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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - double -isystem == file not found"
href="https://llvm.org/bugs/show_bug.cgi?id=25164">25164</a>
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</tr>
<tr>
<th>Summary</th>
<td>double -isystem == file not found
</td>
</tr>
<tr>
<th>Product</th>
<td>clang
</td>
</tr>
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<th>Version</th>
<td>3.7
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
<tr>
<th>Component</th>
<td>Static Analyzer
</td>
</tr>
<tr>
<th>Assignee</th>
<td>kremenek@apple.com
</td>
</tr>
<tr>
<th>Reporter</th>
<td>dushistov@gmail.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>Steps to reproduce:
1)Create simple c++ file like this:
$cat /tmp/test.cpp
#include <QtCore/QLatin1String>
2)Let's say you have such file structure:
$ ls /usr/include/qt4/QtCore/QLatin1String
/usr/include/qt4/QtCore/QLatin1String
3)Try to compile it:
clang++ -isystem /usr/include/qt4 -isystem /usr/include/qt4/QtGui -c
/tmp/test.cpp
success
g++ -isystem /usr/include/qt4 -isystem /usr/include/qt4/QtGui -c /tmp/test.cpp
success
/usr/lib/clang-analyzer/scan-build/c++-analyzer -isystem /usr/include/qt4
-isystem /usr/include/qt4/QtGui -c /tmp/test.cpp
/tmp/test.cpp:1:10: fatal error: 'QtCore/QLatin1String' file not found
#include <QtCore/QLatin1String>
but if I remove the second one -isystem:
/usr/lib/clang-analyzer/scan-build/c++-analyzer -isystem /usr/include/qt4 -c
/tmp/test.cpp
all works fine, no "file not found"
Looks like c++-analyzer can not handle multiply -isystem flags, while
clang (3.7) and gcc (5.2) works fine with them.</pre>
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