[cfe-dev] clang and scan-build help?

[Ted Kremenek]

To analyze your project with scan-build, you also need to run configure through scan-build as well.  See:

http://clang-analyzer.llvm.org/scan-build.html

On Apr 19, 2012, at 10:56 PM, "Plank, Stefan" <stefan.plank at siemens-enterprise.com> wrote:

> Hello,
>  
> I found the hint t email to this email list and hopefully you can help me, because I don't know what is going wrong.
> All seems good but no defekts are found and logged.
> Just trying to use clang as valgrind alternative and scan-build for static code analysis together.
>  
> This I have done:
>  
> I checked out llvm, clang and compiler-rt and updated it with make update.
>  
> Then I did
>         mkdir build
>         (cd build && ../configure --enable-optimized && make -j 10 && make install)
>  
> After this I copied all files from
>         /root/svn/llvm/tools/clang/tools/scan-build
> to
>         /usr/local/bin
> where the installed files from clang are.
>  
> My linux kernel version is 3.3.2.1 und the llvm revision is 154805
>  
> I did a maven profile using clang and scan-build
>  
> But on screen every time this message is logged:
>  
> [exec] -- The C compiler identification is GNU
> [exec] -- The CXX compiler identification is GNU
> [exec] -- Check for working C compiler: /usr/local/bin/clang
> [exec] -- Check for working C compiler: /usr/local/bin/clang -- works
> [exec] -- Detecting C compiler ABI info
> [exec] -- Detecting C compiler ABI info - done
> [exec] -- Check for working CXX compiler: /usr/local/bin/clang++
> [exec] -- Check for working CXX compiler: /usr/local/bin/clang++ -- works
> [exec] -- Detecting CXX compiler ABI info
> [exec] -- Detecting CXX compiler ABI info - done
> [exec] -- Configuring done
> [exec] -- Generating done
> [exec] -- Build files have been written to: /root/svn/ims_main/media_server/src/ims/native/tests/NetSniffer/target/RelWithDebInfo-x86_64
> [exec] scan-build: Emitting reports for this run to '/tmp/scan-build-2012-04-16-1'.
> [exec] Scanning dependencies of target sniffer
> [exec] [ 25%] [ 50%] [ 75%] [100%] Building CXX object CMakeFiles/sniffer.dir/src/Filter.cpp.o
> [exec] Building CXX object CMakeFiles/sniffer.dir/src/Sniffer.cpp.o
> [exec] Building CXX object CMakeFiles/sniffer.dir/src/common.cpp.o
> [exec] Building CXX object CMakeFiles/sniffer.dir/src/main.cpp.o
> [exec] Linking CXX executable sniffer
> [exec] [100%] Built target sniffer
> [exec] scan-build: Removing directory '/tmp/scan-build-2012-04-16-1' because it contains no reports.
>  
> Even if there are placed errors no report is done?
> Can you tell me my mistake and what I have done wrong?
>  
> Mit freundlichen Grüßen / Best regards,
> Stefan Plank
> Entwicklungsingenieur
> 
> Siemens Enterprise Communications GmbH & Co. KG
> Hofmannstr. 51
> 80200 München
> Tel.: +49 89 7007-32410
> Fax: +49 89 7007-31675
> mailto:stefan.plank at siemens-enterprise.com
> 
> Communication for the open minded
> www.siemens-enterprise.de
> 
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