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<base href="http://llvm.org/bugs/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - clang++ 3.5 Uncorrectly set paths searched for includes - bits/c++config.h not found"
href="http://llvm.org/bugs/show_bug.cgi?id=21098">21098</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>clang++ 3.5 Uncorrectly set paths searched for includes - bits/c++config.h not found
</td>
</tr>
<tr>
<th>Product</th>
<td>clang
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</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>Driver
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>arturcz@hell.pl
</td>
</tr>
<tr>
<th>CC</th>
<td>llvmbugs@cs.uiuc.edu
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>Using branch release_35 from llvm and clang on Ubuntu I cannot compile sample
program because of bits/c++config.h file not found.
Procedure to replicate the bug:
svn co <a href="http://llvm.org/svn/llvm-project/llvm/trunk">http://llvm.org/svn/llvm-project/llvm/trunk</a> llvm
cd llvm
svn switch ^/llvm/branches/release_35
cd tools/
svn co <a href="http://llvm.org/svn/llvm-project/cfe/trunk">http://llvm.org/svn/llvm-project/cfe/trunk</a> clang
cd clang
svn switch ^/cfe/branches/release_35
cd ../../../
mkdir build
cd build
../llvm/configure --enable-cxx11 --enable-optimized --enable-assertions
--with-optimize-option=-O2
make -j8
cd ..
echo '#include <string>' > bug.cpp
echo 'int main() { return 0; }' >> bug.cpp
build/Release+Asserts/bin/clang++ bug.cpp
Expected result: program is compiled correctly.
Achieved result:
In file included from bug.cpp:1:
/usr/lib/gcc/x86_64-linux-gnu/4.8/../../../../include/c++/4.8/string:38:10:
fatal error:
'bits/c++config.h' file not found
#include <bits/c++config.h>
^
1 error generated.
Additional information:
arturcz@box:/tmp/clang/llvm$ svn info
Path: .
Working Copy Root Path: /tmp/clang/llvm
URL: <a href="http://llvm.org/svn/llvm-project/llvm/branches/release_35">http://llvm.org/svn/llvm-project/llvm/branches/release_35</a>
Relative URL: ^/llvm/branches/release_35
Repository Root: <a href="http://llvm.org/svn/llvm-project">http://llvm.org/svn/llvm-project</a>
Repository UUID: 91177308-0d34-0410-b5e6-96231b3b80d8
Revision: 218674
Node Kind: directory
Schedule: normal
Last Changed Author: delcypher
Last Changed Rev: 217640
Last Changed Date: 2014-09-12 01:00:09 +0200 (Fri, 12 Sep 2014)
arturcz@box:/tmp/clang/llvm/tools/clang$ svn info
Path: .
Working Copy Root Path: /tmp/clang/llvm/tools/clang
URL: <a href="http://llvm.org/svn/llvm-project/cfe/branches/release_35">http://llvm.org/svn/llvm-project/cfe/branches/release_35</a>
Relative URL: ^/cfe/branches/release_35
Repository Root: <a href="http://llvm.org/svn/llvm-project">http://llvm.org/svn/llvm-project</a>
Repository UUID: 91177308-0d34-0410-b5e6-96231b3b80d8
Revision: 218674
Node Kind: directory
Schedule: normal
Last Changed Author: hans
Last Changed Rev: 218644
Last Changed Date: 2014-09-30 01:33:05 +0200 (Tue, 30 Sep 2014)
arturcz@box:/tmp/clang$ dpkg -l g++-4.8
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
||/ Name Version Architecture
Description
+++-===========================-==================-==================-===========================================================
ii g++-4.8 4.8.2-19ubuntu1 amd64 GNU C++
compiler
arturcz@box:/tmp/clang$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 14.04.1 LTS
Release: 14.04
Codename: trusty
I believe the problem is in the commit r216531 in clang (please note r216572
depends on r216531). After reverting changes made to file
lib/Drivers/ToolChains.{cpp,h} from those commits, the example code can be
compiled successfully.</pre>
</div>
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