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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Please implement the option -u"
href="http://llvm.org/bugs/show_bug.cgi?id=18250">18250</a>
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<th>Summary</th>
<td>Please implement the option -u
</td>
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<th>Product</th>
<td>clang
</td>
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<th>Version</th>
<td>trunk
</td>
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<th>Hardware</th>
<td>PC
</td>
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<th>OS</th>
<td>All
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>enhancement
</td>
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<th>Priority</th>
<td>P
</td>
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<th>Component</th>
<td>Driver
</td>
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
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<th>Reporter</th>
<td>sylvestre@debian.org
</td>
</tr>
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<th>CC</th>
<td>llvmbugs@cs.uiuc.edu
</td>
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<th>Classification</th>
<td>Unclassified
</td>
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<p>
<div>
<pre>The option '-u' exists in gcc and is not implemented in clang.
Here is the information about it:
-u symbol
Pretend the symbol symbol is undefined, to force linking of library modules
to define it. You can use -u multiple times with different symbols to force
loading of additional library modules.
In the effort to rebuild Debian, it causes more than 600 build failure (mostly
haskell packages):
<a href="http://clang.debian.net/status.php?version=3.3&key=UNDEF_REF">http://clang.debian.net/status.php?version=3.3&key=UNDEF_REF</a></pre>
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