Jens, GNUstep is officially developed using GNA's SVN repository. A link to the browseable repository is http://svn.gna.org/viewcvs/gnustep. CoreBase is under libs/corebae/trunk. To checkout the latest version you would use: $ svn co svn://svn.gna.org/svn/gnustep/libs/corebase/trunk corebase
The information from the website is correct, 0.1 is the latest release, but the code has moved on since then. I have personally made hundreds of commits since then. The reason for not using Apple's CF-Lite is historic and technical. First, CoreBase was originally implemented completely on top of Base, making it essentially a C wrapper around Objective-C code. The original goal of the project was to provide the easiest path possible to port WebKit to GNUstep. This is still a major goal for the project, but due to some of the inherit characteristics of CF objects I've decided to implement everything in pure C to reduce overhead and allow more flexibility. Second, CF-Lite only supports a very narrow superset of C. For example, Blocks are required and GCC does not provide it. Additionally, CoreBase needs to be portable to more platforms than CF-Lite. I've tried compiling CF-Lite on a few different platforms (Windows and Linux to be specific) in the past and it was disastrous. Third, Apple license is not compatible with the GPL, and GNUstep being a GNU project, this become a bit of a problem ( https://www.gnu.org/licenses/license-list.html#apsl2). Base and CoreBase share quite a bit of code, as I was the one who wrote some of the ICU dependent portions of Base and later ported it to CoreBase. Lastly, Apple has full control of CF-Lite, making it a huge risk to the GNUstep project and projects dependent on it. Individually, all these "problems" aren't really problems, but together, they make CF-Lite unfeasible, from my point of view, at least. On Wed, Jan 28, 2015 at 5:00 PM, Jens Alfke <[email protected]> wrote: > > On Jan 28, 2015, at 9:19 AM, Stefan Bidigaray <[email protected]> > wrote: > > Hi Jens, > I'm the (somewhat part-time) maintainer of CoreBase, so I can best speak > to it. Your best bet would be to use the current SVN code, as version 0.1 > is sorely outdated. > > > Ah, thanks. I did not know there were more recent changes. The CoreBase > page on gnustep.org only points to the download of 0.1, and the only repo > for CoreBase that shows up in Google searches is one on Github whose last > commit is circa 2012. > > …OK, just figured out that there is one monolithic SVN repo for all of > GNUstep, and am checking it out now. > > BTW, why is this a re-implementation of CF, when Apple's CF is open > source? Couldn't you just use that? > > —Jens > >
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