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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - libc++ fails to build with error: "Random device not implemented for this architecture""
href="https://llvm.org/bugs/show_bug.cgi?id=22907">22907</a>
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<th>Summary</th>
<td>libc++ fails to build with error: "Random device not implemented for this architecture"
</td>
</tr>
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<th>Product</th>
<td>libc++
</td>
</tr>
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<th>Version</th>
<td>unspecified
</td>
</tr>
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<th>Hardware</th>
<td>Macintosh
</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>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
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<th>Component</th>
<td>All Bugs
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>dmarkman@mac.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvmbugs@cs.uiuc.edu, mclow.lists@gmail.com
</td>
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<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>when I'm trying to build latest SVN libc++ I'm getting error:
[ 61%] Building CXX object lib/CMakeFiles/cxx.dir/__/src/random.cpp.o
/Users/dima/Development/C++/clang/libcxx/src/random.cpp:143:2: error: "Random
device not implemented for this
architecture"
#error "Random device not implemented for this architecture"
^
1 error generated.
make[2]: *** [lib/CMakeFiles/cxx.dir/__/src/random.cpp.o] Error 1
make[1]: *** [lib/CMakeFiles/cxx.dir/all] Error 2
make: *** [all] Error 2
if I add few lines at the beginning of the file random.cpp
#ifndef _LIBCPP_USING_DEV_RANDOM
#define _LIBCPP_USING_DEV_RANDOM
#endif
everything was fine
Note: llvm 3.6 doesn't have that problem, only source from trunk</pre>
</div>
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