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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Definition __ZTSPKDu in itanium-base.exp is used for -export_symbol but is really undefined"
href="https://bugs.llvm.org/show_bug.cgi?id=43749">43749</a>
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<th>Summary</th>
<td>Definition __ZTSPKDu in itanium-base.exp is used for -export_symbol but is really undefined
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<th>Product</th>
<td>libc++abi
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<th>Version</th>
<td>9.0
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<th>Hardware</th>
<td>PC
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<th>OS</th>
<td>MacOS X
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<th>Status</th>
<td>NEW
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<th>Severity</th>
<td>normal
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<th>Priority</th>
<td>P
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<th>Component</th>
<td>All Bugs
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
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<th>Reporter</th>
<td>nat-llvmbugs@mulle-kybernetik.com
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<th>CC</th>
<td>llvm-bugs@lists.llvm.org, mclow.lists@gmail.com
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<p>
<div>
<pre>This happens when building on MacOS 10.13. I suppose some parts of the code
gets #ifdef-ed out, but the symbollist isn't, that is passed to the linker.
This list is in `lib/itanium-base.exp` and used as input for
`-exported_symbols_list`.
Now Apple's linker decided in its wisdom, that missing actual symbols are an
error (and not a warning, what would be sane) and the build aborts.
All affected symbols are of the form _Z.*du. If I remove them before building
things work out OK.</pre>
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