@property without @synthesize and variable declaration

[Charalampos Chrysovalantis Emmanouilidis]

Is it possible to let properties be synthesized automatically, just like Xcode does since 4.4?

I want to port the ObjectiveC Framework Objective-Git (wrapper of libgit2) to build and run with GNUstep.

https://github.com/libgit2/objective-git

Objective-Git makes heavy use of automatically synthesized properties. There is no @synthesize and no variable declaration in Objective-Git.