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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Clang manual should describe the include file search process"
href="http://bugs.llvm.org/show_bug.cgi?id=32742">32742</a>
</td>
</tr>
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<th>Summary</th>
<td>Clang manual should describe the include file search process
</td>
</tr>
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<th>Product</th>
<td>clang
</td>
</tr>
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<th>Version</th>
<td>unspecified
</td>
</tr>
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<th>Hardware</th>
<td>All
</td>
</tr>
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<th>OS</th>
<td>All
</td>
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<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>enhancement
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
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<th>Component</th>
<td>Documentation
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>guy@alum.mit.edu
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr></table>
<p>
<div>
<pre>I'm in the middle of trying to figure out why somebody's Wireshark build on
macOS fails with autotools and succeeds with CMake; it appears that it's not
finding header files in /usr/local/include with the autotools build but finding
them with the CMake build.
The CMake build is building with -isystem /usr/local/include, but the autotools
build isn't - but I can't find anything that would describe why adding it would
make a difference. The Clang manual at
<a href="http://clang.llvm.org/docs/UsersManual.html">http://clang.llvm.org/docs/UsersManual.html</a>
doesn't appear to say very much about it.
The version of Clang they're using is
Apple LLVM version 8.1.0 (clang-802.0.42)
Target: x86_64-apple-darwin16.5.0
Thread model: posix
InstalledDir:
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin
I have the same version on my machine, but my autotools builds work Just Fine,
finding the headers in /usr/local/include.</pre>
</div>
</p>
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