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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - extract_symbols.py uses wrong encoding for dumpbin"
href="https://bugs.llvm.org/show_bug.cgi?id=47258">47258</a>
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<th>Summary</th>
<td>extract_symbols.py uses wrong encoding for dumpbin
</td>
</tr>
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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>Windows NT
</td>
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<th>Status</th>
<td>NEW
</td>
</tr>
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<th>Severity</th>
<td>enhancement
</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
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</tr>
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<th>Reporter</th>
<td>dmajor@mozilla.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr></table>
<p>
<div>
<pre>When running extract_symbols.py with Python 3, we often see errors such as
`UnicodeDecodeError: 'charmap' codec can't decode byte 0x81 in position 4045:
character maps to <undefined>`.
This can be fixed for Python 3 by adding `encoding='mbcs'` to
<a href="https://github.com/llvm/llvm-project/blob/b74b80bb2d31dfb09559fcb71a1c474a421c633d/llvm/utils/extract_symbols.py#L35">https://github.com/llvm/llvm-project/blob/b74b80bb2d31dfb09559fcb71a1c474a421c633d/llvm/utils/extract_symbols.py#L35</a>
(only for this one call; the other Popens in the file are fine as is) however
I'm told this breaks Python 2.7 which is still supported for LLVM. Would need
either a more universal fix or a version check.</pre>
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</p>
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