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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
parent 30bbc93088
commit 65451f1549
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@ -121,11 +121,6 @@
support is as well. The only major missing piece of C++'0x support is support is as well. The only major missing piece of C++'0x support is
<code>&lt;atomic&gt;</code>.</p> <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 <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 is passing tests and what isn't. This chart is currently based on testing
against g++-4.4.0 with -std=c++0x. </p> against g++-4.4.0 with -std=c++0x. </p>
@ -138,8 +133,42 @@
<ul> <ul>
<li><code>svn co http://llvm.org/svn/llvm-project/libcxx/trunk libcxx</code></li> <li><code>svn co http://llvm.org/svn/llvm-project/libcxx/trunk libcxx</code></li>
<li><code>cd libcxx/lib</code></li> </ul>
<li><code>./buildit</code></li>
<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> </ul>
<p>To run the libc++ test suit (recommended):</p> <p>To run the libc++ test suit (recommended):</p>