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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - llvm-ar cannot be invoked with dash arguments"
href="http://bugs.llvm.org/show_bug.cgi?id=31973">31973</a>
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<th>Summary</th>
<td>llvm-ar cannot be invoked with dash arguments
</td>
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<th>Product</th>
<td>tools
</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>All
</td>
</tr>
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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>
</tr>
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<th>Component</th>
<td>llvm-ar
</td>
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
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<th>Reporter</th>
<td>ed@80386.nl
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr></table>
<p>
<div>
<pre>Most implementations of ar(1) can be invoked like this:
ar rs bla.a foo.o bar.o
But also like this:
ar -rs bla.a foo.o bar.o
Only the latter is standardised by POSIX.
What's problematic is that our copy of llvm-ar only supports the former. I've
seen various Makefiles break as a result of this. Examples include Google's
LevelDB.</pre>
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