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| Building the LLVM C/C++ Front-End |
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| |
| <ol> |
| <li><a href="#instructions">Building llvm-gcc 4 from Source</a></li> |
| <li><a href="#license">License Information</a></li> |
| </ol> |
| |
| <div class="doc_author"> |
| <p>Written by the LLVM Team</p> |
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| <div class="doc_section"> |
| <a name="instructions">Building llvm-gcc 4 from Source</a> |
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| |
| <p>This section describes how to aquire and build llvm-gcc4, which is based on |
| the GCC 4.0.1 front-end. This front-end supports C, C++, Objective-C, and |
| Objective-C++. Note that the instructions for building this front-end are |
| completely different (and much easier!) than those for building llvm-gcc3 in |
| the past.</p> |
| |
| <ol> |
| <li><p>Retrieve the appropriate llvm-gcc4-x.y.source.tar.gz archive from the |
| <a href="http://llvm.org/releases/">llvm web site</a>.</p> |
| |
| <p>It is also possible to download the sources of the llvm-gcc4 front end |
| from a read-only mirror using subversion. To check out the code the |
| first time use:</p> |
| |
| <div class="doc_code"> |
| <pre> |
| svn co svn://anonsvn.opensource.apple.com/svn/llvm/trunk <i>dst-directory</i> |
| </pre> |
| </div> |
| |
| <p>After that, the code can be be updated in the destination directory |
| using:</p> |
| |
| <div class="doc_code"> |
| <pre>svn update</pre> |
| </div> |
| |
| <p>The mirror is brought up to date every evening.</p></li> |
| |
| <li>Follow the directions in the top-level <tt>README.LLVM</tt> file for |
| up-to-date instructions on how to build llvm-gcc4.</li> |
| </ol> |
| |
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| <a name="license">License Information</a> |
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| |
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| <p> |
| The LLVM GCC frontend is licensed to you under the GNU General Public License |
| and the GNU Lesser General Public License. Please see the files COPYING and |
| COPYING.LIB for more details. |
| </p> |
| |
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| More information is <a href="FAQ.html#license">available in the FAQ</a>. |
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