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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - libclc build error with current llvm/clang"
href="https://llvm.org/bugs/show_bug.cgi?id=28522">28522</a>
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<th>Summary</th>
<td>libclc build error with current llvm/clang
</td>
</tr>
<tr>
<th>Product</th>
<td>new-bugs
</td>
</tr>
<tr>
<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>Linux
</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>new bugs
</td>
</tr>
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>adf.lists@gmail.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr>
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<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>Not sure where to file this or when it started (I haven't rebuilt libclc for
some time).
Trying to build current git libclc against git llvm, clang gives -
andy [libclc]$ ./configure.py --prefix=/usr
andy [libclc]$ make
LLVM-AS generic--/lib/subnormal_disable.bc
LLVM-AS generic--/lib/subnormal_use_default.bc
LLVM-CC nvptx--nvidiacl/lib/synchronization/barrier.cl.bc
./ptx-nvidiacl/lib/synchronization/barrier.cl:5:5: error: use of unknown
builtin '__builtin_ptx_bar_sync' [-Wimplicit-function-declaration]
__builtin_ptx_bar_sync(0);
^
1 error generated.
Makefile:29: recipe for target
'nvptx--nvidiacl/lib/synchronization/barrier.cl.bc' failed
make: *** [nvptx--nvidiacl/lib/synchronization/barrier.cl.bc] Error 1</pre>
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