native installation, then we use rtool to  
relocate that installation into a framework. It certainly isn't very  
pretty or mac-like at all, but the end result is wonderful.  
Unfortunately, not everything works perfectly. We've run into  
situations where we've had to patch things for them to work correctly,  
and even situations where we've had to get really hacky to get  
universal binaries to work correctly.

If you want to know more about the process you can checkout Adium 1.2  
from svn. Inside, you'll find the entire project, but the ./Utilities/ 
dep-build-scripts/ folder would be worth looking at. You can then use  
these as a stepping point to building your own libraries. One tricky  
thing about this entire process is how dependencies work. Since we are  
rewriting the headers for the installed library, we also have to  
rewrite the location of the dependencies. In this case, that means all  
the dependencies must be turned into frameworks (frameworkized as we  
say) and referenced correctly. This should all be handled by our  
scripts, but it's important to keep in mind going forward. This means  
that not only do you need libglib, but also all of its dependencies  
frameworkized.

As far as GPL goes, I'm pretty sure if you are GPL it's completely  
kosher, but then again I'm no license buff, and someone else can field  
that question.

Good luck!

Cheers,
Elliott

On Jan 1, 2008, at 4:01 PM, Devraj Mukherjee wrote:

> Hi everyone,
>
> I have been trying to port some software to OS X, they were originally
> written for Linux and depend on glib. I noticed that Adium does it in
> a really neat way and provides libglib.framework (I am assuming to end
> up using things like libpurple) and everything then compiles as a
> project in XCode.
>
> Can anyone please point me to some doco that talks about porting
> applications properly from the Linux world to OSX? Also assuming that
> our code will be released under the GPL as well are we able to use the
> libglib.framework provided by Adium?
>
> Thanks a lot.
>
> -- 
> "I never look back darling, it distracts from the now", Edna Mode (The
> Incredibles)
>
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> Adium-devl at adiumx.com
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