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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - configure complains that cxxabi.h is present but cannot be compiled"
href="http://llvm.org/bugs/show_bug.cgi?id=15877">15877</a>
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<th>Summary</th>
<td>configure complains that cxxabi.h is present but cannot be compiled
</td>
</tr>
<tr>
<th>Product</th>
<td>Build scripts
</td>
</tr>
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<th>Version</th>
<td>trunk
</td>
</tr>
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<th>Hardware</th>
<td>Macintosh
</td>
</tr>
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<th>OS</th>
<td>MacOS X
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>normal
</td>
</tr>
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<th>Priority</th>
<td>P
</td>
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<th>Component</th>
<td>autoconf
</td>
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
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<th>Reporter</th>
<td>bugzilla@jwwalker.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvmbugs@cs.uiuc.edu
</td>
</tr>
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<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>I was in a build directory that's a sibling of the llvm repository directory,
and typed
../llvm/configure --prefix=/opt --enable-optimized
Among lots of output was this:
checking cxxabi.h usability... no
checking cxxabi.h presence... yes
configure: WARNING: cxxabi.h: present but cannot be compiled
configure: WARNING: cxxabi.h: check for missing prerequisite headers?
configure: WARNING: cxxabi.h: see the Autoconf documentation
configure: WARNING: cxxabi.h: section "Present But Cannot Be Compiled"
configure: WARNING: cxxabi.h: proceeding with the preprocessor's result
configure: WARNING: cxxabi.h: in the future, the compiler will take precedence
configure: WARNING: ## ------------------------------------ ##
configure: WARNING: ## Report this to <a href="http://llvm.org/bugs/">http://llvm.org/bugs/</a> ##
configure: WARNING: ## ------------------------------------ ##
checking for cxxabi.h... yes
I don't know what it's about, but it says to report it.
llvm svn revision 180835. Mac OS X 10.7.5. Xcode 4.6.2.</pre>
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