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Updated getting started directions.

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git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@124452 91177308-0d34-0410-b5e6-96231b3b80d8
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Howard Hinnant 2011-01-27 23:18:19 +00:00
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@ -121,11 +121,6 @@
support is as well. The only major missing piece of C++'0x support is
<code>&lt;atomic&gt;</code>.</p>
<p>libc++ is currently dependent upon a separate library for the low-level
ABI compatibility with gcc. As a workaround it can be linked against
gcc's libstdc++, or on Mac OS X
<a href="http://home.roadrunner.com/~hinnant/libcppabi.zip">this library</a>.</p>
<p><a href="libcxx_by_chapter.pdf">Here</a> is a by-chapter breakdown of what
is passing tests and what isn't. This chart is currently based on testing
against g++-4.4.0 with -std=c++0x. </p>
@ -138,8 +133,42 @@
<ul>
<li><code>svn co http://llvm.org/svn/llvm-project/libcxx/trunk libcxx</code></li>
<li><code>cd libcxx/lib</code></li>
<li><code>./buildit</code></li>
</ul>
<p>To build on Mac OS X 10.6, you need a helper library and header
<a href="http://home.roadrunner.com/~hinnant/libcppabi.zip">found here</a>.
cp cxxabi.h to /usr/include, and cp libc++abi.dylib to /usr/lib.
<p>
<p>
Next:
</p>
<ul>
<li><code>cd libcxx/lib</code></li>
<li><code>export TRIPLE=-apple-</code></li>
<li><code>./buildit</code></li>
</ul>
<p>
That should result in a libc++.1.dylib. To install it I like to use links
instead of copying, but either should work:
</p>
<ul>
<li><code>cd /usr/lib</code></li>
<li><code>sudo ln -sf path-to-libcxx/lib/libc++.1.dylib libc++.dylib</code></li>
<li><code>cd /usr/include/c++</code></li>
<li><code>sudo ln -sf path-to-libcxx/include v1</code></li>
</ul>
<p>
To use with clang you can:
</p>
<ul>
<li><code>clang++ -stdlib=libc++ test.cpp</code></li>
<li><code>clang++ -std=c++0x -stdlib=libc++ test.cpp</code></li>
</ul>
<p>To run the libc++ test suit (recommended):</p>