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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - LLVM_ENABLE_FFI=ON build fails on reconfigure"
href="http://llvm.org/bugs/show_bug.cgi?id=20408">20408</a>
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<th>Summary</th>
<td>LLVM_ENABLE_FFI=ON build fails on reconfigure
</td>
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<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>PC
</td>
</tr>
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<th>OS</th>
<td>MacOS X
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
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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>cmake
</td>
</tr>
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
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<th>Reporter</th>
<td>josh.klontz@gmail.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvmbugs@cs.uiuc.edu
</td>
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<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>At least on OS X 10.9 with CMake 2.8.12.2:
$ cmake -DLLVM_ENABLE_FFI=ON ..
$ make # build completes without errors
$ cmake -DLLVM_ENABLE_FFI=ON ..
$ make
...
/Users/m29396/likely/llvm/lib/ExecutionEngine/Interpreter/ExternalFunctions.cpp:39:10:
fatal error:
'ffi.h' file not found
#include <ffi.h>
^
1 error generated.
`HAVE_FFI_H` seems to be incorrectly set after rerunning CMake. This is a
possible duplicate of #19528.</pre>
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</p>
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