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| 1 | +GNUstep Objective-C Runtime 1.6.1 |
| 2 | +================================= |
| 3 | + |
| 4 | +This is a point release to the seventh official release of the GNUstep |
| 5 | +Objective-C runtime (a.k.a. libobjc2). This runtime was designed to support |
| 6 | +the features of Objective-C 2 for use with GNUstep and other Objective-C |
| 7 | +programs. Highlights of this release include: |
| 8 | + |
| 9 | +- Improved support for ARC autorelease pools. |
| 10 | + |
| 11 | +- Some small bug fixes in blocks support. |
| 12 | + |
| 13 | +- Improvements to the Objective-C++ unified exception model support. |
| 14 | + |
| 15 | +- Updated optimisation passes to work with LLVM 3.1 |
| 16 | + |
| 17 | +You may obtain the code for this release from subversion at the following |
| 18 | +subversion branch: |
| 19 | + |
| 20 | +svn://svn.gna.org/svn/gnustep/libs/libobjc2/1.6.1 |
| 21 | + |
| 22 | +Alternatively, a tarball is available from: |
| 23 | + |
| 24 | +http://download.gna.org/gnustep/libobjc2-1.6.1.tar.bz2 |
| 25 | + |
| 26 | +The runtime library is responsible for implementing the core features of the |
| 27 | +object model, as well as exposing introspection features to the user. The |
| 28 | +GNUstep runtime implements Apple's Objective-C Runtime APIs, and a small number |
| 29 | +of GCC APIs for legacy compatibility. |
| 30 | + |
| 31 | +This library is based on the Étoilé Objective-C Runtime, an earlier research |
| 32 | +prototype, and includes support for non-fragile instance variables, |
| 33 | +type-dependent dispatch, and object planes. It is fully backwards compatible |
| 34 | +with the FSF's GCC 4.2.1 Objective-C ABI and also implements a new ABI that is |
| 35 | +supported by Clang and Étoilé's LanguageKit and is required for some of the |
| 36 | +newer features. |
| 37 | + |
| 38 | +Although the runtime has been tested by several people, and is being used |
| 39 | +extensively by the Étoilé project, it is relatively new code and may still |
| 40 | +contain bugs. If you come across any problems, please report them to the |
| 41 | +GNUstep Developer mailing list < [email protected]>. |
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